CN218403400U

CN218403400U - Compression roller assembly dismounting device of granulator

Info

Publication number: CN218403400U
Application number: CN202221554902.6U
Authority: CN
Inventors: 褚柯; 王朋博; 曲东阁; 马云钰
Original assignee: Muyuan Foods Co Ltd
Current assignee: Muyuan Foods Co Ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2023-01-31
Anticipated expiration: 2032-06-21

Abstract

The utility model relates to a feed production processing auxiliary assembly technical field especially relates to a granulator compression roller assembly dismounting device, including the bottom sprag, the bottom sprag is equipped with the slot that the unipolar that is used for the compression roller assembly falls into downwards, and the degree of depth of slot is greater than unipolar length, and the edge of slot is used for supporting the compression roller shell of compression roller assembly, and the slot top of bottom sprag is equipped with the ejection mechanism who is used for following its axial direction application of force downwards to the unipolar, and the top of bottom sprag is equipped with the lifting by crane mechanism that is used for removing the compression roller assembly to the bottom sprag upper surface. The disassembly process is carried out, thereby the lifting mechanism arranges the compression roller assembly in the upper surface of the bottom support and saves manpower, the groove and the ejection mechanism are arranged on the upper surface of the bottom support, the compression roller shell and the single shaft of the compression roller assembly are respectively subjected to the opposite acting force of the edge of the groove and the ejection mechanism, the single shaft is separated from the compression roller shell, the disassembly efficiency of the compression roller assembly is improved, and the safety risk of the disassembly process of the compression roller assembly is eliminated.

Description

Compression roller assembly dismounting device of granulator

Technical Field

The utility model relates to a feed production processing auxiliary assembly technical field especially relates to a granulator compression roller assembly dismounting device.

Background

In the feed production and processing industry, a single shaft in a compression roller structure used by a granulator and a compression roller shell are frequently required to be assembled or disassembled. The assembly mode of the single shaft and the compression roller shell is interference fit, and a certain acting force is required to be applied in the installation process to ensure the assembly effect or finish disassembly.

And dismantle the reverse process for the assembly, in feed production processing operation in-process, the powdery material can cause wearing and tearing to the compression roller shell at the pelletization in-process, produce great influence to production efficiency and equipment energy consumption, need dismantle the compression roller shell from the unipolar when changing the compression roller shell, can the chucking unipolar earlier this moment and exert axial effort to the compression roller shell so that the two is carried forward the motion and accomplish the dismantlement process, also can the chucking earlier sticiss the roller shell and exert axial effort to the unipolar so that the two is carried forward the motion and accomplish the dismantlement process. The disassembly of the compression roller shell and the single shaft is manually operated under the common condition, the compression roller assembly of the CPM 20t/h type granulator commonly used in a feed factory has the weight of more than 70kg, a paperboard or cotton wool is generally paved on the ground during disassembly, the compression roller assembly is placed on the compression roller assembly, the compression roller assembly is disassembled manually in a hammering mode of matching a pipe wrench, and the labor intensity of an operator is high during disassembly because the weight of the compression roller assembly is heavier than that of a common adult.

In addition, theoretically, the uniform pressure must be applied to the cross section of the single shaft or the annular cross section of the press roll shell during disassembly, so that the phenomenon that the acting force is easily deviated from the axial direction due to over concentration of the stress points and further indentation or damage is generated on the press roll shell or the single shaft can be prevented; because the direction of the manual force is difficult to grasp, the force acting on the pressure roller shell or the single shaft is difficult to keep the axial direction, and the pressure roller shell or the single shaft is extremely easy to be damaged in the dismounting process so as to influence the reuse and cause cost waste.

Therefore, the problem to be solved by the technical personnel in the field is needed to provide a device capable of rapidly disassembling the press roll shell and the single shaft and overcoming the damage to the press roll shell or the single shaft in the disassembling process to the greatest extent.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a granulator compression roller assembly dismounting device.

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

the utility model provides a granulator compression roller assembly dismounting device, includes the bottom sprag, the bottom sprag is equipped with the slot that the unipolar that is used for the compression roller assembly falls into downwards, the degree of depth of slot is greater than unipolar length, the top edge of slot is used for supporting the compression roller shell of compression roller assembly, the top of slot is equipped with and is used for right the unipolar is along the ejection mechanism of its axial direction application of force downwards, the top of bottom sprag be equipped with be used for with the compression roller assembly removes extremely the mechanism that lifts by crane of bottom sprag upper surface.

