CN214441836U - Core bar fixing device and high-speed rolling mill - Google Patents

Abstract

The utility model discloses a core bar fixing device and a high-speed rolling mill, which belong to the field of pipe processing equipment and ensure that the position of a core bar is not changed in the pipe conveying and processing processes, the core bar fixing device comprises a frame, a machine body which is slidably installed on the frame, and a clamping device which is arranged on the machine body, wherein the frame is provided with the core bar, the pipe is conveyed along the core bar after passing through the clamping device, the clamping device comprises a clamping jaw, the clamping jaw clamps the core bar after the pipe is conveyed out of the clamping device to avoid the position change of the core bar in the axial direction, the frame is also provided with a core bar holding device, the core bar holding device comprises a clamping jaw and a driving piece which controls the clamping jaw to clamp the core bar, the clamping jaw comprises two clamping arms which are hinged with each other, the end parts of the clamping arms are provided with hoops for holding the core bar tightly, and a plurality of needle roller bearings which are abutted against the core bar when the core bar is clamped are arranged on the anchor ear.

Description

Core bar fixing device and high-speed rolling mill

[ technical field ] A method for producing a semiconductor device

The utility model relates to a tubular product processing equipment field especially relates to core bar fixing device and high-speed rolling mill.

[ background of the invention ]

When the pipe is rolled, the pipe is generally dragged while being processed by a machine head of a rolling mill, the processing speed of the pipe is low, and if the machine head generates a large traction force on the pipe, the quality of the pipe can be influenced in the rolling process. In order to improve the processing speed of the pipe, the conveying speed of the pipe can be improved, a core rod is usually arranged to guide the conveying of the pipe, and after the equipment for improving the conveying speed of the pipe is arranged, the core rod is inevitably influenced.

[ Utility model ] content

The utility model aims to solve the technical problem that overcome prior art not enough and propose core bar fixing device, make the core bar in tubular product conveying, course of working, the position change can not appear.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the core bar fixing device comprises a rack, a machine body and a clamping device, wherein the machine body is slidably mounted on the rack, the clamping device is arranged on the machine body, a core bar is arranged on the rack, a pipe is conveyed along the core bar after passing through the clamping device, the clamping device comprises a clamping jaw, the clamping jaw clamps the core bar after the pipe is conveyed out of the clamping device to avoid the position change of the core bar in the axial direction, the rack is further provided with a core bar clamping device, the core bar clamping device comprises a clamping jaw and a driving piece for controlling the clamping jaw to clamp the core bar, the clamping jaw comprises two clamping arms which are hinged mutually, the end part of each clamping arm is provided with a hoop for clamping the core bar, and the hoop is provided with a plurality of needle roller bearings which are abutted against the core bar when the core bar is clamped.

Furthermore, the jack catch includes the jack catch dish, sets up a plurality of movable blocks on the jack catch dish are equipped with the adapter sleeve on every movable block, the adapter sleeve on a plurality of movable blocks can offset and piece together and be used for pressing from both sides the tighrening ring of tight core bar.

Furthermore, the machine body is provided with a shaft body and a dragging component for dragging the clamping jaw to slide along the shaft body, and the dragging component controls the clamping jaw to slide back and forth along the shaft body so that the clamping jaw clamps or releases the core rod.

Furthermore, drag the part including fixed mounting on the organism and be located the hydro-cylinder of jack catch top, articulated installation connecting plate on the piston rod of hydro-cylinder, the connecting plate with the jack catch is articulated.

Further, the driving piece comprises a driving oil cylinder, two connecting rods are hinged to a piston rod of the driving oil cylinder and hinged to one of the clamping arms, the core rod holding device further comprises a base plate, and the two clamping arms are installed on the base plate through the same rotating shaft.

Further, the core bar holding device further comprises a mounting plate and a lifting oil cylinder, the driving piece and the clamping jaw are mounted on the mounting plate, and the lifting oil cylinder is connected with the mounting plate to control the driving piece and the clamping jaw to lift.

Further, the core bar holding device further comprises a mounting plate and a lifting oil cylinder, the driving piece and the clamping jaw are mounted on the mounting plate, and the lifting oil cylinder is connected with the mounting plate to control the driving piece and the clamping jaw to lift.

