CN218694396U

CN218694396U - Follow-up support integrated centering device

Info

Publication number: CN218694396U
Application number: CN202223156359.7U
Authority: CN
Inventors: 赵文强
Original assignee: Jinan Jinqiang Laser Cnc Equipment Co ltd
Current assignee: Jinan Jinqiang Laser Cnc Equipment Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-03-24
Anticipated expiration: 2032-11-28

Abstract

The utility model relates to a follow-up support integrated centering device, which comprises a fixed seat, a gravity centering mechanism and a clamping centering mechanism which are connected in sequence along the x-axis direction; the gravity centering mechanism comprises a first base and a roller carrier; the bottom of the roller frame is hinged to the top surface of the first base through a steering shaft, the axis of the steering shaft is parallel to the y-axis direction, and the rotation of the steering shaft is controlled by a reversing cylinder; the top of the carrier roller frame is provided with a V-shaped carrier roller component for gravity centering of round structural materials and a straight carrier roller component for clamping and supporting the centering of square structural materials, and the V-shaped carrier roller component and the straight carrier roller component form a certain angle around the reversing shaft. The utility model discloses a follow-up supports integrated centering device provides suitable centering mode respectively to the material of square and round structure, the structural feature of make full use of material, especially when carrying out the centering operation to round structure material, can save the time of function clamp centering mechanism, promote laser pipe cutting efficiency.

Description

Follow-up support integrated centering device

Technical Field

The utility model relates to a tubular product cutting auxiliary assembly field especially relates to an integrated centering device of follow-up support.

Background

The laser pipe cutting machine is mainly used for performing laser cutting on round structural materials (such as round pipes, oval pipes and the like) and square structural materials (such as square pipes, channel steel, angle steel and the like), and compared with the traditional machining process, the laser pipe cutting machine has the advantages of high cutting precision, flat cut, high cutting efficiency and the like.

Chinese patent with application number 202023289455.X discloses a follow-up support and centering clamping mechanism for laser pipe cutting machine material loading, including the base, the welding of base top has the fixing base, and base one end is equipped with moving mechanism, and moving mechanism one end is kept away from to the base is equipped with clamping mechanism, and this patent supports and the tight function of centering the follow-up of material when having the material loading. However, the device does not distinguish the shape of the materials when feeding, does not select a centering mode according to the shape characteristics of the square structural materials and the circular structural materials, and uniformly uses a clamping mode to center the materials with various structures, so that the centering speed is slowed down, and the laser pipe cutting efficiency is reduced. Therefore, the following support integrated centering device which can fully utilize the shape characteristics of the round structural material and the square structural material to perform centering is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem among the background art, the utility model provides a follow-up supports integrated centering device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a servo support integrated centering device comprises a fixed seat, a gravity centering mechanism and a clamping centering mechanism which are sequentially arranged along the x-axis direction; the gravity centering mechanism is connected with the fixed seat through a total lifting mechanism, and the gravity centering mechanism is connected with the clamping centering mechanism through a lifting cylinder;

the gravity centering mechanism comprises a first base, and a roller frame is arranged in the middle of the top surface of the first base; the roller carrier is hinged with the first base through a reversing shaft, and the axis of the reversing shaft is parallel to the y-axis direction; the top of the carrier roller frame is respectively and rotatably provided with a V-shaped carrier roller assembly and a straight carrier roller assembly, and the V-shaped carrier roller assembly and the straight carrier roller assembly form a certain angle around the reversing shaft; the V-shaped carrier roller assembly comprises two carrier rollers I which are symmetrically arranged, and the plane where the axes of the two carrier rollers I are located is parallel to the y-axis direction; the straight carrier roller assembly comprises a carrier roller II, and the axis of the carrier roller II is parallel to the y-axis direction; the first base is fixedly connected with a reversing cylinder, and the output end of the reversing cylinder is hinged with the roller carrier.

