CN111589929A

CN111589929A - Internal-supporting rim ring rolling machine

Info

Publication number: CN111589929A
Application number: CN202010461953.3A
Authority: CN
Inventors: 潘卫民; 李妙聪; 姚佳辉; 周密
Original assignee: Zhejiang Fengchi Mechanical Co ltd
Current assignee: Zhejiang Fengchi Mechanical Co ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2020-08-28
Also published as: CA3107202A1; CA3107202C; WO2021238332A1

Abstract

The invention provides an internal support type rim ring rolling machine, and belongs to the technical field of rim forming. It has solved the easy problem of leaking of equipment oil duct among the current ring rolling machine. The utility model provides an internal stay formula rim rolls circle machine, comprises a workbench, be provided with the vertical pivot of wearing to establish on the workstation, still be provided with oil feeding system on the workstation, oil feeding system includes the oiling casing and the defeated oil pipe of a plurality of oiling mouth and constitutes, the oiling casing is located, all be provided with seal unit one on the internal perisporium of tip department down, the oiling casing is located and is provided with seal unit two on the internal perisporium between two seal unit one, and through two seal unit one, form two oil storage chambeies that are used for filling fluid between seal unit two and the pivot, a plurality of oil ducts have been seted up on the up end of pivot, all be provided with the radial runner of radial setting between epaxial oil duct and the corresponding oil storage chamber. The invention has the advantages of improving the sealing performance and reducing the leakage.

Description

Internal-supporting rim ring rolling machine

Technical Field

The invention belongs to the technical field of rim forming, and relates to an inner support type rim ring rolling machine.

Background

Before the wheel rim is formed, a steel plate is cut into strips, a rim blank ring is manufactured after rounding, butt welding and flattening of a welding seam, and the blank ring is arranged in a rim spinning machine for spinning forming. The existing wheel rim forming process adopts an external pressure type and an internal support type, and is characterized in that an external mold or an internal mold is fixed, and the rotation of the internal mold or the external mold is utilized to carry out plastic transformation on a blank ring. This patent indicates internal stay formula rim spinning-lathe, trap the blank on rotary drum upper portion of rotary mechanism, it is fixed with the blank circle to start from the positioner who locks mutually, the blank circle passes through controlling means by the centre form on the rotary drum and passes through in proper order according to the procedure from inside to outside, the radial expansion of one side, the one side is strikeed up soon, press the blank circle to paste and take shape on positioning die's inner wall, the metal that promotes blank circle both ends so does the plasticity to the interlude and slides, oil duct in the current internal stay formula rim spinning-lathe is formed by upper and lower two parts assembly, in long-term use, change ceaselessly when moving because of the oil pressure, probably cause the junction to appear leaking the phenomenon, thereby lead to the product to appear damaging because of pressure is not enough when losing pressure.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides an internal support type rim rolling ring machine which improves the sealing effect, reduces oil leakage and prolongs the service life.

The purpose of the invention can be realized by the following technical scheme: the utility model provides an internal stay formula rim rolls circle machine, comprises a workbench, be provided with the pivot of vertical wearing to establish on the workstation, this pivot is through last, the step links firmly with the workstation mutually, and this pivot drives rotatoryly through the actuating mechanism that sets up on the workstation, the upper end that the workstation was worn out in the pivot is provided with the centre form that can more than two radial displacement and be used for the profile of downside on the shaping rim inner wall, set up the installation appearance groove that a plurality of quantity is the same with centre form quantity and supply centre form installation in the pivot, still be provided with the positioner from locking mutually on the workstation, positioner is by guiding mechanism, actuating mechanism two and centre form matched with external molds are constituteed, still be provided with oil feeding system on the workstation, above-mentioned actuating mechanism one, positioner and oil feeding system all control work through control system, a serial communication port, its characterized in that, oil feeding system is including the oiling casing that the tip is located under the pivot and link firmly and have a The oil filling port is the same in quantity and is formed by an oil delivery pipe communicated with an oil filling shell and an oil supply system, the oil filling shell is positioned at the oil filling port and is provided with an oil filling port which is fixedly connected with the oil filling port and is matched and connected with the oil delivery pipe, the inner peripheral wall of the oil filling shell positioned at the upper end part and the lower end part is provided with a first sealing unit which is formed by a plurality of radial inward bulges and is used for enhancing the sealing property, the inner peripheral wall of the oil filling shell positioned between the first sealing unit and the second sealing unit is provided with a second sealing unit which is formed by a plurality of radial inward bulges and is used for enhancing the sealing property, two oil storage cavities used for filling oil are formed between the first sealing unit, the second sealing unit and the rotating shaft, the oil filling port is arranged on the peripheral wall of the oil storage cavity in the oil filling shell, the upper end surface of the rotating, the oil ducts extend to the corresponding oil storage cavities, the number of the oil ducts is the same as that of the installation containing grooves, and radial runners which are radially arranged are arranged between the oil ducts on the rotating shaft and the corresponding oil storage cavities.

