CN212863903U

CN212863903U - Portal frame that can level upset

Info

Publication number: CN212863903U
Application number: CN202021723399.3U
Authority: CN
Inventors: 胡保涛
Original assignee: Qingdao North Torch Machine Co ltd
Current assignee: Qingdao North Torch Machine Co ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-04-02
Anticipated expiration: 2030-08-17

Abstract

The utility model discloses a portal frame that can level upset relates to portal frame technical field, and the U-shaped structure of portal frame for invering, two hoist mechanism install respectively at the longmen tie-beam that is located the portal frame top inboard to run through the longmen stand inboard to the portal frame in the portal frame, two stop device establish respectively in the below of two hoist mechanism, and upset frame fixed mounting in tilting mechanism is on the promotion screw in hoist mechanism, the utility model discloses, when realizing that the work piece promotes, can also realize automatic upset, need not artifical upset, press from both sides tight work piece through fixture among tilting mechanism, realize the upset action of work piece under the drive of upset pneumatic cylinder, when having reduced workman's work load, improved work efficiency, safe and reliable, the flexibility is high, has good economic benefits.

Description

Portal frame that can level upset

Technical Field

The utility model relates to a portal frame technical field, in particular to but portal frame of level upset.

Background

The portal frame is widely known and applied as important equipment for daily production, such as carrying equipment, warehouse goods feeding and discharging, hoisting and maintaining heavy equipment and material transportation, however, the traditional portal frame only can lift and drop a hoisting workpiece, has relatively single function, and particularly needs manual overturning and carrying for some heavy workpieces and equipment needing to be overturned, and has relatively difficult construction adjustment, low efficiency and high overturning risk due to large volume.

SUMMERY OF THE UTILITY MODEL

The utility model provides a portal frame that can level upset relates to portal frame technical field, can solve above-mentioned problem effectively, convenient to use, and is safe high-efficient.

The concrete technical scheme is that but portal frame of horizontal upset includes: the gantry type lifting device comprises a gantry frame, a limiting device, a lifting mechanism and a turnover mechanism.

The two lifting mechanisms are respectively arranged on the inner side of a gantry connecting beam positioned at the top of the gantry frame and penetrate through the inner side of a gantry upright post in the gantry frame, the two limiting devices are respectively arranged below the two lifting mechanisms, and a turnover frame in the turnover mechanism is fixedly arranged on a lifting screw nut in the lifting mechanism.

Further, the lifting mechanism further comprises: the lifting mechanism comprises lifting motors and lifting screws, wherein the two lifting motors are fixedly arranged on the inner side of the gantry connecting beam positioned at the top end of the gantry upright post respectively, the output ends of the lifting motors are connected with the end parts of the lifting screws, and the lifting nuts can radially slide relative to the lifting screws through threads.

Further, tilting mechanism still includes: upset back shaft, upset bracing piece, upset pneumatic cylinder and fixture, two the upset back shaft is established respectively the inboard of upset frame bottom, the upset bracing piece is established the relative side of upset frame, and pass through the upset back shaft rotates to be connected, the upset pneumatic cylinder is established upset crossbeam both sides in the upset frame, and rather than rotating to be connected, the hydraulic stem of upset pneumatic cylinder with fixture rotates to be connected.

Further, the clamping mechanism includes: the clamping mechanism comprises a clamping motor, workpiece hooks and a cross supporting rod, wherein the cross supporting rod is rotatably connected to the end portion of a hydraulic rod of the turnover hydraulic cylinder, the workpiece hooks are fixedly installed at four end portions of the cross support respectively, and the output end of the clamping motor is connected with the workpiece hooks.

In one embodiment, when the machine tool is in use, after the system receives a turning instruction, four sets of workpiece hooks automatically fall down and are fixed on a workpiece, the clamping motor is started, the workpiece hooks can firmly clamp the workpiece through the clamping motor, after the workpiece is clamped, the lifting motor is started, and the lifting mechanism lifts the turnover mechanism and the workpiece to be turned up together to be separated from the ground to a certain height so as to prevent the workpiece from colliding with the ground during turning.

In the overturning process, the overturning hydraulic cylinder drives the workpiece and the clamping mechanism to overturn by taking the overturning supporting shaft as a center, after the overturning work is completed, the lifting motor rotates reversely to drive the whole overturning mechanism and the workpiece to descend, the workpiece is safely put back to the ground, and the clamping motor is loosened to enable the workpiece hook claw to be loosened to complete one-time overturning action.

Due to the adoption of the technical scheme, compared with the prior art, the device can realize automatic turnover while realizing workpiece lifting, does not need manual turnover, clamps a workpiece through a clamping mechanism in the turnover mechanism, realizes turnover action of the workpiece under the driving of a turnover hydraulic cylinder, reduces the workload of workers, improves the working efficiency, is safe and reliable, has high flexibility and good economic benefit.

Drawings

FIG. 1 is a schematic view of a first view angle of a horizontally tiltable portal frame;

FIG. 2 is a schematic structural view of the lifting mechanism and the turning mechanism of the present invention;

fig. 3 is a schematic structural diagram of a second viewing angle of the present invention.

Description of reference numerals:

1. a gantry frame, 2, a limiting device, 3, a lifting mechanism, 4 and a turnover mechanism,

11. a gantry upright post 12, a gantry connecting beam,

31. a lifting motor 32, a lifting screw rod 33, a lifting screw nut,

41. a turnover frame 42, a turnover support shaft 43, a turnover support rod 44, a turnover hydraulic cylinder 45 and a clamping mechanism,

411. the cross beam is turned over, and the cross beam is turned over,

451. a clamping motor 452, a workpiece claw 453 and a cross support rod.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings and examples:

it should be noted that the structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy that the present invention can produce and the purpose that the present invention can achieve.

Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Example (b): referring to fig. 1 to 3, a gantry capable of being horizontally turned comprises: the device comprises a gantry frame 1, a limiting device 2, a lifting mechanism 3 and a turnover mechanism 4.

The two lifting mechanisms 3 are respectively arranged on the inner side of a gantry connecting beam 12 positioned at the top of the gantry frame 1 and penetrate through the inner side of a gantry upright post 11 in the gantry frame 1, the two limiting devices 2 are respectively arranged below the two lifting mechanisms 3, and a turnover frame 41 in the turnover mechanism 4 is fixedly arranged on a lifting screw nut 33 in the lifting mechanism 3.

Further, the lifting mechanism 3 further includes: the lifting mechanism comprises a lifting motor 31 and a lifting screw rod 32, wherein the two lifting motors 31 are respectively and fixedly installed on the inner side of a gantry connecting beam 12 positioned at the top end of a gantry upright post 11, the output end of the lifting motor 31 is connected with the end part of the lifting screw rod 32, and a lifting screw nut 33 can radially slide relative to the lifting screw rod 32 through threads.

Further, turnover mechanism 4 still includes: upset support shaft 42, upset bracing piece 43, upset pneumatic cylinder 44 and fixture 45, two upset support shafts 42 are established respectively in the inboard of upset frame 41 bottom, and upset bracing piece 43 is established in the relative side of upset frame 41 to rotate through upset support shaft 42 and connect, and upset pneumatic cylinder 44 is established in upset frame 41 upset crossbeam 411 both sides, and rotates with it and is connected, and upset pneumatic cylinder 44's hydraulic stem rotates with fixture 45 and is connected.

Further, the chucking mechanism 45 includes: the clamping mechanism comprises a clamping motor 451, workpiece hooks 452 and a cross support rod 453, wherein the cross support rod 453 is rotatably connected to the end portion of a hydraulic rod of the overturning hydraulic cylinder 44, the workpiece hooks 452 are fixedly installed at the four end portions of the cross support rod 453 respectively, and the output end of the clamping motor 451 is connected with the workpiece hooks 452.

The working principle of the utility model is as follows: when the machine tool is in use, after the system receives a turning instruction, four sets of workpiece hooks 452 automatically fall and are fixed on a workpiece, the clamping motor 451 is started, the workpiece hooks 452 can firmly clamp the workpiece through the clamping motor 451, the lifting motor 31 is started after the workpiece is clamped, and the lifting mechanism 3 lifts the turning mechanism 4 and the workpiece to be turned up together to be separated from the ground to a certain height so as to prevent the workpiece from colliding with the ground in the turning process.

In the overturning process, the overturning hydraulic cylinder 44 drives the workpiece and the clamping mechanism 45 to overturn by taking the overturning supporting shaft 42 as a center, after the overturning operation is completed, the lifting motor 31 rotates reversely to drive the whole overturning mechanism 4 and the workpiece to descend, the workpiece is safely put back to the ground, and the clamping motor 451 is loosened to loosen the workpiece hook 452, so that one overturning operation is completed.

Claims

1. A portal frame capable of being horizontally overturned is characterized by comprising: the device comprises a gantry frame (1), a limiting device (2), a lifting mechanism (3) and a turnover mechanism (4);

the two lifting mechanisms (3) are respectively arranged on the inner side of a gantry connecting beam (12) positioned at the top of the gantry frame (1) and penetrate through the inner side of a gantry upright post (11) in the gantry frame (1), the two limiting devices (2) are respectively arranged below the two lifting mechanisms (3), and a turnover frame (41) in the turnover mechanism (4) is fixedly arranged on a lifting screw nut (33) in the lifting mechanism (3).

2. A gantry capable of being horizontally turned according to claim 1, characterized in that said lifting mechanism (3) further comprises: the lifting mechanism comprises lifting motors (31) and lifting screw rods (32), wherein the two lifting motors (31) are fixedly installed on the inner side of the gantry connecting beam (12) positioned at the top end of the gantry upright post (11) respectively, the output ends of the lifting motors (31) are connected with the end parts of the lifting screw rods (32), and the lifting screw nuts (33) can slide relative to the lifting screw rods (32) in the radial direction through threads.

3. A gantry capable of horizontally overturning according to claim 1, wherein said overturning mechanism (4) further comprises: upset back shaft (42), upset bracing piece (43), upset pneumatic cylinder (44) and fixture (45), two establish respectively upset back shaft (42) the inboard of upset frame (41) bottom, establish upset bracing piece (43) the relative side of upset frame (41), and pass through upset back shaft (42) rotate to be connected, upset pneumatic cylinder (44) are established upset crossbeam (411) both sides in upset frame (41) to rotate rather than being connected, the hydraulic stem of upset pneumatic cylinder (44) with fixture (45) rotate to be connected.

4. A gantry capable of being horizontally turned according to claim 3, wherein the clamping mechanism (45) comprises: the clamping mechanism comprises a clamping motor (451), workpiece hooks (452) and a cross support rod (453), wherein the cross support rod (453) is rotatably connected to the end portion of a hydraulic rod of the overturning hydraulic cylinder (44), the workpiece hooks (452) are fixedly installed at four end portions of the cross support rod (453) respectively, and the output end of the clamping motor (451) is connected with the workpiece hooks (452).