WO2022000754A1

WO2022000754A1 - Coaxial rotor mechanism of washing device

Info

Publication number: WO2022000754A1
Application number: PCT/CN2020/112444
Authority: WO
Inventors: 洪子铭
Original assignee: 立信染整机械(广东)有限公司
Priority date: 2020-07-02
Filing date: 2020-08-31
Publication date: 2022-01-06
Also published as: CN111828571A; KR102578906B1; TW202202689A; TWI732675B; KR20220004949A

Abstract

A coaxial rotor mechanism of a washing device. An inner sealing sleeve (4) is sleeved on a drive shaft (23); a first waterproof sealing ring (51) and a first bearing mechanism (52) are provided between the drive shaft (23) and the inner sealing sleeve (4); the inner sealing sleeve (4) is tightly connected to an outer cylinder (21); a bushing (6) is sleeved on the inner sealing sleeve (4); a second waterproof sealing ring (71) and a second bearing mechanism (72) are provided between the inner sealing sleeve (4) and the bushing (6); a synchronous belt pulley (81) is provided on the inner sealing sleeve (4) at a position at the outer end of the bushing (6); and the synchronous belt pulley (81) is drivingly connected to an outer cylinder synchronous driving mechanism (32) by means of a synchronous belt (82). The coaxial rotor mechanism of the washing device effectively solves the problem of difficulty in installation, debugging, and maintenance of the built-in link structures of boxes in the prior art; and in addition, the use of the synchronous belt pulley and synchronous belt can effectively increase the running speed of the washing device, thus achieving the result of improving production efficiency.

Description

A coaxial rotor mechanism for washing equipment

technical field

The invention relates to the technical field of coaxial rotor mechanisms of water washing equipment in the textile industry, in particular to the improvement of the double mechanical seal structure in the coaxial rotor mechanism.

Background technique

Referring to the coaxial rotor mechanism of the existing water washing equipment as shown in FIG. 1 , the outer cylinder 21 is connected to the outer cylinder driving mechanism 32 via a synchronizing sprocket 91 and a chain 92 , which are installed in the box of the washing equipment. inside body 1. Due to the limited space in the washing equipment, the chain is a consumable part that needs to be repaired from time to time, which is difficult to maintain; when the washing equipment runs at a high speed, the chain is very unstable and prone to breakage, which affects the production speed.

technical problem

The purpose of the present invention is to solve the technical deficiencies that the existing coaxial rotor mechanism sprockets and chains of the water washing equipment are installed in the box of the water washing equipment, which are difficult to maintain and have poor reliability, and provide a coaxial rotor mechanism of the water washing equipment. , in order to solve the problem of difficult maintenance and improve production efficiency.

technical solutions

In order to solve the technical problem proposed by the present invention, the technical scheme adopted is:

A coaxial rotor mechanism of a water washing device comprises a box body, an outer cylinder arranged in the box body, an inner cylinder arranged in the outer cylinder, an outer cylinder synchronous drive mechanism arranged outside the box body to drive the rotation of the outer cylinder, and An inner cylinder synchronous drive mechanism that drives the inner cylinder to rotate outside the box body; the inner cylinder is fixedly connected with a drive shaft, the drive shaft is movably connected with the side wall of the box body, and one end of the drive shaft extends out of the box body to synchronize with the inner cylinder The drive mechanism is connected; the outer cylinder is movably sleeved with the drive shaft; it is characterized in that: the drive shaft is sleeved with an inner seal sleeve, and a first waterproof seal is arranged between the drive shaft and the inner seal sleeve ring and the first bearing mechanism, the first waterproof sealing ring is located on the side of the first bearing mechanism close to the inner cylinder; the inner end of the inner sealing sleeve is tightly connected with the sleeve fixing sleeve on the driving side wall of the outer cylinder; the said A shaft sleeve is sleeved on the inner sealing sleeve, a second waterproof sealing ring and a second bearing mechanism are arranged between the inner sealing sleeve and the shaft sleeve, the shaft sleeve is fixedly connected with the outer side wall of the box body, and the inner sealing sleeve is located on the inner sealing sleeve. A synchronous pulley is arranged on the outer end position of the shaft sleeve, and the synchronous pulley is connected with the synchronous driving mechanism of the outer cylinder through the synchronous belt.