In the internal supporting type rim ring rolling machine, the sealing rings for enhancing the sealing property are arranged between two adjacent bulges in the first sealing unit and the second sealing unit.

In the internal-supporting rim ring rolling machine, the two end faces of the oil injection shell are respectively provided with a groove which is recessed inwards in the axial direction, and the oil injection shell is positioned in the corresponding groove and is internally provided with a sealing gasket which is used for enhancing the sealing property and is arranged in an annular shape.

In the internal supporting type rim ring rolling machine, the sealing plugs for sealing the oil passage are arranged at the positions, located at the opening of the oil passage, of the rotating shaft, and the sealing covers are arranged between the rotating shaft and the corresponding sealing plugs.

In the internal supporting rim ring rolling machine, the radial oil ducts are respectively arranged between the oil ducts and the corresponding mounting accommodating grooves, pistons are arranged in the radial oil ducts, when the internal mold is in the original position, the back surface of the internal mold is abutted against the outlets of the radial oil ducts, and the internal mold moves radially by the hydraulic oil drive action in the pistons and the oil ducts.

In the above-mentioned ring machine is rolled to interior supporting formula rim, the pivot lie in all levels set up more than one reset spring that is used for restoring to the throne the centre form home position on the periphery wall of both ends department about, this reset spring is cyclic annular, enclose at the periphery of pivot and with interior mould package ring including.

Compared with the prior art, the internal support type rim rolling ring machine has the following advantages:

1. the oil supply system comprises an oil injection shell which is sleeved on the lower end part of the rotating shaft and is fixedly connected with the rotating shaft and is provided with a plurality of oil injection ports, and a plurality of oil delivery pipes which are the same in number with the oil injection ports and are communicated with the oil injection shell, the oil injection shell is positioned at the oil injection ports and is provided with oil injection ports which are fixedly connected with the oil injection shell and are matched and connected with the oil delivery pipes, the inner peripheral wall of the oil injection shell positioned at the upper end part and the lower end part is provided with a first sealing unit which is formed by a plurality of radial inward bulges and used for enhancing the sealing property, the inner peripheral wall of the oil injection shell positioned between the first sealing units is provided with a second sealing unit which is formed by a plurality of radial inward bulges and used for enhancing the sealing property, two oil storage cavities used for filling oil are formed between the first sealing unit, the second sealing unit and the rotating shaft, set up a plurality of vertical settings and the oil duct that sets up along the pivot circumferencial direction on the up end of pivot, this oil duct extends to corresponding oil storage chamber department, and the quantity of this oil duct is the same with the quantity that the groove was held in the installation, all be provided with the radial runner of radial setting between epaxial oil duct of rotating and the corresponding oil storage chamber, the setting of above-mentioned structure makes the oil duct setting in the pivot, sets up the oil feed interface simultaneously in the pivot lower part, has improved the leakproofness, thereby reduce the appearance of oil leak phenomenon, prolong its life simultaneously.

Drawings

Fig. 1 is a schematic perspective view of the inner supporting rim rolling machine.

Fig. 2 is a schematic sectional structure view of the whole inner supporting rim rolling machine.

FIG. 3 is a schematic sectional view of the inner supporting rim ring rolling machine in the direction of the rotating shaft E-E.

Figure 4 is an enlarged view of circle a of figure 3 of the present inner support rim rolling machine.

