CN216540391U

CN216540391U - Profiling wheel structure for spinning

Info

Publication number: CN216540391U
Application number: CN202123306634.4U
Authority: CN
Inventors: 朱利军
Original assignee: Changsha Super Spin Machinery Technology Co ltd
Current assignee: Changsha Super Spin Machinery Technology Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-05-17
Anticipated expiration: 2031-12-23

Abstract

The utility model provides a profiling wheel structure for spinning, which comprises a spinning wheel bracket, a spinning wheel shaft fixedly connected to one end of the spinning wheel bracket and a profiling wheel rotationally connected with the spinning wheel shaft, wherein a central shaft hole is formed in the middle of the profiling wheel, the spinning wheel shaft is inserted into the central shaft hole, and the spinning wheel shaft positioned in the central shaft hole is rotationally connected with the central shaft hole through a bearing group; the bearing group comprises a tapered roller bearing and a thrust bearing which are sequentially arranged along the direction of keeping away from the spinning roller bracket, and a locking nut for axially fixing the tapered roller bearing is arranged on a spinning roller shaft outside the tapered roller bearing. The profiling wheel can rotate relative to the spinning wheel support, can bear circumferential, axial and radial loads, and has strong overall stability and engineering applicability.

Description

Profiling wheel structure for spinning

Technical Field

The utility model belongs to the technical field of spinning forming, and particularly relates to a profiling wheel structure for spinning.

Background

Spinning is to fix a flat or hollow blank on a die of a spinning machine, and press the blank with a spinning wheel or a driving rod while the blank rotates along with a main shaft of the machine, so that the blank is locally plastically deformed. Spinning is a special forming method, and can be used for finishing the processes of deep drawing, flanging, necking, bulging, curling and the like of rotating bodies with various shapes. In the spinning technology of the prior frame-shaped part, the adopted spinning wheel has poor stability and has poor precision when products such as the frame-shaped part are prepared.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the defects and shortcomings in the background art and provide a profiling wheel structure for spinning.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows:

a profiling wheel structure for spinning comprises a spinning wheel support, a spinning wheel shaft fixedly connected to one end of the spinning wheel support and a profiling wheel rotationally connected with the spinning wheel shaft, wherein a central shaft hole is formed in the middle of the profiling wheel, the spinning wheel shaft is inserted into the central shaft hole, and the spinning wheel shaft in the central shaft hole is rotationally connected with the central shaft hole through a bearing group; the bearing group comprises a tapered roller bearing and a thrust bearing which are sequentially arranged along the direction of keeping away from the spinning wheel bracket, and a locking nut for axially fixing the tapered roller bearing is arranged on a spinning wheel shaft on the outer side of the tapered roller bearing.

Further, the contour wheel includes the shaping portion and the bulb portion that arrange in proper order along keeping away from spinning wheel support direction, the arbitrary cross section of the axis of rotation of bulb portion perpendicular to contour wheel all is circular, and along the direction that is close to spinning wheel support the cross sectional area of bulb portion increases gradually, the surface smooth transition of the surface of bulb portion and shaping portion connects.

Furthermore, an outer ring of the tapered roller bearing is arranged between the tapered roller bearing and the inner side wall of the central shaft hole.

Furthermore, the tapered roller bearing and the thrust bearing are separated by an annular block integrally formed with the spinning wheel shaft, the locking nut and the annular block clamp and fix the inner ring of the tapered roller bearing, and the thrust bearing is arranged between the bottom surface of the central shaft hole and the annular block.

Furthermore, a gap is reserved between the bottom surface of the rotating wheel shaft and the bottom surface of the central shaft hole.

Furthermore, a detachable end cover is installed on the profiling wheel at the opening of the central shaft hole, and the rotary wheel shaft penetrates through the end cover.

Further, the spinning wheel bracket comprises isosceles trapezoid plate parts and vertical rod parts, wherein the isosceles trapezoid plate parts are sequentially arranged along the direction far away from the spinning wheel shaft, and the vertical rod parts are integrally formed at the left side and the right side of the long side end of each isosceles trapezoid plate part;

one end of the rotary wheel shaft close to the rotary wheel support is of a conical structure, a conical hole is formed in the middle of the corresponding isosceles trapezoid plate part, one end of the rotary wheel shaft close to the rotary wheel support is connected with the conical hole in a matched mode, and a threaded hole is formed in the tail end face of the rotary wheel shaft;

the middle of one end, far away from the rotating wheel shaft, of the isosceles trapezoid plate part is provided with a mounting hole, the mounting hole is communicated with the tapered hole, and a bolt connected with the threaded hole to prevent the rotating wheel shaft from falling off the tapered hole is mounted in the mounting hole.

