CN210730837U

CN210730837U - Feeding manipulator of cross wedge rolling mill

Info

Publication number: CN210730837U
Application number: CN201921380909.9U
Authority: CN
Inventors: 徐建东
Original assignee: Tianjin Zhongzhong Science Technology and Engineering Co Ltd
Current assignee: Tianjin Zhongzhong Science Technology and Engineering Co Ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-06-12
Anticipated expiration: 2029-08-23

Abstract

The utility model belongs to the technical field of steel rolling equipment, in particular to a feeding manipulator of a cross wedge rolling mill; the device comprises a clamping mechanism, a transmission device, a feeding device, an installation box body, a traveling wheel, a guide rail and a drag chain; the transmission device is detachably and fixedly arranged on a box body bottom plate of the mounting box body, the clamping mechanism comprises a four-jaw chuck which can be rotatably mounted, and the four-jaw chuck drives the four-jaw chuck to rotate through the transmission device; the travelling wheels are rotatably arranged below the bottom plate of the box body, the guide rails are horizontally arranged on the ground foundation, and the travelling wheels are supported on the guide rails in a rolling manner; the feeding device comprises a hydraulic cylinder, a hydraulic cylinder base and a connecting seat; the utility model discloses can solve present wedge cross rolling mill and be not suitable for the poor problem of small batch production, flexibility ratio to overcome the limitation that present wedge cross rolling mill exists in the use.

Description

Feeding manipulator of cross wedge rolling mill

Technical Field

The utility model belongs to the technical field of steel rolling equipment, especially, relate to a cross wedge rolling mill feeding manipulator.

Background

Cross wedge rolling is a steel rolling technology appearing in 1961, and is suitable for rolling variable-section revolved bodies, at present, hundreds of shaft parts and blanks thereof are produced in many countries in the world by adopting a cross wedge rolling process, hollow solid shaft parts such as wagon axles, motor shafts and the like are successfully rolled, various solid or hollow step-shaped shaft parts can be produced by a cross wedge rolling method, and the process can be used for producing part blanks, supplying blanks for further plastic processing and realizing finish machining with less cuttings or no cuttings. Compared with the traditional forging or cutting process, the cross wedge rolling process has the following advantages: the wedge cross rolling device has the advantages of high production efficiency, high material utilization rate, good product quality, no impact in the wedge cross rolling forming process, low noise, greatly improved working environment, high automation degree and the like.

However, cross wedge rolling also has a certain degree of limitation, is suitable for mass production of shaft parts, is not suitable for small-batch production, cannot roll large-sized parts, and is limited in the length of rolled bars.

Disclosure of Invention

In view of this, the utility model aims at providing a cross wedge rolling mill feeding manipulator to solve present cross wedge rolling mill and be not suitable for small batch production, the poor problem of flexibility ratio, in order to overcome the limitation that present cross wedge rolling mill exists in the use.

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

a feeding manipulator of a cross wedge rolling mill comprises a clamping mechanism, a transmission device, a feeding device, an installation box body, a traveling wheel and a guide rail;

the transmission device is detachably and fixedly arranged on a box body bottom plate of the mounting box body, the clamping mechanism comprises a four-jaw chuck which can be rotatably mounted, and the four-jaw chuck drives the four-jaw chuck to rotate through the transmission device; the travelling wheels are rotatably arranged below the bottom plate of the box body, the guide rails are horizontally arranged on the ground foundation, and the travelling wheels are supported on the guide rails in a rolling manner;

the feeding device comprises a hydraulic cylinder, a hydraulic cylinder base and a connecting seat, wherein the hydraulic cylinder base is installed on the ground, the hydraulic cylinder is fixedly connected to the hydraulic cylinder base in a supporting mode, and a piston rod of the hydraulic cylinder is connected to a box body bottom plate through the connecting seat.

Further, the clamping mechanism further comprises a chuck mounting shaft, the four-jaw chuck is detachably connected to the chuck mounting shaft, the chuck mounting shaft is rotatably mounted in the mounting box body, and meanwhile, the chuck mounting shaft is connected with the transmission device.