In the figure, 1, a workbench; 2. a rotating shaft; 3. a first driving mechanism; 4. an inner mold; 5. installing a containing groove; 6. a positioning device; 7. a guide mechanism; 8. a second driving mechanism; 9. an outer mold; 10. an oil filling port; 11. an oiling housing; 12. an oil delivery pipe; 13. an oiling interface; 14. a first sealing unit; 15. a second sealing unit; 16. an oil storage chamber; 17. an oil passage; 18. a radial flow passage; 19. a seal ring; 20. a groove; 21. a gasket; 22. sealing the plug; 23. a sealing cover; 24. the radial oil passage.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2, 3 and 4, the inner supporting rim ring rolling machine comprises a workbench 1, a rotating shaft 2 vertically penetrating the workbench 1 is arranged on the workbench 1, the rotating shaft 2 is fixedly connected with the workbench 1 through an upper bearing seat and a lower bearing seat, the rotating shaft 2 is driven to rotate through a driving mechanism I3 arranged on the workbench 1, an output shaft in the driving mechanism I3 is in transmission fit with the rotating shaft 2 through a chain, a chain wheel matched with the chain is arranged on the outer peripheral wall of the rotating shaft 2 at the position of the chain, the connecting mode of the chain wheel and the rotating shaft 2 can be formed by disassembly connection or integral arrangement, more than two inner molds 4 capable of moving radially and used for forming the upper and lower side outlines of the inner wall of a rim are arranged at the upper end of the rotating shaft 2 penetrating through the workbench 1, a plurality of installation accommodating grooves 5 which are the same as the inner molds 4 in number and are used for installing the inner molds 4 are arranged on the rotating shaft 2, a positioning device 6 which, the positioning device 6 consists of a guide mechanism 7, a driving mechanism II 8 and two outer dies 9 matched with the inner die 4, the guide mechanism 7 consists of two slide bars arranged in parallel, supporting seats arranged at two ends of the corresponding slide bars and used for supporting the corresponding slide bars, and two mounting blocks which are sleeved on the two slide bars and used for mounting the corresponding outer dies 9 and driven to move by the driving mechanism II 8, the driving mechanism II 8 consists of an oil cylinder, a rocker arm and a connecting rod, the two sides of the workbench 1 are respectively hinged with the rocker arm, one end of the rocker arm is hinged with a piston rod of the oil cylinder, the other end of the oil cylinder is hinged at the bottom of the workbench 1, the other end of the rocker arm is hinged with one end of the connecting rod, the other end of the connecting rod is hinged with the mounting blocks, an oil supply system is also arranged on the workbench 1, and the driving, the oil supply system comprises an oil injection shell 11 which is sleeved on the rotating shaft 2 and is positioned on the inner lower end part of the workbench 1, is fixedly connected with the rotating shaft 2 and is provided with a plurality of oil injection ports 10, and a plurality of oil delivery pipes 12 which have the same number with the oil injection ports 10 and are used for communicating the oil injection shell 11 with the oil supply system, an oil injection port 13 which is fixedly connected with the oil injection shell 11 and is matched and connected with the oil delivery pipes 12 is arranged at the oil injection port 10, sealing units I14 which are formed by a plurality of radial inward bulges and used for enhancing the sealing performance are respectively arranged on the inner peripheral walls of the oil injection shell 11 positioned on the upper end part and the lower end part, a sealing unit II 15 which is formed by a plurality of radial inward bulges and used for enhancing the sealing performance is arranged on the inner peripheral wall of the oil injection shell 11 positioned between the two sealing units I14, and two oil storage cavities 16 which are used for filling, a plurality of oiling mouth 10 all sets up on the periphery wall of oil storage chamber 16 department in oiling casing 11, has seted up a plurality of vertical settings on the up end of pivot 2 and has followed the oil duct 17 that 2 circumferencial directions of pivot set up, and this oil duct 17 extends to corresponding oil storage chamber 16 department, and this oil duct 17's quantity is the same with the quantity that the groove 5 was held in the installation, and the vertical central line of oil duct 17 intersects and perpendicular with the horizontal central line that the groove 5 was held in corresponding installation, all is provided with radial runner 18 of radial setting between a plurality of oil duct 17 on the pivot 2 and the corresponding oil storage chamber 16.

In order to further improve the sealing performance, sealing rings 19 for enhancing the sealing performance are respectively arranged between two adjacent protrusions in the first sealing unit 14 and the second sealing unit 15, grooves 20 which are axially recessed inwards are respectively arranged on two end faces of the oil injection shell 11, and sealing gaskets 21 which are used for enhancing the sealing performance and are annularly arranged are arranged in the corresponding grooves 20 of the oil injection shell 11.

As a preferable structure, the rotating shaft 2 is provided with a sealing plug 22 for sealing the oil passage 17 at the opening of the oil passage 17, and a sealing cover 23 is arranged between the rotating shaft 2 and the corresponding sealing plug 22.

As a preferable structure, radial oil channels 24 are respectively arranged between the oil channels 17 and the corresponding installation accommodating grooves 5, pistons are arranged in the radial oil channels 24, when the inner mold 4 is in the original position, the back surface of the inner mold 4 is abutted against the outlets of the radial oil channels 24, and the inner mold 4 moves radially by the driving action of the pistons and hydraulic oil in the oil channels 17.

