CN219520388U

CN219520388U - Long-life lower ejection demoulding mechanism for die forging machine

Info

Publication number: CN219520388U
Application number: CN202223472755.0U
Authority: CN
Inventors: 陈炯亨; 林东民; 陈俞廷
Original assignee: Zhejiang Jingyong Forging Machinery Co ltd
Current assignee: Zhejiang Jingyong Forging Machinery Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-08-15
Anticipated expiration: 2032-12-26

Abstract

The utility model discloses a long-life lower ejection demoulding mechanism for a die forging machine, which comprises a frame and an oil pressure unit for outputting force, wherein a fixed seat, an oil pressure cylinder, a swinging rocker arm and a rocker arm transmission shaft are arranged on the frame, the swinging rocker arm transmission shaft is rotatably connected to the frame, the swinging rocker arm is fixed with one end of the swinging rocker arm transmission shaft, the fixed seat is fixed on the frame, two ends of the oil pressure cylinder are respectively pivoted with the fixed seat and the swinging rocker arm, and the oil pressure unit is connected with the oil pressure cylinder through an oil pipe.

Description

Long-life lower ejection demoulding mechanism for die forging machine

Technical Field

The utility model belongs to the technical field of die forging machines, and particularly relates to a long-service-life lower ejection demoulding mechanism for a die forging machine.

Background

The die forging machine is one of production equipment commonly used for metal stamping forming, and is generally provided with a lower ejection demoulding mechanism, which is mainly used for ejecting a workpiece after stamping from a mould so as to take the workpiece and perform stamping of the next workpiece.

The current lower ejection device adopts a cam pull rod type structure, as shown in fig. 1, the power of the lower ejection device is output by a cam 1, and sequentially passes through a swing arm 2, a first pull rod 4, a second pull rod 6, a swing arm connector 7 and a swing rocker 8 to the ejection rod, and a connecting rod fixing seat 3 for fixing the swing arm needs to be arranged on a frame, and the first pull rod and the second pull rod need to be connected through a pull rod connector 5. Because of the influence of current market trend, the product is more and more accurate and complicated and needs faster production efficiency, and the ejecting device of cam pull rod formula structure ejection force is less, the circumstances of deformation or fracture of easy emergence pull rod when the atress is great, and lubrication between the structure is very important, once lubrication can not lead to the operation interference of each structure, and then the harm takes place.

The disadvantages are as follows.

Disadvantages:

(1) The ejection force is smaller, and the ejection mechanism is only suitable for single and less complex products;

(2) If the stress is large, the deformation and damage of the pull rod are easy to occur, thereby influencing the output;

(3) The structure has a plurality of parts, and is troublesome to lubricate or maintain.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the high-efficiency automatic production device which has the advantages of long service life, high ejection force, stable output, easiness in implementation of maintenance and lubrication operation and easiness in cooperation with multi-station impact forging.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a die forging machine is with ejecting demoulding mechanism under long-life, includes the frame and is used for the oil pressure unit of output power, be provided with fixing base, oil pressure jar, swing rocking arm and rocking arm transmission shaft in the frame, be provided with ejecting rocking arm on the rocking arm transmission shaft, the rocking arm transmission shaft rotates to be connected in the frame, and the swing rocking arm is fixed with the one end of rocking arm transmission shaft, and the fixing base is fixed in the frame, and the both ends of oil pressure jar pin joint fixing base and swing rocking arm respectively, oil pressure unit passes through oil pipe connection oil pressure jar.

The ejection rocker arm is further connected to the middle of the rocker arm transmission shaft, and two sides of the rocker arm transmission shaft are rotatably connected with the frame.

Further, a lubrication copper lining is arranged at the rotating connection part of the rocker arm transmission shaft and the frame.

And a rocker arm cover plate is arranged at one end of the rocker arm transmission shaft corresponding to the swing rocker arm.

And a copper lining cover plate is arranged at the other end of the rocker arm transmission shaft, which corresponds to the rocker arm cover plate.

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

(1) The ejection structure is simple, and the maintenance and lubrication operation is easy to implement;

(2) The ejection force output is large and stable, and the structure is more firm and durable compared with a cam pull rod type structure;

(3) Is suitable for various products and multi-station stamping operation.

Drawings

FIG. 1 is a schematic diagram of a lower ejection and stripping mechanism of a prior art swager;

FIG. 2 is a schematic diagram of a long life lower ejection and demolding mechanism for a die forging machine of the present utility model;

FIG. 3 is a cross-sectional view taken along the direction A in FIG. 2;

fig. 4 is a cross-sectional view at B-B in fig. 3.

Reference numerals: 8. swinging the rocker arm; 9. an oil pressure unit; 10. a fixing seat; 11. an oil hydraulic cylinder; 12. lubricating copper lining; 13. a rocker arm drive shaft; 14. an ejection rocker arm; 15. a rocker arm cover plate; 16. a copper-lined cover plate; 17. an ejector rod; 18. a frame.