The servo support integrated centering device has two centering modes: when the fed materials are square structures such as square tubes, channel steel and angle steel, firstly, a reversing cylinder drives a roller frame to rotate around a reversing shaft until a straight roller assembly faces upwards, a total lifting mechanism lifts a gravity centering mechanism and a clamping centering mechanism, the materials are lifted to a proper height, the clamping centering mechanism clamps and centers the square materials, the materials are centered to a position corresponding to the center of a chuck, and after centering is achieved, the lifting cylinder drives the clamping centering mechanism to fall until the materials are supported by a roller II in the straight roller assembly; when the material of material loading is circular structures such as pipe, elliptical tube, at first the switching-over cylinder drive bearing roller frame encircles the switching-over axle and rotates to V type bearing roller subassembly and towards the top, total elevating system presss from both sides the lifting of centering mechanism with gravity centering mechanism, the material is lifted to suitable height thereupon, press from both sides the centering mechanism and keep the butt with the material and be descended slowly by the lift cylinder for it provides the holding power simultaneously, until circular structure material rolls to the bottommost realization centering of V type structure because of self gravity, the material is centered to the position that corresponds the chuck center this moment. When the bearing roller subassembly supported for the material, the axis perpendicular to x axle direction of the bearing roller that is in operating condition, because the material was removed along x axle direction during the material loading, therefore bearing roller I can reduce the resistance of material loading with bearing roller II when providing the holding power to the material. Through setting up above-mentioned two kinds of centering modes, select suitable mode to center according to the structural feature of material. When the material is in a square structure, the material in the square structure is centered by utilizing the clamping action of the clamping and centering mechanism due to the characteristic that the material is not easy to roll; when the material is in a circular structure, the material is easy to roll, and the material is centered by utilizing the self gravity and the characteristic of easy rolling of the circular structure, so that the clamping and centering mechanism is prevented from being operated uniformly for the materials in square and circular structures, the centering time can be saved, and the laser pipe cutting efficiency can be improved.

Preferably, the clamping and centering mechanism comprises a second base, and a gear II is arranged in the middle of the top surface of the second base; the rotating shaft of the gear II extends along the z-axis direction, two sides of the gear II along the x-axis direction are respectively connected with a rack plate in a meshed mode, and the two rack plates are distributed symmetrically relative to the center of the gear II; clamping jaws are arranged at one end part of each rack plate, which is far away from the other rack plate, and the clamping jaws of the two rack plates are arranged oppositely; the bottom of the rack plate is connected with the second base through a push-pull sliding rail, and the length direction of the push-pull sliding rail is parallel to the y-axis direction; the second base is fixedly connected with a push-pull air cylinder, and the output end of the push-pull air cylinder is connected with one rack plate. The two rack plates are in transmission connection through a gear II, the push-pull cylinder pushes and pulls one of the rack plates, and the other rack plate is driven to move in the opposite direction at the same time; when clamping and centering square structural materials, the two rack plates are close to each other, and clamping jaws arranged at the end parts of the rack plates clamp the square structural materials to the middle position to realize centering.

Preferably, a carrier roller bearing seat is arranged between the two rack plates, a groove is formed in the top surface of the carrier roller bearing seat, and the groove extends along the length direction of the push-pull slide rail; and a plurality of carrier roller bearings are arranged in the groove along the length direction of the groove, rotating shafts of the carrier roller bearings are perpendicular to the length direction of the groove, and the height of the top ends of the carrier roller bearings is not less than that of the top surface of the carrier roller bearing block. In the clamping and centering process, the square structural material is pushed by the clamping jaw and moves on the second base along the length direction of the push-pull slide rail, and after the roller bearing seat is arranged, the rolling of the roller bearing can reduce the friction resistance on the square structural material during moving, so that the clamping and centering of the square structural material are facilitated.

Preferably, the clamping jaw comprises a vertical jaw part and a horizontal jaw part, and the vertical jaw part is connected with the horizontal jaw part to form an L shape; the bottom of the horizontal claw part is connected with the rack plate, and the top of the horizontal claw part is flush with the top end of the roller bearing; the horizontal claw portion is directed to an end portion of the rack plate where no claw is provided.

