CN220239768U - Vertical ring beam spinning machine - Google Patents

Abstract

The utility model belongs to the technical field of spinning forming, and particularly relates to a vertical ring beam spinning machine which comprises a stand column, a workbench, a bearing structure, a ring beam and a tool assembly, wherein the bearing structure is arranged on the stand column and provided with a stroke longitudinally moving on the stand column, the ring beam is arranged on the bearing structure, when the bearing structure drives the ring beam to longitudinally move along the stand column, a workpiece fixed on the workbench can pass through the middle of the ring beam, the tool assembly is arranged on the ring beam, at least one tool assembly is arranged, and each tool assembly comprises two spinning working pieces which are symmetrically arranged along the axis of the ring beam and have a stroke radially moving along the ring beam. The strength and rigidity required by the upright post can be greatly reduced, the deformation of the upright post is greatly reduced, the forming precision is improved, the applicable range is wider, and the use flexibility is higher.

Description

Vertical ring beam spinning machine

Technical Field

The utility model belongs to the technical field of spinning forming, and particularly relates to a vertical ring beam spinning machine.

Background

The spinning is a forming process that a flat plate or a hollow workpiece is fixed on a die of a spinning machine, and the workpiece is pressed on the workpiece by spinning workpieces such as a spinning roller or a rod-driving device while the workpiece rotates along with a main shaft of a lathe, so that local plastic deformation is generated. For the work piece with larger diameter, generally, a vertical spinning machine is adopted for processing, a vertical beam with a longitudinal moving stroke is assembled on a stand column (rack) of a traditional vertical spinning machine, two cantilevers with a transverse moving stroke are assembled on the vertical beam, and tool systems such as spinning work pieces and the like are assembled at the lower ends of the two cantilevers. In order to ensure the forming quality, the rigidity of the stand column needs to be ensured to meet the requirement of workpiece machining precision, the larger the diameter of the workpiece is, the larger the rigidity requirement of the stand column is, so that the whole manufacturing cost, the process difficulty, the cost and the weight of the spinning machine are all improved, and the applicable workpiece size range of the spinning machine with single stand column specification is limited due to the limitation of the self rigidity, and the use flexibility is poor.

Disclosure of Invention

The utility model aims to solve the technical problems of providing the vertical annular beam spinning machine which has the advantages of reduced upright column deformation, improved forming precision, lower requirements on the strength and rigidity of the upright column, wide application range and higher use flexibility.

The content of the utility model comprises:

a column;

the workbench is used for placing and fixing the workpiece and can drive the workpiece to rotate;

the bearing structure is arranged on the upright post and provided with a stroke for longitudinally moving on the upright post;

the annular beam is arranged on the bearing structure, and when the bearing structure drives the annular beam to longitudinally move along the upright post, a workpiece fixed on the workbench can pass through the middle of the annular beam;

the tool assembly is arranged on the annular beam, at least one tool assembly is arranged, and each tool assembly comprises two spinning working pieces which are symmetrically arranged along the axis of the annular beam and have a travel along the radial direction of the annular beam.

Further, the upright posts are provided with at least two bearing structures, the bearing structures are sliding blocks, and the sliding blocks are annular and are connected between the at least two upright posts in a sliding manner, or the sliding blocks are provided with at least two upright posts which are connected with the corresponding upright posts in a sliding manner; the ring beam is arranged on the annular sliding blocks or between at least two sliding blocks.

Still further, the bearing structure comprises a movable cross beam in sliding connection with the upright post and two cantilevers arranged on the movable cross beam, and the ring beam is arranged at the lower ends of the two cantilevers.

Still further still include entablature and vertical actuating mechanism, the entablature sets up in the stand upper end, vertical actuating mechanism sets up on entablature and/or the stand for drive bearing structure is along the last longitudinal movement of stand.

Still further still include annular mounting, annular mounting is coaxial setting and be detachable connection with the ring beam, tool assembly passes through annular mounting and sets up on the ring beam, and when bearing structure drove the ring beam and follow stand longitudinal movement, the work piece of fixing on the workstation can follow annular mounting and pass in the middle of.

Still further, a single said tool assembly includes two radial drive mechanisms, each of which is correspondingly coupled to two spinning work pieces for driving radial movement of the two spinning work pieces.

