CN219541466U - Spoke forming oil press - Google Patents

Abstract

The utility model relates to the field of oil presses, and particularly discloses a spoke forming oil press which comprises an upper oil cylinder and a lower oil cylinder, wherein the upper oil cylinder and the lower oil cylinder are provided with an upper plunger and a lower plunger corresponding to the upper oil cylinder and the lower oil cylinder, a stand comprises a stand column, an upper beam and a lower beam which are fixedly connected with the stand column, the upper oil cylinder is connected with the upper beam, the lower oil cylinder is connected with the lower beam, the upper plunger is fixedly connected with the upper annular die through a connecting column, the upper annular die is arranged below the upper beam, the lower plunger is fixedly connected with the lower beam and drives the lower beam to be in sliding fit with the stand column, the upper surface of the lower beam is provided with a lower annular die and a punching die, the punching die is arranged below an inner ring of the lower annular die, the lower surface of the upper beam is provided with a forming die arranged above the inner ring of the upper annular die, and the inner ring of the upper annular die is arranged opposite to the inner ring of the lower annular die. The utility model realizes the function of integrating the pressing and punching functions, greatly reduces the manufacturing time of the spoke and saves the time cost.

Description

Spoke forming oil press

Technical Field

The utility model relates to the field of oil presses, in particular to an oil press for manufacturing a large-sized hub.

Background

In the plastic forming technology of modern manufacture, a hydraulic press plays a very important role, wherein the hydraulic press for pressing a large-sized hub is mostly a single-action hydraulic press mainly based on a pressing mode of pressing downwards, and the back-drawing pressing is generally applied to forming conical and spherical parts so as to resist the generation of internal wrinkles. The manufacturing method of the wheel spoke of the wheel is characterized in that a steel plate is subjected to multiple working procedures such as stretching, forming, punching, flanging, wind hole chamfering and the like, each working procedure is completed by different machines, the working procedures are more, the processing error is large, the production cost and the labor cost are large, and the production efficiency cannot be guaranteed.

The technical problems to be solved by the utility model are as follows: how to improve the production efficiency of spoke manufacture.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide a spoke forming oil press.

The technical scheme adopted by the utility model is as follows: the spoke forming oil press comprises an upper oil cylinder and a lower oil cylinder, wherein the upper oil cylinder and the lower oil cylinder are provided with an upper plunger and a lower plunger corresponding to the upper oil cylinder and the lower oil cylinder, the stand comprises an upright post, an upper beam and a lower beam which are fixedly connected with the upright post, the upper oil cylinder is connected with the upper beam, the lower oil cylinder is connected with the lower beam, the upper plunger is fixedly connected with an upper annular die through a connecting post, the upper annular die is arranged below the upper beam, the lower plunger is fixedly connected with the lower beam and drives the lower beam to be in sliding fit with the upright post, the upper surface of the lower beam is provided with a lower annular die and a punching die, the punching die is arranged below an inner ring of the lower annular die, the lower surface of the upper beam is provided with a forming die arranged above the inner ring of the upper annular die, and the inner ring of the upper annular die is arranged opposite to the inner ring of the lower annular die.

The method comprises the steps of placing a raw material circular plate material of a spoke into an oil press, compacting the raw material circular plate material by an upper annular die and a lower annular die, lifting the compacted circular plate material through the cooperation of the upper oil cylinder and the lower oil cylinder, forming the circular plate material when the stroke is upward by a forming die, punching the circular plate material when the stroke is downward by a punching die, and providing a space for forming the circular plate material by the forming die by the inner rings of the upper annular die and the lower annular die.

In some embodiments, a plurality of connecting posts are arranged in a circle and fixedly connected with the upper annular mold through the upper beam. In order to balance the force application or the force bearing of the upper annular die, the upper plunger drives the upper annular die to lift through connecting columns which are arranged into a circle.

