CN219093119U

CN219093119U - Hydraulic pushing bed

Info

Publication number: CN219093119U
Application number: CN202222571761.5U
Authority: CN
Inventors: 李涛; 王洪新; 谷铮铮; 韩正茂; 陈延亮
Original assignee: Zhongzhong Science and Technology Tianjin Co Ltd
Current assignee: Zhongzhong Science and Technology Tianjin Co Ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-05-30
Anticipated expiration: 2032-09-26

Abstract

The utility model provides a hydraulic pushing bed which comprises a base and two pushing plates, wherein a processing position for pushing an intermediate blank to be centered is formed between the two pushing plates, the two pushing plates are respectively and correspondingly provided with a hydraulic cylinder for driving the pushing plates to move, an output shaft of the hydraulic cylinder is connected with a mounting plate, the pushing plates are detachably connected with the mounting plate, and a shell of the hydraulic cylinder is connected with the base. The utility model has the beneficial effects that: the push pedal is connected with the mounting panel can be dismantled, when the push pedal takes place wearing and tearing, can change new push pedal, and the output shaft of two pneumatic cylinders extends, drives the push pedal and removes, and the push pedal promotes the intermediate billet, makes the intermediate billet align the entry of process down, compares in a traditional unilateral motor drive push pedal, and this scheme adopts two push pedals of pneumatic cylinder drive to accomplish centering operation, and the centering force that produces is bigger, and the equilibrium is better, in addition, and hydraulic drive compares in motor drive, compact structure, saves production space.

Description

Hydraulic pushing bed

Technical Field

The utility model belongs to the technical field of H-shaped steel rolling, and particularly relates to a hydraulic pushing bed.

Background

Because the H-shaped steel has excellent section mechanical property, and the application of the H-shaped steel instead of the traditional common shaped steel has the advantage of saving 15% -30%, the application field is wider and wider, and the research on special equipment for producing the H-shaped steel is deepened gradually. The pushing bed is an important component part of a BD rolling mill on an H-shaped steel production line, the BD rolling mill generally rolls for 5-9 times according to different billet specifications, intermediate blanks required by a process are rolled in a series of pass in a reciprocating mode, and the pushing bed has the main functions of pushing a rolled piece to be centered, leading the rolled piece to be aligned to the pass of the rolling mill, and straightening the bent rolled piece for smooth rolling.

Most of the existing pushing machines are driven by a single-side motor, and the concrete structure is that the motor drives a speed reducer and a gear to rotate, the gear drives a rack to linearly move, a pushing plate is arranged at the end part of the rack, a fixing plate is correspondingly arranged on the pushing plate, and a processing station is formed between the pushing plate and the fixing plate.

The following problems exist with a motor-driven pusher: the floor space is occupied, the structure is complex, the centering thrust is small, the single-side stress balance is poor, and the requirements on processing and assembly among equipment bodies are severe.

Disclosure of Invention

In view of the above, the present utility model aims to provide a hydraulic pushing bed, so as to solve at least one of the above technical problems.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

the utility model provides a fluid pressure type pushing bed, includes base, push pedal, the quantity of push pedal is two, forms the processing position that promotes the intermediate billet and carry out the centering between two push pedals, and two push pedals correspond respectively and are equipped with the pneumatic cylinder that the drive push pedal removed, the output shaft and the mounting panel of pneumatic cylinder are connected, the push pedal can be dismantled with the mounting panel and be connected, the casing and the base of pneumatic cylinder are connected.

Further, a guide rod is arranged on the mounting plate, and a guide structure matched with the guide rod is fixedly arranged on the base.

Further, the guide structure comprises two side plates and a top plate, wherein the lower ends of the two side plates are fixedly connected with the base, the top plate is fixedly connected with the upper ends of the two side plates, and guide holes are formed among the top plate, the base and the two side plates;

the guide rod is arranged at the inner side of the guide hole, and a moving slide bar arranged along the moving direction of the push plate is fixedly arranged on the guide rod;

the inner side of the guide hole is fixedly provided with a fixed slide bar which is correspondingly arranged with the movable slide bar, and the movable slide bar is in clearance sliding fit with the fixed slide bar.

Furthermore, the movable slide bar and the fixed slide bar are structural members made of copper materials.