Further, the transmission device comprises a motor, a transmission shaft and a gear transmission structure; the transmission shaft is rotatably installed in the installation box body, the output shaft of the motor is in transmission connection with the transmission shaft, and the transmission shaft is connected with the chuck installation shaft through a gear transmission structure.

Furthermore, an output shaft of the motor is in transmission connection with the transmission shaft through a belt transmission structure, the driving belt pulley is installed on the output shaft of the motor, and the driven belt pulley is installed on the transmission shaft through the overrunning clutch.

Further, the motor adopts a speed reduction motor.

Furthermore, the hydraulic cylinder also comprises a spring bracket which is elastically supported at the rear part of the hydraulic cylinder.

Further, the spring support comprises a bracket and a cylinder support, the bracket is detachably and fixedly installed at the rear end of the hydraulic cylinder base, the cylinder support is elastically supported on the bracket through a spring, and the hydraulic cylinder is supported on the cylinder support.

Further, the spring support also comprises a stud, a spring and a fastening nut; the bracket comprises a horizontal positioning plate, a positioning hole is formed in the positioning plate, the cylinder support is an arc-shaped plate with a flanging, a mounting hole is formed in the flanging of the cylinder support, the spring is extruded between the flanging of the cylinder support and the positioning plate, the stud penetrates through the mounting hole and the spring, the lower end of the stud is screwed in the positioning hole, and the fastening nut is screwed at the upper end of the stud.

Furthermore, the tail part of the hydraulic cylinder is provided with a displacement sensor.

Compared with the prior art, the utility model discloses following advantage has:

the feeding manipulator of the cross wedge rolling mill of the utility model has the functions of clamping a workpiece and simultaneously rotating and feeding the workpiece, so that the workpiece can be smoothly rolled in the rolling mill; the utility model discloses can solve present wedge cross rolling mill and be not suitable for small batch production, the poor problem of flexibility ratio, fill the blank that uses the rolling large-scale gyration class part of wedge cross rolling mill group's stick small batch production technology, solve traditional wedge cross rolling mill's limitation, realize replacing forged purpose with rolling, market perspective is wide.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a view taken along line A of FIG. 1;

FIG. 4 is a schematic view of the mounting structure of the transmission device in the present invention;

FIG. 5 is a schematic view of the mounting structure of the spring bracket at the rear end of the hydraulic cylinder;

FIG. 6 is a top view of FIG. 5;

FIG. 7 is a schematic structural view of the bracket;

FIG. 8 is a right side view of FIG. 7;

FIG. 9 is a schematic view of the construction of the cylinder prop;

fig. 10 is a schematic view of the installation of the displacement sensor at the tail of the hydraulic cylinder.

Description of reference numerals:

1-a clamping mechanism; 11-a four-jaw chuck; 12-chuck mounting shaft; 21-a motor; 22-a belt drive arrangement; 221-an overrunning clutch; 23-a drive shaft; 24-a gear transmission structure; 241-a drive gear; 242-a driven gear; 31-a hydraulic cylinder; 311-a piston rod; 32-a hydraulic cylinder base; 33-a displacement sensor; 331-induction bar; 332-a magnetic ring; 34-a connecting seat; 35-a spring support; 351-a bracket; 3511-support plate; 3512-positioning plate; 3513-connecting plate; 3514-reinforcing floor; 3515-locating holes; 352-cylinder support; 3521-mounting holes; 353-a stud; 354-a spring; 355-a fastening nut; 4-travelling wheels; 5-a guide rail; 6-a workpiece; 7, mounting a box body; 71-a box bottom plate; 8-drag chain.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being 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", etc. 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," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in figures 1-4, a feeding manipulator of a cross wedge rolling mill comprises a clamping mechanism 1, a transmission device, a feeding device, a mounting box body 7, a travelling wheel 4 and a guide rail 5.