As the technical scheme further limiting the present invention includes:

The first waterproof sealing ring is locked and connected with the drive shaft, the first waterproof sealing ring is in clearance fit with the inner wall of the inner sealing sleeve, and the inner wall of the inner sealing sleeve is located at the inner end of the first waterproof sealing ring. The convex step, the inner end face of the first waterproof sealing ring is connected with the side surface of the convex step in the sleeve by sealing and fitting.

The first bearing mechanism includes a first left bearing, a first right bearing, a bearing positioning sleeve and a first bearing locking cover; the drive shaft is connected from the corresponding position of the first bearing mechanism to the inner cylinder synchronous drive mechanism The diameter of the end is smaller than other sections, and a bearing positioning step is formed. The first left bearing, the bearing positioning sleeve, the first right bearing and the first bearing locking cover are sequentially sleeved on the drive shaft, and the first left bearing is positioned with the bearing. The steps are matched for positioning, and the first bearing locking cover is closely connected with the inner sealing sleeve.

The inner sealing sleeve is also sleeved with a sealing ring limiting sleeve, the inner end of the sealing ring limiting sleeve is provided with an inner convex edge, and the inner convex edge is sealed and fitted with the second waterproof sealing ring, and the second waterproof sealing ring The inner sealing sleeve is locked and connected by screws, and the second waterproof sealing ring is clearance fit with the shaft sleeve.

The shaft sleeve is provided with an inner step that separates the second waterproof sealing ring and the second bearing mechanism, the inner step and the inner sealing sleeve are in sealing cooperation, and the outer end of the shaft sleeve is fixedly connected with a second bearing lock by screws. Cover tightly.

A roller positioning protrusion is arranged on the drive shaft corresponding to the gap between the driving side wall of the inner cylinder and the driving side wall of the outer cylinder, and an outer cylinder positioning sleeve is movably sleeved at the outer position of the roller positioning protrusion. The side wall of the cylinder positioning sleeve is connected with the sleeve fixing sleeve on the driving side wall of the outer cylinder.

A first retaining spring is provided on the drive shaft at a position corresponding to the outer side wall of the first bearing mechanism.

A second retaining spring is provided on the inner sealing sleeve at a position corresponding to the outer side wall of the second bearing mechanism.

beneficial effect

The beneficial effects of the invention are as follows: the outer cylinder of the invention adopts an external synchronous pulley and a synchronous belt to be connected with the synchronous driving mechanism of the outer cylinder, which can effectively solve the difficulty in installation, debugging and maintenance of the existing box built-in link structure. Problem; Simultaneous use of synchronous pulleys and synchronous belts can effectively improve the running speed of the washing equipment and achieve the result of improving production efficiency.

Description of drawings

Fig. 1 is the coaxial rotor mechanism structure schematic diagram of the existing washing equipment;

Fig. 2 is the overall structure schematic diagram of the present invention;

Fig. 3 is a partial enlarged structural schematic diagram of the present invention;

FIG. 4 is a schematic three-dimensional structure diagram of the present invention without a box body, an outer cylinder and an inner cylinder;

FIG. 5 is a schematic diagram of the exploded structure of FIG. 4 .

BEST MODE FOR CARRYING OUT THE INVENTION

The structure of the invention will be further described below with reference to the accompanying drawings and specific embodiments of the invention.

Referring to FIGS. 2 to 5 , the coaxial rotor mechanism of the water washing equipment disclosed in the present invention, like the coaxial rotor mechanism of the existing water washing equipment, also includes a box body 1 , which is arranged on the outside of the box body 1 . The cylinder 21, the inner cylinder 22 arranged in the outer cylinder 21, the outer cylinder synchronous driving mechanism 32 arranged outside the box body 1 to drive the outer cylinder 21 to rotate, and the inner cylinder synchronous drive mechanism 32 arranged outside the box body 1 to drive the inner cylinder 22 to rotate Mechanism 31; the inner cylinder 22 is fixedly connected with a drive shaft 23, the drive shaft 23 is movably connected with the side wall of the box body 1, and one end of the drive shaft 23 extends out of the box body 1 and is connected to the inner cylinder synchronous drive mechanism 31; The outer cylinder 21 is movably sleeved with the drive shaft 23; the difference is that the present invention cancels the sprocket and chain which are connected to the outer cylinder 21 in the casing 1, and replaces the outer cylinder 21 with the inner sealing sleeve. 4. The inner sealing sleeve 4 extends horizontally out of the box body 1, and is connected to the outer cylinder synchronous drive mechanism 32 through a synchronous pulley and a synchronous belt outside the box body 1.

