CN212443060U

CN212443060U - Horizontal forging press base

Info

Publication number: CN212443060U
Application number: CN202021145794.8U
Authority: CN
Inventors: 姜涛; 李景生
Original assignee: Zhongye Heavy Industry Tangshan Co ltd
Current assignee: Zhongye Heavy Industry Tangshan Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-02-02
Anticipated expiration: 2030-06-19

Abstract

The utility model relates to the field of extruders, and discloses a horizontal forging press base, which comprises a frame and a fixed support, wherein the frame is formed by fixedly connecting two crossbeams and a vertical column positioned between the crossbeams by a pre-tightening mechanism, the fixed support is positioned at the bottom of a first crossbeam, the frame is fixedly connected with the ground by the fixed support, the base also comprises a swing arm support, the swing arm support is arranged at the bottom of a second crossbeam, the swing arm support comprises a bearing seat, a horizontal rotating shaft and a swing arm supporting piece, the top of the bearing seat is fixedly connected with the second crossbeam by a bolt, a horizontal rotating shaft is arranged in the bearing seat, the top of the swing arm supporting piece is fixedly connected with the horizontal rotating shaft, a circular arc plate is fixedly arranged at the bottom of the swing arm supporting piece, the circular arc plate and the horizontal rotating shaft are coaxial, the bottom of the circular arc plate is in rolling connection with the ground, and the horizontal, the stability of the machine body and the service life of the base are improved when the forging press operates.

Description

Horizontal forging press base

Technical Field

The utility model relates to an extruder field especially relates to a horizontal forging press base.

Background

In the prior art, a forging machine tool is a device for metal and mechanical hot working, and comprises a plate bending machine, a plate shearing machine, a punch press, a press machine, a hydraulic machine, an oil press, a bending machine and the like, wherein a large-scale forging press uses oil as a working medium and utilizes different dies to forge and form under the pressure of liquid.

During forging, the oil cylinder applies load to push the movable cross beam to forge the blank, and the reaction force of the oil cylinder caused by the load acts on a frame of the forging press, so that the frame is stretched and deformed. Particularly, the horizontal forging press is more serious, the tensile deformation generates horizontal additional load on the base, the stretching elongation of the frame of the base is larger, the traditional mounting mode of the base of the forging press cannot absorb the additional load acting force generated by the stretching of the frame, the running stability of the horizontal forging press in the forging press process is seriously influenced, the quality of a forging piece is influenced, and the service life of the base of the horizontal forging press is also shortened. These problems remain to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a horizontal forging press base can eliminate the additional load that the horizontal frame tensile deformation produced the base, makes horizontal forging press move stably at the forging and pressing in-process, supports safe and reliable, improves the life of press base.

The utility model discloses a realize through following technical scheme: a horizontal forging press base comprises a frame and a fixed support arranged at the bottom of the frame, wherein the frame is formed by fixedly connecting a first cross beam, a second cross beam and a vertical column positioned between the cross beams through a pre-tightening mechanism, the fixed support is positioned at the bottom of the first cross beam, the frame is fixedly connected with the ground through the fixed support, the base further comprises a plurality of swing arm supports, the swing arm supports are arranged at the bottom of the second cross beam and comprise a bearing seat, a horizontal rotating shaft and a swing arm supporting piece, the top of the bearing seat is fixedly connected with the second cross beam in a threaded connection mode, a horizontal rotating shaft is arranged in the bearing seat, the top of the swing arm supporting piece is fixedly connected with the horizontal rotating shaft, a circular arc-shaped plate is fixedly arranged at the bottom of the swing arm supporting piece and is coaxial with the horizontal rotating shaft, the bottom of the arc-shaped plate is in rolling connection with the ground.

The optimal technical scheme is that a horizontal bottom plate is further arranged between the bottom of the circular arc-shaped plate and the ground, and the plane size of the horizontal bottom plate corresponds to the projection area of the circular arc-shaped plate.

The preferable technical scheme is that the horizontal bottom plate is a rectangular thick steel plate fixedly connected with the ground.

The preferable technical scheme is that the first cross beam and the second cross beam are both in a semi-cylindrical external shape with the cylindrical surfaces facing outwards, and stress steel wires are wound on the outer side surfaces of the first cross beam, the second cross beam and the upright post to form the rack with the pre-tightening mechanism.

