CN218015534U

CN218015534U - High-speed forging press body structure

Info

Publication number: CN218015534U
Application number: CN202222395343.5U
Authority: CN
Inventors: 陈世雄; 杨健; 王振中
Original assignee: Xi'an Metalwk Hydraumatic Machinery Co ltd
Current assignee: Xi'an Metalwk Hydraumatic Machinery Co ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2022-12-13
Anticipated expiration: 2032-09-09

Abstract

The utility model belongs to the technical field of metal pressure processing, in particular to high-speed forging press fuselage structure. The fuselage structure comprises a fuselage shell, the fuselage shell is of a 'return' shape structure, a rectangular hole is formed in the center of the upper portion of the fuselage shell, a bearing box body is arranged in the rectangular hole, two ends of the bearing box body are of rectangular structures and are respectively inlaid above the rectangular hole of the fuselage shell, and a pressing mechanism is arranged at the joint of the two ends of the lower portion of the bearing box body and the lower portion of the rectangular hole of the fuselage shell. The utility model discloses a top at fuselage casing rectangular hole is inlayed respectively at bearing box both ends to adopt hold-down mechanism to connect into inserted confined rigidity fuselage structure with fuselage casing, bearing box, greatly promoted the rigidity of high-speed forging press fuselage, improved the bearing capacity of high-speed forging press fuselage, improved the stress state of bent axle at the during operation, reduced the deflection of bent axle when high-speed operation, mold processing operation precision is high, product quality is high, the lumber recovery is high.

Description

High-speed forging press body structure

Technical Field

The utility model belongs to the technical field of metal pressure processing, in particular to high-speed forging press fuselage structure.

Background

The existing high-precision production of the special-shaped copper strip is produced by adopting a high-speed forging press to carry out die stamping, the main transmission type of the high-speed forging press is crankshaft transmission, and a crankshaft is connected with a bearing box body of a machine body through a bearing. The structure of the machine body of the current high-speed forging press is divided into: the upper and lower split type bearing box body, or the welded type bearing box body, or the left and right split type body of the whole bearing box. The welding structure has the disadvantages that all welding seams are difficult to be completely welded due to the structural limitation, the reaction force of the forging deformation force is born by partial steel plates and the welding seams, and the deformation of the bearing box body is large. The bearing box bodies of the upper and lower split bearing box bodies are connected through fasteners; the left split type body and the right split type body are connected through the fasteners between the bearing box body and the body shell, the common point of the two types is that the reaction force of the forging deformation force of the two types is borne by the fasteners, and the deformation of the fasteners is far greater than that of the body. Due to the defects of the machine body structure, the deformation of the crankshaft is large, so that the movement track and the bottom dead center position of the upper die are slightly changed, the movement precision of the die is reduced, and the requirement of high precision of a micrometer level cannot be met. When the deformation of the crankshaft is increased, the die can be irregularly inclined, so that the product has poor size consistency and low size precision; when the mould inclines seriously, the product can have cracks and become waste products.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a high-speed forging press fuselage structure, this fuselage structural rigidity is big, and bearing capacity is strong, has realized that high-speed forging press when high-speed operation body rigidity is good, the bent axle warp little, the high purpose of the product quality of production of mold operation precision, production, the yield has improved the productivity effect.

The technical scheme of the utility model lies in: the utility model provides a high-speed forging press fuselage structure, includes the fuselage casing, the fuselage casing is "returning" font structure, and its upper portion central point puts and is equipped with the rectangular hole, be equipped with the bearing box in the rectangular hole, bearing box middle part is equipped with two bent axle mounting holes that are parallel to each other, bearing box both ends are the rectangular structure, inlay respectively the rectangular hole top of fuselage casing, bearing box lower part both ends with the junction of fuselage casing rectangular hole below is equipped with hold-down mechanism, fuselage casing lower part fixedly connected with tie-beam.

The bearing box is characterized in that fasteners are arranged at the joints of the two ends of the upper part of the bearing box and the machine body shell, the fasteners are double-ended bolts and nuts, unthreaded holes are respectively arranged at the joints of the upper part of the machine body shell and the two ends of the upper part of the bearing box in the horizontal direction and the vertical direction, and threaded holes are arranged at the positions of the bearing box corresponding to the unthreaded holes.

The pressing mechanism is a wedge type pressing mechanism and comprises an upper wedge and a lower wedge, the upper plane of the upper wedge is in contact with the lower end face of the bearing box body, the lower inclined plane of the upper wedge is in contact with the upper inclined plane of the lower wedge, and the lower plane of the lower wedge is in contact with the lower surface of the rectangular hole of the machine body shell.

The upper inclined wedge is L-shaped, and a fastening bolt is arranged at the joint of the L-shaped end part and the end part of the lower inclined wedge.