The high-speed rolling mill comprises the core bar fixing device.

The utility model has the advantages that:

the utility model provides a core rod fixing device which is used for keeping the stability of the core rod and keeping the position of the core rod unchanged during the conveying and processing of the pipe, in the processing process, the hoop of the clamping jaw on the clamping device applies clamping force to the core bar to fix the core bar, the shape of the hoop is approximately semicircular, two hoops are used for tightly holding the core bar, the contact surface between the hoop and the core bar is large, the core bar can be stably fixed, in the process of conveying the pipe, the core rod is clamped by the core rod clamping device, so that the axial displacement of the core rod is avoided, in the processing process, the core bar holding device also keeps clamping the core bar, avoids radial displacement of the core bar, when the clamping jaw clamps the core bar, the needle roller bearing on the hoop can prop against the core bar to limit the displacement of the core bar, but cannot limit the rotation of the core bar, so that the transmission and the processing of the pipe cannot be influenced.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The invention will be further explained with reference to the drawings:

fig. 1 is a schematic structural view of a core bar fixing device in an embodiment of the present invention;

fig. 2 is a schematic structural view of the machine body in the embodiment of the present invention;

FIG. 3 is a schematic structural view of a core rod clasping device in an embodiment of the present invention;

fig. 4 is a side view of the core rod clasping device in the embodiment of the present invention.

Reference numerals:

a frame 100, a core bar 110;

the device comprises a machine body 200, a clamping device 210, a clamping jaw 211, a clamping jaw disc 2111, a movable block 2112, a fastening sleeve 2113, a shaft body 220, a dragging component 230, an oil cylinder 231, a connecting plate 232, a through groove 233, a rotating seat 240, a rotation assisting device 250, a motor 251, an upper friction wheel 252 and a lower friction wheel 253;

the core bar clamping device 300, the clamping jaw 310, the clamping arm 311, the hoop 312, the needle bearing 313, the driving part 320, the driving oil cylinder 321, the connecting rod 322, the base plate 323, the lifting oil cylinder 330 and the mounting plate 340;

a top-feed cart 400;

the air cylinder 500 is adjusted.

[ detailed description ] embodiments

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1 to 4, the embodiment of the present invention discloses a core bar fixing device, including a frame 100, a machine body 200 slidably mounted on the frame 100, a clamping device 210 disposed on the machine body 200, a core bar 110 is disposed on the frame 100, the pipe is conveyed along the core bar 110 after passing through the clamping device 210, the clamping device 210 includes a jaw 211, the jaw 211 clamps the core bar 110 after the pipe is conveyed out of the clamping device 210 to avoid the position change of the core bar 110 in the axial direction, a core bar clasping device 300 is further disposed on the frame 100, the core bar clasping device 300 includes a clamping jaw 310 and a driving part 320 for controlling the clamping jaw 310 to clamp the core bar 110, the clamping jaw 310 includes two clamping arms 311 hinged to each other to form a clamping arm, an end of the clamping arm 311 is provided with an anchor ear 312 for clasping the core bar 110, and the anchor ear 312 is provided with a plurality of needle roller bearings 313 abutting against the core bar 110 when clamping the core bar 110.

The fixing device of the core bar 110 is used for keeping the stability of the core bar 110 and keeping the position of the core bar 110 unchanged in the process of conveying and processing the pipe, in the process of processing, clamping force is applied to the core bar 110 by the hoop 312 of the clamping jaws 211 on the clamping device 210 to fix the core bar 110, the shape of the hoop 312 is approximately semicircular, two hoops 312 are used for clasping the core bar 110, the contact surface between the hoop 312 and the core bar 110 is large, the core bar 110 can be stably fixed, in the process of conveying the pipe, the core bar 110 is clamped by the core bar clasping device 300 to avoid axial displacement of the core bar 110, in addition, in the process of processing, the core bar clasping device 300 also keeps the clamping of the core bar 110 to avoid radial displacement of the core bar 110, when the core bar 110 is clamped by the clamping jaws 310, the bearings 313 on the hoop 312 can abut against the core bar 110 to limit the displacement of the needle roller 110, but can not limit the rotation of the core bar 110, so that the conveying and processing of the pipe cannot be influenced.

