Novel casting type structure lower cross beam

Abstract

The utility model discloses a novel lower cross beam with a casting type structure, which comprises a lower panel and an upper panel, wherein the upper panel is arranged above the lower panel, and triangular bosses are processed on the two sides of the upper panel along the length direction; transverse rib plates are arranged on the two sides, in the length direction, between the upper face plate and the lower face plate respectively. A middle longitudinal rib plate is arranged between the transverse rib plates along the middle, and end longitudinal rib plates are arranged at the two ends. A steel plate is combined in the middle area of the upper panel through a plurality of second key grooves, screw holes and bolts, a pair of short edges, in the width direction, of the steel plate are parallel to a group of collar edges of the triangular bosses on the two sides of the upper panel, and first through holes coincident with the central axis of the upper panel are symmetrically formed in the two ends of the steel plate; on the premise that the strength and rigidity of the lower cross beam are guaranteed, the casting structure for casting the lower cross beam is simplified, a casting model is easier to manufacture, the amount of molten steel needed in pouring is reduced, the weight of a single casting is reduced, the casting period is shortened, and lower cross beam casting is more economical.

Description

Technical Field

[0001] The utility model relates to the technical field of forging equipment, in particular to a new type of casting structure lower cross beam. Background Art

[0002] With the increasing demand for large forgings in the petrochemical, aerospace, shipbuilding, nuclear power, heavy machinery and other industries at home and abroad, the development of high-precision intelligent forging equipment has become an important indicator to measure a country's comprehensive national strength, and fast forging equipment is indispensable in the automated production process of the forging industry. During the forging process, the frame is the main force-applying and force-bearing component of the forging process. At present, the lower crossbeam of the double-column inclined casting structure has a complex structural design and is a double-box combination structure. The upper and lower panels and rib plates are arranged with a triangular convex structure, which not only brings difficulties and challenges to multiple casting links such as wooden mold manufacturing and pouring, but also this double-box combination structure is heavy, the casting and processing costs are high, and the production cycle is long. Utility Model Content

[0003] The utility model aims to provide a new type of casting structure lower cross beam to solve the problems raised in the background technology.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] A new type of cast structure lower cross beam, comprising a lower panel of rectangular structure and an upper panel arranged above the lower panel and having triangular bosses processed on both sides along the length direction, a transverse rib plate is respectively arranged on both sides along the length direction between the upper panel and the lower panel, an intermediate longitudinal rib plate is arranged along the middle between the transverse rib plates on both sides, and end longitudinal rib plates are arranged at both ends;

[0006] The middle area of ​​the upper panel is provided with a steel plate with a rectangular structure by means of several second keyways and screw holes, wherein a pair of short sides of the steel plate with the rectangular structure in the width direction are parallel to a group of collar edges of the triangular bosses on both sides of the upper panel, and first through holes coinciding with the central axis of the upper panel are symmetrically arranged at both ends of the steel plate, and a first keyway is arranged on one side of the first through hole; and a third keyway is arranged along the outer side of the short side of the steel plate;

[0007] Both ends of the bottom of the lower panel are provided with anchor bolt connection ear seats fixed to the foundation by T-head anchor bolts, and a pull rod hole penetrating the upper panel and the lower panel is provided above the anchor bolt connection ear seats.

[0008] Preferably, a plurality of second through holes are provided on the lower panel.

[0009] Preferably, the upper panel, the lower panel and the middle rib plate form a rectangular box structure.

[0010] Preferably, the pull rod holes are arranged symmetrically on the central axis of the upper panel.

[0011] Preferably, a return cylinder ear seat is provided on the outer side of the end longitudinal rib plate.

[0012] The utility model is mainly formed by integrally casting an upper panel, a lower panel, a transverse rib plate, an intermediate longitudinal rib plate, an end longitudinal rib plate, a return cylinder ear seat and an anchor bolt connecting ear seat.

[0013] The first through hole and the second through hole are used to fix the casting core rod and to remove sand after casting. After the casting, heat treatment and machining of the lower cross beam are completed, the steel plate is fastened to the upper panel through the second keyway and screw hole in the middle area of ​​the upper panel with keys and screws, and the steel plate and the upper panel together form the combined upper panel of the lower cross beam.

[0014] During installation, place the lower beam at an angle of 30° to 35°, and connect the lower beam to the foundation through the T-head anchor bolts. The first keyway is connected to the horizontal anvil frame through the key and screws, and the third keyway is connected to the left and right brackets of the mobile workbench through the key and screws. The return cylinder ear is used to connect the return cylinder flange.

[0015] The beneficial effects of the utility model are:

[0016] The utility model simplifies the casting structure of the lower cross beam while ensuring the strength and rigidity of the cast lower cross beam, makes it easier to make a casting model, reduces the amount of molten steel required for pouring, reduces the weight of a single casting, shortens the casting cycle, and makes the casting of the lower cross beam more economical. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a top view of the utility model;

[0018] Figure 2 It is a bottom view of the utility model;

[0019] Figure 3 It is a cross-sectional view of the utility model;

[0020] In the figure: 1-upper panel; 2-lower panel; 3-transverse rib plate; 4-middle longitudinal rib plate; 5-end longitudinal rib plate; 6-pull rod hole; 7-return cylinder ear seat; 8-anchor bolt connecting ear seat; 9-first keyway; 10-second keyway; 11-third keyway; 12-screw hole; 13-first through hole; 14-second through hole, 15-steel plate. DETAILED DESCRIPTION

