Rotary connecting mechanism and drying machine with rotary connecting mechanism

Abstract

The utility model belongs to the technical field of mechanical sealing, and particularly relates to a rotary connecting mechanism and a drying machine with the rotary connecting mechanism. The rotary connecting mechanism comprises a first-stage sealing ring, a second-stage sealing sleeve, a sealing ring, a bearing device and a bearing cover plate. Wherein the first-stage sealing ring is arranged on the extrusion shaft in a sleeving manner and is located at the intersection of the extrusion shaft and the inner wall of the sealing bin; the extrusion shaft is sleeved with the second-stage sealing sleeve, and the second-stage sealing sleeve is located at the intersection of the extrusion shaft and the outer wall of the sealing bin; the sealing ring is arranged on the outer wall of the sealing bin and arranged on the outer side of the second-stage sealing sleeve in a sleeving mode. And a bearing cover plate is arranged at the end part of the bearing device. According to the connecting mode disclosed by the utility model, the stability of rotary connection is ensured, the sealing performance of connection is also effectively ensured, material leakage can be effectively prevented, and the mechanical failure rate of the extrusion bin is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mechanical seal technical field, concretely relates to a rotary connecting mechanism and drying machine with rotary connecting mechanism. BACKGROUND

[0002] In the metal smelting industry, there are various materials with water content greater than 20% that need to be dried and dehydrated, and a belt dryer is needed in the material drying process, and the extrusion bin is needed to uniformly scatter the water-containing material on the belt dryer belt; the extrusion bin is composed of an extrusion bin wall, an extrusion roller, a stirring device and a transmission speed reducer; the transmission speed reducer provides power for the rotation of the stirring device and the extrusion roller; the stirring device uniformly stirs the material entering the extrusion bin by rotating and makes the material enter above the extrusion roller; the extrusion roller extrudes the material into the lower discharge hole, and the material is uniformly scattered above the belt dryer belt. The sealing effect of the rotating part of the extrusion bin and the bin wall is poor during use, which causes the material to enter the mechanical transmission device, thereby affecting the use effect of the extrusion bin, the mechanical failure rate is high, and the maintenance cost is large; at the same time, the sealing effect is poor, the material in the bin falls from the sealing part, causing resource waste, especially in the precious metal industry, the loss is immeasurable. CONTENT OF THE UTILITY MODEL

[0003] In view of the problems existing in the prior art, the utility model provides a rotary connecting mechanism and a drying machine with the rotary connecting mechanism, and the utility model specifically includes the following contents:

[0004] A rotary connecting mechanism can improve the sealing effect of the extrusion shaft and the sealing bin wall, comprising a sealing bin and an extrusion shaft, a connecting through hole is arranged on the bin wall of the sealing bin, the end of the extrusion shaft is arranged in the connecting through hole, the rotary connecting mechanism comprises a primary sealing ring, a secondary sealing sleeve, a sealing ring, a bearing device and a bearing cover plate,

[0005] The primary sealing ring is arranged on the extrusion shaft and located at the intersection of the extrusion shaft and the inner wall of the sealing bin; the secondary sealing sleeve is arranged on the extrusion shaft and located at the intersection of the extrusion shaft and the outer wall of the sealing bin; the sealing device is arranged on the inner side and the outer side of the connection between the extrusion shaft and the sealing bin wall, which can prevent the material from leaking from the connecting through hole and improve the sealing effect;

[0006] The inner diameter of the sealing ring is greater than the diameter of the connecting through hole, the sealing ring is arranged on the outer wall of the sealing bin and sleeved on the outer side of the secondary sealing sleeve; the sealing ring is arranged outside the connecting through hole, the sealing ring is sleeved on the outer side of the secondary sealing sleeve, and the secondary sealing sleeve is limited, so that the secondary sealing sleeve is always located outside the connecting through hole and cannot be displaced due to the rotation of the extrusion shaft;

[0007] The bearing assembly is mounted on the sealing ring, and the end of the extrusion shaft is rotatably connected to the wall of the sealed chamber via the bearing assembly. A bearing cover is mounted on the end of the bearing assembly. This cover prevents material from leaking through the gap in the bearing, further enhancing the sealing effect.

[0008] Furthermore, the bearing assembly includes a bearing and a bearing seat, wherein the bearing seat is fixedly mounted on the sealing ring, and the outer ring of the bearing is fixedly mounted on the bearing seat. A connecting slot is provided at the bottom of the bearing seat, the width of which matches the thickness of the sealing ring. The bearing seat is clamped to the end of the sealing ring via the connecting slot, and the two can also be connected by multiple bolts.

