A coaxial rotor mechanism for water washing equipment

Abstract

A coaxial rotor mechanism for a washing device relates to the technical field of coaxial rotor mechanisms for washing devices in the textile industry, and solves the technical deficiencies that the sprockets and chains of the coaxial rotor mechanisms of the existing washing devices are installed in the box of the washing devices, which are difficult to maintain and have poor reliability. The solution adopted is as follows: an inner sealing sleeve is sleeved on the driving shaft, and a first waterproof sealing ring and a first bearing mechanism are arranged between the driving shaft and the inner sealing sleeve; the inner sealing sleeve is tightly connected to the outer cylinder; a shaft sleeve is sleeved on the inner sealing sleeve, and a second waterproof sealing ring and a second bearing mechanism are arranged between the inner sealing sleeve and the shaft sleeve, and a synchronous pulley is arranged on the outer end of the shaft sleeve on the inner sealing sleeve, and the synchronous pulley is connected to the outer cylinder synchronous driving mechanism through a synchronous belt. The problem of difficulty in installation, debugging and maintenance of the existing built-in link structure of the box is effectively solved; the use of synchronous pulleys and synchronous belts at the same time can effectively improve the running speed of the washing device and achieve the result of improving production efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of coaxial rotor mechanisms of washing equipment in the textile industry, and in particular to the improvement of a double mechanical seal structure in a coaxial rotor mechanism. Background Art

[0002] Reference Figure 1 As shown in the figure, in the coaxial rotor mechanism of the existing water washing equipment, the outer cylinder 21 is connected to the outer cylinder driving mechanism 32 via the synchronous sprocket 91 and the chain 92, and the synchronous sprocket 91 and the chain 92 are installed in the housing 1 of the water washing equipment. Due to the limited space inside the water washing equipment, the chain is a vulnerable and consumable part, which needs to be repaired from time to time, and the maintenance is difficult; when the water washing equipment is running at a high speed, the chain is very unstable and is prone to breakage, which affects the production speed. Summary of the invention

[0003] The purpose of the present invention is to solve the technical shortcomings of the coaxial rotor mechanism of the existing water washing equipment, that is, the sprocket and chain are installed in the box of the water washing equipment, which makes maintenance difficult and has poor reliability, and to provide a coaxial rotor mechanism of the water washing equipment to solve the maintenance difficulty and improve production efficiency.

[0004] In order to solve the technical problem proposed by the present invention, the technical solution adopted is:

[0005] A coaxial rotor mechanism of a washing device comprises a housing, an outer cylinder arranged in the housing, an inner cylinder arranged in the outer cylinder, an outer cylinder synchronous driving mechanism arranged outside the housing to drive the outer cylinder to rotate, and an inner cylinder synchronous driving mechanism arranged outside the housing to drive the inner cylinder to rotate; the inner cylinder is fixedly connected to a driving shaft, the driving shaft is movably connected to the side wall of the housing, one end of the driving shaft extends out of the housing and is connected to the inner cylinder synchronous driving mechanism; the outer cylinder is movably sleeved with the driving shaft; it is characterized in that: an inner sealing sleeve is sleeved on the driving shaft, A first waterproof sealing ring and a first bearing mechanism are provided between the driving shaft and the inner sealing sleeve, and 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 to the sleeve fixing sleeve on the driving side wall of the outer cylinder; a shaft sleeve is sleeved on the inner sealing sleeve, and a second waterproof sealing ring and a second bearing mechanism are provided between the inner sealing sleeve and the shaft sleeve, the shaft sleeve is fixedly connected to the outer side wall of the box body, and a synchronous pulley is provided on the inner sealing sleeve at the outer end of the shaft sleeve, and the synchronous pulley is transmission-connected to the synchronous driving mechanism of the outer cylinder through a synchronous belt.

[0006] The technical solutions for further limiting the present invention include:

[0007] The first waterproof sealing ring is locked and connected to the drive shaft, and the first waterproof sealing ring is gap-matched with the inner wall of the inner sealing sleeve. A sleeve inner convex step is provided on the inner wall of the inner sealing sleeve at the inner end of the first waterproof sealing ring, and the inner end face of the first waterproof sealing ring is sealingly fitted with the side of the sleeve inner convex step.

[0008] The first bearing mechanism includes a first left bearing, a first right bearing, a bearing positioning 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, forming a bearing positioning step, 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, the first left bearing is positioned in coordination with the bearing positioning step, and the first bearing locking cover is tightly connected to the inner sealing sleeve.

[0009] 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, the inner convex edge is sealingly fitted with the second waterproof sealing ring, the second waterproof sealing ring is locked and connected to the inner sealing sleeve by screws, and the second waterproof sealing ring is gap-matched with the shaft sleeve; the outer end of the sealing ring limiting sleeve is provided with an outer convex edge, and the outer convex edge is clamped and sealed by the box body and the shaft sleeve.