The beneficial effects are that: the compression roller assembly to be disassembled is moved to the upper surface of the bottom support by the hoisting mechanism, preparation work before disassembly is done, the compression roller assembly is separated from the hoisting mechanism and is arranged under the ejection mechanism, the bottom support is provided with a groove for the single shaft of the compression roller assembly to fall into, and the edge of the groove can support the compression roller shell of the compression roller assembly, so that after the compression roller shell is supported by the edge of the groove, the single shaft is ejected downwards by the ejection mechanism and falls into the groove, and the disassembly work of the compression roller assembly is completed. In the disassembly process of the compression roller assembly, the lifting mechanism arranges the compression roller assembly on the upper surface of the bottom support, thereby the problem of great labor intensity brought to operators by manpower-saving carrying is solved, the groove and the ejection mechanism are arranged on the upper surface of the bottom support, and the compression roller shell and the single shaft of the compression roller assembly are respectively separated from the compression roller shell by the edge of the groove and the opposite acting force of the ejection mechanism.

As a further improvement, the ejection mechanism is a jack, and the jack is arranged in an inverted manner.

The beneficial effects are that: the jack has the characteristics of small and exquisite and firm structure, self light use flexibility and reliability, the bottom relative bottom bracing of the jack keeps fixed after the jack is arranged in an inverted mode, the top head of the jack downwards extends out of a single shaft contacting the compression roller assembly to apply force to the single shaft downwards, and the compression roller shell of the compression roller assembly in the process is subjected to upward reaction force of the bottom bracing, so that the top head of the jack can enable the single shaft to be gradually separated from the compression roller shell by applying force to the single shaft.

As a further improvement, the surface of the top head of the jack is provided with anti-skid lines.

The beneficial effects are that: the anti-slip lines are arranged on the surface of the ejector head, so that friction force between the ejector head and a single shaft of the compression roller assembly can be increased, and the ejection mechanism is favorable for ejecting the single shaft out of the compression roller shell.

As a further improvement, the lifting mechanism is connected with the first end of the horizontal arm, and the second end of the horizontal arm is arranged above the bottom support.

The beneficial effects are that: the lifting mechanism is used for lifting the compression roller assembly and then moving the compression roller assembly to the lower part of the ejection mechanism, so that the horizontal arm is arranged. The horizontal arm has a certain length, so that the interference between the lifting mechanism and the ejection mechanism can be avoided.

As a further improvement, the second end of the horizontal arm is rotatably disposed relative to the base support.

The beneficial effects are that: the horizontal arm which is rotatably arranged relative to the bottom support can rotate relative to the bottom support without moving the bottom support back and forth, and the position of the horizontal arm relative to the bottom support is rotated according to the initial position of the compression roller assembly, so that the orientation of the horizontal arm is adjusted to enable the horizontal arm to be aligned to the direction of the initial position of the compression roller assembly, and the compression roller assembly is conveniently lifted by the lifting mechanism.

As a further improvement, the hoisting mechanism is an electric hoist.

The beneficial effects are that: the electric hoist is used as a lifting device and has the characteristics of small volume, light weight, convenience in installation and high reliability.

As a further improvement, the groove is an elongated groove, and steps are arranged on the two side edges of the groove.

The beneficial effects are that: after the compression roller assembly is lifted by the lifting mechanism and placed on the upper surface of the bottom support, the compression roller shell of the compression roller assembly is supported by the steps on the edges of the two sides of the groove, the compression roller assembly is separated from the lifting mechanism at the moment, and is horizontally pushed to the position under the ejection mechanism along the length direction of the elongated groove.

As a further improvement, a locking wheel is arranged below the bottom support.

The beneficial effects are that: when the compression roller assembly needs to be replaced, a production workshop of a feed factory needs to transport the compression roller assembly to a maintenance workshop for repair, if the compression roller assembly dismounting device is directly moved, time and labor are wasted, a locking wheel is arranged to facilitate the movement of the compression roller assembly dismounting device to the production workshop where the compression roller assembly is located when the wheel is unlocked, and the movement of the compression roller assembly dismounting device when external force is applied can be prevented after the wheel is locked; in addition, the compression roller assembly dismounting device is convenient to move to a positioning point after being used, and 5S management work of a production field is convenient to be done in a production workshop.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

figure 2 is the utility model discloses dismantle compression roller assembly sketch map.