In the above, the driving member 320 of the core bar clasping device 300 includes the driving cylinder 321, two connecting rods 322 are hinged to the piston rod of the driving cylinder 321, the two connecting rods 322 are respectively hinged to one of the clamping arms 311, the driving cylinder 321 can push the piston rod of itself to extend and retract, in the extending and retracting process, the connecting rods 322 and the clamping arms 311 can be driven to move up and down, the core bar clasping device 300 further includes the backing plate 323, the two clamping arms 311 are mounted on the backing plate 323 through the same rotating shaft, the two clamping arms 311 are under the action of the rotating shaft, so that the two clamping arms 311 only rotate relative to the backing plate 323, one end of the hoop 312 on the clamping arm 311 is rotatably connected with the rotating shaft, so that the position change of the two hoops 312 in the height direction is not large, and the core bar 110 cannot be driven to have the position change in the vertical direction when clasping the core bar 110.

Specifically, the jaw 211 includes a jaw plate 2111, a plurality of movable blocks 2112 disposed on the jaw plate 2111, each movable block 2112 is provided with a fastening sleeve 2113, the fastening sleeves 2113 on the movable blocks 2112 can abut against each other to form a fastening ring for clamping the core rod 110, the movable blocks 2112 can be close to or away from each other, the fastening sleeves 2113 can move simultaneously along with the movable blocks 2112, when the plurality of fastening sleeves 2113 abut against each other, the fastening rings can be abutted against each other, and the core rod 110 can be clamped.

The body 200 is further provided with a shaft body 220, the jaw 211 is arranged along the shaft body 220, the body 200 is provided with a dragging component 230 for dragging the jaw 211 to slide along the shaft body 220, the movable block 2112 can move along with the jaw 211 in the process of moving along the shaft body 220, and the core rod 110 can be clamped or loosened along with the reciprocating sliding of the jaw 211 along the shaft body 220.

The dragging part 230 comprises an oil cylinder 231 fixedly installed on the machine body 200 and positioned above the clamping jaw 211, a connecting plate 232 is hinged on a piston rod of the oil cylinder 231, the connecting plate 232 is hinged with the clamping jaw 211, and a through groove 233 for the connecting plate 232 to penetrate through and move is formed in the machine body 200; the body 200 is provided with a rotating seat 240, the jaws 211 are rotatably mounted in the rotating seat 240, the dragging member 230 is connected with the rotating seat 240 to drag the rotating seat 240 to move, so that the jaws 211 move along with the rotating seat 240 without affecting the rotation of the jaws 211, the core bar 110 can keep rotating under the action of the rotation assisting device 250, and the jaws 211 can rotate along with the core bar 110 after fixing the core bar 110.

Referring to fig. 2, based on the above embodiment, in another embodiment of the present invention, the body 200 is further provided with a rotation assisting device 250 for rotating the core rod 110, the rotation assisting device 250 is used for rotating the core rod 110, the core rod 110 rotates along with the pipe when processing the pipe, the length of the core rod 110 is longer, if only one end of the core rod 110 provides rotation power, the torsion force applied to the whole core rod 110 is larger, the rotation assisting device 250 provides rotation power to the other end of the core rod 110, the torsion force on the core rod 110 can be reduced, and the service life of the core rod 110 is prolonged.

Specifically, the rotation assisting device 250 comprises a motor 251 arranged above the clamping jaw 211, an upper friction wheel 252 in transmission connection with the motor 251, and a lower friction wheel 253 arranged on the side of the clamping jaw 211, wherein the lower friction wheel 253 abuts against the upper friction wheel 252, the motor 251 can control the upper friction wheel 252 to rotate, and the lower friction wheel 253 can rotate in the direction opposite to that of the upper friction wheel 252 through abutting against the upper friction wheel 252.

