CN220680691U - Disassembling tool for water end bearing of extruder rotor - Google Patents

Abstract

The application relates to a disassembling tool for a water end bearing of an extruder rotor, which belongs to the field of disassembling tools, and comprises a baffle, wherein one side of the baffle is rotationally connected with a jack, and the axis of the jack is perpendicular to the surface of the baffle; the jack is rotationally connected with a first sleeve, and a first hoisting ring is arranged on the side wall of the first sleeve; a second sleeve is rotationally connected to one side of the baffle, which is far away from the jack, and a second hoisting ring is arranged on the side wall of the second sleeve; the baffle is from keeping away from jack one side to being close to jack one side threaded connection and wears to be equipped with two screws, and two screws set up in the jack both sides, and two screw axis are all parallel with the jack axis, and two screws can be through the cooperation with the fixed orifices of bearing, realize the connection of baffle and bearing. The present application has the effect of completely separating the bearing from the housing and rotor of the extruder.

Description

Disassembling tool for water end bearing of extruder rotor

Technical Field

The application relates to the field of bearing detaching tools, in particular to an extruding machine rotor water end bearing detaching tool.

Background

The extrusion granulator is key equipment of a chemical industry unit, and can process powder into granules, so that subsequent enterprises can process products conveniently.

In the long-time operation process of the extrusion granulator, various parts of the equipment are easy to fatigue and wear due to factors such as friction, abrasion and high temperature of materials. So the regular maintenance and overhaul of the extruder is important to ensure the normal operation of the equipment, prolong the service life and improve the production efficiency. The extruder generally adopts a double-screw extrusion mode, two rotors of the extruder are horizontally arranged inside the shell, and the two rotors are connected with the shell through a bearing. The extruder bearing is at the rotor front end, and the bearing tip is provided with along circumferencial direction evenly distributed's fixed orifices, is provided with the screw thread in the fixed orifices, and the rotor tip is provided with the connecting hole, is provided with the screw thread in the connecting hole. When the extruder is overhauled, the bearing at the front end of the extruder needs to be removed first.

In the related art, the bearing is large in size and heavy in weight, and meanwhile, the rotor and the shell are assembled in an interference mode, so that the bearing is difficult to detach.

Disclosure of Invention

In order to enable workers to detach the bearing from the extruder more easily, the application provides an extruder rotor water end bearing detaching tool.

The application provides an extruder rotor water end bearing extracting tool adopts following technical scheme:

the dismounting tool for the water end bearing of the rotor of the extruder comprises a baffle, wherein one side of the baffle is rotationally connected with a jack, the jack is rotationally connected with a first sleeve, and the side wall of the first sleeve is provided with a first lifting ring; a second sleeve is connected to one side, away from the jack, of the baffle in a rotating way, and a second hoisting ring is arranged on the side wall of the second sleeve; the baffle is from keeping away from jack one side to being close to jack one side threaded connection and wear to be equipped with two screws, two screws set up in jack both sides, two screws can be through the cooperation with the fixed orifices of bearing, realize the baffle and be connected with the bearing.

Through adopting above-mentioned technical scheme, can be with the device horizontal hoisting to with rotor flush position through first hoist and mount ring and second hoist and mount ring, two screw rods can guarantee the relative fixation between baffle and the bearing. When the bearing is disassembled, the jack is started to push the rotor, and the baffle drives the bearing to move away from the rotor under the reaction force of the jack, so that the bearing and the extruder are separated. The dismounting device is simple in structure and easy to process, and meanwhile the dismounting device enables the bearing to be dismounted more easily and conveniently.

Optionally, the telescopic link of jack is kept away from the one end of baffle and is provided with the screw thread section, the jack passes through the cooperation of screw thread section and connecting hole and realizes the connection of jack and rotor.

Through adopting above-mentioned technical scheme, the threaded connection of jack and rotor has realized the firm connection of both, has guaranteed the reliability of being connected between jack and the rotor. The connection between the jack and the rotor is firm, stable, simple, convenient and safe, and the stability of the dismounting tool can be effectively maintained.

Optionally, the jack is close to one end of the baffle is provided with an annular flange, the annular flange is inside the baffle, and the annular flange is rotatably connected with the baffle.

Through adopting above-mentioned technical scheme, annular flange rotates in the baffle inside and connects in the baffle, and annular flange has restricted the position of jack and baffle inside the baffle, has realized that the jack passes through annular flange to be connected in the baffle and can carry out nimble rotation.

Optionally, a step hole is formed in one side, away from the jack, of the baffle plate, and the annular flange is arranged in the step hole; the baffle is far away from one side of the jack and is connected with an abutting plate through bolts, and the annular flange abuts against the abutting plate.