[0021] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0022] like Figure 1A new type of cast structure lower cross beam shown in the figure comprises a lower panel 2 of rectangular structure and an upper panel 1 which is arranged above the lower panel 2 and has triangular bosses on both sides along the length direction. A transverse rib plate 3 is respectively arranged on both sides along the length direction between the upper panel 1 and the lower panel 2, and an intermediate longitudinal rib plate 4 is arranged along the middle part between the transverse rib plates 3 on both sides, and end longitudinal rib plates 5 are arranged at both ends; a rectangular steel plate 15 is bolted together in the middle area of ​​the upper panel 1 through several second keyways 10 and screw holes 12 opened, a pair of short sides of the rectangular steel plate 15 along the width direction are parallel to a group of collar edges of the triangular bosses on both sides of the upper panel 1, and first through holes 13 coinciding with the central axis of the upper panel 1 are symmetrically arranged at both ends of the steel plate 15, and a first keyway 9 is arranged on one side of the first through hole 13; a third keyway 11 is arranged along the outer side of the short side of the steel plate 15; anchor bolt connecting ear seats 8 fixed to the foundation by T-head anchor bolts are arranged at both ends of the bottom of the lower panel 2, and a pull rod hole 6 passing through the upper panel 1 and the lower panel 2 is arranged above the anchor bolt connecting ear seat 8.

[0023] Preferably, a plurality of second through holes 14 are provided on the lower panel 2 .

[0024] Preferably, the upper panel 1, the lower panel 2 and the middle rib plate form a rectangular box structure.

[0025] Preferably, the pull rod hole 6 is arranged symmetrically to the central axis of the upper panel 1.

[0026] Preferably, a return cylinder ear seat 7 is provided on the outer side of the end longitudinal rib plate 5 .

[0027] The utility model is mainly formed by integrally casting an upper panel 1, a lower panel 2, a transverse rib plate 3, an intermediate longitudinal rib plate 4, an end longitudinal rib plate 5, a return cylinder ear seat 8 and an anchor bolt connecting ear seat 9.

[0028] The first through hole 13 and the second through hole 14 are used to fix the casting core rod and to remove sand after casting. After the casting, heat treatment and machining of the lower cross beam are completed, the steel plate 15 is fastened to the upper panel 1 through the second keyway 10 and the screw hole 12 in the middle area of ​​the upper panel 1 by using keys and screws. The steel plate 15 and the upper panel 1 together form the combined upper panel of the lower cross beam.

[0029] During installation, the lower beam is placed at an angle of 30° to 35°, and the anchor bolt connection ear seat 9 connects the lower beam to the foundation through the T-head anchor bolt. The first keyway 9 is connected to the horizontal anvil frame through the key and screw, and the third keyway 11 is connected to the left and right brackets of the mobile workbench through the key and screw. The return cylinder ear seat 8 is used to connect the return cylinder flange.

[0030] The utility model simplifies the casting structure of the lower cross beam while ensuring the strength and rigidity of the cast lower cross beam, makes it easier to make a casting model, reduces the amount of molten steel required for pouring, reduces the weight of a single casting, shortens the casting cycle, and makes the casting of the lower cross beam more economical.

[0031] The above are only preferred examples of the present invention. It should be pointed out that for ordinary technicians in this field, under the technical inspiration provided by the present invention, as common knowledge in the mechanical field, other equivalent variations and improvements can be made, which should also be regarded as the protection scope of the present invention.

Claims

1. A new type of cast structure lower cross beam, characterized by: It comprises a lower panel (2) of a rectangular structure and an upper panel (1) arranged above the lower panel (2) and having triangular bosses processed on both sides along the length direction, a transverse rib plate (3) is respectively arranged on both sides along the length direction between the upper panel (1) and the lower panel (2), and an intermediate longitudinal rib plate (4) is arranged along the middle between the transverse rib plates (3) on both sides, and end longitudinal rib plates (5) are arranged at both ends; The middle area of ​​the upper panel (1) is bolted with a rectangular steel plate (15) through a plurality of second keyways (10) and screw holes (12) provided therein, wherein a pair of short sides of the rectangular steel plate (15) along the width direction are parallel to a group of collar edges of the triangular bosses on both sides of the upper panel (1), and first through holes (13) coinciding with the central axis of the upper panel (1) are symmetrically provided at both ends of the steel plate (15), and a first keyway (9) is provided on one side of the first through hole (13); and a third keyway (11) is provided along the outer side of the short side of the steel plate (15); Both ends of the bottom of the lower panel (2) are provided with anchor bolt connection ear seats (8) fixed to the foundation by means of T-head anchor bolts, and above the anchor bolt connection ear seats (8) are provided with tie rod holes (6) penetrating the upper panel (1) and the lower panel (2).

2. The novel casting structure lower cross beam according to claim 1 is characterized in that: The lower panel (2) is provided with a plurality of second through holes (14).

3. A new type of cast structure lower cross beam according to claim 1 or 2, characterized in that: The upper panel (1), the lower panel (2) and the middle rib plate form a rectangular box structure.

4. The novel casting structure lower cross beam according to claim 3 is characterized in that: The pull rod hole (6) is arranged symmetrically with respect to the central axis of the upper panel (1).

5. The novel casting structure lower cross beam according to claim 4 is characterized in that: A return cylinder ear seat (7) is provided on the outer side of the end longitudinal rib plate (5).

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