Forged part ejection device of friction press

Abstract

The utility model discloses a friction press after-forging part ejection device which comprises an ejection plate, a lower die base bottom plate, a lower bottom plate, a double-guide-rod air cylinder and an ejection rod, the ejection plate is fixed to the lower surface of the lower die base bottom plate through bolts, the four corners of the ejection plate are fixedly connected with the lower bottom plate through connecting shafts, and a sliding base is arranged on the lower bottom plate. The double-guide-rod air cylinder is fixed to the sliding base, a telescopic belt of the double-guide-rod air cylinder is fixedly connected with a guide ejection plate, the lower end of an ejection rod is fixed to the guide ejection plate, the upper end of the ejection rod is in threaded connection with an ejection head, a through hole is formed in the surface of the ejection plate, and the ejection head corresponds to an ejection hole of a lower die base bottom plate through the through hole in the ejection plate. An original connecting rod bottom support structure is abandoned, and a new ejection structure is designed to adapt to the problem of narrow equipment space; the lower bottom plate is used for replacing an old-fashioned cast aluminum low support; the double-guide-rod air cylinder is adopted, the stability and the reliability are guaranteed, the ejection position and the ejection height can be adjusted, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ejection of friction press parts, in particular to an ejection device for forged parts of a friction press. Background Art

[0002] Friction press is a versatile pressure processing machine with a wide range of applications. It can be used in various pressure processing industries. The old friction press is limited by its own mechanical structure. The original connecting rod bottom support is used as the main device for ejecting parts. The operating stability is very poor and failures occur frequently. The main problems are as follows.

[0003] 1. When the press is ejecting, it is affected by the mold and the lower ejector block; the ejection force of the parts is uneven and the ejection height is uncontrollable.

[0004] 2. The old hydraulic system of the friction press has poor stability and unstable pressure output, which causes unstable hydraulic cylinder ejection force, large changes in the lifting position of the forging hammer, inconsistent part ejection height, incomplete shape after forging, high scrap rate, and frequent crashes. According to statistics, the equipment downtime is as high as 5 times / week. The average weekly maintenance time exceeds 20 hours, which seriously affects the production progress. In view of the above problems, a friction press forged part ejection device is proposed. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide a friction press forging parts ejection device, abandon the original connecting rod bottom support knot, design a new ejection structure to adapt to the problem of narrow equipment space; use a lower bottom plate to replace the old cast aluminum low support; use a double guide rod cylinder to ensure stability and reliability, and the ejection position and ejection height can be adjusted, thereby improving the practicability of the device and effectively solving the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a friction press forged part ejection device, comprising a top plate, a lower die base bottom plate, a lower bottom plate, a double guide rod cylinder and an ejector rod, the top plate is fixed to the lower surface of the lower die base bottom plate by bolts, the four corners of the top plate are fixedly connected to the lower bottom plate by connecting shafts, a sliding base is provided on the lower bottom plate, the double guide rod cylinder is fixed on the sliding base, the telescopic belt of the double guide rod cylinder is fixedly connected to a guide ejector plate, the lower end of the ejector rod is fixed to the guide ejector plate, the upper end of the ejector rod is threadedly connected to an ejector head, a through hole is provided on the surface of the top plate, and the ejector head corresponds to the ejection hole of the lower die base bottom plate through the through hole on the top plate.

[0007] Furthermore, the size of the top plate is smaller than the size of the bottom plate of the lower die base, and an assembly nut is provided at the lower end of the connecting shaft.

[0008] Furthermore, the upper end of the connecting shaft passes through the top of the bottom plate of the lower die base, the upper end of the connecting shaft is connected with an adjusting nut, and a limiting nut is arranged on the connecting shaft below the top plate.

[0009] Furthermore, a guide rail is provided on the upper surface of the lower base plate, the sliding base is slidably connected to the guide rail, a side support plate is provided on the side of the lower base plate, the side support plate is threadedly connected to a screw rod, the inner end of the screw rod is rotatably connected to the side of the sliding base, and an adjusting hand wheel is provided at the outer end of the screw rod.

[0010] Furthermore, mutually symmetrical guide rods are arranged on the sliding bases on both sides of the double-guide-rod cylinder, and the guide ejection plate is slidably connected to the guide rods.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. Abandon the original connecting rod bottom support knot and design a new ejection structure to adapt to the problem of narrow equipment space; use the lower bottom plate to replace the old cast aluminum low support; use double guide rod cylinder to ensure stability and reliability, and the ejection position and ejection height can be adjusted to improve the practicality of the device.

[0013] 2. The split and detachable assembly method has the advantages of simple structure, stable operation and low maintenance cost; it can replace the hydraulic ejection structure or connecting rod linkage structure of the same type of press; and effectively reduce the frequency of failure of such friction presses. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;

[0016] Figure 3 This is a front view structural schematic diagram of the utility model.