Transmission can dismantle fixed mounting on the box bottom plate 71 of installation box 7, fixture 1 includes four-jaw chuck 11 and a chuck installation axle 12 of a rotatable installation, four-jaw chuck 11 can dismantle through the screw and connect on chuck installation axle 12, chuck installation axle 12 can be installed in installation box 7 through two bearings is rotatable, specifically, two bearings overlap respectively on chuck installation axle 12, and two bearing nestings are installed in two lateral walls of installation box 7, and simultaneously, chuck installation axle 12 links to each other with transmission, drive its rotation through transmission. The utility model discloses in, the work piece 6 is cliied to the four-jaw chuck 11 that the utilization can be followed 6 diameter direction of work piece and remove, and four-jaw chuck 11 adopts the model to be PS-16 thousand island interlock type four-jaw chuck 11, and the four-jaw chuck 11 of chooseing for use in this embodiment is manual type chuck.

The travelling wheels 4 are rotatably arranged below the box body bottom plate 71, the guide rails 5 are used for providing guiding and supporting for feeding action of the device and can be steel rails (such as I-shaped steel guide rails) or other sliding guide rails, the guide rails 5 are horizontally arranged on the ground foundation, the travelling wheels 4 can be I-shaped wheels, and the travelling wheels 4 are supported on the guide rails 5 in a rolling manner;

the feeding device comprises a hydraulic cylinder 31, a hydraulic cylinder base 32 and a connecting seat 34, the feeding device is used for pushing the installation box 7 with the clamping mechanism 1 and the workpiece 6 to perform feeding action through a piston rod 311 of the hydraulic cylinder 31, wherein the hydraulic cylinder base 32 is installed on the ground and used for supporting the hydraulic cylinder 31, the hydraulic cylinder 31 is supported and fixedly connected to the hydraulic cylinder base 32, and the piston rod 311 of the hydraulic cylinder 31 is connected to a box bottom plate 71 through the connecting seat 34.

The tail part of the hydraulic cylinder 31 is provided with a displacement sensor 33; the displacement sensor 33 is used for detecting the traveling displacement of the piston rod 311 of the hydraulic cylinder 31, wherein an induction rod 331 in the displacement sensor 33 is inserted into a central mounting hole 3521 of the piston rod 311, a magnetic ring 332 in the displacement sensor 33 is mounted at the tail of the piston rod 311 (as shown in fig. 10), the magnetic ring 332 moves linearly along with the piston rod 311, a magnetic field is generated in the induction rod 331 and is finally converted into an electric signal to be output, the displacement sensor 33 is communicated with a controller in the cross wedge rolling mill through a communication signal, the two are connected conventionally, the displacement signal is transmitted to the controller, and the stroke of the piston rod 311 is controlled through the controller, so that the piston rod 311 of the hydraulic cylinder 31 can be fed for a set stroke as required, and further the box body and the clamping mechanism 1 are pushed to realize the.

The transmission device comprises a motor 21, a transmission shaft 23 and a gear transmission structure 24; the transmission shaft 23 is rotatably installed in the installation box body 7 through a bearing, an output shaft of the motor 21 is in transmission connection with the transmission shaft 23, and the transmission shaft 23 and the chuck installation shaft 12 are connected through a gear transmission structure 24. The driving gear 241 is mounted on the transmission shaft 23 through key connection, the driven gear 242 is mounted on the chuck mounting shaft 12 through key connection, the driving gear 241 is meshed with the driven gear 242, and the change of the rotating speed between the two shafts is realized through a set transmission ratio. Preferably, the motor 21 employs a reduction motor 21.

