Roller sealing retaining device

Abstract

The utility model provides a roller sealing retaining device, which belongs to the technical field of tobacco mechanical equipment and comprises a retaining block and a support plate, bolt holes are arranged at two ends of the retaining block, guide rods are in threaded connection in the bolt holes, and the retaining block is movably connected with the support plate through the guide rods. The supporting block is fixed to a pressing ring of the roller sealing ring through a fixing base. When the roller rotates, the roller sealing ring can be kept attached to the outer wall of the roller body, the service life of the roller sealing ring is effectively prolonged, and material leakage of equipment and the replacement frequency of the roller sealing ring are reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of tobacco mechanical equipment, and in particular relates to a roller sealing and retaining device. Background Art

[0002] In the tobacco industry, drum equipment is widely used as the main equipment in key processes such as moisture recovery, feeding, drying, and flavoring. In order to prevent the material from overflowing at the junction of the cylinder and the feed cover and discharge cover, an annular sealing ring that fits the cylinder is provided on the feed cover and discharge cover. Since the cylinder is a rolled process with poor roundness, radial runout on the outer wall, and high and low points in the circumferential direction, when the cylinder rotates, the sealing ring that fits it is constantly ejected and reset, resulting in an increase in the gap or even damage to the sealing ring after a period of use. The sealing ring cannot keep in contact with the cylinder, the sealing effect is reduced or even completely fails, and the tobacco material overflows.

[0003] In order to ensure the integrity of the process formula and reduce material loss, maintenance personnel need to frequently replace the sealing ring, which is time-consuming and labor-intensive. At present, the sealing ring is usually bundled to extend its service life, but the effect is not ideal. Utility Model Content

[0004] In view of the defects or shortcomings in the prior art, the utility model provides a drum sealing retaining device, which can ensure that the drum sealing ring remains in contact with the outer wall of the drum cylinder when the drum rotates, effectively improving the service life of the drum sealing ring, reducing equipment leakage and the frequency of replacement of the drum sealing ring.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An embodiment of the utility model provides a roller seal retaining device, including a retaining block and a support plate, wherein bolt holes are provided at both ends of the retaining block, guide rods are threadedly connected to the bolt holes, the retaining block is movably connected to the support plate via the guide rod, and the support block is fixed to the pressure ring of the roller seal ring via a fixing seat.

[0007] Furthermore, the support plate includes a horizontal plate and a vertical plate, and the horizontal plate and the vertical plate are vertically arranged.

[0008] Furthermore, the transverse plate is arranged in parallel with the retaining block, and guide holes are provided at both ends of the transverse plate, and the guide holes are arranged corresponding to the bolt holes.

[0009] Furthermore, the guide rod is sleeved in the guide hole, the two ends of the guide rod are threaded, the middle is a smooth rod, one end of the guide rod is threadedly connected to the retaining block, and the other end is threadedly connected to the adjusting nut, and the smooth rod is located in the guide hole.

[0010] Furthermore, a spring is arranged between the support plate and the retaining block, and the spring is a cylindrical helical compression spring, and the pre-compression amount of the spring can be adjusted by an adjusting nut.

[0011] Furthermore, the fixing seat is fixedly connected to the vertical plate of the support plate. The fixing seat is L-shaped, one end of which is connected to the vertical plate of the support plate by bolts, and the other end is installed on the pressure ring of the drum sealing ring by bolts.

[0012] Furthermore, a first slot-shaped mounting hole is provided on one end of the fixing seat connected to the pressure ring, which is used to adjust the radial mounting position of the device relative to the drum body and the pre-pressure on the drum sealing ring.

[0013] Furthermore, a second slot-shaped mounting hole is provided on the vertical plate of the support plate at the connection with the fixing seat, which is used to adjust the axial mounting position of the device relative to the drum body and the drum sealing ring.

[0014] Furthermore, a surface of the retaining block away from the supporting plate is a working surface, and the working surface is in contact with the outer wall of the drum sealing ring.

[0015] Furthermore, the working surface is in an arc shape, and the diameter of the arc of the working surface is the same as the diameter of the outer wall of the drum sealing ring.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The utility model provides a retaining block on the pressure ring of the drum sealing ring, and uses a supporting plate and a spring to enable the retaining block to be continuously pressed in and ejected with the drum when the drum rotates, thereby ensuring that the drum sealing ring is kept in close contact with the outer wall of the drum cylinder, effectively prolonging the service life of the drum sealing ring, reducing equipment leakage and the frequency of replacement of the drum sealing ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of the holding device in the embodiment of the utility model;

[0019] Figure 2 A top view of the retaining device in the embodiment of the utility model;

[0020] Figure 3 This is a schematic diagram of the installation of the holding device in the embodiment of the utility model;

[0021] Figure 4 This is a diagram showing the installation position of the holding device on the drum body in the embodiment of the utility model;

[0022] Among them, 1. retaining block; 2. support plate; 3. bolt hole; 4. guide rod; 5. guide hole; 6. adjusting nut; 7. spring; 8. fixing seat; 9. pressure ring; 10. drum sealing ring; 11. drum body; 12. first groove-type mounting hole; 13. second groove-type mounting hole. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0024] A typical implementation of the present utility model is as follows Figure 1 As shown, a drum sealing retaining device comprises a retaining block 1 and a support plate 2. Bolt holes 3 are provided at both ends of the retaining block 1. Guide rods 4 are threadedly connected to the bolt holes 3. The retaining block 1 is movably connected to the support plate 2 via the guide rods 4.