[0017] In the figure: 1 ejector plate, 2 lower die base plate, 3 adjusting hand wheel, 4 side support plate, 5 screw rod, 6 lower base plate, 7 guide rail, 8 sliding base, 9 assembly nut, 10 connecting shaft, 11 limit nut, 12 adjusting nut, 13 bolt, 14 ejector head, 15 through hole, 16 ejector rod, 17 guide rod, 18 guide ejector plate, 19 double guide rod cylinder. DETAILED DESCRIPTION

[0018] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0019] See also Figure 1-3 The utility model provides a technical solution: a friction press forged part ejection device, comprising a top plate 1, a lower die base bottom plate 2, a lower bottom plate 6, a double guide rod cylinder 19 and an ejector rod 16, the top plate 1 is fixed to the lower surface of the lower die base bottom plate 2 by bolts 13, the four corners of the top plate 1 are fixedly connected to the lower bottom plate 6 by connecting shafts 10, a sliding base 8 is provided on the lower bottom plate 6, the double guide rod cylinder 19 is fixed on the sliding base 8, the telescopic belt of the double guide rod cylinder 19 is fixedly connected with a guide ejector plate 18, the lower end of the ejector rod 16 is fixed on the guide ejector plate 18, the upper end of the ejector rod 16 is threadedly connected with an ejector head 14, which is connected by threading, which is convenient for replacement and installation. An ejection head 14 is installed to improve the practicality of the device. A through hole 15 is provided on the surface of the top plate 1. The ejection head 14 corresponds to the ejection hole of the lower die base bottom plate 2 through the through hole 15 on the top plate 1. The size of the through hole 15 is larger than the size of the ejection hole, which is convenient for subsequent ejection work at different positions. The size of the top plate 1 is smaller than the size of the lower die base bottom plate 2. The top plate 1 can be fixed under the lower die base bottom plate 2 by bolts 13, so as to adapt to installation in a narrow space. An assembly nut 9 is provided at the lower end of the connecting shaft 10, and the lower bottom plate 6 and the connecting shaft 10 are fixed by the assembly nut 9. This detachable connection is convenient for disassembly of the device, and is convenient for inspection and maintenance.

[0020] The upper end of the connecting shaft 10 passes through the top of the lower die base bottom plate 2, and the upper end of the connecting shaft 10 is connected with an adjusting nut 12. A limiting nut 11 is provided on the connecting shaft 10 below the top plate 1. The connecting shaft 10 and the lower die base bottom plate 2 can be firmly fixed by the cooperation of the limiting nut 11 and the adjusting nut 12. The position of the connecting shaft 10 can be adjusted by rotating the adjusting nut 12, and then the distance between the lower bottom plate 6 and the top plate 1 can be adjusted, thereby changing the ejection height to meet the ejection work of parts of different specifications.

[0021] A guide rail 7 is provided on the upper surface of the lower base plate 6, and the sliding base 8 is slidably connected to the guide rail 7. A side support plate 4 is provided on the side of the lower base plate 6, and a screw rod 5 is threadedly connected to the side support plate 4. The inner end of the screw rod 5 is rotatably connected to the side of the sliding base 8, and an adjusting hand wheel 3 is provided on the outer end of the screw rod 5. The screw rod 5 can be rotated by adjusting the hand wheel 3. The screw rod 5 pushes the sliding base 8 to move on the guide rail 7, and then the ejection position can be changed, thereby adapting to the ejection work of different molds.

[0022] Symmetrical guide rods 17 are provided on the sliding base 8 on both sides of the double guide rod cylinder 19, and the guide ejection plate 18 is slidably connected to the guide rods 17. During the ejection operation, the guide rods 17 guide the guide ejection plate 18, thereby ensuring the accuracy of the ejection position.

[0023] In terms of control, an ejection program is compiled to cooperate with the automatic operation of the friction press, so that the double guide rod cylinder 19 can cooperate with the forging action. At the same time, multiple interlocking protections are set to prevent smashing, misoperation, no action, and ejection without resetting, and corresponding detection and protection are provided.

[0024] The basic principles, main features and advantages of the present invention are shown and described above. Without departing from the spirit and scope of the present invention, the present invention may also be subject to various changes and improvements, which are all within the scope of the present invention to be protected.

Claims

1. A device for ejecting forged parts of a friction press, comprising a top plate (1), a bottom plate (2) of a lower die base, a lower bottom plate (6), a double-guide rod cylinder (19) and an ejector rod (16), characterized in that: The top plate (1) is fixed to the lower surface of the lower die base bottom plate (2) by bolts (13); the four corners of the top plate (1) are fixedly connected to the lower die base plate (6) by connecting shafts (10); a sliding base (8) is provided on the lower die base plate (6); a double guide rod cylinder (19) is fixed to the sliding base (8); a telescopic belt of the double guide rod cylinder (19) is fixedly connected to a guide ejection plate (18); the lower end of an ejection rod (16) is fixed to the guide ejection plate (18); the upper end of the ejection rod (16) is threadedly connected to an ejection head (14); a through hole (15) is provided on the surface of the top plate (1); the ejection head (14) corresponds to the ejection hole of the lower die base bottom plate (2) through the through hole (15) on the top plate (1).

2. A friction press forged parts ejection device according to claim 1, characterized in that: The size of the top plate (1) is smaller than the size of the bottom plate (2) of the lower die base, and an assembly nut (9) is provided at the lower end of the connecting shaft (10).

3. The device for ejecting forged parts of a friction press according to claim 1, characterized in that: The upper end of the connecting shaft (10) passes through the upper part of the lower die base bottom plate (2), the upper end of the connecting shaft (10) is connected with an adjusting nut (12), and a limiting nut (11) is provided on the connecting shaft (10) below the top plate (1).

4. A friction press forged part ejection device according to claim 1, characterized in that: A guide rail (7) is provided on the upper surface of the lower base plate (6), the sliding base (8) is slidably connected to the guide rail (7), a side support plate (4) is provided on the side of the lower base plate (6), a screw rod (5) is threadedly connected to the side support plate (4), the inner end of the screw rod (5) is rotatably connected to the side of the sliding base (8), and an adjusting hand wheel (3) is provided on the outer end of the screw rod (5).

5. The device for ejecting forged parts of a friction press according to claim 1, characterized in that: Mutually symmetrical guide rods (17) are arranged on the sliding bases (8) on both sides of the double-guide rod cylinder (19), and the guide ejection plate (18) is slidably connected to the guide rods (17).

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