Compared with the prior art, the utility model has the beneficial effects that:

(1) the profiling wheel can rotate relative to the spinning wheel bracket, can bear circumferential, axial and radial loads, and has strong integral stability.

(2) The profiling wheel structure for spinning can be used for preparing frame-shaped part products and the like, and the formed size precision of the products is high.

(3) The profiling wheel provided by the utility model has the advantages of simple spinning principle, low cost, high reliability and strong engineering applicability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a front view of a profiling wheel structure for spinning;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a schematic view of the enlarged partial structure of FIG. 2;

fig. 4 is a plan view of the structure of the profiling wheel for spinning.

Illustration of the drawings:

11. a spinning wheel support; 111. an isosceles trapezoid plate part; 1111. a tapered hole; 1112. mounting holes; 1113. a bolt; 112. a vertical rod portion; 12. a rotating axle; 121. a ring block; 122. a threaded hole; 13. a profiling wheel; 131. a molding section; 132. a ball head portion; 133. a central shaft hole; 14. a bearing set; 141. a tapered roller bearing; 142. a thrust bearing; 15. an end cap; 16. and locking the nut.

Detailed Description

In order to facilitate understanding of the utility model, the utility model will be described more fully and in detail with reference to the accompanying drawings and preferred embodiments, but the scope of the utility model is not limited to the specific embodiments below.

Example 1:

as shown in fig. 1 to 4, the profiling wheel structure for spinning in this embodiment includes a spinning wheel support 11, a spinning wheel shaft 12 fixedly connected to one end of the spinning wheel support 11, and a profiling wheel 13 rotatably connected to the spinning wheel shaft 12, wherein a central shaft hole 133 is formed in the middle of the profiling wheel 13, the spinning wheel shaft 12 is inserted into the central shaft hole 133, and the spinning wheel shaft 12 located in the central shaft hole 133 is rotatably connected to the central shaft hole 133 through a bearing set 14; the bearing set 14 includes a tapered roller bearing 141 and a thrust bearing 142 sequentially arranged in a direction away from the spinning reel bracket 11, and a lock nut 16 for axially fixing the tapered roller bearing 141 is provided on the spinning reel shaft 12 outside the tapered roller bearing 141.

The contour wheel 13 can rotate relative to the spinning wheel support 11, and the contour wheel 13 can bear circumferential, axial and radial loads when rotating relative to the spinning wheel support 11, so that the integral stability is high, the reliability is high, the engineering applicability is very strong, and the cost is low.

In this embodiment, the contour wheel 13 includes a forming portion 131 and a ball head portion 132 sequentially arranged in a direction away from the swivel wheel support 11, any cross section of the ball head portion 132 perpendicular to the rotation axis of the contour wheel 13 is circular, the cross section area of the ball head portion 132 gradually increases in a direction approaching the swivel wheel support 11, and the surface of the ball head portion 132 and the surface of the forming portion 131 are in smooth transition connection. The forming surface curve shape of the profiling wheel 13 is matched with the section curve shape of the end frame (frame piece), the principle is simple during spinning, and the precise forming of the frame piece product is facilitated.

In this embodiment, an outer ring of the tapered roller bearing 141 is provided between the tapered roller bearing 141 and the inner wall of the central shaft hole 133.

In this embodiment, the tapered roller bearing 141 and the thrust bearing 142 are separated by an annular block 121 formed integrally with the spinning reel 12, the lock nut 16 and the annular block 121 clamp and fix the inner race of the tapered roller bearing 141, and the thrust bearing 142 is mounted between the bottom surface of the central shaft hole 133 and the annular block 121.

In this embodiment, a plurality of annular steps are provided on the inner sidewall of the central shaft hole 133 from the inside to the outside, the inner diameters of the plurality of annular steps from the inside to the outside are sequentially increased, and a space is left between the bottom surface of the spinning reel 12 and the bottom surface of the central shaft hole 133. Through the arrangement, the stability of the structure of the copying wheel is further improved.

In this embodiment, the removable end cap 15 is mounted on the contour wheel 13 at the opening of the central axle hole 133, and the rotating axle 12 passes through the end cap 15.

