阅读说明：本技术 一种卧式挤压机芯棒的扶持装置 (Supporting device for horizontal extruder core rod ) 是由 李永革 向代忠 肖红 杨芳 杨哲 赵勇 于 2019-10-25 设计创作，主要内容包括：一种卧式挤压机芯棒的扶持装置,包括安装基座、驱动机构、扶持机构,所述安装基座设置在卧式挤压机的底座轨道上,由驱动机构驱动,沿卧式挤压机芯棒的轴向移动,所述扶持机构包括升降装置、安装平台、第一滚轮、第二滚轮,所述安装平台滑动配合在安装基座上,由升降装置驱动沿高度方向动作,且位置可锁定,所述第一滚轮、第二滚轮设置在安装平台上,位于卧式挤压机芯棒的下方且呈对称分布,第一滚轮、第二滚轮的轴的延伸线相交呈V形。本发明结构简单、使用方便,可有效防止卧式挤压机芯棒向下弯曲变形,保证卧式挤压机芯棒的刚度及使用寿命。(The utility model provides a support device of horizontal extruder plug, includes mounting base, actuating mechanism, support mechanism, the mounting base sets up on the base track of horizontal extruder, is driven by actuating mechanism, along the axial displacement of horizontal extruder plug, support mechanism includes elevating gear, mounting platform, first gyro wheel, second gyro wheel, mounting platform sliding fit is on mounting base, is followed the direction of height by the elevating gear drive and is moved, and position lockable, first gyro wheel, second gyro wheel set up on mounting platform, are located the below of horizontal extruder plug and are the symmetric distribution, and the extension line of the axle of first gyro wheel, second gyro wheel is crossing to be the V-arrangement. The horizontal extruder core rod bending device is simple in structure and convenient to use, can effectively prevent the horizontal extruder core rod from bending and deforming downwards, and guarantees the rigidity and the service life of the horizontal extruder core rod.)

1. The utility model provides a support device of horizontal extruder plug which characterized in that: comprises a mounting base (1), a driving mechanism (2) and a supporting mechanism (3),

the mounting base (1) is arranged on a base track of the horizontal extruder, is driven by the driving mechanism (2) to move along the axial direction of the horizontal extruder mandrel,

the supporting mechanism (3) comprises a lifting device (4), a mounting platform (5), a first roller (6) and a second roller (7), the mounting platform (5) is in sliding fit with the mounting base (1), is driven by the lifting device (4) to move along the height direction, and can be locked in position, the first roller (6) and the second roller (7) are arranged on the mounting platform (5), are located below the horizontal extruder mandrel and are symmetrically distributed, and extension lines of shafts of the first roller (6) and the second roller (7) are intersected and are in a V shape.

2. The apparatus of claim 1, wherein: the mounting base (1) is matched on a base rail of the horizontal extruder in a sliding or rolling manner.

3. The apparatus of claim 1, wherein: the driving mechanism (2) is a hydraulic cylinder, the cylinder body of the hydraulic cylinder is fixed on the horizontal extruder, and the piston rod of the hydraulic cylinder extends horizontally and is hinged with the mounting base (1).

4. The apparatus of claim 1, wherein: be equipped with many vertical guide screw (8) that upwards extend on mounting base (1), the fixed a plurality of guide cylinders (9) that are equipped with in bottom surface of mounting platform (5), guide cylinder (9) and guide screw (8) one-to-one, mounting platform (5) are established on guide screw (8) of mounting base (1) through guide cylinder (9) cover, form sliding fit.

5. The apparatus of claim 4, wherein: and each guide screw (8) is respectively in threaded fit with a locking nut (10), and the locking nut (10) is positioned below the guide cylinder (9) and locks the height of the mounting platform (5).

6. The apparatus of claim 1, wherein: elevating gear (4) are including setting up screw nut pair (11) in mounting platform (5) bottom surface to and set up bevel gear pair (12) on mounting base (1), the vertical downwardly extending of screw rod of screw nut pair (11), with the output bevel gear circumferential connection of bevel gear pair (12), the input bevel gear and a power shaft (13) circumferential connection of bevel gear pair (12), drive mounting platform (5) go up and down.

7. The apparatus of claim 6, wherein: an output bevel gear and an input bevel gear of the bevel gear pair (12) are respectively rotatably arranged on the mounting base (1) through bearings.

8. The apparatus of claim 6, wherein: the outward extending end of the power shaft (13) is fixedly connected with a hand wheel (14) in the circumferential direction.

9. The apparatus of claim 6, wherein: the output bevel gear of the bevel gear pair (12) is a large-diameter gear, and the input bevel gear is a small-diameter gear.