Wherein, the output shaft of motor 21 passes through belt drive structure 22 transmission with transmission shaft 23 and is connected, and driving pulley installs on the output shaft of motor 21 the utility model discloses in, driven pulley installs on transmission shaft 23 through freewheel clutch 221. The overrunning clutch 221 is installed between the driven pulley and the transmission shaft 23, and the overrunning clutch 221 is installed to eliminate mechanical interference generated by speed inconsistency in the equipment. During the operation of the cross wedge rolling mill, the workpiece 6 is deformed between two rotating rolls of the rolling mill, the motor 21 only provides an initial starting speed to rotate the workpiece 6, when the workpiece 6 rotates along with the rolling mill in the rolling mill, the rotating speed of the workpiece 6 may exceed the rotating speed of the motor 21, so that mechanical interference occurs between the motor 21 and the rolling mill, and the overrunning clutch 221 is used for eliminating the mechanical interference caused by the inconsistent rotating speeds of the workpiece 6 and the motor 21 when the rotating speed of the workpiece is greater than the output rotating speed of the motor 21.

The utility model discloses in, still include a spring bracket 35, spring bracket 35 is used for supporting pneumatic cylinder 31 rear portion weight and buffering vibration, and spring bracket 35 elastic support is at pneumatic cylinder 31 rear portion. Specifically, as shown in fig. 5 to 6, the spring support 35 includes a bracket 351 and a cylinder mount 352, the bracket 351 is detachably and fixedly mounted at the rear end of the hydraulic cylinder base 32, the cylinder mount 352 is elastically supported on the bracket 351 by a spring 354, and the hydraulic cylinder 31 is supported on the cylinder mount 352. The spring support 35 further comprises a stud 353, a spring 354 and a fastening nut 355; the bracket 351 comprises a horizontal positioning plate 3512, a positioning hole 3515 is formed in the positioning plate 3512, the cylinder support 352 is an arc-shaped plate with a flange (shown in fig. 9), a mounting hole 3521 is formed in the flange of the cylinder support 352, the spring 354 is squeezed between the flange of the cylinder support 352 and the positioning plate 3512, the stud 353 penetrates through the mounting hole 3521 and the spring 354, the lower end of the stud 353 is screwed in the positioning hole 3515, and the fastening nut 355 is screwed at the upper end of the stud 353 to prevent the cylinder support 352 and the spring 354 from falling out. As shown in fig. 7-8, in the present embodiment, the bracket 351 includes a horizontal supporting plate 3511, the positioning plate 3512 is fixedly connected above the supporting plate 3511, the bracket 351 further includes a connecting plate 3513 vertically and fixedly connected to one end of the supporting plate 3511, the connecting plate 3513 is used for connecting the bracket 351 to the hydraulic cylinder base 32 through bolts, and a reinforcing rib plate 3514 is fixedly supported between the supporting plate 3511 and the connecting plate 3513.

Preferably, the utility model discloses in still be equipped with tow chain 8, consider that the bearing in the equipment needs to be lubricated and there is lubricated pipeline to and the cable line etc. of motor, adorn these pipelines in tow chain 8, play support, fixed, pull and guard action to the pipeline, have the effect of beautifying the outward appearance concurrently.

The feeding manipulator of the cross wedge rolling mill of the utility model has the functions of clamping the workpiece 6 and simultaneously rotating and feeding the workpiece 6, so that the workpiece 6 can be smoothly rolled in the rolling mill; in the utility model, the four-jaw chuck 11 which can be opened and closed is used for clamping the workpiece 6, the workpiece 6 is correctly aligned with the pass of the rolling mill by feeding in the direction parallel to the roller direction, and then the workpiece 6 is sent to the pass, so that the centering performance is good; the feeding step pitch of the workpiece 6 is detected and controlled by the displacement sensor 33, so that a set of hole patterns can be used for rolling multiple step sections with different lengths; a transmission device with a gear and a speed reducing motor 21 is used for enabling the workpiece 6 to rotate along with the roller so as to solve the problem of insufficient friction force during initial biting; and the overrunning clutch 221 device is used in the transmission device to solve the problem of speed mismatching of the biting back roller and the workpiece 6.