Through adopting above-mentioned technical scheme, through the position of butt plate restriction annular flange in the step hole, realized the rotation connection between jack and the baffle. The abutting plate is detachably connected with the baffle through the bolts, so that the whole device is more convenient to maintain, replace or adjust when the whole device is required. If the jack is faulty or damaged, only the jack part needs to be disassembled without completely disassembling the whole device, so that time and energy can be saved, and maintenance cost can be reduced.

Optionally, one end, close to the baffle, of the jack is coaxially provided with a supporting rod, and the supporting rod extends out of the abutting plate in a direction away from the jack; the position of the support rod far away from the abutting plate is provided with a through hole, and the axis of the through hole is perpendicular to the axis of the support rod.

Through adopting above-mentioned technical scheme, operating personnel rotates the jack through rotating the bracing piece, and the bracing piece is located this extracting tool one end, makes the operation more convenient. The through holes are formed so that operators can conveniently penetrate the through holes by means of the existing steel bars or steel pipes and other objects to assist the rotation of the support rods. Through exerting strength in the through-hole department, can the rotation of auxiliary stay pole for the rotation of jack is laborsaving more.

Optionally, the first sleeve is located at a position of the jack close to the bearing, and a distance between the first sleeve and an end of the jack close to the bearing is greater than or equal to a width of the bearing.

Through adopting above-mentioned technical scheme, the distance between the tip that first sleeve pipe and jack are close to the bearing is greater than or equal to the width of bearing, has guaranteed when bearing and shell separate, and the hoist and mount position can not influence the separation of bearing. The stability of the bearing after the separation can be effectively guaranteed through hoisting the first hoisting ring, so that the disassembling tool can be kept stable in the whole disassembling process, and the stability and the reliability of the device are improved.

Optionally, auxiliary bearings are arranged inside the first sleeve and the second sleeve.

Through adopting above-mentioned technical scheme, auxiliary bearing can reduce the frictional force that receives when telescopic link and bracing piece are rotatory for the rotation of jack is more smooth and easy, makes the rotation of jack steady, stable more simultaneously, thereby makes the connection process of jack and rotor more laborsaving, has increased this extracting tool's practicality.

Optionally, the two screws are threaded at positions close to two ends, the middle part is a polished rod part, and the diameter of the polished rod part is smaller than or equal to the minor diameter of the threaded part.

By adopting the technical scheme, the baffle plate and the bearing are relatively fixed through the two screws, so that the length of the screws is longer. If the whole screw rod is provided with threads, an operator needs to rotate the screw rod from the baffle plate to the bearing position. The sectional design of screw thread makes operating personnel only need with rotatory screw rod until first section screw thread part passes the baffle, can wholly slide the screw rod to bearing position department, has shortened operating personnel's time of installing the screw rod, makes extracting tool's installation and operation more convenient.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the first lifting ring and the second lifting ring can ensure the stability and the level of the whole dismounting tool in the mounting and dismounting process. The jack adopts threaded connection with the rotor, has guaranteed the fastness of connection. The baffle is connected with the bearing through two screws, so that the baffle is fixed with the bearing, stable connection is realized, and the stability of the dismounting tool is ensured;

2. the jack is rotationally connected with the baffle, so that the jack is more convenient to operate when connected with the rotor, and the jack can be detachably connected with the baffle, so that the jack is more convenient to overhaul and maintain;

3. the setting of bracing piece, through-hole and auxiliary bearing has effectively reduced the frictional force when the jack rotates in extracting tool installation for whole dismantlement process is more smooth and easy and laborsaving.

Drawings

FIG. 1 is a schematic view of a tool for removing a water end bearing of an extruder rotor according to an embodiment of the present application.

FIG. 2 is an assembly schematic of an extruder rotor water end bearing removal tool according to an embodiment of the present application.

FIG. 3 is a cross-sectional view of an extruder rotor water end bearing removal tool in accordance with an embodiment of the present application.

FIG. 4 is a schematic view of the structure of a baffle of an extruder rotor water end bearing removal tool according to an embodiment of the present application.