In the drawings: 1. a bottom support; 100. a single shaft; 101. pressing the roller shell; 2. a trench; 21. an upper edge; 210. a step; 3. an ejection mechanism; 4. a hoisting mechanism; 5. a horizontal arm; 51. a first end; 52. a second end; 6. a copper pillar; 7. a portal support.

Detailed Description

Technical terms or scientific terms used in the present specification should be given their ordinary meanings as understood by those skilled in the art: the use of "first," "second," and the like in this description does not denote any order, quantity, or importance, but rather the terms "first," "second," and the like are used to distinguish one element from another; the terms "connected" or "communicating" and the like are not restricted to physical or mechanical connections, but may include various forms of connections, whether direct or indirect; "upper", "lower", "left", "right", "front", "rear", "far", "near", "start", "end", and the like are used only to indicate relative positional relationships, and when the absolute position of a described object is changed, the relative positional relationships may also be changed accordingly; in addition, in the description of the present specification, the meaning of "a plurality" or "several" is two or more unless otherwise specified.

In order to better understand the present invention, the terms involved in the present invention are explained below.

The term "feed pelleting": and (3) performing rotary extrusion on a product obtained by mixing the steam and the powder, and producing granules through the aperture of the circular mold.

The term "roll shell": the function of the roll shell is to extrude the material to the ring die of the granulator and extrude the feed from the ring die hole, the power source for extruding the feed from the ring die hole is the friction force between the ring die and the roll shell, in order to prevent slipping and increase the feed intake force during the extrusion process, measures for increasing the friction force on the surface of the roll shell to improve the wear resistance are usually taken, for example, a tooth structure is designed on the surface of the roll shell.

For a better understanding of the present invention, embodiments of the present invention will be described below with reference to the accompanying drawings.

As shown in figures 1 and 2, the dismounting device for the press roll assembly of the granulator mainly comprises a bottom support 1 with a groove 2, an ejection mechanism 3 and a lifting mechanism 4.

In one embodiment, as shown in FIG. 2, the bottom support 1 has a predetermined height such that when the ejection mechanism 3 applies a downward force to the single shaft 100 of the roll assembly, the height of the bottom support 1 is sufficient to completely disengage the single shaft 100 of the roll assembly from the roll shell 101 of the roll assembly, otherwise the height of the bottom support 1 is insufficient and the ejection mechanism 3 cannot completely eject the single shaft 100 from the roll shell 101.

In order to make the single shaft 100 smoothly separate from the roll shell 101, the bottom support 1 is further provided with a groove 2 for the single shaft 100 of the roll assembly to fall into, as shown in fig. 1 and 2, the bottom support 1 may be formed by welding a section bar, and the groove 2 is formed on the upper surface of the bottom support 1, or a space is reserved in the middle when the section bar is welded into the bottom support 1 so as to form the groove 2, and the depth of the groove 2 should be larger than the length of the single shaft 100.

As shown in FIG. 1, upper edge 21 of groove 2 is used for supporting a roll shell 101 of a roll assembly, an ejection mechanism 3 for applying a downward force to a single shaft 100 in the axial direction of groove 2 is provided above groove 2, ejection mechanism 3 may be provided on a portal support 7 to fix ejection mechanism 3, and ejection mechanism 3 may be a jack, where the jack is arranged upside down in such a manner that the base of the jack is fixedly connected to the top of portal support 7, and the tip of the jack is arranged downward to apply a downward force to single shaft 100.

The surface of the top of the jack used here is provided with anti-skid lines, and the jack can be used in combination with the copper column 6 when the compression roller assembly is disassembled, as shown in fig. 2, the copper column 6 is only required to be arranged between the surface of the top of the jack and the single shaft 100 of the compression roller assembly, and the copper column 6 can make up for the shortage of the length of the ejection end of the jack besides the supporting function.

As shown in fig. 1 and 2, the portal support 7 in the above structure can be disposed on the upper surface of the base support 1 and fixedly connected to the base support 1, and a lifting mechanism 4 for moving the press roll assembly to the upper surface of the base support 1 is further disposed above the base support 1, and due to the portal support 7, the horizontal arm 5 can be disposed such that the second end 52 of the horizontal arm 5 is connected to the portal support 7 and the second end 52 is located above the base support 1, and the first end 51 is connected to the lifting mechanism 4.