Still further, be provided with the connecting piece on radial actuating mechanism's the output, the one end that the connecting piece deviates from radial actuating mechanism is provided with spherical portion, be provided with the cutting ferrule on the spinning work piece and be connected with spherical portion through the cutting ferrule, just the sphere of spherical portion is contacted with the spinning work piece.

Still further, spinning work piece includes the guide post and sets up the spinning piece body on the guide post, be provided with the guide holder on the annular mounting, radial and the guide holder sliding connection of guide post along the annular mounting, the cutting ferrule sets up on the guide post, the sphere of spherical portion and guide post contact.

Further, the spinning member body is rotatable about a radial direction of the annular mounting member to adjust an angle of the spinning member body.

Still further, spinning work piece still includes the mount pad, the spinning piece body passes through the mount pad setting on the guide post, be provided with the ring channel on the guide post, the retaining member passes the mount pad and locks with the corresponding position in the ring channel to fixed mount pad and guide post.

The utility model has the advantages that by arranging the annular beam assembly tool assembly, the spinning work feeding is realized by utilizing the radial movement of the two symmetrically arranged spinning work pieces in the tool assembly, the spinning acting forces during processing are in pairs, the acting forces are balanced in the annular beam and can be basically considered as the internal forces of the annular beam, the upright post is only used as the support of the bearing mechanism, and basically does not need to bear larger spinning acting forces and only bears asymmetric forces, but the asymmetric forces are much smaller than the spinning acting forces, so that the strength and rigidity required by the upright post can be greatly reduced under the condition that the sizes and the processing requirements of the work pieces are the same, and the manufacturing cost, the process difficulty, the cost and the weight can be reduced. After the spinning acting force is converted into the annular beam internal force, the deformation of the upright post is greatly reduced, most of the deformation is only generated in the annular beam, the problem of insufficient precision caused by the elastic deformation due to insufficient rigidity of the upright post can be avoided, and the displacement precision is greatly improved, so that the forming precision can be remarkably improved, and if a large cylindrical surface is spun, the cylindricity error is greatly reduced.

Because the strength and rigidity requirements of the stand column can be reduced, the spinning machine cost can be inclined towards the ring beam, for example, the ring beam is manufactured by considering high-strength steel after heat treatment, and the strength can be obviously improved. Meanwhile, the height of the stand column can be increased based on the reduction of the strength and rigidity requirements of the stand column, and the movable range of the ring beam on the stand column can be increased, so that the device is suitable for forming of ultra-high cylindrical components or machined parts. And because the stress is small in the column spinning operation, the applicable workpiece diameter range is wider under the condition that the radial travel of the spinning workpiece is sufficient, and the use flexibility can be greatly improved.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic structural view of a first arrangement of the bearing structure according to the present utility model.

Fig. 3 is a schematic structural view of a second arrangement of the bearing structure according to the present utility model.

FIG. 4 is a schematic view of the structure of the spinning work piece of the present utility model.

In the figure: 1. a column; 2. an upper cross beam; 3. a longitudinal driving mechanism; 4. a work table; 41. a clamp; 5. a load bearing structure; 51. a slide block; 52. a movable cross beam; 53. a cantilever; 54. a lateral drive mechanism; 6. a ring beam; 7. an annular mounting member; 71. a guide seat; 8. spinning the workpiece; 81. a guide post; 82. a mounting base; 83. a spinning piece body; 84. a cutting sleeve; 9. a radial drive mechanism; 91. a connecting piece; 10. a base; 100. a workpiece.

