CN219582231U

CN219582231U - Automatic centering, positioning and clamping device for profile steel center sill

Info

Publication number: CN219582231U
Application number: CN202320533274.1U
Authority: CN
Inventors: 罗雀林; 管洪严; 朱正斌; 刘小毅
Original assignee: Zhuzhou Guoyi Industrial Co ltd
Current assignee: Zhuzhou Guoyi Industrial Co ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-08-25
Anticipated expiration: 2033-03-17

Abstract

The utility model discloses an automatic centering, positioning and clamping device for a section steel center sill, which comprises a base, wherein a centering mechanism for automatically centering the center sill in the width direction is arranged on the base, the centering mechanism comprises a centering seat arranged below the center sill and vertical seats arranged on two opposite sides of the center sill, centering rollers are arranged on the inner side walls of the vertical seats, an upper positioning plate is fixedly arranged on the top of the vertical seats, the bottom of the vertical seats is in sliding connection with the centering seat, a driving mechanism for driving the two vertical seats to be mutually far away or close is arranged on the centering seat, and a supporting part and a jacking part for supporting the center sill are also arranged on the base, and the jacking part jacks the center sill to the upper positioning plate to vertically position and clamp the center sill. The utility model has the advantages of simple and compact structure, large bearing capacity, stability, reliability and the like; the supporting wheel is adopted to bear force, and the middle beam can move freely in the width direction, so that the adjustment is more convenient and easier, and the workpiece is not damaged.

Description

Automatic centering, positioning and clamping device for profile steel center sill

Technical Field

The utility model relates to the technical field of section steel processing, in particular to an automatic centering, positioning and clamping device for a section steel center sill.

Background

The middle beam of the railway wagon is a main stressed part of the wagon body and comprises a plurality of structural forms such as steel B, steel hat, steel I-shaped steel fish bellies and the like; according to the needs, offer a plurality of through-holes on the roof beam frame, mainly include the preceding slave plate of roof beam, back slave plate, go up the bolt connection hole of heart dish riveting hole and hook layer board, and when the roof beam drilling is processed to the centre, must carry out centering and location clamp to it, but current centering location clamp device structure is comparatively complicated, centering location operation is inconvenient, damages the work piece easily.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides the automatic centering, positioning and clamping device for the profile steel center sill, which can solve the problems of complex structure, inconvenient centering and positioning operation, easy workpiece damage and the like of the centering, positioning and clamping device in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a shaped steel center sill automatic centering positioning clamping device, includes the base, be equipped with the centering mechanism that carries out automatic centering to the center sill in width direction on the base, centering mechanism is including setting up the centering seat in the center sill below and setting up the upright seat at two contralateral sides of center sill, the centering roller has been installed to the upright seat inside wall, the locating plate has been set firmly at the upright seat top, upright seat bottom and centering seat sliding connection, install the actuating mechanism that drive both stands kept away from each other simultaneously or are close to on the centering seat, still be equipped with bearing piece and jacking piece that are used for bearing the center sill on the base, jacking piece is with center sill top to the locating plate make its vertical positioning and clamp.

As a further improvement of the above technical scheme:

the driving mechanism comprises a power piece and a transmission piece, wherein the power piece is a centering oil cylinder, the power piece is connected with one of the vertical seats, the power piece drives the vertical seats connected with the power piece to move along the width direction of the middle beam, the transmission piece is connected between the two vertical seats, and the transmission piece enables the two vertical seats to be far away from or close to each other at the same time.

The transmission piece comprises a transmission seat, a first rack, a second rack and a gear, wherein the transmission seat is arranged on a centering seat below the middle beam, an installation cavity is formed in the transmission seat, the gear rotates with the upper wall and the lower wall of the installation cavity, the first rack and the second rack are respectively arranged on two sides of the gear, the first rack and the second rack are respectively connected with standing seats on two sides, and the first rack and the second rack are meshed with the gear.

The sections of the first rack and the second rack are cylindrical structures, and the first rack and the second rack are in sliding connection with the transmission seat.

Copper sleeves are arranged among the first rack, the second rack and the transmission seat.

The sliding groove is formed in the top of the centering seat along the width direction of the middle beam, and a sliding block is fixedly arranged at the bottom of the vertical seat and is in sliding connection with the sliding groove.

The bottom of the sliding block is fixedly provided with an ear plate, a piston rod of the centering oil cylinder is connected with the ear plate at the bottom of the sliding block at one side of the piston rod, and the first rack and the second rack are respectively connected with the ear plates at two sides.

The bearing piece comprises a bearing seat and two riding wheels, wherein the bearing seat is fixedly arranged on the base, and the riding wheels are arranged on the bearing seat.