In another embodiment, the horizontal arm 5 is connected to the door-shaped support 7 in a rotatable manner, i.e. the second end 52 of the horizontal arm 5 is rotatably arranged with the door-shaped support 7, where a bearing can be used to connect the second end 52 with the door-shaped support 7, as shown in fig. 1 and 2. Specifically, a bearing seat may be provided at the top of the portal support 7, the second end 52 of the horizontal arm 5 is vertically downward relative to the main structure of the horizontal arm 5, the outer ring of the tapered roller bearing is fixedly assembled with the bearing seat, and the inner ring of the tapered roller bearing is fixedly assembled with the second end 52 of the horizontal arm 5, so that the central axis direction of the tapered roller bearing is vertically upward, thereby rotatably connecting the horizontal arm 5 with the portal support 7.

In the above embodiment, because the first end 51 of the horizontal arm 5 bears the gravity of the roller assembly when the lifting mechanism 4 lifts the roller assembly, the gravity will generate a radial acting force on the tapered roller bearing through the second end 52 of the horizontal arm 5, that is, the tapered roller bearing bears a radial force, and the tapered roller bearing is mainly used for bearing a radial and axial combined load which is mainly radial load, the tapered roller bearing is more suitable for a scenario where the tapered roller bearing bears the radial force.

In yet another embodiment, the lifting mechanism 4 used in the present invention may be an electric hoist.

In other embodiments, the groove 2 is an elongated groove, and the upper edges 21 of the two sides of the groove 2 are provided with steps 210, as shown in fig. 2, it can be understood that the steps 210 on the two sides also have a guiding function, so that after the roller assembly is lifted to the upper surface of the bottom support 1 by the lifting mechanism 4, the roller assembly can be placed in the groove 2 and supported by the steps 210 on the two sides of the groove 2, so that after the roller assembly is separated from the lifting mechanism 4, the roller assembly on the steps 210 on the two sides of the groove 2 can be pushed forward along the length direction of the groove 2, and the roller assembly can be prevented from falling from the upper surface of the bottom support 1 or the steps 210 of the groove 2 during pushing, thereby improving the safety of the device.

In addition, a locking wheel can be arranged below the bottom support 1, so that the roller assembly dismounting device can move and keep still conveniently.

It should be noted that while various embodiments of the present invention have been shown and described herein, it will be obvious to those skilled in the art that such embodiments are provided by way of example only. Numerous modifications, changes, and substitutions will occur to those skilled in the art without departing from the spirit and scope of the present invention. It should be understood that various alternatives to the embodiments of the invention described herein may be employed in practicing the invention. The following claims are intended to define the scope of the invention and, accordingly, to cover module compositions, equivalents, or alternatives falling within the scope of the claims. Those skilled in the art will appreciate that the embodiments described above are illustrative of some, but not all embodiments of the disclosure. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

Claims

1. The utility model provides a granulator compression roller assembly dismounting device which characterized in that: including bottom sprag (1), bottom sprag (1) is equipped with slot (2) that unipolar (100) that are used for the compression roller assembly fell into downwards, the degree of depth of slot (2) is greater than the length of unipolar (100), top edge (21) of slot (2) are used for supporting compression roller shell (101) of compression roller assembly, the top of slot (2) is equipped with and is used for right ejection mechanism (3) of unipolar (100) along its axial direction application of force downwards, the top of bottom sprag (1) be equipped with be used for with the compression roller assembly removes extremely the mechanism (4) lift by crane of the upper surface of bottom sprag (1).

2. The roller assembly dismounting device of the granulator of claim 1, wherein: the ejection mechanism (3) is a jack, and the jack is arranged in an inverted manner.

3. A granulator press roll assembly disassembly apparatus as set forth in claim 2, wherein: the surface of the top of the jack is provided with anti-skid grains.

4. The roller assembly dismounting device of the granulator of claim 1, wherein: the lifting mechanism (4) is connected with a first end (51) of the horizontal arm (5), and a second end (52) of the horizontal arm (5) is arranged above the bottom support (1).

5. The roller assembly dismounting device of the granulator of claim 4, wherein: the second end (52) of the horizontal arm (5) is rotatably arranged relative to the base support (1).

6. The roller assembly dismounting device of the granulator of claim 1, wherein: the hoisting mechanism (4) is an electric hoist.

7. The apparatus for disassembling roller assembly of granulator according to claim 1, wherein: the groove (2) is a long-strip-shaped groove, and steps (210) are arranged on the upper edges (21) of the two sides of the groove (2).

8. The apparatus for disassembling roller assembly of granulator according to claim 1, wherein: and a locking wheel is arranged below the bottom support (1).