[0009] Furthermore, the sealing ring is connected to the outer wall of the sealing chamber through bolts.

[0010] Furthermore, the primary sealing ring is a lip sealing ring.

[0011] Furthermore, the secondary sealing sleeve is a copper sleeve seal.

[0012] A dryer comprising the rotary connection mechanism.

[0013] Beneficial effects of the utility model:

[0014] (1) The utility model discloses a rotary connection mechanism for improving the sealing effect between the extrusion shaft and the wall of the sealing chamber. A connecting through-hole is provided on the wall of the sealing chamber, and the end of the extrusion shaft is provided in the connecting through-hole. The rotary connection mechanism includes a primary sealing ring, a secondary sealing sleeve, a sealing ring, a bearing device, and a bearing cover plate. The primary sealing ring is sleeved on the extrusion shaft and is located at the intersection of the extrusion shaft and the inner wall of the sealing chamber; the secondary sealing sleeve is sleeved on the extrusion shaft and is located at the intersection of the extrusion shaft and the outer wall of the sealing chamber. The device is provided with sealing devices on both the inner and outer sides of the connection between the extrusion shaft and the wall of the sealing chamber, which can prevent material from leaking from the connecting through-hole and improve the sealing effect.

[0015] (2) The inner diameter of the sealing ring in this device is larger than the diameter of the connecting through hole. The sealing ring is arranged on the outer wall of the sealing chamber and is sleeved on the outside of the secondary sealing sleeve. This device adds a sealing ring outside the connecting through hole. The sealing ring is sleeved on the outside of the secondary sealing sleeve to limit the secondary sealing sleeve, thereby ensuring that the secondary sealing sleeve is always located outside the connecting through hole and will not be displaced due to the rotation of the extrusion shaft.

[0016] (3) The bearing device in this device is provided on the sealing ring, and the end of the extrusion shaft is rotatably connected to the wall of the sealed chamber through the bearing device; a bearing cover plate is provided at the end of the bearing device. The cover plate at the end of the bearing device can prevent material from leaking from the gap in the bearing, further improving the sealing effect.

[0017] (4) The bearing device in this device includes a bearing and a bearing seat. The bearing seat is fixedly mounted on the sealing ring, and the outer ring of the bearing is fixedly mounted on the bearing seat. A connecting slot is provided at the bottom of the bearing seat. The width of the connecting slot matches the thickness of the sealing ring. The bearing seat is connected to the end of the sealing ring through the connecting slot, and the two can also be connected by multiple bolts. The connection method disclosed by the utility model not only ensures the stability of the rotating connection, but also effectively ensures the sealing of the connection, can effectively prevent material leakage, and reduce the mechanical failure rate of the extrusion bin. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural diagram of the rotary connection mechanism disclosed in the present utility model. DETAILED DESCRIPTION

[0019] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments. The embodiments shown below do not limit the scope of the invention as claimed in the claims. Furthermore, the entire contents of the embodiments shown below are not necessarily required to serve as the solution of the invention as claimed in the claims.

[0020] Reference Attachment Figure 1, a rotating connection mechanism that can improve the sealing effect of the extrusion shaft 9 and the sealing chamber wall 5, the chamber wall of the sealing chamber is provided with a connecting through hole, the extrusion shaft 9 is arranged in the sealing chamber, the extrusion shaft 9 is connected to the extrusion device 7, the end of the extrusion shaft 9 is arranged in the connecting through hole, the rotating connection mechanism includes a primary sealing ring 1, a secondary sealing sleeve 2, a sealing ring 8, a bearing 3 device, and a bearing cover plate 6, the primary sealing ring 1 is sleeved on the extrusion shaft 9 and is located at the intersection of the extrusion shaft 9 and the inner wall of the sealing chamber; the secondary sealing sleeve 2 is sleeved on the extrusion shaft 9 and is located at the intersection of the extrusion shaft 9 and the outer wall of the sealing chamber; this device is both on the inner and outer sides of the connection between the extrusion shaft 9 and the sealing chamber wall 5 The provision of a sealing device can prevent material from leaking from the connecting through-hole, thereby improving the sealing effect. The inner diameter of the sealing ring 8 is larger than the diameter of the connecting through-hole. The sealing ring 8 is provided on the outer wall of the sealing chamber and sleeved on the outside of the secondary sealing sleeve 2. This device adds a sealing ring 8 outside the connecting through-hole. The sealing ring 8 sleeves on the outside of the secondary sealing sleeve 2, acting as a limiter for the secondary sealing sleeve 2, ensuring that the secondary sealing sleeve 2 is always located outside the connecting through-hole and will not be displaced due to the rotation of the extrusion shaft 9. The bearing 3 device is provided on the sealing ring 8, and the end of the extrusion shaft 9 is rotatably connected to the chamber wall of the sealing chamber via the bearing 3 device. A bearing cover plate 6 is provided at the end of the bearing 3 device. The cover plate provided at the end of the bearing 3 device can prevent material from leaking from the gap in the bearing 3, further improving the sealing effect.

