CN210848144U

CN210848144U - Auxiliary supporting device for rolling and expanding bearing

Info

Publication number: CN210848144U
Application number: CN201921785625.8U
Authority: CN
Inventors: 胡伟勇; 王峰; 王仁东; 吴永军
Original assignee: ZHEJIANG ZHONGJI FOUNDRY AND FORGING CO Ltd
Current assignee: ZHEJIANG ZHONGJI FOUNDRY AND FORGING CO Ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-06-26
Anticipated expiration: 2029-10-23

Abstract

An auxiliary supporting device for bearing ring rolling comprises a ring rolling roller and a ring rolling core rod, wherein a cylindrical ring rolling shaft is formed at one end of the ring rolling core rod, a supporting shaft is formed on the ring rolling shaft, a supporting seat is fixed on a frame of a ring rolling machine, a notch is formed in the supporting seat, an inclined supporting rod is inserted in the notch of the supporting seat, and the supporting rod is hinged to the supporting seat through a hinged shaft; the upper end of the supporting rod is formed with a jack opposite to the supporting shaft; a strip-shaped guide groove is formed at the lower end of the supporting rod, an Contraband-shaped connector is inserted and sleeved at the lower end of the supporting rod, a pin shaft is inserted and connected in the guide groove of the supporting rod, and two ends of the pin shaft are inserted and fixed on the connector; an oil cylinder mounting bracket is fixed on the lower end face of the supporting seat, an oil cylinder is fixed on the oil cylinder mounting bracket, and a piston rod of the oil cylinder is fixedly connected with the connector. The length of the ring rolling core rod is adjusted, and the two ends of the ring rolling core rod can be supported in the ring rolling process, so that the strength of the ring rolling core rod is improved, and the service life of the ring rolling core rod is prolonged.

Description

Auxiliary supporting device for rolling and expanding bearing

The technical field is as follows:

the utility model relates to a technical field of equipment that expands by rolling, more specifically say and relate to an auxiliary stay device that bearing expanded by rolling.

Background art:

the rotary forging method for making the required ring-shaped member by gradually enlarging the diameter of the ring-shaped blank in the hole pattern formed by the rolling roller and the core roller and forming the ring-shaped blank is also called reaming or rolling. The structure of the existing annular blank, such as a bearing ring, during rolling is shown in fig. 1, a bearing blank 11 is inserted and sleeved on a rolling section 23 of a rolling core rod 2 and abuts against a rolling roller 1, the length of the rolling section 23 of the existing rolling core rod 2 is matched with that of the rolling roller 1, but the rolling section 23 is supported only by the other end of the rolling core rod 2, and the other end of the rolling section is suspended, so that the rolling section 23 of the rolling core rod 2 is easy to deform during long-term rolling to damage the rolling core rod 2.

The utility model has the following contents:

the utility model aims at providing a not enough to prior art, and provide a supplementary strutting arrangement of bearing ring rolling, it has rectified the length of ring rolling plug to can support the both ends of ring rolling plug at the ring rolling process, improve the intensity of ring rolling plug, the extension is rolled the life-span of being used of ring rolling plug.

An auxiliary supporting device for bearing ring rolling comprises a ring rolling machine, wherein a ring rolling roller and a ring rolling core rod are arranged on the ring rolling machine, a cylindrical ring rolling shaft is formed at one end of the ring rolling core rod, a supporting shaft is formed at one end of the ring rolling shaft, which is far away from the ring rolling core rod, a supporting seat is fixed on a frame of the ring rolling machine, which is close to one side of the supporting shaft, a notch is formed at one side of the supporting seat, which is close to the supporting shaft, an inclined supporting rod is inserted in the notch of the supporting seat, and the supporting rod is hinged on the supporting; the upper end of the supporting rod is exposed out of the upper end surface of the supporting seat, and a jack opposite to the supporting shaft is formed in the upper end surface of the supporting rod; a strip-shaped guide groove is formed in the lower end face, exposed out of the supporting seat, of the lower end of the supporting rod, an Contraband-shaped connector is inserted and sleeved at the lower end of the supporting rod, a pin shaft is inserted and connected in the guide groove of the supporting rod, and two ends of the pin shaft are inserted and fixed on the connector; an oil cylinder mounting bracket is fixed on the lower end face of the supporting seat, an oil cylinder is fixed on the oil cylinder mounting bracket, and a piston rod of the oil cylinder is fixedly connected with the connector.