Due to the difference in rotational speed between the drive shaft 23 and the inner seal sleeve 4, in order to realize the double-shaft mechanical seal and facilitate assembly, the specific solution adopted in the present invention is: the inner seal sleeve 4 is sleeved on the drive shaft 23, A first waterproof sealing ring 51 and a first bearing mechanism 52 are arranged between the drive shaft 23 and the inner sealing sleeve 4. The first waterproof sealing ring 51 is located on the side of the first bearing mechanism 52 close to the inner cylinder 22; the first waterproof sealing ring The function of 51 prevents the working fluid in the box 1 from overflowing through the gap between the drive shaft 23 and the inner seal sleeve 4 , and the first bearing mechanism 52 ensures that the inner seal sleeve 4 can freely rotate relative to the drive shaft 23 .

The inner end of the inner sealing sleeve 4 is tightly connected with the sleeve fixing sleeve 211 on the driving side wall of the outer cylinder 21, and the inner sealing sleeve 4 is used as the transmission shaft for driving the rotation of the outer cylinder 21; The boxes 1 are rotatably connected, the inner sealing sleeve 4 is sleeved with a shaft sleeve 6, and a second waterproof sealing ring 71 and a second bearing mechanism 72 are arranged between the inner sealing sleeve 4 and the shaft sleeve 6, The shaft sleeve 6 is fixedly connected with the outer side wall of the box body 1. The inner sealing sleeve 4 is provided with a synchronous pulley 81 at the outer end of the shaft sleeve 6. The synchronous pulley 81 is driven by the synchronous belt 82 and the outer cylinder synchronous drive mechanism 32. connect. The function of the second waterproof sealing ring 71 prevents the working fluid in the box body 1 from overflowing through the gap between the inner sealing sleeve 4 and the shaft sleeve 6 .

The first waterproof sealing ring 51 is locked and connected with the drive shaft 23, the first waterproof sealing ring 51 is in clearance fit with the inner wall of the inner sealing sleeve 4, and the inner wall of the inner sealing sleeve 4 is located at the inner end of the first waterproof sealing ring 51. The position is provided with an inner convex step 41 of the sleeve, and the inner end surface of the first waterproof sealing ring 51 is sealed and connected to the side surface of the inner convex step 41 of the sleeve. Since the first waterproof sealing ring 51 is fixed on the drive shaft 23 , the end face of the first waterproof sealing ring 51 can elastically fit with the side surface of the inner convex step 41 of the sleeve, so that the waterproof sealing treatment can be performed with less friction. .

The first bearing mechanism 52 includes a first left bearing 521 , a first right bearing 522 , a bearing positioning sleeve 523 and a first bearing locking cover 524 ; the drive shaft 23 starts from the corresponding position of the first bearing mechanism 52 . The diameter to the connecting end of the synchronous drive mechanism of the inner cylinder is smaller than that of other sections, and a bearing positioning step 231 is formed. On the drive shaft 23 , the first left bearing 521 is positioned in cooperation with the bearing positioning step 231 , and the first bearing locking cover 524 is closely connected with the inner sealing sleeve 4 . A first retaining spring 525 is provided on the drive shaft 23 at a position corresponding to the outer wall of the first right bearing 522 of the first bearing mechanism 52 , and the first retaining spring 525 restricts the axial movement of the first bearing mechanism 52 .

The inner sealing sleeve 4 is also sleeved with a sealing ring limiting sleeve 73 , the inner end of the sealing ring limiting sleeve 73 is provided with an inner convex edge 731 , and the inner convex edge 731 is sealed with the second waterproof sealing ring 71 . , the second waterproof sealing ring 71 is locked and connected with the inner sealing sleeve 4 by screws, and the second waterproof sealing ring 71 is in clearance fit with the shaft sleeve 6; The edge 732 is clamped and sealed by the box body 1 and the shaft sleeve 6 . That is, the sealing ring limiting sleeve 73 is used as an outer sealing sleeve to cooperate and seal with the second waterproof sealing ring 71 .