Detailed Description

As shown in fig. 1 to 4, the present utility model includes a stand 1, a workbench 4, a bearing structure 5, an annular beam 6 and a tool assembly, where the stand 1 is a longitudinal frame of the spinning machine, the workbench 4 is used for placing a workpiece 100, a fixture 41 is disposed on the workbench 4 to fix the workpiece 100, the workbench 4 is rotatably disposed on a base 10 of the spinning machine, and is driven to rotate by a rotation mechanism disposed on the base 10 to drive the workpiece 100 to rotate, and the specific configuration of the workbench 4 is a prior art and will not be described herein. The carrying structure 5 is arranged on the upright 1 and has a travel which is movable longitudinally on the upright 1, in particular in the height direction of the upright 1, i.e. the carrying structure 5 can be moved up and down in the height direction of the upright 1. As shown in fig. 2, the ring beam 6 is in a ring-shaped structure, the ring beam 6 is arranged on the bearing structure 5 and can move along with the bearing structure 5, the inner diameter of the ring beam 6 is larger than the diameter of the workpiece 100, and when the bearing structure 5 drives the ring beam 6 to longitudinally move along the upright 1, the workpiece 100 fixed on the workbench 4 can pass through the middle of the ring beam 6. The tool assembly is arranged on the ring beam 6, and at least one tool assembly is arranged, and a single tool assembly comprises two spinning work pieces 8, wherein the two spinning work pieces 8 in the single tool assembly are symmetrically arranged along the axis of the ring beam 6 so as to ensure that the spinning forces in operation are in pairs, and the two spinning work pieces 8 have strokes which move along the radial direction of the ring beam 6 so as to carry out spinning feeding.

According to the vertical ring beam spinning machine provided by the utility model, the tool assembly is assembled by arranging the ring beam 6, spinning work feeding is realized by utilizing the two spinning work pieces 8 symmetrically arranged in the tool assembly through radial movement, spinning acting forces during processing are in pairs, acting forces are balanced in the ring beam 6 and can be basically considered as forces in the ring beam 6, the upright post 1 only serves as a support of the bearing mechanism 5, basically does not need to bear larger spinning acting forces and only bears asymmetric forces, and the asymmetric forces are much smaller than the spinning acting forces, so that the strength and rigidity required by the upright post 1 can be greatly reduced under the condition that the size and the processing requirements of the work pieces 100 are the same, and the manufacturing cost, the process difficulty, the cost and the weight can be reduced. After the spinning acting force is converted into the internal force of the ring beam 6, the deformation of the upright post 1 is greatly reduced, most of the deformation is only generated in the ring beam 6, the problem of insufficient precision caused by the elastic deformation due to insufficient rigidity of the upright post 1 can be avoided, and the displacement precision can be greatly improved, so that the forming precision can be remarkably improved, and if a large cylindrical surface is spun, the cylindricity error is greatly reduced.

Since the strength and rigidity requirements of the column 1 can be reduced, the spinning machine cost can be inclined toward the ring beam 6, and for example, the ring beam 6 is manufactured in consideration of high-strength steel (quenched and tempered medium carbon steel, etc.) after heat treatment, and the strength can be remarkably improved. Meanwhile, the height of the upright post 1 can be increased based on the reduction of the strength and rigidity requirements of the upright post 1, and the movable range of the annular beam 6 on the upright post 1 can be increased, so that the annular beam is applicable to the forming of ultra-high cylindrical components or machined parts. And because the stress is small in the spinning operation of the upright post 1, the applicable diameter range of the workpiece 100 is wider under the condition that the radial travel of the spinning workpiece 8 is sufficient, and the use flexibility can be greatly improved.

The number of the columns 1 is at least two, as shown in fig. 1 and 2, and the number of the columns 1 may be two, in other embodiments, other numbers may also be used. In one arrangement of the present utility model, the bearing structure 5 is a slider 51, the slider 51 is annular and is slidably connected between two posts 1, the ring beam 6 is connected to the annular slider 51, or the number of the sliders 51 corresponds to the number of the posts 1, when the number of the posts 1 is two, as shown in fig. 2, the two sliders 51 are slidably connected with the corresponding posts 1, and the ring beam 6 is connected between the plurality of sliders 51.

In another arrangement of the utility model, as shown in fig. 3, the load-bearing structure 5 comprises a movable cross member 52 slidably connected to the upright 1 and two cantilever arms 53 arranged on the movable cross member 52. The ring beam 6 is arranged at the lower ends of two cantilever arms 53. The arrangement mode is a modified design based on a conventional cantilever type spinning machine structure, and after the annular beam 6 structure is additionally arranged, the radial stress of the cantilever 53 is greatly reduced, and the deformation of the upright column 1 is greatly reduced. In the conventional cantilever spinning machine, the two cantilevers 53 are specifically disposed on the movable beam 52 in a manner of sliding transversely, and two transverse driving mechanisms 54 are transversely disposed on the movable beam 52 for driving the two cantilevers 53 to move transversely on the movable beam 52 respectively, wherein the transverse driving mechanisms 54 may be servo hydraulic cylinders or screw nut assemblies driven by servo motors, and the manner of driving the cantilevers 53 to move is the prior art. The lateral position of the cantilever arms 53 can be adjusted by means of a lateral drive mechanism 54 to adapt the distance between the two cantilever arms 53 to the ring beam 6 so that the ring beam 6 can be connected to the bottom of both cantilever arms 53 at the same time.