Furthermore, the semi-cylindrical surface of the first cross beam, the semi-cylindrical surface of the second cross beam and the outer side surface of the upright post are all provided with steel wire winding grooves.

In the preferred technical scheme, the first cross beam and the second cross beam are both in a semi-cylindrical shape with the cylindrical surfaces facing outwards, and the first cross beam, the second cross beam and the upright post are fixed through a pull rod to form the rack with the pre-tightening mechanism.

The preferable technical scheme is that first bosses facing downwards are arranged at two ends of the stand column, upward second bosses are arranged on the inner vertical surfaces of the first cross beam and the second cross beam, and the first bosses are lapped on the second bosses.

In a further preferred embodiment, the heights of the first boss and the second boss are equal and are half of the thickness of the upright column in the vertical direction.

The bearing seat is of a T-shaped plate welding structure, the bearing seat comprises a bearing seat bottom plate located at the top, and the bearing seat bottom plate is installed at the bottom of the second cross beam through bolts.

In addition, the preferred technical scheme is that swing arm support piece welds the wallboard along the axis direction of rotation, follows the circumferencial direction welding fan-shaped floor of pivot, the wallboard with the pivot of fan-shaped floor's upper end welding both ends area shaft shoulder, lower extreme welding arc shape board.

The beneficial effects are that: compared with the prior art, the utility model discloses a roll connection between the bottom of circular arc shaped plate and the ground eliminates the horizontal additional load that the flexible deformation of frame of horizontal forging press produced the base, supports through the cooperation of unable adjustment base with the swing arm support, realizes fuselage working process along the fore-and-aft free displacement at stand place, the stability of frame and the life of base when improving the forging press operation.

Drawings

The following detailed description of embodiments of the invention is provided in conjunction with the accompanying drawings, in which:

fig. 1 is a schematic front view of an embodiment of the present invention;

fig. 2 is an isometric view of a frame in an embodiment of the invention;

FIG. 3 is a bottom view of FIG. 1;

FIG. 4 is an isometric view of a swing arm support supported above a horizontal base plate in an embodiment of the present invention;

wherein the reference numerals are:

1. a frame; 2. a fixed support; 11. a first cross member; 111. a second boss; 112. a steel wire winding groove; 12. a second cross member; 13. a column; 131. a first boss; 3. A swing arm support; 31. a bearing seat; 311. a bearing block base plate; 32. a horizontal rotating shaft; 33. a swing arm support; 331. wall plates; 332. a fan-shaped rib plate; 34. a circular arc plate; 4. a horizontal floor.

Detailed Description

As shown in fig. 1-4, assuming the coordinates as shown, the X-axis: represents the longitudinal direction along the upright 13, i.e. the length direction of the upright 13; y-axis: represents an axial direction perpendicular to the upright 13, i.e. the horizontal rotation axis 32; z-axis: the up and down directions are indicated. The assumption of direction is for convenience of illustration of the embodiment, and is not a limitation to the scope of the present invention.

As shown in fig. 1-4, a horizontal forging press base includes a frame 1 and 2 fixed supports 2 disposed at the bottom of the frame 1, where the frame 1 is a rigid body formed by fixedly connecting a first beam 11, a second beam 12 and a plurality of longitudinal columns 13 located between the beams by a pre-tightening mechanism, the fixed supports 2 are located at the bottom of the first beam 11, the frame 1 is fixedly connected with the ground through the fixed supports 2, the fixed supports 2 are in the range of the prior art, and the shape and the connection mode thereof are not described again.

The base further comprises 1 swing arm support 3, the swing arm support 3 is arranged at the bottom of the second cross beam 12, the swing arm support 3 comprises a bearing seat 31, a horizontal rotating shaft 32 and a swing arm support 33, the bearing seat 31 is of a T-shaped plate welding structure, the bearing seat 31 comprises a bearing seat bottom plate 311 positioned at the top, the bearing seat bottom plate 311 is installed at the bottom of the second cross beam 12 through bolts, and the bearing seat 31 is internally provided with the horizontal rotating shaft 32; the top of swing arm support piece 33 with horizontal rotating shaft 32 links firmly, horizontal rotating shaft 32's radius is R1, swing arm support piece 33's bottom welding has circular arc shaped plate 34, circular arc shaped plate 34's bottom radius is R2, circular arc shaped plate 34 with horizontal rotating shaft 32 is with the axle center coincidence promptly of R1 and R2, roll connection between circular arc shaped plate 34's bottom and the ground. Swing arm support 33 is placed vertically above ground, and wallboard 331 on swing arm support 33 is perpendicular with the ground benchmark, under the horizontal prerequisite of frame 1, adjusts the position elevation on ground, makes it be located swing arm support 33 under and closely laminate rather than circular arc shaped plate 34 and bear fuselage gravity load. When the machine frame 1 extends and contracts along the longitudinal direction of the upright post 13, the swing arm support 33 is in rolling connection with the ground around the axis of the horizontal rotating shaft 32 at the bottom, and the rolling radius is always a fixed value R2, so that the second cross beam 12 and the whole machine frame 1 are kept to horizontally move along the longitudinal direction (to the right or to the left as shown in FIG. 1) under the support of the swing arm support 3, and vertical displacement is not generated, so that the machine frame 1 is kept at a consistent horizontal height, and the working stability of the forging press is ensured.