10. The apparatus of claim 1, wherein: the number of the first rollers (6) and the second rollers (7) is one or more, the first rollers (6) are arranged in parallel along the axial direction of the horizontal type extruder mandrel and have a spacing distance, and the second rollers (7) are arranged in parallel along the axial direction of the horizontal type extruder mandrel and have a spacing distance.

Technical Field

The invention relates to the field of mechanical engineering, in particular to a supporting device for a horizontal extruder core rod.

Background

The horizontal extruder is to put the vertical molding press horizontally, to add a blanking chamber and a pressing chamber, to install a pressing nozzle in front of the pressing chamber, and to press and mold the paste material through the pressing nozzle.

The core rod matched with the horizontal extruder, especially for the large-stroke horizontal extruder, is longer in length and bends and deforms downwards under the action of gravity, so that the rigidity of the core rod is reduced in the paste extruding process, after long-term operation, the bending deformation degree of the core rod is increased, the quality of an extruded workpiece is affected, and the matched core rod is seriously damaged.

Disclosure of Invention

The invention aims to provide a supporting device for a horizontal extruder mandrel, which has a simple structure and is convenient to use, can effectively prevent the horizontal extruder mandrel from bending and deforming downwards, and ensures the rigidity and the service life of the horizontal extruder mandrel.

The technical scheme of the invention is as follows: the utility model provides a support device of horizontal extruder plug, includes mounting base, actuating mechanism, support mechanism, the mounting base sets up on the base track of horizontal extruder, is driven by actuating mechanism, along the axial displacement of horizontal extruder plug, support mechanism includes elevating gear, mounting platform, first gyro wheel, second gyro wheel, mounting platform sliding fit is on mounting base, is followed the direction of height by the elevating gear drive and is moved, and position lockable, first gyro wheel, second gyro wheel set up on mounting platform, are located the below of horizontal extruder plug and are the symmetric distribution, and the extension line of the axle of first gyro wheel, second gyro wheel is crossing to be the V-arrangement.

The mounting base is matched on a base rail of the horizontal extruder in a sliding or rolling mode.

The driving mechanism is a hydraulic cylinder, a cylinder body of the hydraulic cylinder is fixed on the horizontal extruder, and a piston rod of the hydraulic cylinder extends horizontally and is hinged with the mounting base.

The mounting base is provided with a plurality of vertical guide screws extending upwards, the bottom surface of the mounting platform is fixedly provided with a plurality of guide cylinders, the guide cylinders correspond to the guide screws one to one, and the mounting platform is sleeved on the guide screws of the mounting base through the guide cylinders to form sliding fit.

And each guide screw is respectively in threaded fit with a locking nut, and the locking nut is positioned below the guide cylinder and locks the height of the mounting platform.

The lifting device comprises a screw and nut pair arranged on the bottom surface of the mounting platform and a bevel gear pair arranged on the mounting base, wherein a screw of the screw and nut pair vertically extends downwards and is circumferentially connected with an output bevel gear of the bevel gear pair, an input bevel gear of the bevel gear pair is circumferentially connected with a power shaft, and the mounting platform is driven to lift.

And an output bevel gear and an input bevel gear of the bevel gear pair are respectively rotatably arranged on the mounting base through bearings.

The outward extending end of the power shaft is fixedly connected with a hand wheel in the circumferential direction.

The output bevel gear of the bevel gear pair is a large-diameter gear, and the input bevel gear is a small-diameter gear.

The number of the first idler wheels and the second idler wheels is one or more, the first idler wheels are arranged in parallel along the axial direction of the horizontal type extruding machine core rod and have a spacing distance, and the second idler wheels are arranged in parallel along the axial direction of the horizontal type extruding machine core rod and have a spacing distance.

Adopt above-mentioned technical scheme to have following beneficial effect:

1. the supporting device of the horizontal extruder mandrel comprises a mounting base, a driving mechanism and a supporting mechanism. The mounting base is arranged on a base rail of the horizontal extruder and driven by the driving mechanism to move along the axial direction of the horizontal extruder mandrel, namely, the mounting base can be driven by the driving mechanism to move synchronously with the horizontal extruder mandrel on the base rail of the horizontal extruder. The supporting mechanism comprises a lifting device, a mounting platform, a first roller and a second roller, the mounting platform is in sliding fit with the mounting base and driven by the lifting device to move in the height direction, and the position of the mounting platform can be locked, namely the height of the mounting platform can be adjusted and the height of the mounting platform can be locked. The first idler wheel and the second idler wheel are arranged on the mounting platform, are positioned below the mandril of the horizontal extruder and are symmetrically distributed, the extension lines of the shafts of the first idler wheel and the second idler wheel are crossed to form a V shape, the first idler wheel and the second idler wheel are driven to respectively abut against two sides of the lower half part of the periphery of the mandril of the horizontal extruder by adjusting the height of the mounting platform, the height of the mounting platform is locked, the rod sections corresponding to the mandril of the horizontal extruder are effectively supported, the extension lines of the shafts are crossed to form a V-shaped first idler wheel and a V-shaped second idler wheel distribution mode, the horizontal mandril of the horizontal extruder with different diameters can be effectively supported, and the adaptability is wider. When the horizontal extruder mandrel works, the driving mechanism drives the mounting base and the horizontal extruder mandrel to synchronously move, so that the supporting strength of the corresponding mandrel section of the horizontal extruder mandrel is maintained, the horizontal extruder mandrel is effectively prevented from bending and deforming downwards due to the action of gravity, and the rigidity of the horizontal extruder mandrel is maintained. In addition, the first roller and the second roller can rotate around the shaft, so that the mandrel of the horizontal extruder can be effectively prevented from being scratched, and the service life of the mandrel of the horizontal extruder is ensured.