The pressing mechanism is a hydraulic pressing mechanism and comprises a second oil cylinder, a second piston is arranged in the second oil cylinder, the bottom of the second oil cylinder is in contact with the lower surface of the rectangular hole of the machine body shell, and the top of the second piston is in contact with the lower end face of the bearing box body.

The side face of the second oil cylinder is provided with a communicating pipe, the tail end of the communicating pipe is provided with a first oil cylinder, and a first piston is arranged in the first oil cylinder.

The technical effects of the utility model reside in that: the utility model discloses a rectangular hole top at fuselage casing is inlayed respectively at bearing box both ends to adopt hold-down mechanism to connect into inserted confined rigidity fuselage structure with fuselage casing, bearing box, compare current fuselage structure, the utility model discloses the fuselage of whole bearing box inserted structure has greatly promoted the rigidity of high-speed forging press fuselage, has improved the bearing capacity of high-speed forging press fuselage, has improved the bent axle stress at the during operation, has reduced the deflection of bent axle when high-speed operation, thereby has guaranteed that the mold processing operation precision is high, and product quality is high, the lumber recovery is high.

The following will be further described with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of a high-speed forging press body structure according to an embodiment of the present invention.

Fig. 2 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A ofbase:Sub>A high speed forging press body structure according to an embodiment of the present invention.

Fig. 3 is a B-B cross-sectional view of a high-speed forging press body structure according to an embodiment of the present invention.

Fig. 4 is a schematic diagram of a wedge block structure adopted by a pressing mechanism of a high-speed forging press body structure according to an embodiment of the present invention.

Fig. 5 is a schematic diagram of a pressing mechanism adopting an oil cylinder structure of a high-speed forging press body structure according to an embodiment of the present invention.

Reference numerals: 1. fuselage casing, 2, fastener, 3, bearing box, 4, hold-down mechanism, 5, tie-beam, 41, go up the slide wedge, 42, lower slide wedge, 43, fastening bolt, 44, first piston, 45, first hydro-cylinder, 46, communicating pipe, 47, second hydro-cylinder, 48, second piston.

Detailed Description

Example 1

In order to solve the poor problem of high-speed forging press fuselage structural rigidity among the prior art, the utility model provides a high-speed forging press fuselage structure as shown in fig. 1 to 3, including fuselage casing 1, fuselage casing 1 is "return" font structure, and its upper portion central point puts and is equipped with the rectangular hole, be equipped with bearing box 3 in the rectangular hole, bearing box 3 middle part is equipped with two bent axle mounting holes that are parallel to each other, 3 both ends of bearing box are the rectangular structure, inlay respectively fuselage casing 1's rectangular hole top, 3 lower part both ends of bearing box with the junction of 1 rectangular hole below of fuselage casing is equipped with hold-down mechanism 4, 1 lower part fixedly connected with tie-beam 5 of fuselage casing.

The utility model discloses a hold-down mechanism 4 connects into inserted confined rigidity fuselage structure with fuselage casing 1, bearing box 3, compares current fuselage structure, the utility model discloses the fuselage of whole bearing box inserted structure has greatly promoted the rigidity of high-speed forging press fuselage, has improved the bearing capacity of high-speed forging press fuselage, has improved the bent axle at the stress of during operation, has reduced the deflection of bent axle when high-speed operation.

Example 2

On the basis of embodiment 1, in this embodiment, preferably, the connecting portions between the two ends of the upper portion of the bearing box 3 and the body housing 1 are provided with fastening pieces 2, the fastening pieces 2 are double-ended bolts and nuts, the connecting portions between the upper portion of the body housing 1 and the two ends of the upper portion of the bearing box 3 are respectively provided with a unthreaded hole in the horizontal direction and the vertical direction, and the bearing box 3 and the unthreaded hole are provided with threaded holes at corresponding positions.

In the embodiment of the utility model provides an in, twist into the screw hole of bearing box 3 with stud's one end, the other end passes fuselage casing 1 and exposes at fuselage casing 1's surface, links together fuselage casing 1 and bearing box 3 with the nut.

Example 3

In addition to embodiment 1 or embodiment 2, in this embodiment, as shown in fig. 4, preferably, the pressing mechanism 4 is a wedge-type pressing mechanism, and includes an upper wedge 41 and a lower wedge 42, an upper plane of the upper wedge 41 is in contact with a lower end surface of the bearing housing 3, a lower plane of the upper wedge 41 is in contact with an upper inclined plane of the lower wedge 42, and a lower plane of the lower wedge 42 is in contact with a lower surface of the rectangular hole of the fuselage housing 1.

The utility model discloses during the use, through exerting a yawing force F1 for last slide wedge 41, go up slide wedge 41 along lower inclined plane with lower slide wedge 42's last inclined plane upward movement, go up the last plane of slide wedge 41 with bearing box 3's lower terminal surface contact gives bearing box 3's lower terminal surface produces an ascending packing force F2 for bearing box 3 closely combines at 1 slotted hole of fuselage casing 1, becomes an organic whole with fuselage casing 1.