Preferably, the lifting cylinder is fixedly connected with the first base, and the output end of the lifting cylinder is connected with the second base; the first base is close to the side of second base sets up No. two slide rails along the z axle direction, the second base be equipped with No. two sliding blocks that No. two slide rails correspond.

Preferably, the number two of the slide rails is two, and the two slide rails are symmetrically distributed on the edges of the two sides of the first base.

Preferably, the total lifting mechanism comprises a servo driving unit and a vertical rack, the servo driving unit is arranged on the side surface of the fixed seat far away from the gravity centering mechanism, and the vertical rack is arranged on the side surface of the gravity centering mechanism close to the fixed seat; the output end of the servo driving unit penetrates through the fixed seat and is connected with the vertical rack in a meshed mode through a gear I.

Preferably, the first base is close to the side of fixing base sets up a slide rail along the z axle direction, the fixing base be equipped with a sliding block that the slide rail corresponds.

Preferably, the number of the first sliding rails is two, and the two first sliding rails are symmetrically distributed on two sides of the vertical rack. The first sliding rail and the first sliding block are used for assisting the gravity centering mechanism to move up and down relative to the fixed seat, and the second sliding rail and the second sliding block are used for assisting the clamping centering mechanism to move up and down relative to the gravity centering mechanism.

To sum up, the utility model discloses following beneficial effect has:

the follow-up support integrated centering device provided by the application is provided with two centering modes, when the fed materials are in square structures such as square pipes, channel steel and angle steel, because the square structures are not easy to roll, the materials in the square structures are centered and supported by using the clamping centering mechanism and the straight carrier roller component in a matching manner; when the material is in a round structure such as a round pipe or an elliptical pipe, the material is easy to roll, and the material is rolled to the bottommost part of the V-shaped carrier roller assembly to realize centering by utilizing the gravity of the material in the round structure. The device can select a proper centering mode aiming at materials with different structures, avoids using a clamping and centering mechanism when centering materials with circular structures, and further saves the time for operating the clamping and centering mechanism and improves the laser pipe cutting efficiency.

Drawings

Fig. 1 is a schematic structural view of the servo support integrated centering device of the present invention.

Fig. 2 is a schematic structural view of the middle fixing seat and the main lifting mechanism of the present invention.

Fig. 3 is a schematic structural diagram of the middle gravity centering mechanism of the present invention.

Fig. 4 is a schematic structural view of the middle clamping and centering mechanism of the present invention.

Fig. 5 is a partial cross-sectional view of fig. 4.

Description of reference numerals: 1. a fixed seat; 11. a first slider; 2. a total lifting mechanism; 21. a gear I; 22. a vertical rack; 3. a gravity centering mechanism; 31. a first base; 311. a first slide rail; 32. a reversing cylinder; 33. a carrier roller frame; 331. a reversing shaft; 341. a carrier roller I; 351. a carrier roller II; 4. a clamping and centering mechanism; 41. a second base; 42. a push-pull cylinder; 421. a cylinder push-pull plate; 43. a rack plate; 431. a clamping jaw; 44. a gear II; 45. a carrier roller bearing block; 451. a roller bearing; 5. and a lifting cylinder.

Detailed Description

The present invention will be described in further detail with reference to fig. 1 to 5. For convenience of description, the terms "upper", "lower", "left" and "right" are used to refer to the same direction as the upper, lower, left, right, etc. of the drawings, and the terms "first", "second", etc. are used for descriptive distinction and have no other special meanings.

The servo support integrated centering device provided by the embodiment comprises a fixed seat 1, a total lifting mechanism 2, a gravity centering mechanism 3 and a clamping centering mechanism 4. Wherein, fixing base 1, gravity centering mechanism 3 and press from both sides tight centering mechanism 4 and connect gradually along the x axle direction.

As shown in fig. 1-2, the gravity centering mechanism 3 is connected with the fixing base 1 through the total lifting mechanism 2, the total lifting mechanism 2 comprises a servo driving unit and a vertical rack 22, the servo driving unit is arranged on the side surface of the fixing base 1 and comprises a servo motor and a speed reducer, the servo motor is connected with the speed reducer, the output end of the speed reducer penetrates through the fixing base 1, the end part of the output end of the speed reducer is meshed with the vertical rack 22 through a gear I21, and the side surface, far away from the fixing base 1, of the vertical rack 22 is connected with the side surface of the gravity centering mechanism 3.