The jacking piece is arranged on the supporting seat between the two supporting wheels and is used for jacking the middle beam to the upper positioning plate to vertically position and clamp the middle beam.

The jacking piece comprises a jacking oil cylinder and a jacking plate, the jacking oil cylinder is arranged on the bearing seat, and a piston rod of the jacking oil cylinder is connected with the jacking plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model has the advantages of simple and compact structure, large bearing capacity, stability, reliability and the like.

2. The utility model adopts the riding wheel to bear force, and the middle beam can move freely in the width direction, so that the adjustment is more convenient and easier, and the workpiece is not damaged.

3. The utility model adopts a modularized design to flexibly splice all functional components, and is applicable to different workpieces and different working conditions.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is another directional cross-sectional view of FIG. 1 with the base removed;

FIG. 3 is a cross-sectional view of the centering mechanism in one direction;

FIG. 4 is another directional cross-sectional view of the centering mechanism;

FIG. 5 is a schematic view of a riser and an ear plate;

FIG. 6 is a schematic diagram of a transmission;

FIG. 7 is a schematic view of a jacking and supporting member;

in the figure: 1. a base; 2. a center sill; 3. a centering mechanism; 31. centering seat; 311. a chute; 32. a vertical seat; 321. a slide block; 33. centering rollers; 4. an upper positioning plate; 5. a driving mechanism; 51. a power member; 52. a transmission member; 521. a transmission seat; 522. a first rack; 523. a second rack; 524. a gear; 525. a mounting cavity; 6. a support; 61. a support bracket; 62. a riding wheel; 7. a jacking member; 71. jacking the oil cylinder; 72. a pressing plate; 8. ear plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 7, the automatic centering, positioning and clamping device for the profile steel center sill in this embodiment includes a base 1, a centering mechanism 3 for automatically centering the center sill 2 in the width direction is provided on the base 1, the centering mechanism 3 includes a centering seat 31 provided below the center sill 2 and stand seats 32 provided on two opposite sides of the center sill 2, centering rollers 33 are provided on inner side walls of the stand seats 32, an upper positioning plate 4 is fixedly provided on top of the stand seats 32, bottom of the stand seats 32 is slidably connected with the centering seat 31, a driving mechanism 5 for driving the two stand seats 32 to separate from or approach each other simultaneously is provided on the centering seat 31, a supporting member 6 and a jacking member 7 for supporting the center sill 2 are further provided on the base 1, and the jacking member 7 jacks the center sill 2 to the upper positioning plate 4 to vertically position and clamp.

When the GQ70 type middle beam 2 (short beam) is processed, the middle beam 2 is input into a front-stage station, the middle beam 2 is centered in the width direction and vertically positioned and clamped by the device, and a center plate hole, a hook support plate hole and front and rear Cong Bankong at one end of the middle beam 2 are processed by the end processing system; after the machining is finished, the middle beam 2 is continuously conveyed to a rear-stage station, the centering mechanism 3 and the jacking piece 7 at the other end center and the upper positioning and fixing the middle beam 2, and the end machining system continuously finishes a center plate hole, a hook support plate hole and a front cluster plate hole at the other end of the middle beam 2.

The device is arranged on a T-shaped groove of a movable four-column gantry platform, corresponds to the position between a Cong Ban 4*3 hole group and a 5*3 hole group in front of and behind the center sill, and ensures that the center sill 2 does not generate displacement resonance during hole processing. The bearing piece 6 and the jacking piece 7 are arranged on one side of the centering mechanism 3 along the length direction of the middle beam, and the device has the functions of positioning on the middle beam 2, centering and clamping the middle beam 2 and jacking on the middle beam 2. In the process of conveying the middle beam 2, the stand seats 32 on two sides of the middle beam 2 in the width direction are far away, the centering rollers 33 on two sides are not in contact with the middle beam, the middle beam 2 cannot be prevented from moving in the length direction, when the middle beam 2 moves to a proper position, the middle beam 2 descends and falls on the top of the supporting piece 6, the supporting piece 6 plays a role in supporting the middle beam 2, at the moment, the centering mechanism 3 starts to center the middle beam 2 in the width direction, and the center line of the middle beam 2 coincides with the center line of equipment when a hole is machined in the middle beam 2; during centering, the center sill 2 can freely move in the width direction; after centering is completed, the surfaces of the centering rollers 33 are abutted with the left and right side walls of the middle beam 2, the jacking piece 7 jacks the middle beam 2 up to the upper positioning plate 4, vertical positioning and clamping of the middle beam 2 are completed, and the perpendicularity of the main shaft and each machining surface is ensured to be not more than 0.5mm.