Preferably, a bearing is fixedly inserted into the insertion hole of the support rod, and the aperture of the inner hole of the bearing is larger than the diameter of the support shaft.

Preferably, the central axis of the support shaft, the central axis of the rolling shaft and the central axis of the rolling core rod are on the same straight line.

Preferably, the length of the rolling shaft on the rolling core rod is greater than that of the rolling roller.

Preferably, the hydro-cylinder installing support include the bracket of "U" font, the upper end of bracket is fixed on the supporting seat, and the bracket is close to the shaping on the lower extreme lateral wall of one side of the expanding plug and is had the bottom plate, and the shaping has vertical mounting panel on the bottom plate, and the upper end of mounting panel is fixed on the supporting seat, the hydro-cylinder insert and establish in the bracket, the hydro-cylinder is fixed on the mounting panel, the piston rod of hydro-cylinder passes mounting panel and connector looks rigid coupling.

Preferably, the groove width of the guide groove on the support rod is equal to or larger than the diameter of the pin shaft, a roller is inserted and sleeved on the pin shaft on the inner side of the connector, and the roller abuts against the inner walls on two sides of the guide groove.

The beneficial effects of the utility model reside in that:

the length of the ring rolling core rod is adjusted, and the two ends of the ring rolling core rod can be supported in the ring rolling process, so that the strength of the ring rolling core rod is improved, and the service life of the ring rolling core rod is prolonged.

Description of the drawings:

FIG. 1 is a schematic view of a conventional ring rolling assembly;

FIG. 2 is a schematic structural view of the present invention during non-ring expansion;

fig. 3 is a schematic structural view of the present invention during rolling.

In the figure: 1. rolling a roller; 2. rolling and expanding the core rod; 21. rolling and expanding a shaft; 22. a support shaft; 23. a rolling expansion section; 3. a supporting seat; 4. a support bar; 41. a jack; 42. a guide groove; 5. hinging a shaft; 6. a connector; 7. a pin shaft; 8. a cylinder mounting bracket; 81. a bracket; 82. a base plate; 83. mounting a plate; 9. an oil cylinder; 10. a bearing; 11. a bearing blank.

The specific implementation mode is as follows:

example (b): as shown in fig. 2 to 3, an auxiliary supporting device for bearing ring rolling comprises a ring rolling machine, wherein a ring rolling roller 1 and a ring rolling core rod 2 are arranged on the ring rolling machine, a cylindrical ring rolling shaft 21 is formed at one end of the ring rolling core rod 2, a supporting shaft 22 is formed at one end of the ring rolling shaft 21 away from the ring rolling core rod 2, a supporting seat 3 is fixed on a frame of the ring rolling machine close to one side of the supporting shaft 22, a notch is formed at one side of the supporting seat 3 close to the supporting shaft 22, an obliquely arranged supporting rod 4 is inserted into the notch of the supporting seat 3, and the supporting rod 4 is hinged on the supporting seat 3 through a hinge shaft 5; the upper end of the support rod 4 is exposed out of the upper end face of the support seat 3, and an insertion hole 41 opposite to the support shaft 22 is formed; a strip-shaped guide groove 42 is formed in the lower end face, exposed out of the support seat 3, of the lower end of the support rod 4, an Contraband-shaped connector 6 is inserted and sleeved at the lower end of the support rod 4, a pin shaft 7 is inserted and connected in the guide groove 42 of the support rod 4, and two ends of the pin shaft 7 are inserted and fixed on the connector 6; an oil cylinder mounting bracket 8 is fixed on the lower end face of the supporting seat 3, an oil cylinder 9 is fixed on the oil cylinder mounting bracket 8, and a piston rod of the oil cylinder 9 is fixedly connected with the connector 6.

Preferably, the bearing 10 is inserted and fixed in the insertion hole 41 of the support rod 4, and the aperture of the inner hole of the bearing 10 is larger than the diameter of the support shaft 22.

Preferably, the central axis of the support shaft 22, the central axis of the rolling shaft 21 and the central axis of the rolling core rod 2 are on the same straight line.

Preferably, the length of the rolling shaft 21 on the rolling core rod 2 is greater than that of the rolling roller 1.

Preferably, the cylinder mounting bracket 8 includes a u-shaped bracket 81, the upper end of the bracket 81 is fixed on the support base 3, a bottom plate 82 is formed on the side wall of the lower end of the bracket 81 near the expanding mandrel 2, a vertical mounting plate 83 is formed on the bottom plate 82, the upper end of the mounting plate 83 is fixed on the support base 3, the cylinder 9 is inserted into the bracket 81, the cylinder 9 is fixed on the mounting plate 83, and the piston rod of the cylinder 9 passes through the mounting plate 83 and is fixedly connected with the connector 6.