Further, a supporting wheel corresponding to the base is fixedly arranged at the lower end of the mounting plate, and the supporting wheel is rotationally connected with the guide rod.

Further, the shell of the hydraulic cylinder is hinged with the base, the output shaft of the hydraulic cylinder is hinged with the mounting plate, and the guide rod is hinged with the mounting plate;

the hinge axis of the output shaft and the mounting plate is arranged along the length direction of the intermediate blank, and the hinge axis of the guide rod and the mounting plate is perpendicular to the hinge axis of the output shaft and the mounting plate.

Further, a rotary rod corresponding to the processing position is arranged on the base, and the rotary rod is rotationally connected with the base.

Furthermore, the push plate is a structural member made of wear-resistant alloy steel.

Further, a blanking hole corresponding to the intermediate blank is formed in the base, a blanking guide plate is correspondingly arranged in the blanking hole, the blanking guide plate is obliquely arranged, and the blanking guide plate is fixedly connected with the base.

Compared with the prior art, the hydraulic pushing bed has the following beneficial effects:

(1) According to the hydraulic pushing bed, the pushing plates are detachably connected with the mounting plates, when the pushing plates are worn, new pushing plates can be replaced, the output shafts of the two hydraulic cylinders extend to drive the pushing plates to move, the pushing plates push the intermediate blank to enable the intermediate blank to be aligned with the inlet of the next rolling mill, compared with the traditional single-side motor driving one pushing plate, the hydraulic cylinder is adopted to drive the two pushing plates to finish centering operation, generated centering force is larger, balance is better, and in addition, compared with motor driving, the hydraulic driving is compact in structure and saves production space.

(2) According to the hydraulic pushing bed, the hinge axis of the output shaft and the mounting plate is arranged along the length direction of the intermediate blank, and the hinge axis of the guide rod and the mounting plate is perpendicular to the hinge axis of the output shaft and the mounting plate. Through two articulated axis vertically structures, can compensate the unable problem of connecting of relevant piece that leads to because machining error and assembly error in the installation, the pneumatic cylinder can have certain offset in the horizontal direction, and the trunnion seat can have certain offset in the upper and lower direction, therefore on four positions, the pneumatic cylinder can all have certain activity, and this structure not only is convenient for install, can balance off under rolling state in addition, the offset load that middle base and push pedal contact produced, and then improves the life of pushable bed.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 is a schematic view of a three-dimensional structure of a pushing bed according to an embodiment of the present utility model;

FIG. 2 is a schematic side view of a pushing bed according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram showing the top view structure of a pushing bed according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a partial structure at A in FIG. 1 according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram showing the top view of the push plate and mounting plate according to the embodiment of the present utility model;

FIG. 6 is a schematic diagram of a side view of a push plate and mounting plate in combination according to an embodiment of the present utility model;

fig. 7 is a schematic left-view partial structure of a pushing bed according to an embodiment of the utility model.

Reference numerals illustrate:

1. a base; 2. a push plate; 3. a hydraulic cylinder; 4. a guide rod; 5. a rotary stick; 6. a blanking guide plate; 7. a motor; 8. a fixed slide bar; 9. moving the slide bar; 10. a mounting plate; 11. a T-shaped bolt; 12. a support wheel; 101. a blanking hole; 102. a top plate; 103. a side plate; 201. t-shaped groove.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

As shown in fig. 1 to 7, a hydraulic pushing bed comprises a base 1 and two pushing plates 2, wherein a processing position for pushing an intermediate blank to be centered is formed between the two pushing plates 2, the two pushing plates 2 are respectively and correspondingly provided with a hydraulic cylinder 3 for driving the pushing plates 2 to move, an output shaft of the hydraulic cylinder 3 is connected with a mounting plate 10, the pushing plates 2 are detachably connected with the mounting plate 10, and a shell of the hydraulic cylinder 3 is connected with the base 1.