In the embodiment, the bottom of the circular arc-shaped plate 34 is in rolling connection with the ground, so that the horizontal additional load generated on the base by the telescopic deformation of the frame 1 of the horizontal forging press is eliminated, the vertical free displacement of the machine body along the upright column 13 in the working process is realized through the matched support of the fixed base and the swing arm support 3, and the stability of the frame 1 during the operation of the forging press and the service life of the base are improved.

The other embodiment is different from the above embodiments in that when the tonnage of the forging press is larger, the number of the swing arm supports 3 can be more than or equal to 2, and the horizontal rotating shafts 32 are parallel to each other or coaxially arranged.

As shown in fig. 4, the swing arm support 33 is welded with a wall plate 331 along the rotation axis direction, a fan-shaped rib plate 332 along the circumferential direction of the rotation axis, the wall plate 331 and the upper end of the fan-shaped rib plate 332 are welded with a rotation axis having shoulders at both ends, and the lower end is welded with an arc-shaped plate 34.

As shown in fig. 1, 3, 4, still be equipped with horizontal bottom plate 4 between circular arc 34 bottom and the ground, horizontal bottom plate 4's planar dimension with circular arc 34's projection area is corresponding, and horizontal bottom plate 4 can adjust the position elevation on ground except that, makes it be located swing arm support piece 33 under and closely laminate with its circular arc 34 and bear the weight load of frame 1, can also replace ground and keep better support intensity, avoids ground to suffer to destroy and influence the stable effect of support.

The preferred embodiment is that the horizontal bottom plate 4 is a rectangular thick steel plate fixedly connected with the ground, and after the embedded foundation of the ground needs to be leveled and aligned, the horizontal bottom plate 4 and the embedded foundation are welded and fixed.

As shown in fig. 1 and 2, the first cross beam 11 and the second cross beam 12 are both semi-cylindrical outer shapes, the rigidity of the semi-cylindrical outer shapes is large, the cylindrical surface of the first cross beam 11 positioned on the left side faces to the left, the cylindrical surface of the second cross beam 12 positioned on the right side faces to the right, stress steel wires are wound on the outer side surfaces of the first cross beam 11, the second cross beam 12 and the upright post 13 to form the frame 1 with the pre-tightening mechanism, and the frame 1 is a rigid body. Wherein, two crossbeams are the crossbeam of the semicircle appearance that utilizes the steel sheet to weld into inside to add the muscle, and stand 13 is the box structure that utilizes the steel sheet to weld into certain length, and stand 13 both ends are sealed with thick steel plate. The gravity load of the upright column 13 is transmitted to the ground or a foundation fixed on the ground through the fixed support 2 below the first cross beam 11 and the swing arm support 3 below the second cross beam 12, and a support base does not need to be arranged independently. In the working process of the forging press, the first cross beam 11 is fixed by the fixing support 2, the rigidity of the first cross beam 11 and the second cross beam 12 is higher than that of the upright column 13, the longitudinal expansion of the upright column 13 causes the longitudinal expansion displacement of the second cross beam 12 along the upright column 13, the transverse bending of the upright column 13 is offset due to symmetry, and no additional load is generated on the base.

In a further embodiment, the semi-cylindrical surface of the first beam 11, the semi-cylindrical surface of the second beam 12, and the outer side surface of the column 13 are all provided with a steel wire winding groove 112, that is, the top and the bottom of the outer peripheral surfaces of the two beams and the column 13 are respectively provided with a protrusion or a rib for forming the steel wire winding groove 112 to prevent the steel wire from being separated from the outer peripheral surface thereof.