Referring to fig. 3 and 4, based on the above embodiment, in another embodiment of the present invention, in order to prevent the pipe from contacting with the clamping jaw 211 during the moving process, the clamping jaw 211 needs to move downwards for a certain distance after releasing the core bar 110, the core bar clasping device 300 further includes a lift cylinder 330 capable of controlling the lifting of the clamping jaw 211 and a mounting plate 340 for mounting the driving member 320 and the clamping jaw 310, and the lift cylinder 330 is capable of controlling the lifting of the mounting plate 340 to achieve the lifting of the clamping jaw 310.

Referring to fig. 1 to 4, the present invention further discloses a high speed rolling mill, the fixing device of the core bar 110 is adopted, the rack 100 is provided with a slidable jacking trolley 400, which is used for pushing the end of the pipe to move, thereby increasing the transmission speed of the pipe, realizing high speed operation, the rack 100 is provided with an adjusting cylinder 500, the machine body 200 is slidably mounted on the rack 100 and connected with the adjusting cylinder 500, the adjusting cylinder 500 can adjust the position of the machine body 200 on the rack 100, when the pipe needs to move to the core bar 110, the clamping jaws 211 loosen the clamping of the core bar 110 to facilitate the pipe passing, then the adjusting cylinder 500 pushes the machine body 200 to move, so that the core bar 110 is separated from the machine body 200, the jacking trolley 400 can move to the end of the core bar 110 to push the pipe to move, the adjusting cylinder 500 controls the machine body 200 to reset to clamp the core bar 110, thus the movement of the jacking trolley 400 is not affected, the position of the core rod 110 is maintained under the action of the fixing device of the core rod 110, so that the processing of the pipe is not influenced.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims (8)

1. The core bar fixing device is characterized by comprising a rack, a machine body and a clamping device, wherein the machine body is slidably mounted on the rack, the clamping device is arranged on the machine body, a core bar is arranged on the rack, a pipe is conveyed along the core bar after passing through the clamping device, the clamping device comprises a clamping jaw, the clamping jaw clamps the core bar after the pipe is conveyed out of the clamping device to avoid the position change of the core bar in the axial direction, the rack is further provided with a core bar clamping device, the core bar clamping device comprises a clamping jaw and a driving piece for controlling the clamping jaw to clamp the core bar, the clamping jaw comprises two clamping arms which are hinged mutually, the end parts of the clamping arms are provided with hoops for clamping the core bar, and the hoops are provided with a plurality of needle bearings which are abutted against the core bar when the core bar is clamped.

2. The core bar fixing device of claim 1, wherein the jaw comprises a jaw disc and a plurality of movable blocks arranged on the jaw disc, each movable block is provided with a fastening sleeve, and the fastening sleeves on the plurality of movable blocks can be abutted to form a fastening ring for clamping the core bar.

3. The core bar fixing device of claim 2, wherein the body is provided with a shaft body and a dragging component for dragging the jaw to slide along the shaft body, and the dragging component controls the jaw to slide back and forth along the shaft body so that the jaw clamps or releases the core bar.

4. The core bar fixing device of claim 3, wherein the dragging member comprises an oil cylinder fixedly mounted on the body and located above the jaw, and a connecting plate is hingedly mounted on a piston rod of the oil cylinder and is hinged to the jaw.

5. The core bar fixing device according to claim 1, wherein the driving member comprises a driving cylinder, a piston rod of the driving cylinder is hinged with two connecting rods, the two connecting rods are respectively hinged with one of the clamping arms, the core bar clasping device further comprises a backing plate, and the two clamping arms are mounted on the backing plate through a same rotating shaft.

6. The mandrel fixture of claim 1 wherein the mandrel clasping apparatus further comprises a mounting plate on which the driving member and the clamping jaw are mounted and a lift cylinder connected to the mounting plate to control the lifting of the driving member and the clamping jaw.

7. The core bar fixing device according to claim 6, wherein the core bar clasping device further comprises a fixing plate, a guide rail is arranged on the fixing plate, a plurality of sliding blocks which are in sliding fit with the guide rail are fixedly arranged on the mounting plate, a supporting plate is fixedly arranged on the side portion of the mounting plate, and the supporting plate is connected with a piston rod on the lifting cylinder.

8. High speed rolling mill, characterized in that it comprises a core rod fixing device according to any of the preceding claims 1 to 7.

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