[0010] The shaft sleeve is provided with an inner step for separating the second waterproof sealing ring and the second bearing mechanism. The inner step is sealed with the inner sealing sleeve. The outer end of the shaft sleeve is fixedly connected with a second bearing locking cover by screws.

[0011] A roller positioning protrusion is provided on the driving shaft at the gap between the driving side wall of the inner cylinder and the driving side wall of the outer cylinder, an outer cylinder positioning sleeve is movably sleeved on the outer side of the roller positioning protrusion, and the side wall of the outer cylinder positioning sleeve is connected to the sleeve fixing sleeve on the driving side wall of the outer cylinder.

[0012] A first retaining spring is provided on the driving shaft at a position corresponding to the outer side wall of the first bearing mechanism.

[0013] 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.

[0014] The beneficial effects of the present invention are as follows: the outer cylinder of the present invention adopts an external synchronous pulley and a synchronous belt to be connected with the outer cylinder synchronous driving mechanism for transmission, which can effectively solve the problems of great difficulty in installation, debugging and maintenance of the existing built-in link structure of the box; at the same time, the use of synchronous pulleys and synchronous belts can effectively increase the operating speed of the water washing equipment, thereby achieving the result of improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the coaxial rotor mechanism structure of the existing water washing equipment.

[0016] Figure 2 It is a schematic diagram of the overall structure of the present invention;

[0017] Figure 3 It is a partial enlarged structural schematic diagram of the present invention;

[0018] Figure 4 This is a schematic diagram of the three-dimensional structure of the present invention without the box body, the outer cylinder and the inner cylinder;

[0019] Figure 5 for Figure 4 Schematic diagram of the decomposition structure. DETAILED DESCRIPTION

[0020] The structure of the invention is further described below in conjunction with the accompanying drawings and specific embodiments of the invention.

[0021] Reference Figures 2 to 5 As shown in the figure, the coaxial rotor mechanism of the water washing equipment disclosed in the present invention is the same as the coaxial rotor mechanism of the existing water washing equipment, and also includes a housing 1, an outer cylinder 21 arranged in the housing 1, an inner cylinder 22 arranged in the outer cylinder 21, an outer cylinder synchronous driving mechanism 32 arranged outside the housing 1 to drive the outer cylinder 21 to rotate, and an inner cylinder synchronous driving mechanism 31 arranged outside the housing 1 to drive the inner cylinder 22 to rotate; the inner cylinder 22 is fixedly connected with a driving shaft 23, the driving shaft 23 is movably connected with the side wall of the housing 1, one end of the driving shaft 23 extends out of the housing 1 and is connected with the inner cylinder synchronous driving mechanism 31; the outer cylinder 21 is movably sleeved with the driving shaft 23; the difference is that: the present invention cancels the sprocket and chain connected with the outer cylinder 21 arranged in the housing 1, and instead connects the outer cylinder 21 to the inner sealing sleeve 4, the inner sealing sleeve 4 extends horizontally out of the housing 1, and is transmission-connected with the outer cylinder synchronous driving mechanism 32 outside the housing 1 through a synchronous pulley and a synchronous belt.

[0022] Since there is a speed difference between the drive shaft 23 and the inner sealing sleeve 4, in order to realize double-axis mechanical sealing and facilitate assembly, the present invention specifically adopts the following scheme: the inner sealing sleeve 4 is sleeved on the drive shaft 23, and 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 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 51 prevents the working fluid in the casing 1 from overflowing through the gap between the drive shaft 23 and the inner sealing sleeve 4, and the first bearing mechanism 52 ensures that the inner sealing sleeve 4 can rotate freely relative to the drive shaft 23.

[0023] The inner end of the inner sealing sleeve 4 is tightly connected to the sleeve fixing sleeve 211 on the driving side wall of the outer cylinder 21, and the inner sealing sleeve 4 serves as a transmission shaft for driving the outer cylinder 21 to rotate; in order to realize the rotational connection between the inner sealing sleeve 4 and the housing 1, 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 provided between the inner sealing sleeve 4 and the shaft sleeve 6. The shaft sleeve 6 is fixedly connected to the outer wall of the housing 1, and a synchronous pulley 81 is provided on the inner sealing sleeve 4 at the outer end of the shaft sleeve 6. The synchronous pulley 81 is transmission-connected to the outer cylinder synchronous driving mechanism 32 through a synchronous belt 82. The second waterproof sealing ring 71 prevents the working fluid in the housing 1 from overflowing through the gap between the inner sealing sleeve 4 and the shaft sleeve 6.