The utility model discloses can solve present wedge cross rolling mill and be not suitable for small batch production, the poor problem of flexibility ratio, fill the blank that uses the rolling large-scale gyration class part of wedge cross rolling mill group's stick small batch production technology, solve traditional wedge cross rolling mill's limitation, realize replacing forged purpose with rolling, market perspective is wide.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A feeding manipulator of a cross wedge rolling mill is characterized in that: comprises a clamping mechanism (1), a transmission device, a feeding device, a mounting box body (7), a travelling wheel (4) and a guide rail (5);

the transmission device is detachably and fixedly arranged on a box body bottom plate (71) of the mounting box body (7), the clamping mechanism (1) comprises a four-jaw chuck (11) which can be rotatably arranged, and the four-jaw chuck (11) is driven to rotate through the transmission device; the walking wheels (4) are rotatably arranged below the box body bottom plate (71), the guide rails (5) are horizontally arranged on the ground foundation, and the walking wheels (4) are supported on the guide rails (5) in a rolling manner;

the feeding device comprises a hydraulic cylinder (31), a hydraulic cylinder base (32) and a connecting seat (34), wherein the hydraulic cylinder base (32) is installed on the ground, the hydraulic cylinder (31) is supported and fixedly connected on the hydraulic cylinder base (32), and a piston rod (311) of the hydraulic cylinder (31) is connected to a box body bottom plate (71) through the connecting seat (34).

2. The cross wedge mill feeding manipulator of claim 1, wherein: the clamping mechanism (1) further comprises a chuck mounting shaft (12), the four-jaw chuck (11) is detachably connected with the chuck mounting shaft (12), the chuck mounting shaft (12) can be rotatably mounted in the mounting box body (7), and meanwhile, the chuck mounting shaft (12) is connected with the transmission device.

3. The cross wedge mill feeding manipulator of claim 1, wherein: the transmission device comprises a motor (21), a transmission shaft (23) and a gear transmission structure (24); the transmission shaft (23) is rotatably arranged in the mounting box body (7), the output shaft of the motor (21) is in transmission connection with the transmission shaft (23), and the transmission shaft (23) is connected with the chuck mounting shaft (12) through a gear transmission structure (24).

4. The cross wedge mill feeding manipulator of claim 3, wherein: an output shaft of the motor (21) is in transmission connection with the transmission shaft (23) through a belt transmission structure (22), a driving belt pulley is installed on the output shaft of the motor (21), and a driven belt pulley is installed on the transmission shaft (23) through an overrunning clutch (221).

5. The cross wedge mill feeding manipulator of claim 3, wherein: the motor (21) adopts a speed reducing motor (21).

6. The cross wedge mill feeding manipulator of claim 1, wherein: the hydraulic cylinder also comprises a spring support (35), and the spring support (35) is elastically supported at the rear part of the hydraulic cylinder (31).

7. The cross wedge mill feeding manipulator of claim 6, wherein: the spring support (35) comprises a bracket (351) and a cylinder support (352), the bracket (351) is detachably and fixedly installed at the rear end of the hydraulic cylinder base (32), the cylinder support (352) is elastically supported on the bracket (351) through a spring (354), and the hydraulic cylinder (31) is supported on the cylinder support (352).

8. The cross wedge mill feeding manipulator of claim 7, wherein: the spring support (35) further comprises a stud (353), a spring (354) and a fastening nut (355); the bracket (351) comprises a horizontal positioning plate (3512), a positioning hole (3515) is formed in the positioning plate (3512), the cylinder support (352) is an arc-shaped plate with a flanging, a mounting hole (3521) is formed in the flanging of the cylinder support (352), the spring (354) is extruded between the flanging of the cylinder support (352) and the positioning plate (3512), the stud (353) penetrates through the mounting hole (3521) and the spring (354), the lower end of the stud (353) is screwed in the positioning hole (3515), and the fastening nut (355) is screwed in the upper end of the stud (353).

9. The cross wedge mill feeding manipulator of claim 1, wherein: the tail part of the hydraulic cylinder (31) is provided with a displacement sensor (33).