The two abutted sides of the gravity centering mechanism 3 and the fixed seat 1 are respectively provided with a first sliding rail 311 for assisting in moving and a first sliding block 11 corresponding to the first sliding rail, the first sliding block 11 is connected with the side of the fixed seat 1 close to the gravity centering mechanism 3, and the first sliding rail 311 is connected with the side of the gravity centering mechanism 3 close to the fixed seat 1. The first slide rail 311 extends along the z-axis direction, two first slide rails 311 are arranged, and the two first slide rails 311 are symmetrically distributed on two sides of the vertical rack 22.

As shown in fig. 3, the gravity centering mechanism 3 includes a first base 31; the side of the first base 31 is connected to the vertical rack 22 and the first slide rail 311. The middle of the top surface of the first base 31 is provided with a roller frame 33, the bottom of the roller frame 33 is hinged with the first base 31 through a reversing shaft 331, and the reversing shaft 331 is parallel to the y-axis direction. The top of the carrier roller frame 33 is provided with a V-shaped carrier roller assembly and a straight carrier roller assembly, and the straight carrier roller assembly surrounds the reversing shaft 331 along the clockwise direction and forms a 90-degree angle with the V-shaped carrier roller assembly. The V-shaped carrier roller assembly comprises two carrier rollers I341 which are symmetrically arranged, the axes of the two carrier rollers I341 are V-shaped, and the plane where the axes of the two carrier rollers I341 are located is parallel to the axis of the reversing shaft 331, namely parallel to the y-axis direction; the straight carrier roller assembly comprises a carrier roller II 351, and the axis of the carrier roller II 351 is parallel to the reversing shaft 331, namely parallel to the y-axis direction. The first base 31 is fixedly connected with a reversing cylinder 32, and the output end of the reversing cylinder 32 is hinged with a roller frame 33.

As shown in fig. 4-5, the clamping and centering mechanism 4 is connected to one side of the gravity centering mechanism 3 away from the fixed seat 1 through the lifting cylinder 5; the clamping and centering mechanism 4 comprises a second base 41, a gear II 44 is arranged in the middle of the top surface of the second base 41, a rotating shaft of the gear II extends along the z-axis direction, two sides of the gear II 44 along the x-axis direction are respectively connected with a rack plate 43 extending along the y-axis direction in a meshed mode, and the two rack plates 43 are distributed in a central symmetry mode relative to the gear II 44; two push-pull slide rails extending along the y-axis direction are arranged on the top surface of the second base 41 corresponding to the two rack plates 43, and the rack plates 43 are connected with the push-pull slide rails in a sliding manner. The side surface of the second base 41 far away from the gravity centering mechanism 3 is fixedly connected with a push-pull air cylinder 42, the output end of the push-pull air cylinder is parallel to a push-pull sliding rail, the output end of the push-pull air cylinder is connected with a rack plate 43 far away from the gravity centering mechanism 3 through an air cylinder push-pull plate 421, the output end of the push-pull air cylinder is connected with the vertical part in the air cylinder push-pull plate, and the rack plate 43 is connected with the horizontal part in the air cylinder push-pull plate 421.

A carrier roller bearing seat 45 is arranged between the two rack plates 43, and a groove extending along the length direction of the push-pull slide rail is formed in the top surface of the carrier roller bearing seat 45; a plurality of roller bearings 451 are arranged in the groove along the length direction of the groove, the top ends of the roller bearings 451 are as high as the top surface of the roller bearing seat 45, and the rotating shafts of the roller bearings are perpendicular to the length direction of the groove, namely the length direction of the push-pull slide rail. When the material is centered by clamping and centering, the material moves on the second base 41 along the length direction of the push-pull slide rail, and the rolling of the idler bearings 451 in the idler bearing blocks 45 can reduce the friction resistance to the material when the material moves along the direction.