The utility model further comprises an upper cross beam 2 and a longitudinal driving mechanism 3, wherein the upper cross beam 2 is arranged at the upper end of the upright 1, and the longitudinal driving mechanism 3 is longitudinally arranged on the upper cross beam 2 and/or the upright 1 and is used for driving the bearing structure 5 to longitudinally move along the upright 1. The longitudinal driving mechanism 3 may be a servo hydraulic cylinder or a screw nut assembly driven by a servo motor, and the manner of driving the bearing structure 5 to move up and down is the prior art. Because the column 1 is subjected to small spinning acting force, the upper cross beam 2 only bears the supporting function, and the rigidity and strength requirements can be reduced.

In one embodiment of the present utility model, the tool assembly is directly disposed on the ring beam 6, and the complexity of the installation structure is low, so that the tool assembly is applicable to a situation that the difference between the diameter of the workpiece 100 and the inner diameter of the ring beam 6 is small.

In a preferred embodiment of the present utility model, as shown in fig. 1 and 4, the ring-shaped mounting member 7 is further included, and the ring-shaped mounting member 7 is detachably connected to the ring beam 6, and specifically, may be connected by using bolts or other parts. When the ring-shaped mounting member 7 is connected to the ring beam 6, the ring-shaped mounting member 7 is arranged coaxially with the ring beam 6, the tool assembly is arranged specifically on the ring-shaped mounting member 7, i.e. the tool assembly is arranged on the ring beam 6 via the ring-shaped mounting member 7, and the spinning work member 8 is located in an inner area of the bottom of the ring-shaped mounting member 7, i.e. in the position shown in fig. 1 and 4. When the bearing structure 5 drives the ring beam 6 to longitudinally move along the upright 1, the workpiece 100 fixed on the workbench 4 can pass through the middle of the annular mounting piece 7. In the utility model, the radial travel of the spinning workpiece 8 is driven by the radial driving mechanism 9, when the radial travel of the spinning workpiece 8 is increased, the strength requirement of the output end of the radial driving mechanism 9 is increased, in the embodiment, under the condition of ensuring that the strength of the ring beam 6 is enough, the annular mounting pieces 7 with different inner diameters can be correspondingly matched with the workpieces 100 with different diameters for processing through preassembling, the applicable range is widened, the use flexibility is improved, the radial travel of the spinning workpiece 8 is not required to be increased, and the strength requirement on the radial driving mechanism 9 can be reduced. In the case where the driving mechanism 9 is a servo hydraulic cylinder, the length of the servo hydraulic cylinder can be reduced without increasing the lateral dimension of the spinning machine. And because ring beam 6 need bear the atress, need possess certain intensity, but ring mounting 7 only plays the installation effect, and its thickness equidimension and cost can be far less than ring beam 6, compares in changing ring beam 6 of different internal diameters, sets up removable ring mounting 7 its cost obviously can be less.

The single tool assembly comprises two radial driving mechanisms 9, the two radial driving mechanisms 9 are correspondingly connected with the two spinning workpieces 8, namely, the output ends of the radial driving mechanisms 9 are connected with the spinning workpieces 9 one by one so as to respectively drive the two spinning workpieces 8 to move radially.

The output end of the radial driving mechanism 9 is connected with the spinning workpiece 9 in a specific mode that a connecting piece 91 is arranged at the output end of the radial driving mechanism 9, and a spherical part is fixedly arranged at one end, deviating from the radial driving mechanism 9, of the connecting piece 91, namely, the whole connecting piece 91 is a ball head connecting piece. The spinning workpiece 8 is provided with a clamping sleeve 84, the clamping sleeve 84 is sleeved on the spherical part, and the clamping sleeve 84 is connected with the spinning workpiece 8 through a bolt, so that the spinning workpiece 8 is connected with the spherical part through the clamping sleeve 84, and the spherical surface of the spherical part is contacted with the spinning workpiece 8. The ball joint connecting structure is formed between the radial driving mechanism 9 and the pressure selecting workpiece 8, so that the ball joint connecting structure can better bear forces and loads from different directions, and has better effects of resisting vibration and impact.