Reference numerals illustrate: 1. a rotor; 11. a connection hole; 2. a bearing; 21. a fixing hole; 3. a baffle; 31. a step hole; 32. an abutting plate; 4. a jack; 41. a threaded section; 42. an annular flange; 43. a support rod; 44. a through hole; 5. a screw; 51. a threaded portion; 52. a polish rod portion; 6. a first sleeve; 61. a first lifting ring; 62. a second sleeve; 63. a second lifting ring; 64. and an auxiliary bearing.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The embodiment of the application discloses an extruder rotor water end bearing extracting tool. Referring to fig. 1 and 2, an extruder rotor water end bearing extracting tool includes baffle 3, and baffle 3 one side rotates and is connected with jack 4, and jack 4 axis perpendicular to baffle 3 surface, the telescopic link of jack 4 keep away from baffle 3 one end offered with rotor 1's connecting hole 11 matched with screw thread section 41, and the telescopic link of jack 4 can carry out threaded connection with rotor 1. The baffle 3 is provided with two screw rods 5 in a threaded connection at symmetrical positions on two sides of the jack 4, the two screw rods 5 penetrate from one side, away from the jack 4, of the baffle 3 to one side, close to the jack 4, of the baffle, and the axes of the two screw rods 5 are parallel to the axis of the jack 4. The two screws 5 are provided with threaded portions 51 near two ends, a polish rod portion 52 is arranged in the middle, and the diameter of the polish rod portion 52 is smaller than or equal to the small diameter of the threaded portions 51. Two screw portions 51 are respectively connected to the baffle plate 3 and the fixing hole 21, and two screws 5 realize connection of the baffle plate 3 and the bearing 2. The jack 4 is connected with a first sleeve 6 in a rotating way, and a first hoisting ring 61 is fixedly connected to the side wall of the first sleeve 6. A rotatable second sleeve 62 is arranged on one side of the baffle plate 3 away from the jack 4, and a second hoisting ring 63 is arranged on the side wall of the second sleeve 62.

Referring to fig. 3 and 4, the jack 4 is fixedly connected with an annular flange 42 at one end close to the baffle 3. A stepped hole 31 is formed in one side, away from the jack 4, of the baffle 3. One end of the jack 4 far away from the annular flange 42 penetrates from the large hole of the step hole 31, penetrates through the baffle plate 3 and extends to the side far away from the baffle plate 3, and meanwhile the annular flange 42 is clamped in the small hole of the step hole 31. The large hole of the step hole 31 is connected with an abutting plate 32 with the same size as the large hole through a bolt. The annular flange 42 is abutted against the baffle plate 3 and the abutting plate 32 in the stepped hole 31, so that the jack 4 and the baffle plate 3 can be rotated and detachably connected. The baffle 3 is detachably connected with the jack 4, so that the jack 4 is more convenient to overhaul.

The screw connection of the jack 4 and the rotor 1 ensures the stability between the jack 4 and the rotor 1. The baffle 3 is rotatably connected with the jack 4 through the step hole 31, so that the connection process of the jack 4 and the rotor 1 is more flexible and convenient, and the operation of workers is more facilitated. The sectional design of the screw 5 makes the installation process of workers more convenient, and after the workers pass one end thread part 51 of the screw 5 through the baffle 3, the polish rod part 52 makes the end part of the screw 5 directly reach the position close to the fixing hole 21, so that the rotation stroke of the screw 5 is shortened, and the operation time of the workers is saved. The diameter of the polish rod part 52 is smaller than or equal to the minor diameter of the threaded part 51, so that the polish rod part 52 of the screw 5 can smoothly pass through the baffle 3. The design of the first and second lifting rings 61, 63 can ensure the stability and level of the whole dismounting tool. The jack 4 is in threaded connection with the rotor 1, and the two screws 5 are connected to the fixing holes 21 of the bearing 2, so that the baffle 3 and the bearing 2 are fixed. At the moment, the jack 4 is started, the jack 4 pushes the whole dismounting tool to drive the bearing 2 to move in the direction away from the rotor 1 and the shell, and the bearing 2 is dismounted.

Referring to fig. 1, a supporting rod 43 is fixedly connected to one end of the jack 4, which is close to the baffle 3, in a coaxial line, and the supporting rod 43 penetrates through the abutting plate 32 and extends in a direction away from the jack 4. Two through holes 44 are formed in the position, away from the baffle plate 3, of the support rod 43, the axes of the two through holes 44 are vertical, and the axes of the two through holes 44 are perpendicular to the axis of the support rod 43. The first sleeve 6 is located at the position of the telescopic rod of the jack 4, which is close to the bearing 2, and the distance between the first sleeve 6 and the end part of the telescopic rod, which is close to the bearing 2, is the width of the bearing 2, so that the first lifting ring 61 of the first sleeve 6 is as close to the bearing 2 as possible on the premise that the dismounting process of the bearing 2 is not affected. The second sleeve 62 is located at a position of the support rod 43 away from the abutment plate 32. Auxiliary bearings 64 are fixedly connected in the first sleeve 6 and the second sleeve 62 coaxially, and inner rings of the two auxiliary bearings 64 are fixedly connected to the telescopic rod and the supporting rod 43 of the jack 4 respectively. The support bar 43 helps the operator to rotate the jack 4 from one end of the whole dismounting tool, so that the operation of the operator is more convenient. The through holes 44 are formed to facilitate operators to penetrate through the through holes 44 by means of existing steel bars or steel pipes, and the rotation of the support rods 43 is assisted, so that the rotation process is more labor-saving. The auxiliary bearing 64 can reduce friction between the sleeve and the telescopic rod and the supporting rod 43, so that the rotation of the jack 4 is smoother, and the installation process of the jack 4 is more labor-saving. Because the bearing 2 is large in size and heavy in weight, the first sleeve 6 is positioned at the position of the telescopic rod of the jack 4, which is close to the bearing 2, so that the hoisting position is closer to the common gravity center position of the dismounting tool and the bearing 2, and the common stability of the dismounting tool and the bearing 2 is ensured after the bearing 2 is dismounted from the shell.