The shaft sleeve 6 is provided with an inner step 61 that separates the second waterproof sealing ring 71 and the second bearing mechanism 72, and the inner step 61 is sealed with the inner sealing sleeve 4, and the outer end of the shaft sleeve 6 is provided with a screw A second bearing locking cover 74 is fixedly connected. A second retaining spring 75 is provided on the inner sealing sleeve 4 at a position corresponding to the outer side wall of the second bearing mechanism 72 . The inner step 61 and the second retaining spring 75 are used to limit the axial movement of the second bearing mechanism 72 .

A roller positioning protrusion 232 is provided on the drive shaft 23 corresponding to the gap between the driving side wall of the inner cylinder 22 and the driving side wall of the outer cylinder 21, and the outer cylinder is movably sleeved at the outer position of the roller positioning protrusion 232. Positioning sleeve 212, the side wall of the outer cylinder positioning sleeve 212 is fixedly connected with the sleeve fixing sleeve 211 on the driving side wall of the outer cylinder.

During assembly, the drive shaft 23 is horizontally inserted into the casing 1 from the outside of the casing 1, enters the inner casing 22 through the through hole on the driving side wall of the outer casing 21, and is fixedly connected with the inner casing 22; Insert the outer cylinder positioning sleeve 212, screw the screws from the sleeve fixing sleeve 211 into the outer cylinder positioning sleeve 212, realize the positioning of the outer cylinder 21 and the inner cylinder 22 sidewalls, and ensure that the outer cylinder 21 can wrap around the drive shaft 23. Then, the inner sealing sleeve 4 is installed, and the inner end of the inner sealing sleeve 4 is inserted into the sleeve fixing sleeve 211, and is clamped and fixedly connected. The sealing sleeve 4 is provided with an operation hole and inserts screws into it, and the first waterproof sealing ring 51 is fixedly connected with the drive shaft 23, and then the installation of the first bearing mechanism 52 is completed, and the first bearing locking cover 524 is covered. The waterproof mechanical seal of the drive shaft 23 is completed; after that, the inner sealing sleeve 4 is covered with the sealing ring limiting sleeve 73 and the second waterproof sealing ring 71 in sequence, and the second waterproof sealing ring 71 and the inner sealing sleeve 4 are connected by screws. After locking the connection, the shaft sleeve 6 is then fixedly installed with the box body 1, the second bearing mechanism 72 is installed in the shaft sleeve 6, and the second bearing locking cover 74 is covered, that is, the waterproof mechanical seal of the inner sealing sleeve 4 is completed; finally , A synchronous pulley 81 is installed on the inner sealing sleeve 4, and is connected with the outer cylinder synchronous drive mechanism 32 through the synchronous belt 82;

To sum up, in the coaxial rotor mechanism of the present invention, the drive shaft 23 is connected to the inner cylinder 22 through the inner sealing sleeve 4, the inner cylinder synchronous drive mechanism 31 drives the inner cylinder 22 to rotate through the drive shaft 23; the outer cylinder synchronous drive mechanism 32 A synchronous belt 82 is connected, a sleeve fixing sleeve 211 is provided on the driving side of the outer cylinder 21, one end of the inner sealing sleeve 4 is connected with a synchronous pulley 81, and the other end is connected with a sleeve fixing sleeve 211, and the synchronous driving mechanism 32 of the outer cylinder is connected with the synchronous belt. 82 is connected to the synchronous pulley 82, so that the outer cylinder synchronous drive mechanism 32 drives the outer cylinder 21 to rotate; the sealing ring limiting sleeve 73 is fixed on the side wall of the water washing equipment box, and the inner sealing sleeve 4 passes through the sealing ring limiting sleeve 73, And can rotate relatively freely. The first waterproof sealing ring 51 and the second waterproof sealing ring 71 can effectively prevent the working fluid from flowing out of the gap between the drive shaft 23 or the inner sealing sleeve 4 when the liquid level of the working fluid in the water washing equipment box is higher than the drive shaft 23 . A first bearing mechanism 52 is arranged between the drive shaft 23 and the inner seal sleeve 4, and a second bearing mechanism 72 is arranged between the inner seal sleeve 4 and the shaft sleeve 6 to ensure that the drive shaft 23 and the inner seal sleeve 4 can be equivalent The box 1 can rotate freely.