2. Be equipped with many vertical guide screw who upwards extends on the mounting base, mounting platform's the fixed a plurality of guide cylinders that are equipped with in bottom surface, guide cylinder and guide screw one-to-one, mounting platform passes through the guide cylinder cover and establishes on mounting base's guide screw, forms sliding fit, so the installation, dismantle mounting platform all comparatively convenient, the maintenance cost is lower. And each guide screw is respectively in threaded fit with a locking nut, the locking nut is positioned below the guide cylinder, the height of the mounting platform is locked, and the height of the mounting platform is locked through the locking nut, so that the operation is convenient and simple, the locking strength of the mounting platform is high, and the support stability of the first roller and the second roller on the horizontal extruder mandrel is effectively ensured.

3. The lifting device comprises a screw and nut pair arranged on the bottom surface of the mounting platform and a bevel gear pair arranged on the mounting base, wherein a screw of the screw and nut pair vertically extends downwards and is circumferentially connected with an output bevel gear of the bevel gear pair, an input bevel gear of the bevel gear pair is circumferentially connected with a power shaft, the mounting platform is driven to lift, the power shaft drives the input bevel gear to rotate, the input bevel gear drives the output bevel gear and a screw of the screw and nut pair to rotate, the screw of the screw and nut pair is in threaded fit with a nut of the screw and nut pair, and the nut of the screw and nut pair is driven to ascend or descend along the axial direction of the screw.

4. The output bevel gear of the bevel gear pair is a large-diameter gear, the input bevel gear is a small-diameter gear, and the bevel gear pair and the input bevel gear are combined to form a labor-saving gear pair, so that the labor intensity of workers is reduced, and the lifting precision of the mounting platform can be effectively improved.

5. The quantity of first gyro wheel, the second gyro wheel is one or more, a plurality of first gyro wheels are along the axial parallel arrangement of horizontal extruder plug, and have the spacing distance, a plurality of second gyro wheels are along the axial parallel arrangement of horizontal extruder plug, and have the spacing distance, if the length of horizontal extruder plug is short, first gyro wheel, the second gyro wheel design can satisfy supporting strength for one, avoid the demand of horizontal extruder plug bending deformation downwards, if the length of horizontal extruder plug is longer, the quantity design of first gyro wheel, the second gyro wheel is a plurality of, it is longer to the support scope of horizontal extruder plug, can effectively satisfy supporting strength, avoid the demand of horizontal extruder plug bending deformation downwards.

The following further description is made with reference to the accompanying drawings and detailed description.

Drawings

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

FIG. 2 is a sectional view taken at H-H of FIG. 1;

fig. 3 is a schematic view of the assembly of the present invention with a horizontal extruder.

In the attached drawing, 1 is a mounting base, 2 is a driving mechanism, 3 is a supporting mechanism, 4 is a lifting device, 5 is a mounting platform, 6 is a first roller, 7 is a second roller, 8 is a guide screw, 9 is a guide cylinder, 10 is a locking nut, 11 is a screw nut pair, 12 is a bevel gear pair, 13 is a power shaft, 14 is a hand wheel, 15 is a horizontal extruder mandrel, and 16 is a base track.

Detailed Description

In the present invention, the components of specific structure and connection mode are not indicated, and the components and connection mode are generally conventional.