The implementation principle of the disassembling tool for the water end bearing of the extruder rotor is as follows: after the jack 4 and the baffle 3 are installed, the first lifting ring 61 and the second lifting ring 63 are lifted at the same time, the dismounting tool is lifted to the position of the bearing 2 of the extruder horizontally, and the threaded section 41 of the jack 4 is aligned with the threaded hole of the rotor 1. The supporting rod 43 is rotated through the through hole 44 to connect the jack 4 with the rotor 1. After the jack 4 is connected with the rotor 1, the two screws 5 are connected with the fixing holes 21 of the bearing 2 in a threaded manner, so that the baffle 3 and the bearing 2 are fixed. The jack 4 is started, and the jack 4 pushes the whole dismounting tool to drive the bearing 2 to move in a direction away from the rotor 1 and the shell, so that the bearing 2 is dismounted.

The embodiment of the present application has the effect of making the separation of the bearing 2 from the housing and rotor 1 of the extruder simpler and easier.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. An extruder rotor water end bearing extracting tool, its characterized in that: the lifting device comprises a baffle (3), wherein a jack (4) is rotationally connected to one side of the baffle (3), a first sleeve (6) is rotationally connected to the jack (4), and a first lifting ring (61) is arranged on the side wall of the first sleeve (6); a second sleeve (62) is rotatably connected to one side, far away from the jack (4), of the baffle (3), and a second hoisting ring (63) is arranged on the side wall of the second sleeve (62); the baffle (3) is threaded from one side far away from the jack (4) to one side close to the jack (4) and is provided with two screws (5) in a penetrating mode, the two screws (5) are arranged on two sides of the jack (4), and the two screws (5) can be matched with the fixing holes (21) of the bearing (2) to achieve connection of the baffle (3) and the bearing (2).

2. An extruder rotor water end bearing removal tool as in claim 1 wherein: one end of the telescopic rod of the jack (4) far away from the baffle plate (3) is provided with a threaded section (41), and the jack (4) is connected with the rotor (1) through the cooperation of the threaded section (41) and the connecting hole (11).

3. An extruder rotor water end bearing removal tool as in claim 1 wherein: the jack (4) is close to one end of the baffle (3) and is provided with an annular flange (42), the annular flange (42) is arranged inside the baffle (3), and the annular flange (42) is rotatably connected with the baffle (3).

4. A tool for removing a water end bearing from an extruder rotor according to claim 3, wherein: a step hole (31) is formed in one side, far away from the jack (4), of the baffle plate (3), and the annular flange (42) is arranged in the step hole (31); and one side of the baffle plate (3) far away from the jack (4) is connected with an abutting plate (32) through bolts, and the annular flange (42) abuts against the abutting plate (32).

5. A tool for removing a water end bearing from an extruder rotor according to claim 3, wherein: a supporting rod (43) is coaxially arranged at one end, close to the baffle plate (3), of the jack (4), and the supporting rod (43) extends out of the abutting plate (32) in the direction away from the jack (4); the support rod (43) is provided with a through hole (44) at a position far away from the abutting plate (32), and the axis of the through hole (44) is perpendicular to the axis of the support rod (43).

6. An extruder rotor water end bearing removal tool as in claim 1 wherein: the first sleeve (6) is positioned at the position, close to the bearing (2), of the jack (4), and the distance between the first sleeve (6) and the end, close to the bearing (2), of the jack (4) is larger than or equal to the width of the bearing (2).

7. An extruder rotor water end bearing removal tool as in claim 1 wherein: auxiliary bearings (64) are arranged in the first sleeve (6) and the second sleeve (62).

8. An extruder rotor water end bearing removal tool as in claim 1 wherein: the two screws (5) are provided with threaded parts (51) near two ends, a polish rod part (52) is arranged in the middle of the screws, and the diameter of the polish rod part (52) is smaller than or equal to the small diameter of the threaded parts (51).