Detailed Description

Embodiments of a long life lower ejection and demolding mechanism for a die-forging machine of the present utility model will be further described with reference to fig. 1 to 4.

In the description of the present utility model, it should be noted that, for the azimuth words such as the terms "center", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, only for convenience of describing the present utility model and simplifying the description, but do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and should not be construed as limiting the specific protection scope of the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first", "a second" feature may explicitly or implicitly include one or more of such feature, and in the description of the present utility model, the meaning of "a number", "a number" is two or more, unless otherwise specifically defined.

The utility model provides a die forging machine is with ejecting demoulding mechanism under long-life, includes frame 18 and is used for the oil pressure unit 9 of output power, be provided with fixing base 10, oil pressure jar 11, swing rocking arm 8 and rocking arm transmission shaft 13 on the frame 18, be provided with ejecting rocking arm 14 on the rocking arm transmission shaft 13, rocking arm transmission shaft 13 rotates to be connected on frame 18, and swing rocking arm 8 is fixed with the one end of rocking arm transmission shaft 13, and fixing base 10 is fixed in on the frame 18, the both ends of oil pressure jar 11 pin joint fixing base 10 and swing rocking arm 8 respectively, oil pressure unit 9 passes through oil pipe connection oil pressure jar 11.

As shown in fig. 1, the hydraulic unit 9 in this embodiment may also be referred to as a hydraulic power unit, which is used to supply oil to the hydraulic cylinder 11, and may be mounted on the frame 18 or outside, by being connected to the hydraulic cylinder 11.

When the oil pressure unit 9 is started, the mandrel net of the oil pressure cylinder 11 is driven to act, then the swinging rocker 8 is driven to rotate together with the rocker transmission shaft 13, and the ejection rocker 14 is connected with the rocker transmission shaft 13, so that the ejection rod 17 for demolding can move linearly up and down as a rotating motion, and the ejection of the product out of the mold can be achieved.

The ejection structure is simpler, no excessive complex transmission parts exist, maintenance and lubrication operation are easy to implement, ejection force output is large and stable, and compared with a cam pull rod type structure, the cam pull rod type structure is more firm and durable.

As shown in fig. 2, the ejector rocker arm 14 is connected to the middle part of the rocker arm transmission shaft 13, two sides of the rocker arm transmission shaft 13 are rotatably connected with the frame 18, and the rocker arm transmission shaft 13 outputs torque outwards through the middle part, so that stable rotation of the rocker arm is maintained.

The preferred rotating connection part of the rocker arm transmission shaft 13 and the stand 18 is provided with a lubrication copper lining 12, and the lubrication copper lining 12 can reduce friction and ensure smooth rotation between the rocker arm transmission shaft 13 and the stand 18.

The rocker arm transmission shaft 13 is preferably provided with a rocker arm cover plate 15 at one end corresponding to the swing rocker arm 8.

And the other end of the rocker arm transmission shaft 13 corresponding to the rocker arm cover plate 15 is provided with a copper lining cover plate 16.

Wherein the rocker arm cover 15 can limit the position of the rocker arm 8 and the copper lining cover 16 can press the lubricating copper lining 12 at the edge.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The utility model provides a die forging machine is with ejecting demoulding mechanism under long-life which characterized in that: the hydraulic device comprises a frame and an oil pressure unit for outputting force, wherein a fixing seat, an oil pressure cylinder, a swinging rocker arm and a rocker arm transmission shaft are arranged on the frame, an ejection rocker arm is arranged on the rocker arm transmission shaft, the rocker arm transmission shaft is rotationally connected to the frame, the swinging rocker arm is fixed to one end of the rocker arm transmission shaft, the fixing seat is fixed to the frame, two ends of the oil pressure cylinder are respectively pivoted with the fixing seat and the swinging rocker arm, and the oil pressure unit is connected with the oil pressure cylinder through an oil pipe.

2. The long life lower ejection and demolding mechanism for a die forging machine according to claim 1, wherein: the ejection rocker arm is connected to the middle part of the rocker arm transmission shaft, and two sides of the rocker arm transmission shaft are rotatably connected with the frame.

3. The long life lower ejection mechanism for a die forging machine according to claim 2, wherein: and a lubricating copper lining is arranged at the rotating connection part of the rocker arm transmission shaft and the frame.

4. The long life lower ejection mechanism for a die forging machine according to claim 3, wherein: one end of the rocker arm transmission shaft, which corresponds to the swing rocker arm, is provided with a rocker arm cover plate.

5. The long life lower ejection and demolding mechanism for a die forging machine according to claim 4, wherein: and a copper lining cover plate is arranged at the other end of the rocker arm transmission shaft, which corresponds to the rocker arm cover plate.