[0021] In one embodiment of the present invention, the bearing 3 device includes a bearing 3 and a bearing seat 4. The bearing seat 4 is fixedly mounted on the sealing ring 8, and the outer ring of the bearing 3 is fixedly mounted on the bearing seat 4. A connecting groove is provided at the bottom of the bearing seat 4. The width of the connecting groove matches the thickness of the sealing ring 8. The bearing seat 4 is clamped to the end of the sealing ring 8 through the connecting groove, and the two can also be connected by multiple bolts.

[0022] In one embodiment of the present invention, the sealing ring 8 is connected to the outer wall of the sealing chamber by bolts.

[0023] In one embodiment of the present invention, the primary sealing ring 1 is a lip sealing ring.

[0024] In one embodiment of the present invention, the secondary sealing sleeve 2 is a copper sleeve seal.

[0025] A dryer comprising the rotary connection mechanism of the present invention.

[0026] In the rotary connection mechanism of the present invention, the primary sealing ring 1 is sleeved on the extrusion shaft 9 and located at the intersection of the extrusion shaft 9 and the inner wall of the sealing chamber; the secondary sealing sleeve 2 is sleeved on the extrusion shaft 9 and located at the intersection of the extrusion shaft 9 and the outer wall of the sealing chamber; the device is provided with sealing devices on both the inner and outer sides of the connection between the extrusion shaft 9 and the sealing chamber wall 5, which can prevent material from leaking from the connecting through-hole and improve the sealing effect. The device is provided with a sealing ring 8 outside the connecting through-hole, and the sealing ring 8 is sleeved on the outer side of the secondary sealing sleeve 2, which plays a role in limiting the secondary sealing sleeve 2, and can ensure that the secondary sealing sleeve 2 is always located outside the connecting through-hole and will not be displaced due to the rotation of the extrusion shaft 9. The device is provided with a cover plate at the end of the bearing 3 device, which can prevent material from escaping from the gap of the bearing 3, further improving the sealing effect. The connection method disclosed by the present invention not only ensures the stability of the rotary connection, but also effectively ensures the sealing of the connection, can effectively prevent material leakage, and reduce the mechanical failure rate of the extrusion chamber.

[0027] In the description of this application, it should be noted that the terms "inside" and "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on this application.

[0028] Unless otherwise specified or limited, the terms "disposed" and "connected" should be understood broadly. For example, they can refer to fixed, detachable, or integral connections; mechanical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0029] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A rotary connection mechanism, comprising a sealed chamber and an extrusion shaft, wherein a connecting through hole is provided on the chamber wall of the sealed chamber, and the end of the extrusion shaft is provided in the connecting through hole, characterized in that: The rotating connection mechanism includes a primary sealing ring, a secondary sealing sleeve, a sealing ring, a bearing device, and a bearing cover plate. The primary sealing ring is sleeved on the extrusion shaft and is located at the intersection of the extrusion shaft and the inner wall of the sealing chamber; The secondary sealing sleeve is sleeved on the extrusion shaft and is located at the intersection of the extrusion shaft and the outer wall of the sealing chamber; The inner diameter of the sealing ring is larger than the diameter of the connecting through hole. The sealing ring is arranged on the outer wall of the sealing chamber and is sleeved on the outer side of the secondary sealing sleeve. The bearing device is arranged on the sealing ring, and the end of the extrusion shaft is rotatably connected to the warehouse wall of the sealing warehouse through the bearing device; the end of the bearing device is provided with a bearing cover plate.

2. A rotary connection mechanism according to claim 1, characterized in that: The bearing device includes a bearing and a bearing seat. The bearing seat is fixedly mounted on the sealing ring, and the outer ring of the bearing is fixedly mounted on the bearing seat.

3. A rotary connection mechanism according to claim 1, characterized in that: The sealing ring is connected to the outer wall of the sealing chamber through bolts.

4. The rotary connection mechanism according to any one of claims 1 to 3, characterized in that: The primary sealing ring is a lip sealing ring.

5. A rotary connection mechanism according to claim 4, characterized in that: The secondary sealing sleeve is a copper sleeve seal.

6. A dryer, characterized in that: The invention comprises the rotating connection mechanism according to any one of claims 1 to 5.

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