As shown in fig. 7, the mounting plate 10 is provided with a guide rod 4, and the base 1 is fixedly provided with a guide structure matched with the guide rod 4. The guide structure comprises side plates 103 and top plates 102, wherein the number of the side plates 103 is two, the lower ends of the two side plates 103 are fixedly connected with the base 1, the top plates 102 are fixedly connected with the upper ends of the two side plates 103, and guide holes are formed among the top plates 102, the base 1 and the two side plates 103; the guide rod 4 is arranged at the inner side of the guide hole, and a movable sliding bar 9 arranged along the moving direction of the push plate 2 is fixedly arranged on the guide rod 4; the inner side of the guide hole is fixedly provided with a fixed slide bar 8 which is correspondingly arranged with a movable slide bar 9, and the movable slide bar 9 is in clearance sliding fit with the fixed slide bar 8. The number of the movable sliding strips 9 is 8, a group of sliding strip groups is formed by every two movable sliding strips 9, the cross section of the guide rod 4 is rectangular, a group of sliding strip groups is arranged on four sides of the guide rod 4, the number of the fixed sliding strips 8 is 8, and each fixed sliding strip 8 corresponds to one movable sliding strip 9 respectively. The movable slide bar 9 and the fixed slide bar 8 are both structural members made of copper materials. The movable slide bar 9 and the fixed slide bar 8 made of copper have good self-lubricating effect, and friction between the guide rod 4 and the guide hole is reduced.

As shown in fig. 4 and 6, a supporting wheel 12 corresponding to the base 1 is fixed at the lower end of the mounting plate 10, and the supporting wheel 12 is rotatably connected with the guide rod 4. When the two mounting plates 10 are moved toward each other, the supporting wheels 12 support the mounting plates 10, preventing the mounting plates 10 from sagging.

As shown in fig. 1 and 2, the hydraulic cylinder 3 and the guide rod 4 are arranged in the same direction, the shell of the hydraulic cylinder 3 is hinged with the base 1 through a trunnion seat, the output shaft of the hydraulic cylinder 3 is hinged with the mounting plate 10, and the guide rod 4 is hinged with the mounting plate 10; the hinge axis of the output shaft and the mounting plate 10 is arranged along the length direction of the intermediate blank, and the hinge axis of the guide rod 4 and the mounting plate 10 is perpendicular to the hinge axis of the output shaft and the mounting plate 10. Through two articulated axis vertically structures, can compensate the unable problem of connecting of relevant piece that leads to because machining error and assembly error in the installation, pneumatic cylinder 3 can have certain offset in the horizontal direction, and the trunnion seat can have certain offset in the upper and lower direction, therefore on four positions, pneumatic cylinder 3 can all have certain activity, and this structure not only is convenient for install, can balance off in rolling state in addition, the offset load that middle base and push pedal 2 contact produced, and then improves the life of pushable bed.

As shown in fig. 2 and 3, a rotary rod 5 corresponding to the processing position is arranged on the base 1, the rotary rod 5 is rotationally connected with the base 1, a motor 7 for driving and rotating is correspondingly arranged on the rotary rod 5, an output shaft of the motor 7 is fixedly connected with the rotary rod, and a shell of the motor 7 is fixedly connected with the base 1.

As shown in fig. 4 and 5, the push plate 2 is a structural member made of wear-resistant alloy steel. The push plate 2 made of wear-resistant alloy steel material prolongs the service life of the push plate 2. The end face, close to the mounting plate 10, of the push plate 2 is provided with a T-shaped groove 201, the mounting plate 10 is provided with a mounting hole corresponding to the T-shaped groove 201, a T-shaped bolt 11 is arranged in the mounting hole, the bolt head of the T-shaped bolt 11 is arranged on the inner side of the T-shaped groove 201, the T-shaped bolt 11 penetrates through the mounting hole, the T-shaped bolt 11 is correspondingly provided with a nut, the nut is in threaded connection with the T-shaped bolt 11, and the push plate 2 is detachably connected with the mounting plate 10 through the T-shaped bolt 11 and the nut. When the T-shaped bolt 11 is installed, the T-shaped bolt 11 is inserted into the T-shaped groove 201, then the T-shaped bolt 11 penetrates through the installation hole, and then the nut is screwed. The process of replacing the push plate 2 is simple, and the mounting structure of the T-shaped groove 201 ensures that the end surface of the push plate 2 adjacent to the processing station is not provided with a mounting hole, so that the problem of mounting a Kong Huashang intermediate blank can not occur.