Example 4

On the basis of embodiment 1 or embodiment 3, in this embodiment, preferably, the upper wedge 41 is L-shaped, and a fastening bolt 43 is disposed at a connection between an end of the L-shape and an end of the lower wedge 42.

The utility model discloses L shape tip with lower slide wedge 42 end connection department is equipped with fastening bolt 43, and the two is connected firmly, because upward there is a yawing force F1 all the time between slide wedge 41 and the lower slide wedge 42 for hold-down mechanism 4 continuously produces an upward packing force F2, makes bearing box 3 and fuselage casing 1 remain the compression state all the time.

Example 5

In addition to embodiment 1 or embodiment 4, in this embodiment, as shown in fig. 5, preferably, the pressing mechanism 4 is a hydraulic pressing mechanism, and includes a second oil cylinder 47, a second piston 48 is disposed in the second oil cylinder 47, a bottom of the second oil cylinder 47 contacts with a lower surface of the rectangular hole of the body housing 1, and a top of the second piston 48 contacts with a lower end surface of the bearing housing 3.

The utility model discloses during the use, through the pressurization of rodless chamber to in the second hydro-cylinder 47 for second piston 48 upward movement produces packing force F2, makes bearing box 3 combine closely with fuselage casing 1 in the fuselage casing 1 rectangular hole, becomes an organic whole.

Example 6

On the basis of embodiment 1 or embodiment 5, in this embodiment, preferably, a communicating pipe 46 is arranged on a side surface of the second oil cylinder 47, a first oil cylinder 45 is arranged at a tail end of the communicating pipe 46, a first piston 44 is arranged in the first oil cylinder 45, and a cross-sectional area of the first piston 44 is smaller than a cross-sectional area of the second piston 48.

The utility model discloses during the use, exert external force F1 through the first piston 44 that is equipped with in to first hydro-cylinder 45, produce pressure in first hydro-cylinder 45 intracavity to reach the rodless chamber in the second hydro-cylinder 47 through communicating pipe 46, make second piston 48 upward movement, produce and be greater than external force F1's packing force F2, make bearing box 3 at 1 rectangular hole of fuselage casing in with fuselage casing 1 zonulae occludens, become an organic whole.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims

1. The utility model provides a high-speed forging press fuselage structure which characterized in that: including fuselage casing (1), fuselage casing (1) is "returning" font structure, and its upper portion central point puts and is equipped with the rectangular hole, be equipped with bearing box (3) in the rectangular hole, bearing box (3) middle part is equipped with two bent axle mounting holes that are parallel to each other, bearing box (3) both ends are the rectangular structure, inlay respectively the rectangular hole top of fuselage casing (1), bearing box (3) lower part both ends with the junction of fuselage casing (1) rectangular hole below is equipped with hold-down mechanism (4), fuselage casing (1) lower part fixedly connected with tie-beam (5).

2. The machine body structure of the high-speed forging press according to claim 1, wherein: the bearing box is characterized in that fasteners (2) are arranged at the joints of the two ends of the upper portion of the bearing box body (3) and the machine body shell (1), the fasteners (2) are double-end bolts and nuts, unthreaded holes are respectively formed in the joints of the upper portion of the machine body shell (1) and the two ends of the upper portion of the bearing box body (3) in the horizontal direction and the vertical direction, and threaded holes are formed in the positions, corresponding to the unthreaded holes, of the bearing box body (3).

3. The machine body structure of the high-speed forging press according to claim 1, wherein: hold-down mechanism (4) are slide wedge formula hold-down mechanism, including last slide wedge (41) and lower slide wedge (42), go up the last plane of slide wedge (41) with the lower terminal surface contact of bearing housing (3), go up the lower inclined plane of slide wedge (41) with the last inclined plane of slide wedge (42) contacts down, the lower plane of slide wedge (42) down with the lower surface of fuselage casing (1) rectangular hole contacts.

4. The machine body structure of the high-speed forging press according to claim 3, wherein: the upper inclined wedge (41) is L-shaped, and a fastening bolt (43) is arranged at the joint of the L-shaped end part and the end part of the lower inclined wedge (42).

5. The high-speed forging press body structure of claim 1, wherein: the pressing mechanism (4) is a hydraulic pressing mechanism and comprises a second oil cylinder (47), a second piston (48) is arranged in the second oil cylinder (47), the bottom of the second oil cylinder (47) is in contact with the lower surface of the rectangular hole of the machine body shell (1), and the top of the second piston (48) is in contact with the lower end face of the bearing box body (3).

6. The machine body structure of the high-speed forging press according to claim 5, wherein: the side of the second oil cylinder (47) is provided with a communicating pipe (46), the tail end of the communicating pipe (46) is provided with a first oil cylinder (45), and a first piston (44) is arranged in the first oil cylinder (45).