Or, the first beam 11 and the second beam 12 are both in a semi-cylindrical shape with the cylindrical surface facing outwards, the first beam 11, the second beam 12 and the upright 13 are fixed by a pull rod to form the frame 1 with the pre-tightening mechanism, and the pull rod fixing mode belongs to the content of the prior art and is not repeated.

As shown in fig. 1 and 2, a first downward boss 131 is disposed at one end of the upright 13 connected to the first cross beam 11, a first downward boss 131 is disposed at the other end of the upright 13 connected to the second cross beam 12, and correspondingly, second upward bosses 111 are disposed on the inner vertical surfaces of the first cross beam 11 and the second cross beam 12, and the first boss 131 is lapped on the second boss 111 to form an effective support for the upright 13.

In a further embodiment, the height H1 of the first boss 131 is equal to the height H2 of the second boss 111, and is half of the vertical thickness H of the pillar 13.

The present invention is not limited to the use of a horizontal forging press base, and is also applicable to the installation of other bases having a horizontal displacement heavy device.

The above embodiments are not limited to the technical solutions of the embodiments themselves, and the embodiments may be combined with each other into a new embodiment. The above embodiments are only used for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered by the scope of the technical solutions of the present invention.

Claims

1. A horizontal forging press base comprises a frame and a fixed support arranged at the bottom of the frame, wherein the frame is formed by fixedly connecting a first cross beam, a second cross beam and a vertical column positioned between the cross beams through a pre-tightening mechanism, the fixed support is positioned at the bottom of the first cross beam, the frame is fixedly connected with the ground through the fixed support, the horizontal forging press base is characterized by further comprising a plurality of swing arm supports, the swing arm supports are arranged at the bottom of the second cross beam and comprise a bearing seat, a horizontal rotating shaft and a swing arm support piece, the top of the bearing seat is fixedly connected with the second cross beam through a threaded connection mode, a transverse horizontal rotating shaft is arranged in the bearing seat, the top of the swing arm support piece is fixedly connected with the horizontal rotating shaft, a circular arc-shaped plate is fixedly arranged at the bottom of the swing arm support piece, and the circular arc-shaped plate and the horizontal rotating shaft are coaxial, the bottom of the arc-shaped plate is in rolling connection with the ground.

2. The horizontal forging press base as claimed in claim 1, wherein a horizontal bottom plate is further provided between the bottom of the circular arc plate and the ground, and the plane size of the horizontal bottom plate corresponds to the projected area of the circular arc plate.

3. The horizontal forging press base of claim 2, wherein the horizontal base plate is a rectangular thick steel plate secured to the ground.

4. The horizontal forging press base as claimed in claim 1, wherein the first and second beams are semi-cylindrical and have outward cylindrical surfaces, and outer side surfaces of the first and second beams and the vertical column are wound with stress steel wires to form the frame with the pre-tightening mechanism.

5. The horizontal forging press base of claim 4, wherein the semi-cylindrical surface of the first beam, the semi-cylindrical surface of the second beam, and the outer side surface of the upright are provided with steel wire winding grooves.

6. The horizontal forging press base of claim 1, wherein the first beam and the second beam are both semi-cylindrical shapes with outward cylindrical surfaces, and the first beam, the second beam and the upright are fixed by a pull rod to form the frame with the pre-tightening mechanism.

7. The horizontal forging press base as claimed in claim 1, wherein the upright column is provided at both ends thereof with first bosses facing downward, the first beam and the second beam are provided at inner vertical surfaces thereof with second bosses facing upward, and the first bosses are overlapped with the second bosses.

8. The horizontal forging press base of claim 7, wherein the first and second bosses are equal in height and are each half the thickness of the vertical column in the up-down direction.

9. The horizontal forging press base of any one of claims 1 to 8, wherein the bearing housing is of a T-shaped plate welded construction, the bearing housing including a housing bottom plate at the top, the housing bottom plate being mounted to the bottom of the second beam by bolts.

10. The horizontal forging press base according to any one of claims 1 to 8, wherein the swing arm supporting member is welded with a wall plate along a rotation axis direction, a fan-shaped rib plate is welded along a circumferential direction of the rotation shaft, the wall plate is welded with the rotation shaft with shoulders at both ends and an arc-shaped plate is welded at the lower end of the fan-shaped rib plate.