The two ends of the push-pull sliding rail are respectively flush with the edges of the two sides of the top surface of the second base, the length of each rack plate 43 is half of that of the push-pull sliding rail, the end portions, far away from each other, of the two rack plates 43 are respectively and oppositely provided with an L-shaped clamping jaw 431, each L-shaped clamping jaw 431 comprises a vertical claw portion and a horizontal claw portion, the bottom of each horizontal claw portion is connected with the corresponding rack plate 43, the top of each horizontal claw portion is flush with the top end of the corresponding roller bearing 451, the horizontal claw portions point to the end, along the y-axis direction, of the rack plate 43, where the clamping jaws 431 are not arranged, the end portions, not connected with the vertical claw portions, of the horizontal claw portions are in an arc shape so as to slow down collision of materials, and stable clamping and centering are achieved.

The lifting cylinder 5 is fixed on the first base 31, and the output end of the lifting cylinder 5 is connected with the second base 41.

The side surfaces of the clamping centering mechanism 4 and the gravity centering mechanism 3 which are mutually abutted are respectively provided with a second sliding rail for assisting movement and a second sliding block corresponding to the second sliding rail, the second sliding rail extends along the z-axis direction, the number of the second sliding rail is two, and the two second sliding rails are symmetrically fixed on the side surface edge of the first base 31; the second slider is fixed to the side of the second base 41.

The implementation principle of the embodiment is as follows:

when the material to be fed is in a square structure such as a square tube, channel steel, angle steel and the like, firstly, the reversing cylinder 32 drives the roller frame 33 to rotate around the reversing shaft 331 until the roller II 351 of the straight roller assembly faces upwards, the servo driving unit lifts the gravity centering mechanism 3 and the clamping centering mechanism 4, the square structure material is lifted to a proper height along with the square structure material, the push-pull cylinder 42 drives the two rack plates 43 to move oppositely, the L-shaped clamping jaws 431 of the two rack plates 43 clamp the square structure material to the middle position of the second base 41 to realize clamping centering, the square structure material is centered to the position corresponding to the center of the chuck, after centering is realized, the square lifting cylinder drives the clamping centering mechanism to fall down until the material is supported by the roller II in the straight roller assembly, and the material is lifted by the roller II to be fed. When supporting the matrix material, the axis of bearing roller II 351 is perpendicular to the x axle direction, because the material is moved along the x axle direction during material loading, therefore bearing roller II 351 can reduce the resistance of material loading.

When the material of material loading is circular structures such as circular pipe, elliptical tube, at first switching-over cylinder 32 drive bearing roller frame 33 encircles reversing shaft 331 and rotates to V type bearing roller subassembly and towards the top, total elevating system 2 is with the lifting of gravity centering mechanism 3 and the tight centering mechanism 4 of clamp, circular structure material is lifted to suitable height thereupon, the tight centering mechanism 4 of clamp keeps the butt with the material and is descended slowly by lift cylinder 5 for it provides the holding power simultaneously, until circular structure material rolls to the bottommost realization centering of V type structure because of self gravity, circular structure material is centered to the position that corresponds the chuck center this moment, circular material is lifted by two bearing rollers I341 lift supports of V type bearing roller subassembly and is carried out the material loading. When supporting circular material, the axis of two bearing rollers I341 is perpendicular to the x axle direction, because the material moves along the x axle direction during the material loading, therefore bearing roller I341 can reduce the resistance of material loading.

Above is the preferred embodiment of the utility model, not limit according to this the utility model discloses a protection scope, the event: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an integrated centering device of follow-up support which characterized in that: the device comprises a fixed seat (1), a gravity centering mechanism (3) and a clamping centering mechanism (4) which are sequentially arranged along the x-axis direction; the gravity centering mechanism (3) is connected with the fixed seat (1) through a total lifting mechanism (2), and the gravity centering mechanism (3) is connected with the clamping centering mechanism (4) through a lifting cylinder (5);