[0024] The first waterproof seal ring 51 is locked and connected with the drive shaft 23, and the first waterproof seal ring 51 is in gap with the inner wall of the inner sealing sleeve 4. A sleeve inner convex step 41 is provided on the inner wall of the inner sealing sleeve 4 at the inner end of the first waterproof seal ring 51, and the inner end face of the first waterproof seal ring 51 is sealed and fitted with the side of the sleeve inner convex step 41. Since the first waterproof seal ring 51 is fixed on the drive shaft 23, the end face of the first waterproof seal ring 51 can be elastically sealed and fitted with the side of the sleeve inner convex step 41, so as to achieve waterproof sealing with less friction.

[0025] 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 diameter of the drive shaft 23 from the corresponding position of the first bearing mechanism 52 to the connecting end of the inner cylinder synchronous drive mechanism is smaller than that of other sections, and a bearing positioning step 231 is formed. The first left bearing 521, the bearing positioning sleeve 523, the first right bearing 522 and the first bearing locking cover 524 are sequentially sleeved on the drive shaft 23, the first left bearing 521 cooperates with the bearing positioning step 231 for positioning, and the first bearing locking cover 524 is closely connected to the inner sealing sleeve 4. A first retaining spring 525 is provided at a position corresponding to the outer side wall of the first right bearing 522 of the first bearing mechanism 52 on the drive shaft 23, and the first retaining spring 525 limits the axial movement of the first bearing mechanism 52.

[0026] The inner sealing sleeve 4 is also sleeved with a sealing ring limiting sleeve 73, the inner side end of the sealing ring limiting sleeve 73 is provided with an inner convex edge 731, the inner convex edge 731 is sealed and fitted 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 gap-matched with the shaft sleeve 6; the outer side end of the sealing ring limiting sleeve 73 is provided with an outer convex edge 732, and the outer convex edge 732 is clamped and sealed by the box body 1 and the shaft sleeve 6. That is, the sealing ring limiting sleeve 73 serves as an outer sealing sleeve, and cooperates with the second waterproof sealing ring 71 for sealing.

[0027] The shaft sleeve 6 is provided with an inner step 61 for separating the second waterproof seal ring 71 and the second bearing mechanism 72. The inner step 61 is sealed with the inner sealing sleeve 4. The outer end of the shaft sleeve 6 is fixedly connected with a second bearing locking cover 74 by screws. The inner sealing sleeve 4 is provided with a second retaining spring 75 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.

[0028] A roller positioning protrusion 232 is provided on the driving shaft 23 at the gap between the driving side wall of the inner cylinder 22 and the driving side wall of the outer cylinder 21. An outer cylinder positioning sleeve 212 is movably sleeved on the outer side of the roller positioning protrusion 232. The side wall of the outer cylinder positioning sleeve 212 is fixedly connected to the sleeve fixing sleeve 211 on the driving side wall of the outer cylinder.

[0029] During assembly, the drive shaft 23 is horizontally inserted into the box body 1 from the outside of the box body 1, enters the inner cylinder 22 through the through hole on the driving side wall of the outer cylinder 21, and is fixedly connected to the inner cylinder 22; then, the drive shaft 23 is sleeved into the outer cylinder positioning sleeve 212, and the screws are screwed into the outer cylinder positioning sleeve 212 from the sleeve fixing sleeve 211 to achieve the positioning of the outer cylinder 21 and the side wall of the inner cylinder 22, while ensuring that the outer cylinder 21 can rotate freely around the drive shaft 23; then the inner sealing sleeve 4 is installed, and one end of the inner side of the inner sealing sleeve 4 is inserted into the sleeve fixing sleeve 211, and is clamped and fixedly connected, and the first waterproof sealing ring 51 is sleeved on the drive shaft 23, and the screws are installed from the operating hole provided on the inner sealing sleeve 4, and the first waterproof sealing ring 51 is connected to the drive shaft 2 3 is fixedly connected, and then the first bearing mechanism 52 is installed, and the waterproof mechanical seal of the drive shaft 23 is completed after the first bearing locking cover 524 is covered; then, the sealing ring limiting sleeve 73 and the second waterproof sealing ring 71 are sequentially put on the inner sealing sleeve 4, and the second waterproof sealing ring 71 is locked and connected with the inner sealing sleeve 4 by screws, and then the sleeve 6 is fixedly installed with the box body 1, the second bearing mechanism 72 is installed in the sleeve 6, and the second bearing locking cover 74 is covered, and the waterproof mechanical seal of the inner sealing sleeve 4 is completed; finally, the synchronous pulley 81 is installed on the inner sealing sleeve 4, and is connected to the outer cylinder synchronous drive mechanism 32 through the synchronous belt 82; the outer end of the drive shaft 23 is connected to the inner cylinder synchronous drive mechanism 31.