The spinning workpiece 8 includes a guide post 81 and a spinning member body 83 disposed on the guide post 81, where the spinning member body 83 is a component that is in contact with the workpiece 100 for spinning, and may be a spinning wheel, a cutter or other applicable components according to the purpose of spinning. The annular mounting piece 7 is provided with a guide seat 71, the guide column 81 is slidably connected with the guide seat 71 along the radial direction of the annular mounting piece 7 so as to support and move and guide the rotary pressing workpiece 8, the clamping sleeve 84 is specifically arranged on the guide column 81, the spherical surface of the spherical part is specifically contacted with the guide column 81, and the rotary pressing piece body 83 is specifically arranged at one end of the guide column 81, which is far away from the radial driving mechanism 9. In order to ensure that the spinning workpiece 8 does not rotate due to the spinning acting force or vibration, and that the spinning workpiece 8 deflects to generate errors and the like, the guide seat 71 and the guide post 81 are only in linear sliding connection along the radial direction of the annular mounting piece 7, and the guide seat 71 can limit the rotation of the guide post 81, for example, the guide post 81 is a polygonal cylinder, the guide seat 71 is a sleeve structure provided with a polygonal inner hole, and the guide post 71 is arranged in the polygonal inner hole of the guide seat 71 in a penetrating manner, so that the circumferential limit of the guide post 81 is realized.

In one embodiment of the present utility model, the angle of the spinning member body 83 is a fixed angle, such as horizontally disposed.

In a preferred embodiment of the present utility model, the spinning member body 83 is rotatable around the radial direction of the annular mounting member 7 to adjust the angle of the spinning member body 83, for example, to adjust the spinning member body 83 from a horizontal state parallel to the bottom surface of the annular mounting member 7 to an inclined state having an included angle with the bottom surface of the annular mounting member 7, so as to adapt to different spinning operation requirements.

In one of the above-mentioned setting modes of adjustable angle, be provided with rotary driving mechanism in the one end that the guide post 81 deviates from radial actuating mechanism 9, spinning piece body 83 specifically sets up on the output of rotary driving mechanism, drives the rotation and the auto-lock of spinning piece body 83 through spinning piece body 83, and rotary driving mechanism can be servo motor, rotary hydraulic cylinder or rotary cylinder. The setting mode can control the angle adjusting precision more conveniently and realize automatic control conveniently.

In another arrangement mode of the above angle-adjustable, the spinning working member 8 further includes a mounting seat 82, the spinning member body 83 is disposed on the guide post 81 through the mounting seat 82, specifically, the spinning member body 83 is disposed on the mounting seat 82, an annular groove is disposed on the guide post 81, and the locking member passes through the mounting seat 82 and is locked with a corresponding position in the annular groove so as to fix the mounting seat 82 and the guide post 81. The cross section of ring channel is T type, the retaining member specifically is T type bolt and nut, T type bolt wears to establish on mount pad 82, and T type bolt's head is located the ring channel, and because the cross section of ring channel is T type, mutual spacing between T type bolt's head and the ring channel, the afterbody at T type bolt is then connected to the nut, thereby fix the angle of rotating member body 83 between 82 and the guide post 81, when needing the angle of adjusting spinning member body 83, the rotating nut makes loosens between 82 and the guide post 81, rotate mount pad 82, make the spinning member body 83 to the required angle after, the locking between 82 and the guide post 81 of nut of derotation again can, this mode of setting structure is simpler, the cost is lower.

Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to imply that the scope of the present application is limited to such examples; combinations of features of the above embodiments or in different embodiments are also possible within the spirit of the application, steps may be implemented in any order, and there are many other variations of the different aspects of one or more embodiments described above which are not provided in detail for the sake of brevity.

One or more embodiments herein are intended to embrace all such alternatives, modifications and variations that fall within the broad scope of the present application. Any omissions, modifications, equivalents, improvements, and the like, which are within the spirit and principles of the one or more embodiments in the present application, are therefore intended to be included within the scope of the present application.