the gravity centering mechanism (3) comprises a first base (31), and a roller frame (33) is arranged in the middle of the top surface of the first base (31); the roller frame (33) is hinged with the first base (31) through a reversing shaft (331), and the axis of the reversing shaft (331) is parallel to the y-axis direction; the top of the carrier roller frame (33) is respectively rotatably provided with a V-shaped carrier roller assembly and a straight carrier roller assembly, and the V-shaped carrier roller assembly and the straight carrier roller assembly form a certain angle around the reversing shaft (331); the V-shaped carrier roller assembly comprises two carrier rollers I (341) which are symmetrically arranged, and the plane where the axes of the two carrier rollers I (341) are located is parallel to the y-axis direction; the straight carrier roller assembly comprises a carrier roller II (351), and the axis of the carrier roller II (351) is parallel to the y-axis direction; the first base (31) is fixedly connected with a reversing cylinder (32), and the output end of the reversing cylinder is hinged with the roller frame (33).

2. The integrated follow-up support centering device of claim 1, wherein: the clamping and centering mechanism (4) comprises a second base (41), and a gear II (44) is arranged in the middle of the top surface of the second base (41); the rotating shaft of the second gear (44) extends along the z-axis direction, two rack plates (43) are respectively connected to two sides of the second gear (44) along the x-axis direction in a meshed mode, and the two rack plates (43) are distributed in a central symmetry mode relative to the second gear (44); clamping jaws (431) are respectively arranged on one end part of each rack plate (43) far away from the other rack plate (43), and the clamping jaws (431) of the two rack plates are oppositely arranged; the bottom of the rack plate (43) is connected with the second base (41) through a push-pull slide rail, and the length direction of the push-pull slide rail is parallel to the y-axis direction; the second base (41) is fixedly connected with a push-pull air cylinder (42), and the output end of the push-pull air cylinder (42) is connected with one rack plate (43).

3. The integrated follow-up support centering device of claim 2, wherein: a carrier roller bearing seat (45) is arranged between the two rack plates (43), a groove is formed in the top surface of the carrier roller bearing seat (45), and the groove extends along the length direction of the push-pull slide rail; a plurality of roller bearings (451) are arranged in the groove along the length direction of the groove, the rotating shafts of the roller bearings (451) are perpendicular to the length direction of the groove, and the height of the top ends of the roller bearings (451) is not less than the height of the top surfaces of the roller bearing blocks (45).

4. The integrated follow-up support centering device of claim 3, wherein: the clamping jaw (431) comprises a vertical jaw part and a horizontal jaw part, and the vertical jaw part is connected with the horizontal jaw part to form an L shape; the bottom of the horizontal claw part is connected with the rack plate (43), and the top of the horizontal claw part is flush with the top end of the roller bearing (451); the horizontal claw portion is directed to an end portion of the rack plate (43) where no claw (431) is provided.

5. The integrated follow-up support centering device of claim 2, wherein: the lifting cylinder (5) is fixedly connected with the first base (31), and the output end of the lifting cylinder (5) is connected with the second base (41); the side face, close to the second base (41), of the first base (31) is provided with a second sliding rail along the z-axis direction, and the second base (41) is provided with a second sliding block corresponding to the second sliding rail.

6. The integrated follow-up support centering device of claim 5, wherein: the number two sliding rails are arranged and are symmetrically distributed on the edges of the two sides of the first base (31).

7. The integrated follow-up support centering device of claim 1, wherein: the general lifting mechanism (2) comprises a servo driving unit and a vertical rack (22), the servo driving unit is arranged on the side face, far away from the gravity centering mechanism (3), of the fixed seat (1), and the vertical rack (22) is arranged on the side face, close to the fixed seat (1), of the gravity centering mechanism (3); the output end of the servo driving unit penetrates through the fixed seat (1) and is in meshed connection with the vertical rack (22) through a gear I (21).

8. The integrated follow-up support centering device of claim 7, wherein: first base (31) are close to the side of fixing base (1) sets up slide rail (311) No. one along the z axle direction, fixing base (1) be equipped with slide block (11) that slide rail (311) correspond No. one.

9. The integrated follow-up support centering device of claim 8, wherein: the number of the first sliding rails (311) is two, and the two first sliding rails (311) are symmetrically distributed on two sides of the vertical rack (22).