To put it in detail, in order to facilitate the resetting of the inner mold 4, more than one reset spring for resetting the original position of the inner mold 4 is horizontally arranged on the peripheral wall of the rotating shaft 2 at the upper end and the lower end of the rotating shaft, the reset springs are annular, and the ring is arranged on the periphery of the rotating shaft 2 and surrounds the inner mold 4.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. An inner supporting type rim ring rolling machine comprises a workbench (1), wherein a rotating shaft (2) vertically penetrating through the workbench (1) is arranged on the workbench (1), the rotating shaft (2) is fixedly connected with the workbench (1) through an upper bearing seat and a lower bearing seat, the rotating shaft (2) is driven to rotate through a driving mechanism I (3) arranged on the workbench (1), more than two inner molds (4) which can move radially and are used for forming the upper side and lower side outlines of the inner wall of a rim are arranged at the upper end, penetrating out of the workbench (1), of the rotating shaft (2), a plurality of installation accommodating grooves (5) which are the same as the inner molds (4) in number and are used for installing the inner molds (4) are arranged on the rotating shaft (2), a positioning device (6) locked by itself is also arranged on the workbench (1), and the positioning device (6) is composed of a guide mechanism (7), a driving mechanism II (8) and two outer molds (9) matched with the inner molds (4), still be provided with oil feeding system on workstation (1), above-mentioned actuating mechanism (3), positioner (6) and oil feeding system all control work through control system, its characterized in that, oil feeding system locates on pivot (2) lower tip and with pivot (2) mutually link firmly and have oiling casing (11) and a plurality of defeated oil pipe (12) that a plurality of oiling mouth (10) are the same and make oiling casing (11) and oil feeding system be linked together with oiling mouth (10) quantity including the cover and constitute, and oiling casing (11) are located oiling mouth (10) department and are provided with rather than linking firmly and with defeated oil pipe (12) matched with oiling interface (13) of being connected mutually, oiling casing (11) all be provided with on the internal perisporium that is located upper and lower tip department and be used for strengthening the leakproofness by the radial inward bulge constitution of a plurality of seal unit (14), be provided with on the internal perisporium that oiling casing (11) are located between two seal unit (14) by a plurality of radial inward bulge Protruding constitution is used for strengthening the sealed unit two (15) of leakproofness to form two oil storage chamber (16) that are used for filling fluid, a plurality of between two sealed unit (14), sealed unit two (15) and pivot (2) oiling mouth (10) all set up on the periphery wall of oil storage chamber (16) department in oiling casing (11), the up end of pivot (2) on offer a plurality of vertical settings and along oil duct (17) that pivot (2) circumferencial direction set up, this oil duct (17) extend to corresponding oil storage chamber (16) department, and the quantity of this oil duct (17) is the same with the quantity of installation appearance groove (5), all be provided with radial runner (18) of radial setting between oil duct (17) on pivot (2) and corresponding oil storage chamber (16).

2. An internally supporting rim ring rolling machine according to claim 1, characterized in that a sealing ring (19) for enhancing the sealing performance is arranged between two adjacent bulges in the first sealing unit (14) and the second sealing unit (15).

3. The inner-supporting rim ring rolling machine according to claim 1, characterized in that two end faces of the oil injection shell (11) are respectively provided with an axially inward concave groove (20), and the oil injection shell (11) is provided with a sealing gasket (21) which is positioned in the corresponding groove (20) and is used for enhancing the sealing performance and is arranged in an annular shape.

4. The inner supporting type rim ring rolling machine as claimed in claim 1, wherein sealing plugs (22) for sealing the oil passages (17) are arranged at the openings of the rotating shafts (2) located at the oil passages (17), and sealing covers (23) are arranged between the rotating shafts (2) and the corresponding sealing plugs (22).

5. The inner supporting type rim ring rolling machine according to claim 1, characterized in that a radial oil passage (24) is respectively arranged between the oil passage (17) and the corresponding mounting accommodating groove (5), a piston is arranged in the radial oil passage (24), when the inner mold (4) is in a home position, the back surface of the inner mold (4) is abutted against the outlet of the radial oil passage (24), and the inner mold (4) moves radially by the piston and hydraulic oil driving action in the oil passage (17).

6. The internally-supported rim ring rolling machine according to claim 1, wherein more than one return spring for returning the original position of the inner mold (4) is horizontally arranged on the outer peripheral wall of the rotating shaft (2) at the upper end and the lower end, and the return springs are annular and are wound on the periphery of the rotating shaft (2) and enclose the inner mold (4).