In some embodiments, the lower surface of the upper beam is provided with a buffer cylinder fixedly connected thereto, and the lower beam is provided with a buffer rod arranged right below the buffer cylinder. The cooperation of the buffer cylinder and the buffer stem reduces the vibration generated by the edge of the round plate material in the pressing process.

In some embodiments, the center of the lower plunger is provided with an ejection cylinder, and the ejection cylinder comprises an ejection cylinder body fixedly connected with the lower plunger and an ejection plunger penetrating out of the lower beam, and the ejection plunger also penetrates through the punching die. The ejection cylinder is responsible for ejecting the oil press for the formed circular plate material.

In some embodiments, the connecting column is provided with a die fixing beam fixedly connected with the connecting column, the die fixing beam is provided with a plurality of die fixing holes, and the die fixing holes are arrayed into a plurality of circles with different diameters. The die fixing holes on the die fixing beam facilitate die replacement.

The utility model has the beneficial effects that:

according to the spoke forming hydraulic press, the structure of the hydraulic press is improved, two pressing hydraulic cylinders are arranged, the hydraulic cylinders and a plurality of dies are matched to achieve the functions of pressing and punching, the manufacturing time of the spoke is greatly shortened, and the time cost is saved.

Drawings

FIG. 1 is a schematic cross-sectional view of the present utility model;

fig. 2 is a pressed article of the present utility model.

The reference numbers and designations in the figures correspond to the following: 11. an upper plunger; 12. an upper cylinder; 13. a connecting column; 14. a die fixing beam; 21. a lower plunger; 22. a lower cylinder; 31. ejecting the plunger; 41. a girder is arranged; 42. a lower beam; 51. a forming die; 52. an upper annular mold; 53. a lower annular mold; 54. punching a die; 61. a buffer cylinder; 62. a buffer rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a technical scheme that: referring to fig. 1, the spoke forming oil press comprises an upper oil cylinder and a lower oil cylinder, wherein the upper oil cylinder comprises an upper cylinder body 12 and an upper plunger 11, the lower oil cylinder is provided with a lower oil cylinder and a lower plunger 21, the stand comprises a stand column, an upper beam 41 and a lower beam 42 fixedly connected with the stand column, the upper cylinder body 12 is fixedly connected with the upper beam 41 through a connecting stand column, and the lower plunger 21 is fixedly connected with the lower beam 42. The center of the lower plunger 21 is provided with an ejection cylinder, the ejection cylinder comprises an ejection cylinder body fixedly connected with the lower plunger 21 and an ejection plunger 31 penetrating out of the lower beam 42, and the center of the upper end of the lower plunger 21 is provided with a groove matched with the ejection cylinder body in shape.

The upper plunger 11 is fixedly connected with the upper annular die 52 through a plurality of connecting columns 13 and die fixing beams 14, one end of each connecting column 13 is fixedly connected with the upper plunger 11, the other end of each connecting column penetrates through the upper beam 41 to be fixedly connected with the die fixing beam 14, the die fixing beams 14 are provided with a plurality of die fixing holes, the die fixing holes are arranged into a plurality of circles with different diameters, the upper annular die 52 is arranged below the upper beam 41, and the upper annular die 52 is fixedly connected with the die fixing beams 14. The lower surface of the upper beam 41 is provided with a forming die 51 disposed above the inner ring of the upper annular die 52. The molding die 51 is a cylinder with a hemispherical bottom surface. The forming die 51 can pass over the lowest point of the upper annular die 52 during the pressing process.

The lower plunger 21 is fixedly connected with the lower beam 42 and drives the lower beam 42 to be in sliding fit with the upright post, a lower annular die 53 and a punching die 54 are arranged on the upper surface of the lower beam 42, the punching die 54 is arranged below the inner ring of the lower annular die 53, the punching die 54 is provided with a plurality of punching needles, the number of the punching needles is set up to depend on the required punching number of products, and the inner ring of the upper annular die 52 is arranged opposite to the inner ring of the lower annular die 53. The ejector plunger 31 passes through the punching die 54 and protrudes from the center of the punching die 54. The diameter of the forming die 51 is smaller than the inner ring diameter of the upper annular die 52 or the inner ring diameter of the lower annular die 53.