Claims

A coaxial rotor mechanism of a water washing device comprises a box body, an outer cylinder arranged in the box body, an inner cylinder arranged in the outer cylinder, an outer cylinder synchronous drive mechanism arranged outside the box body to drive the rotation of the outer cylinder, and An inner cylinder synchronous drive mechanism that drives the inner cylinder to rotate outside the box body; the inner cylinder is fixedly connected with a drive shaft, the drive shaft is movably connected with the side wall of the box body, and one end of the drive shaft extends out of the box body to synchronize with the inner cylinder The drive mechanism is connected; the outer cylinder is movably sleeved with the drive shaft; it is characterized in that: the drive shaft is sleeved with an inner seal sleeve, and a first waterproof seal is arranged between the drive shaft and the inner seal sleeve ring and the first bearing mechanism, the first waterproof sealing ring is located on the side of the first bearing mechanism close to the inner cylinder; the inner end of the inner sealing sleeve is tightly connected with the sleeve fixing sleeve on the driving side wall of the outer cylinder; the said A shaft sleeve is sleeved on the inner sealing sleeve, a second waterproof sealing ring and a second bearing mechanism are arranged between the inner sealing sleeve and the shaft sleeve, the shaft sleeve is fixedly connected with the outer side wall of the box body, and the inner sealing sleeve is located on the inner sealing sleeve. A synchronous pulley is arranged on the outer end position of the shaft sleeve, and the synchronous pulley is connected with the synchronous driving mechanism of the outer cylinder through the synchronous belt.
The coaxial rotor mechanism of a water washing device according to claim 1, wherein the first waterproof sealing ring is tightly connected with the drive shaft, and the first waterproof sealing ring is in clearance fit with the inner wall of the inner sealing sleeve, An inner convex step of the sleeve is arranged on the inner wall of the inner sealing sleeve at the inner end of the first waterproof sealing ring.
The coaxial rotor mechanism of a water washing device according to claim 2, wherein the first bearing mechanism comprises a first left bearing, a first right bearing, a bearing locating sleeve and a first bearing locking cover The diameter of the drive shaft from the corresponding position of the first bearing mechanism to the connecting end of the inner cylinder synchronous drive mechanism is smaller than that of other sections, and a bearing positioning step is formed. The first left bearing, the bearing positioning sleeve, the first right bearing The first bearing locking cover is sequentially sleeved on the drive shaft, the first left bearing is positioned with the bearing positioning step, and the first bearing locking cover is closely connected with the inner sealing sleeve.
The coaxial rotor mechanism of a water washing device according to claim 2, wherein the inner sealing sleeve is further sleeved with a sealing ring limiting sleeve, and the inner end of the sealing ring limiting sleeve is provided with an inner The convex edge and the inner convex edge are sealed and fit with the second waterproof sealing ring, the second waterproof sealing ring is locked and connected with the inner sealing sleeve through screws, and the second waterproof sealing ring is clearance fit with the shaft sleeve; the outer side of the sealing ring limit sleeve The end is provided with an outer convex edge, and the outer convex edge is clamped and sealed by the box body and the shaft sleeve.
The coaxial rotor mechanism of a water washing device according to claim 4, wherein the shaft sleeve is provided with an inner step separating the second waterproof sealing ring and the second bearing mechanism, and the inner step and the inner sealing sleeve are provided with inner steps. The cylinders are in sealing fit, and a second bearing locking cover is fixedly connected to the outer end of the shaft sleeve by screws.
The coaxial rotor mechanism of a water washing device according to claim 1, wherein a roller positioning protrusion is provided on the drive shaft corresponding to the gap between the driving side wall of the inner cylinder and the driving side wall of the outer cylinder The outer cylinder positioning sleeve is movably sleeved at the outer position of the roller positioning protrusion, and the side wall of the outer cylinder positioning sleeve is connected with the sleeve fixed sleeve on the driving side wall of the outer cylinder.
The coaxial rotor mechanism of a water washing device according to claim 1 or 3, wherein a first retaining spring is provided on the drive shaft at a position corresponding to the outer side wall of the first bearing mechanism.
The coaxial rotor mechanism of a water washing device according to claim 1, wherein a second retaining spring is provided on the inner sealing sleeve at a position corresponding to the outer side wall of the second bearing mechanism.