Referring to fig. 1 to 3, a specific embodiment of a mandrel holding device of a horizontal extruder is shown. The supporting device of the horizontal extruder mandrel comprises a mounting base 1, a driving mechanism 2 and a supporting mechanism 3. The installation base 1 is arranged on a base rail 16 of the horizontal extruder and driven by the driving mechanism 2 to move along the axial direction of a mandrel of the horizontal extruder, the installation base 1 can be matched on the base rail of the horizontal extruder in a sliding or rolling manner, in the embodiment, the installation base is matched on the base rail of the horizontal extruder in a sliding manner, the driving mechanism 2 is a hydraulic cylinder, a cylinder body of the hydraulic cylinder is fixed on the horizontal extruder, a piston rod of the hydraulic cylinder extends horizontally and is hinged with the installation base 1, specifically, a hinged seat is fixedly arranged on the side wall, opposite to the driving mechanism, of the installation base through a bolt, and the extending end of the piston rod of the hydraulic cylinder is hinged with the hinged seat. The supporting mechanism 3 comprises a lifting device 4, a mounting platform 5, a first roller 6 and a second roller 7. The mounting platform 5 is matched on the mounting base 1 in a sliding way and is driven by the lifting device 4 to act along the height direction, and the position can be locked, in this embodiment, the mounting base 1 is provided with a plurality of guide screws 8 extending vertically upwards, specifically, the number of the guide screws is four, the guide screws are distributed in a 2 x 2 matrix, the lower ends of the guide screws are integrally formed with mounting flanges, a plurality of bolts penetrate through the mounting flange to be in threaded fit with the mounting base, the guide screws are fixed on the top surface of the mounting base, a plurality of guide cylinders 9 are fixedly arranged on the bottom surface of the mounting platform 5, the guide cylinders 9 correspond to the guide screws 8 one by one, namely, the number of the guide cylinders is four, the guide cylinders are distributed in a 2 x 2 matrix, the mounting flange is integrally formed at the upper end of each guide cylinder, the guide cylinder is fixed on the bottom surface of the mounting platform by the bolt penetrating through the mounting flange and being in threaded fit with the mounting platform. The mounting platform 5 is sleeved on the guide screw rods 8 of the mounting base 1 through the guide cylinders 9 to form sliding fit, in order to guarantee locking strength, locking nuts 10 are respectively in threaded fit on the guide screw rods 8, the locking nuts 10 are located below the guide cylinders 9 to lock the height of the mounting platform 5, and one or two locking nuts can be respectively in threaded fit on each guide screw rod according to actual needs. The lifting device 4 comprises a screw nut pair 11 arranged on the bottom surface of the mounting platform 5 and a bevel gear pair 12 arranged on the mounting base 1, the screw nut pair is positioned in the middle of the four guide cylinders, the bevel gear pair is positioned in the middle of the four guide screws, concretely, a mounting flange is integrally formed at the upper end of a nut of the screw nut pair, a nut of the screw nut pair is fixed in the middle of the bottom surface of the mounting platform by a plurality of bolts penetrating through the mounting flange, the upper end of a screw of the screw nut pair 11 is in threaded fit with the nut of the screw nut pair, the lower end of the screw is vertically extended downwards and is circumferentially connected with an output bevel gear of the bevel gear pair 12, an input bevel gear of the bevel gear pair 12 is circumferentially connected with a power shaft 13 to drive the mounting platform 5 to lift, concretely, the output bevel gear and the input bevel gear of the bevel gear pair 12 are respectively rotatably, the overhanging end of power shaft 13 and a hand wheel 14 circumference fixed connection, for laborsaving, and improve mounting platform's lift precision, the input bevel gear of bevel gear pair is minor diameter gear, and the output bevel gear of bevel gear pair is major diameter gear, in order to avoid the foreign matter to interfere the bevel gear pair, fixedly on the mounting base be provided with and shield the case, the assembly of bevel gear pair is in shielding the incasement. The first idler wheels 6 and the second idler wheels 7 are arranged on the mounting platform 5, are located below the horizontal extruder mandrel 15 and are symmetrically distributed, the extension lines of the shafts of the first idler wheels 6 and the second idler wheels 7 are crossed to form a V shape, if the length of the horizontal extruder mandrel is short, the number of the first idler wheels 6 and the number of the second idler wheels 7 are only one, if the length of the horizontal extruder mandrel is long, the number of the first idler wheels 6 and the number of the second idler wheels 7 are multiple, the multiple first idler wheels 6 are arranged in parallel along the axial direction of the horizontal extruder mandrel and have a spacing distance, and the multiple second idler wheels 7 are arranged in parallel along the axial direction of the horizontal extruder mandrel and have a spacing distance.

The working principle of the invention is that the hand wheel is manually rotated to adjust the height of the mounting platform, the first roller and the second roller are driven to respectively abut against two sides of the lower half part of the circumferential surface of the mandrel of the horizontal extruder, the height of the locking nut is rotated to abut against the lower end of the corresponding guide cylinder, and the height of the mounting platform is locked to effectively support the corresponding rod section of the mandrel of the horizontal extruder. When the horizontal extruder mandrel works, the driving mechanism drives the mounting base and the horizontal extruder mandrel to synchronously move, so that the supporting strength of the corresponding mandrel section of the horizontal extruder mandrel is maintained, the horizontal extruder mandrel is effectively prevented from bending and deforming downwards due to the action of gravity, and the rigidity of the horizontal extruder mandrel is maintained.