Preferably, the width of the guide groove 42 on the support rod 4 is equal to or larger than the diameter of the pin 7, and the pin 7 on the inner side of the connector 6 is inserted with a roller which abuts against the inner walls on the two sides of the guide groove 42.

The working principle is as follows: the utility model relates to an auxiliary supporting device for rolling bearing, which has the main technical points that a rolling shaft 21 of a rolling core rod 2 is lengthened and matched with a supporting shaft 22 which can be supported by matching with a supporting component; the supporting component consists of a supporting seat 3, a supporting rod 4, an oil cylinder 9 and the like;

as shown in fig. 2, the support assembly is separated from the rolling core rod 2, and a bearing blank can be placed; and during ring rolling, the oil cylinder 9 on the supporting component can drive the supporting rod 4 to rotate, so that the bearing 10 on the supporting rod 4 is inserted and sleeved on the supporting shaft 22, and the supporting rod 4 is used for supporting the other end of the ring rolling core rod 2 during ring rolling.

The examples are intended to be illustrative, but not limiting, of the invention. The embodiments can be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the present invention should be determined by the appended claims.

Claims

1. The utility model provides an auxiliary stay device that bearing rolled, includes the rolling machine, is equipped with on the rolling machine and rolls over roller (1) and rolls over plug (2), its characterized in that: a cylindrical ring rolling shaft (21) is formed at one end of the ring rolling core rod (2), a supporting shaft (22) is formed at one end of the ring rolling shaft (21) away from the ring rolling core rod (2), a supporting seat (3) is fixed on a ring rolling machine frame close to one side of the supporting shaft (22), a notch is formed at one side of the supporting seat (3) close to the supporting shaft (22), an obliquely arranged supporting rod (4) is inserted into the notch of the supporting seat (3), and the supporting rod (4) is hinged on the supporting seat (3) through a hinged shaft (5); the upper end of the supporting rod (4) is exposed out of the upper end face of the supporting seat (3), and a jack (41) opposite to the supporting shaft (22) is formed; a strip-shaped guide groove (42) is formed in the lower end face, exposed out of the supporting seat (3), of the lower end of the supporting rod (4), an Contraband-shaped connector (6) is inserted and sleeved at the lower end of the supporting rod (4), a pin shaft (7) is inserted and connected in the guide groove (42) of the supporting rod (4), and two ends of the pin shaft (7) are inserted and fixed on the connector (6); an oil cylinder mounting bracket (8) is fixed on the lower end face of the supporting seat (3), an oil cylinder (9) is fixed on the oil cylinder mounting bracket (8), and a piston rod of the oil cylinder (9) is fixedly connected with the connector (6).

2. The auxiliary supporting device for rolling of the bearing of claim 1, wherein: a bearing (10) is fixedly inserted into the insertion hole (41) of the support rod (4), and the aperture of the inner hole of the bearing (10) is larger than the diameter of the support shaft (22).

3. The auxiliary supporting device for rolling of the bearing of claim 2, wherein: the central axis of the support shaft (22), the central axis of the rolling shaft (21) and the central axis of the rolling core rod (2) are on the same straight line.

4. The auxiliary supporting device for rolling of the bearing of claim 3, wherein: the length of the rolling shaft (21) on the rolling core rod (2) is greater than that of the rolling roller (1).

5. The auxiliary supporting device for rolling of the bearing of claim 1, wherein: hydro-cylinder installing support (8) including bracket (81) of "U" font, the upper end of bracket (81) is fixed on supporting seat (3), and bracket (81) are close to and are expanded core rod (2) one side lower extreme lateral wall on the shaping have bottom plate (82), and the shaping has vertical mounting panel (83) on bottom plate (82), and the upper end of mounting panel (83) is fixed on supporting seat (3), hydro-cylinder (9) insert and establish in bracket (81), hydro-cylinder (9) are fixed on mounting panel (83), the piston rod of hydro-cylinder (9) passes mounting panel (83) and connector (6) looks rigid coupling.

6. The auxiliary supporting device for rolling of the bearing of claim 1, wherein: the groove width of the guide groove (42) on the support rod (4) is larger than the diameter of the pin shaft (7), a roller is inserted and sleeved on the pin shaft (7) on the inner side of the connector (6), and the roller is abutted against the inner walls on two sides of the guide groove (42).