[0030] In summary, in the coaxial rotor mechanism of the present invention, the driving shaft 23 passes through the inner sealing sleeve 4 to connect the inner cylinder 22, and the inner cylinder synchronous driving mechanism 31 drives the inner cylinder 22 to rotate through the driving shaft 23; the outer cylinder synchronous driving mechanism 32 is connected to a synchronous belt 82, and the driving side of the outer cylinder 21 is provided with a sleeve fixing sleeve 211, one end of the inner sealing sleeve 4 is connected to a synchronous pulley 81, and the other end is connected to the sleeve fixing sleeve 211, and the outer cylinder synchronous driving mechanism 32 is connected to the synchronous pulley 82 through the synchronous belt 82, so that the outer cylinder synchronous driving 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 driving 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 driving shaft 23. A first bearing mechanism 52 is provided between the driving shaft 23 and the inner sealing sleeve 4 , and a second bearing mechanism 72 is provided between the inner sealing sleeve 4 and the shaft sleeve 6 , so as to ensure that the driving shaft 23 and the inner sealing sleeve 4 can rotate freely relative to the housing 1 .

Claims

1. A coaxial rotor mechanism for a washing device, comprising a housing, an outer cylinder arranged in the housing, an inner cylinder arranged in the outer cylinder, an outer cylinder synchronous driving mechanism arranged outside the housing to drive the outer cylinder to rotate, and an inner cylinder synchronous driving mechanism arranged outside the housing to drive the inner cylinder to rotate; the inner cylinder is fixedly connected to a driving shaft, the driving shaft is movably connected to the side wall of the housing, one end of the driving shaft extends out of the housing and is connected to the inner cylinder synchronous driving mechanism; the outer cylinder is movably sleeved with the driving shaft; characterized in that: An inner sealing sleeve is sleeved on the driving shaft, and a first waterproof sealing ring and a first bearing mechanism are provided between the driving shaft and the inner sealing sleeve, and 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 to the sleeve fixing sleeve on the driving side wall of the outer cylinder; a shaft sleeve is sleeved on the inner sealing sleeve, and a second waterproof sealing ring and a second bearing mechanism are provided between the inner sealing sleeve and the shaft sleeve, and the shaft sleeve is fixedly connected to the outer side wall of the box body, and a synchronous pulley is provided on the inner sealing sleeve at the outer end of the shaft sleeve, and the synchronous pulley is transmission-connected to the synchronous driving mechanism of the outer cylinder through a synchronous belt.

2. The coaxial rotor mechanism of a water washing device according to claim 1, characterized in that: The first waterproof sealing ring is locked and connected to the drive shaft, and the first waterproof sealing ring is gap-matched with the inner wall of the inner sealing sleeve. A sleeve inner convex step is provided on the inner wall of the inner sealing sleeve at the inner end of the first waterproof sealing ring, and the inner end face of the first waterproof sealing ring is sealingly fitted with the side of the sleeve inner convex step.

3. The coaxial rotor mechanism of a water washing device according to claim 2, characterized in that: The first bearing mechanism includes a first left bearing, a first right bearing, a bearing positioning 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, forming a bearing positioning step, 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, the first left bearing is positioned in coordination with the bearing positioning step, and the first bearing locking cover is tightly connected to the inner sealing sleeve.

4. The coaxial rotor mechanism of a water washing device according to claim 2, characterized in that: 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, the inner convex edge is sealingly fitted with the second waterproof sealing ring, the second waterproof sealing ring is locked and connected to the inner sealing sleeve by screws, and the second waterproof sealing ring is gap-matched with the shaft sleeve; the outer end of the sealing ring limiting sleeve is provided with an outer convex edge, and the outer convex edge is clamped and sealed by the box body and the shaft sleeve.

5. The coaxial rotor mechanism of a water washing device according to claim 4, characterized in that: The shaft sleeve is provided with an inner step for separating the second waterproof sealing ring and the second bearing mechanism. The inner step is sealed with the inner sealing sleeve. The outer end of the shaft sleeve is fixedly connected with a second bearing locking cover by screws.

6. The coaxial rotor mechanism of a water washing device according to claim 1, characterized in that: A roller positioning protrusion is provided on the driving shaft at the gap between the driving side wall of the inner cylinder and the driving side wall of the outer cylinder, an outer cylinder positioning sleeve is movably sleeved on the outer side of the roller positioning protrusion, and the side wall of the outer cylinder positioning sleeve is connected to the sleeve fixing sleeve on the driving side wall of the outer cylinder.

7. The coaxial rotor mechanism of a water washing device according to claim 1 or 3, characterized in that: A first retaining spring is provided on the driving shaft at a position corresponding to the outer side wall of the first bearing mechanism.

8. The coaxial rotor mechanism of a water washing device according to claim 1, characterized in that: 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.

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