As shown in fig. 1, a blanking hole 101 corresponding to the intermediate blank is formed in the base 1, a blanking guide plate 6 is correspondingly arranged in the blanking hole 101, the blanking guide plate 6 is obliquely arranged, the blanking guide plate 6 is fixedly connected with the base 1, and a scrap collecting barrel is correspondingly arranged below the blanking guide plate 6. The scraps on the intermediate blank can slide onto the blanking guide plate 6 through the blanking holes 101, and under the action of gravity, the scraps can slide into the scraps collecting bucket.

The working process comprises the following steps:

when this scheme is implemented, push pedal 2 can dismantle with mounting panel 10 and be connected, when push pedal 2 takes place wearing and tearing, can change new push pedal 2, the output shaft extension of two pneumatic cylinders 3 drives push pedal 2 and removes, push pedal 2 promotes the intermediate billet, make intermediate billet align the entry of process down, compare in the single push pedal 2 of traditional unilateral motor 7 drive, this scheme adopts two push pedals 2 of pneumatic cylinder 3 drive to accomplish centering operation, the centering force of production is bigger, and the equilibrium is better, in addition, hydraulic drive compares in motor 7 drive, compact structure, save production space.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the claims and description.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. A hydraulic pushing bed, characterized in that: including base (1), push pedal (2), the quantity of push pedal (2) is two, forms the processing position that promotes the intermediate billet and center between two push pedal (2), and two push pedal (2) correspond respectively and are equipped with pneumatic cylinder (3) that drive push pedal (2) removed, the output shaft and the mounting panel (10) of pneumatic cylinder (3) are connected, push pedal (2) can dismantle with mounting panel (10) and be connected, the casing and the base (1) of pneumatic cylinder (3) are connected.

2. A hydraulic pushing bed according to claim 1, characterized in that: the mounting plate (10) is provided with a guide rod (4), and the base (1) is fixedly provided with a guide structure matched with the guide rod (4).

3. A hydraulic pushing bed according to claim 2, characterized in that: the guide structure comprises side plates (103) and top plates (102), wherein the number of the side plates (103) is two, the lower ends of the two side plates (103) are fixedly connected with a base (1), the top plates (102) are fixedly connected with the upper ends of the two side plates (103), and guide holes are formed among the top plates (102), the base (1) and the two side plates (103);

the guide rod (4) is arranged at the inner side of the guide hole, and a moving slide bar (9) arranged along the moving direction of the push plate (2) is fixedly arranged on the guide rod (4);

the inner side of the guide hole is fixedly provided with a fixed slide bar (8) which is correspondingly arranged with a movable slide bar (9), and the movable slide bar (9) is in clearance sliding fit with the fixed slide bar (8).

4. A hydraulic pushing bed according to claim 3, characterized in that: the movable sliding strip (9) and the fixed sliding strip (8) are structural members made of copper materials.

5. A hydraulic pushing bed according to claim 2, characterized in that: the lower end of the mounting plate (10) is fixedly provided with a supporting wheel (12) corresponding to the base (1), and the supporting wheel (12) is rotationally connected with the guide rod (4).

6. A hydraulic pushing bed according to claim 2, characterized in that: the shell of the hydraulic cylinder (3) is hinged with the base (1), the output shaft of the hydraulic cylinder (3) is hinged with the mounting plate (10), and the guide rod (4) is hinged with the mounting plate (10);

the hinge axis of the output shaft and the mounting plate (10) is arranged along the length direction of the intermediate blank, and the hinge axis of the guide rod (4) and the mounting plate (10) is perpendicular to the hinge axis of the output shaft and the mounting plate (10).

7. A hydraulic pushing bed according to claim 1, characterized in that: the rotary rod (5) corresponding to the processing position is arranged on the base (1), and the rotary rod (5) is rotationally connected with the base (1).

8. A hydraulic pushing bed according to claim 1, characterized in that: the push plate (2) is a structural member made of wear-resistant alloy steel.

9. A hydraulic pushing bed according to claim 1, characterized in that: the blanking device is characterized in that a blanking hole (101) corresponding to the intermediate blank is formed in the base (1), a blanking guide plate (6) is correspondingly arranged in the blanking hole (101), the blanking guide plate (6) is obliquely arranged, and the blanking guide plate (6) is fixedly connected with the base (1).