In the process of jacking the middle beam 2 to the upper positioning plate 4 by the jacking piece 7, the middle beam 2 is in rolling connection with the two centering rollers 33, and the workpiece cannot be scratched when the workpiece longitudinally moves.

In this embodiment, the driving mechanism 5 includes a power member 51 and a transmission member 52, the power member 51 is a centering cylinder, the power member 51 is connected with one of the stand seats 32, the power member 51 drives the stand seat 32 connected with the power member to move along the width direction of the center sill 2, the transmission member 52 is connected between the two stand seats 32, and the transmission member 52 makes the two stand seats 32 simultaneously separate from or approach each other. In the design, only one centering oil cylinder is designed to push one side stand 32, and then the other side stand 32 is driven by the transmission piece 52 to synchronously move close to or away from the other side stand 32, and of course, two centering oil cylinders can be designed to simultaneously push the two side stands 32 to move.

In this embodiment, the transmission member 52 includes a transmission seat 521, a first rack 522, a second rack 523 and a gear 524, where the transmission seat 521 is disposed on the centering seat 31 below the center sill 2, the transmission seat 521 is provided with an installation cavity 525, the gear 524 rotates with the upper and lower walls of the installation cavity 525, the first rack 522 and the second rack 523 are respectively disposed on two sides of the gear 524, the first rack 522 and the second rack 523 are respectively connected with the stand 32 on two sides, and the first rack 522 and the second rack 523 are meshed with the gear 524.

In this embodiment, the sections of the first rack 522 and the second rack 523 are cylindrical structures, and the first rack 522 and the second rack 523 are slidably connected with the transmission seat 521.

In this embodiment, copper sleeves are disposed between the first rack 522 and the second rack 523 and the transmission seat 521, so as to ensure that the first rack 522 and the second rack 523 move more smoothly.

In this embodiment, a sliding slot 311 is formed in the top of the centering seat 31 along the width direction of the center sill 2, and a sliding block 321 is fixedly disposed at the bottom of the vertical seat 32, where the sliding block 321 is slidably connected with the sliding slot 311.

In this embodiment, the bottom of the slide block 321 is fixedly provided with the lug plate 8, the piston rod of the centering cylinder is connected with the lug plate 8 at the bottom of one side of the slide block 321, and the first rack 522 and the second rack 523 are respectively connected with the lug plates 8 at two sides. Two lug plates 8 are arranged at the bottom of each sliding block 321, a piston rod of the centering oil cylinder is connected with one lug plate 8, and the first rack 522 or the second rack 523 is connected with the other lug plate 8.

In this embodiment, the supporting member 6 includes a supporting seat 61 and two supporting wheels 62, the supporting seat 61 is fixedly mounted on the base 1, the supporting wheels 62 are mounted on the supporting seat 61, the two supporting wheels 62 are used for supporting the middle beam 2, the bearing capacity is large, and in the centering process, the middle beam 2 can move freely in the width direction, and the middle beam 2 cannot be damaged.

In this embodiment, the jacking member 7 is mounted on the supporting seat 61 between two supporting wheels 62, and is used for jacking the center sill 2 to the upper positioning plate 4 to vertically position and clamp the center sill.

In this embodiment, the jacking member 7 includes a jacking cylinder 71 and a jacking plate 72, the jacking cylinder 71 is mounted on the bearing seat 61, a piston rod of the jacking cylinder 71 is connected with the jacking plate 72, and the height of the jacking plate 72 is slightly lower than that of the two supporting wheels 62, and can be flush with the two supporting wheels 62.

The specific working principle is as follows: in the process of conveying the middle beam 2, the middle beam 2 moves between the vertical seats 32 at two sides, the centering rollers 33 at two sides are far away from each other and do not contact with the middle beam 2, when the middle beam 2 moves to a proper position, the middle beam 2 descends and falls on the riding wheels 62, the riding wheels 62 play a role in supporting the middle beam 2, at the moment, the power piece 51 (centering oil cylinder) is started, the piston rod of the centering oil cylinder stretches out to push the vertical seat 32 connected with the centering oil cylinder to move close to the middle beam 2, the vertical seat 32 moves with the first rack 522 or the second rack 523 connected with the vertical seat 32, the first rack 522 or the second rack 523 drives the gear 524 to rotate, the gear 524 drives the first rack 522 or the second rack 523 at the other side to reversely move, so that the two vertical seats 32 are close to each other, the centering rollers 33 contact with the side surfaces of the middle beam 2 to center the middle beam (when the middle beam 2 is centered, the middle beam 2 can freely move in the width direction), then the piston rod of the centering oil cylinder resets, the two sides of the centering rollers 33 are separated from the side surfaces of the middle beam 2 and clamped again, and the center line of the middle beam 2 is repeatedly operated for three times or more times, when the center line of the middle beam 2 is processed, and the center line of the middle beam 2 is coincident with the center line of a device is ensured; after centering is completed, the surfaces of the centering rollers 33 are abutted against the left and right side walls of the middle beam 2, so that the middle beam 2 is prevented from jumping in the width direction, the jacking cylinder 71 jacks the middle beam 2 up to the upper positioning plate 4, vertical positioning and clamping of the middle beam 2 are completed, and the perpendicularity of the main shaft and each machining surface is ensured to be not more than 0.5mm.