Claims (10)

1. A vertical ring beam spinning machine, comprising:

a column (1);

a workbench (4), wherein the workbench (4) is used for placing and fixing a workpiece (100) and can drive the workpiece (100) to rotate;

a carrying structure (5), wherein the carrying structure (5) is arranged on the upright (1) and has a stroke of moving longitudinally on the upright (1);

the annular beam (6) is arranged on the bearing structure (5), and when the bearing structure (5) drives the annular beam (6) to longitudinally move along the upright post (1), a workpiece (100) fixed on the workbench (4) can pass through the middle of the annular beam (6);

the tool assembly is arranged on the annular beam (6), at least one tool assembly is arranged, the single tool assembly comprises two spinning work pieces (8), and the two spinning work pieces (8) are symmetrically arranged along the axis of the annular beam (6) and have a travel along the radial direction of the annular beam (6).

2. A vertical ring beam spinning machine according to claim 1, characterized in that at least two upright posts (1) are provided, the bearing structure (5) is a slider (51), the slider (51) is annular and is slidingly connected between at least two upright posts (1), or the slider (51) is provided with at least two upright posts (1) which are slidingly connected with the corresponding upright posts; the ring beam (6) is arranged on the annular sliding blocks (51) or between at least two sliding blocks (51).

3. A vertical ring-beam spinning machine according to claim 1, characterized in that the carrying structure (5) comprises a movable cross member (52) slidably connected to the upright (1) and two cantilever arms (53) arranged on the movable cross member (52), and the ring-beam (6) is arranged at the lower ends of the two cantilever arms (53).

4. A vertical ring beam spinning machine according to any one of claims 1-3, further comprising an upper cross beam (2) and a longitudinal driving mechanism (3), the upper cross beam (2) being arranged at the upper end of the upright (1), the longitudinal driving mechanism (3) being arranged on the upper cross beam (2) and/or the upright (1) for driving the load-bearing structure (5) to move longitudinally along the upright (1).

5. A vertical ring beam spinning machine according to any one of claims 1 to 3, further comprising an annular mounting member (7), wherein the annular mounting member (7) is arranged coaxially with the ring beam (6) and is detachably connected to the ring beam (6), the tool assembly is arranged on the ring beam (6) through the annular mounting member (7), and the workpiece (100) fixed on the table (4) can pass through the middle of the annular mounting member (7) when the bearing structure (5) drives the ring beam (6) to move longitudinally along the upright (1).

6. A vertical ring beam spinning machine according to claim 5, wherein a single said tool assembly comprises two radial drive mechanisms (9), the two radial drive mechanisms (9) being correspondingly connected to the two spinning work pieces (8) for driving radial movement of the two spinning work pieces (8).

7. A vertical ring beam spinning machine according to claim 6, characterised in that a connecting piece (91) is arranged at the output end of the radial driving mechanism (9), a spherical part is arranged at one end of the connecting piece (91) which is away from the radial driving mechanism (9), a clamping sleeve (84) is arranged on the spinning workpiece (8) and is connected with the spherical part through the clamping sleeve (84), and the spherical surface of the spherical part is in contact with the spinning workpiece (8).

8. The vertical ring beam spinning machine according to claim 7, wherein the spinning working member (8) comprises a guide post (81) and a spinning member body (83) arranged on the guide post (81), the annular mounting member (7) is provided with a guide seat (71), the guide post (81) is slidably connected with the guide seat (71) along the radial direction of the annular mounting member (7), the clamping sleeve (84) is arranged on the guide post (81), and the spherical surface of the spherical part is in contact with the guide post (81).

9. A vertical ring beam spinning machine according to claim 8, wherein the spinning member body (83) is rotatable about the radial direction of the annular mounting member (7) to adjust the angle of the spinning member body (83).

10. The vertical ring beam spinning machine according to claim 9, wherein the spinning working member (8) further comprises a mounting seat (82), the spinning member body (83) is arranged on the guide post (81) through the mounting seat (82), an annular groove is arranged on the guide post (81), and the locking member passes through the mounting seat (82) and is locked with a corresponding position in the annular groove so as to fix the mounting seat (82) and the guide post (81).