In this embodiment, the turning wheel bracket 11 includes an isosceles trapezoid plate portion 111 and vertical rod portions 112 integrally formed on the left and right sides of the long side end of the isosceles trapezoid plate portion 111, which are sequentially arranged in the direction away from the turning wheel shaft 12;

one end of the spinning wheel shaft 12 close to the spinning wheel bracket 11 is in a conical structure, a conical hole 1111 is formed in the middle of the corresponding isosceles trapezoid plate part 111, one end of the spinning wheel shaft 12 close to the spinning wheel bracket 11 is connected with the conical hole 1111 in a matched mode, and a threaded hole 122 is formed in the tail end face of the spinning wheel shaft;

the middle of one end of the isosceles trapezoid plate part 111, which is far away from the spindle 12, is provided with a mounting hole 1112, the mounting hole 1112 is communicated with the tapered hole 1111, and a bolt 1113 connected with the threaded hole 122 to prevent the spindle 12 from coming out of the tapered hole 1111 is installed in the mounting hole 1112. The spinning wheel support 11 is simple in overall structure and strong in stability.

Claims

1. The profiling wheel structure for spinning is characterized by comprising a spinning wheel support (11), a spinning wheel shaft (12) fixedly connected to one end of the spinning wheel support (11) and a profiling wheel (13) rotatably connected with the spinning wheel shaft (12), wherein a central shaft hole (133) is formed in the middle of the profiling wheel (13), the spinning wheel shaft (12) is inserted into the central shaft hole (133), and the spinning wheel shaft (12) positioned in the central shaft hole (133) is rotatably connected with the central shaft hole (133) through a bearing group (14); the bearing set (14) comprises a tapered roller bearing (141) and a thrust bearing (142) which are sequentially arranged along the direction far away from the spinning wheel bracket (11), and a locking nut (16) for axially fixing the tapered roller bearing (141) is arranged on the spinning wheel shaft (12) on the outer side of the tapered roller bearing (141).

2. The profiling wheel structure for spinning according to claim 1, characterized in that the profiling wheel (13) comprises a forming part (131) and a ball head part (132) which are arranged in sequence along the direction far away from the spinning wheel bracket (11), any cross section of the ball head part (132) perpendicular to the rotation axis of the profiling wheel (13) is circular, the cross section area of the ball head part (132) is gradually increased along the direction close to the spinning wheel bracket (11), and the surface of the ball head part (132) is smoothly and transitionally connected with the surface of the forming part (131).

3. The profiling wheel structure for spinning according to claim 1, wherein an outer ring of the tapered roller bearing (141) is provided between the tapered roller bearing (141) and an inner side wall of the central shaft hole (133).

4. The profiling wheel structure for spinning according to claim 1, wherein the tapered roller bearing (141) and the thrust bearing (142) are separated by an annular block (121) formed integrally with the spinning wheel shaft (12), the lock nut (16) and the annular block (121) clamp and fix the inner ring of the tapered roller bearing (141), and the thrust bearing (142) is installed between the bottom surface of the central shaft hole (133) and the annular block (121).

5. The profiling wheel structure for spinning according to any one of claims 1 to 4, wherein a space is left between the bottom surface of the spinning wheel shaft (12) and the bottom surface of the central shaft hole (133).

6. The profiling wheel structure for spinning according to any one of claims 1 to 4, wherein a detachable end cover (15) is mounted on the profiling wheel (13) at the opening of the central shaft hole (133), and the spinning shaft (12) penetrates through the end cover (15).

7. The profiling wheel structure for spinning according to any one of claims 1 to 4, wherein the spinning wheel support (11) comprises isosceles trapezoid plate parts (111) and vertical rod parts (112) integrally formed on the left side and the right side of the long side end of the isosceles trapezoid plate parts (111), wherein the isosceles trapezoid plate parts (111) are sequentially arranged in the direction away from the spinning wheel shaft (12);

one end of the rotating wheel shaft (12) close to the rotating wheel bracket (11) is of a conical structure, a conical hole (1111) is formed in the middle of the corresponding isosceles trapezoid plate part (111), one end of the rotating wheel shaft (12) close to the rotating wheel bracket (11) is connected with the conical hole (1111) in a matched mode, and a threaded hole (122) is formed in the tail end face of the rotating wheel shaft;

mounting hole (1112) have been seted up in the middle of isosceles trapezoid plate portion (111) keeps away from the one end of swivel spindle (12), mounting hole (1112) and bell mouth (1111) intercommunication, install in mounting hole (1112) and be connected bolt (1113) in order to prevent swivel spindle (12) and deviate from bell mouth (1111) with screw hole (122).