In the process of jacking the middle beam 2 to the upper positioning plate 4 by the jacking cylinder 71, the middle beam 2 is in rolling connection with the two centering rollers 33, and the workpiece is not scratched when the workpiece moves longitudinally.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a shaped steel center sill automatic centering positioning clamping device, its characterized in that, including base (1), be equipped with centering mechanism (3) that center sill (2) carry out automatic centering in width direction on base (1), centering mechanism (3) are including setting up centering seat (31) and the setting up upright seat (32) at the both sides of center sill (2) below center sill (2), centering roller (33) are installed to upright seat (32) inside wall, upper positioning plate (4) have been set firmly at upright seat (32) top, upright seat (32) bottom and centering seat (31) sliding connection, install on centering seat (31) drive mechanism (5) that drive both uprights (32) kept away from each other simultaneously or are close to each other, still be equipped with on base (1) and be used for supporting piece (6) and jacking piece (7) to play the supporting effect to center sill (2) top positioning plate (4) make it vertical location and clamp.

2. The automatic centering, positioning and clamping device for the profile steel center sill according to claim 1, wherein the driving mechanism (5) comprises a power piece (51) and a transmission piece (52), the power piece (51) is a centering oil cylinder, the power piece (51) is connected with one of the vertical seats (32), the power piece (51) drives the vertical seat (32) connected with the power piece to move along the width direction of the center sill (2), the transmission piece (52) is connected between the two vertical seats (32), and the transmission piece (52) enables the two vertical seats (32) to be far away from or close to each other at the same time.

3. The automatic centering, positioning and clamping device for the profile steel center sill according to claim 2, wherein the transmission piece (52) comprises a transmission seat (521), a first rack (522), a second rack (523) and a gear (524), the transmission seat (521) is arranged on a centering seat (31) below the center sill (2), an installation cavity (525) is formed in the transmission seat (521), the gear (524) rotates with the upper wall and the lower wall of the installation cavity (525), the first rack (522) and the second rack (523) are respectively arranged on two sides of the gear (524), the first rack (522) and the second rack (523) are respectively connected with stand seats (32) on two sides, and the first rack (522) and the second rack (523) are meshed with the gear (524).

4. The automatic centering, positioning and clamping device for the profile steel center sill according to claim 3, wherein the sections of the first rack (522) and the second rack (523) are of cylindrical structures, and the first rack (522) and the second rack (523) are in sliding connection with the transmission seat (521).

5. The automatic centering and positioning clamping device for the profile steel center sill according to claim 4, wherein a copper sleeve is arranged between the first rack (522), the second rack (523) and the transmission seat (521).

6. The automatic centering, positioning and clamping device for the section steel center sill according to claim 5, wherein a sliding groove (311) is formed in the top of the centering seat (31) along the width direction of the center sill (2), a sliding block (321) is fixedly arranged at the bottom of the vertical seat (32), and the sliding block (321) is in sliding connection with the sliding groove (311).

7. The automatic centering, positioning and clamping device for the profile steel center sill according to claim 6, wherein an ear plate (8) is fixedly arranged at the bottom of the sliding block (321), a piston rod of the centering oil cylinder is connected with the ear plate (8) at the bottom of one side sliding block (321), and the first rack (522) and the second rack (523) are respectively connected with the ear plates (8) at two sides.

8. The automatic centering and clamping device for the section steel center sill according to any of claims 1-7, wherein the bearing member (6) comprises a bearing seat (61) and two supporting wheels (62), the bearing seat (61) is fixedly arranged on the base (1), and the supporting wheels (62) are arranged on the bearing seat (61).

9. The automatic centering, positioning and clamping device for the section steel center sill according to claim 8, wherein the jacking piece (7) is installed on a bearing seat (61) between two riding wheels (62) and is used for jacking the center sill (2) to the upper positioning plate (4) to vertically position and clamp the center sill.

10. The automatic centering, positioning and clamping device for the profile steel center sill according to claim 9, wherein the jacking piece (7) comprises a jacking oil cylinder (71) and a jacking plate (72), the jacking oil cylinder (71) is installed on the bearing seat (61), and a piston rod of the jacking oil cylinder (71) is connected with the jacking plate (72).