The upper annular die 52 and the lower annular die 53 realize the compaction and fixation of the round plate material for manufacturing the spoke raw materials. The height of the forming die 51 is greater than the distance between the lower annular die 53 and the top end of the punch pin die.

The upper beam 41 has a buffer cylinder 61 fixedly connected to both sides of the lower surface thereof, and the lower beam 42 has a buffer rod 62 disposed directly below the buffer cylinder 61. The plunger of the buffer cylinder 61 and the buffer rod 62 can compress the circular plate material. The compression fit of the buffer cylinder 61 and the buffer rod 62 to the round plate material can reduce vibration generated by the edge of the round plate material in the pressing process, and reduce noise generation.

The working principle and the using flow of the utility model are as follows: the round plate material is placed on the lower annular grinding tool and the buffer rod 62, the upper plunger 11 is ejected to the original working position, the utility model is started, the lower plunger 21 drives the lower beam 42 to quickly move upwards, the upper cylinder is used for maintaining pressure, the upper annular die 52 and the lower annular die 53 compress the round plate material, after the round plate material reaches the working position, namely the round plate material contacts with the pressing die, the lower plunger 21 is slowly pressed upwards, the upper plunger 11 is pressed back by the lower plunger 21, the lower plunger 21 reaches the set stroke, at the moment, the center of the round plate material is ejected by the pressing die and is ejected against the punching die 54, after punching is finished, the lower plunger 21 returns, the upper plunger 11 is ejected downwards to reset, the ejected plunger 31 is ejected upwards to demould the finished product, and the finished product is obtained as shown in the figure. The above is a pressing process, and the pressed product is shown in fig. 2.

Finally, it should be noted that: the foregoing is merely a preferred example of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (5)

1. Spoke shaping hydraulic press, including last hydro-cylinder, lower hydro-cylinder and frame, it is equipped with upper plunger (11) and lower plunger (21) that correspond with it to go up the hydro-cylinder and lower hydro-cylinder, the frame includes stand, with stand fixed connection's upper beam (41) and underbeam (42), it is connected with upper beam (41) to go up the hydro-cylinder, lower hydro-cylinder is connected with underbeam (42), its characterized in that, go up plunger (11) through spliced pole (13) and go up ring mould (52) fixed connection, go up ring mould (52) and set up in upper beam (41) below, lower plunger (21) and underbeam (42) fixed connection and drive underbeam (42) and stand sliding fit, underbeam (42) upper surface is equipped with down ring mould (53) and cut-out press (54), cut out press (54) set up in the interior ring below of lower ring mould (53), upper beam (41) lower surface is equipped with shaping mould (51) of last ring mould (52) inner ring top, the setting up the interior ring mould (52) relatively with the ring mould (53).

2. The oil hydraulic press for forming spokes according to claim 1, wherein a plurality of the connecting posts (13) are arranged in a circular shape and fixedly connected with the upper annular die (52) through the upper beam (41).

3. The spoke forming oil press according to claim 1, wherein the lower surface of the upper beam (41) is provided with a buffer cylinder (61) fixedly connected therewith, and the lower beam (42) is provided with a buffer rod (62) disposed directly below the buffer cylinder (61).

4. The spoke forming oil press according to claim 1, wherein the center of the lower plunger (21) is provided with an ejection cylinder, the ejection cylinder comprises an ejection cylinder body fixedly connected with the lower plunger (21) and an ejection plunger (31) penetrating out of the lower beam (42), and the ejection plunger (31) also penetrates through the punching die (54).

5. The spoke forming oil press according to claim 1, characterized in that the connecting column (13) is provided with a die fixing beam (14) fixedly connected with the connecting column, the die fixing beam (14) is provided with a plurality of die fixing holes, and the die fixing holes are arrayed into a plurality of circles with different diameters.