[0025] Specifically, the support plate 2 is T-shaped, including a horizontal plate and a vertical plate, and the horizontal plate and the vertical plate are arranged vertically. Figure 2 As shown, the cross plate is arranged parallel to the retaining block 1, and guide holes 5 are opened at both ends of the cross plate. The guide holes 5 are arranged corresponding to the bolt holes 3. The guide rod 4 is sleeved in the guide hole 5. The two ends of the guide rod 4 are threaded, and the middle is a smooth rod. One end of the guide rod 4 is threadedly connected to the retaining block 1, and the other end of the guide rod 4 is threadedly connected to the adjusting nut 6. The smooth rod part is located in the guide hole 5, so that the support plate 2 can slide between the retaining block 1 and the adjusting nut 6.

[0026] A spring 7 is provided between the support plate 2 and the retaining block 1 . The spring 7 is a cylindrical helical compression spring, and the pre-compression amount of the spring 7 can be adjusted by adjusting the nut 6 .

[0027] Under the action of the guide rod 4 and the spring 7, the retaining block 1 can move toward the support plate 2 when subjected to external pressure, and can automatically rebound to its original position under the action of the spring 7 after the external pressure is released.

[0028] like Figure 3 and Figure 4 As shown, the vertical plate of the support plate 2 is fixedly connected with a fixing seat 8, the fixing seat 8 is L-shaped, one end of which is connected to the vertical plate of the support plate 2 by bolts, and the other end of the fixing seat 8 is installed on the pressure ring 9 of the drum sealing ring 10 by bolts, and the end of the fixing seat 8 connected to the pressure ring 9 is provided with a first groove-shaped mounting hole 12 for adjusting the radial mounting position of the device relative to the drum body 11 and the pre-pressure on the drum sealing ring 10, and the vertical plate of the support plate 2 is provided with a second groove-shaped mounting hole 13 at the connection with the fixing seat 8 for adjusting the axial mounting position of the device relative to the drum body 11 and the drum sealing ring 10.

[0029] The side of the retaining block 1 away from the support plate is a working surface, which fits the outer wall of the drum sealing ring 10 during operation. The working surface is arc-shaped, and the diameter of the arc is the same as the outer wall diameter of the drum sealing ring 10.

[0030] How it works

[0031] During installation, the second groove-shaped mounting hole on the vertical plate of the support plate is used to adjust the axial mounting position of the retaining block relative to the drum body and the drum sealing ring. By adjusting the spring pre-compression amount and the mounting position of the fixing seat, the retaining block has a suitable pre-pressure on the drum sealing ring.

[0032] During operation, since the outer wall of the drum cylinder is an irregular circumference, as the drum cylinder rotates, under the action of the spring, the retaining block is continuously pressed in and popped out relative to the support plate, and the drum sealing ring remains in contact with the outer wall of the drum cylinder, which effectively improves the service life of the drum sealing ring and reduces equipment leakage and the frequency of replacement of the drum sealing ring.

[0033] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A drum sealing and holding device, characterized in that: It includes a retaining block and a support plate. Bolt holes are arranged at both ends of the retaining block. Guide rods are threadedly connected to the bolt holes. The retaining block is movably connected to the support plate through the guide rod. The support plate is fixed to the pressure ring of the drum sealing ring through a fixing seat.

2. A drum sealing and holding device according to claim 1, characterized in that: The support plate comprises a horizontal plate and a vertical plate, and the horizontal plate and the vertical plate are arranged perpendicularly.

3. A drum sealing and holding device as claimed in claim 2, characterized in that: The transverse plate is arranged in parallel with the retaining block, and guide holes are provided at both ends of the transverse plate, and the guide holes are arranged corresponding to the bolt holes.

4. A drum sealing and holding device as claimed in claim 3, characterized in that: The guide rod is sleeved in the guide hole, has threads at both ends and a smooth rod in the middle, one end of the guide rod is threadedly connected to the retaining block, and the other end is threadedly connected to an adjusting nut, and the smooth rod is located in the guide hole.

5. A drum sealing and holding device as claimed in claim 4, characterized in that: A spring is arranged between the support plate and the retaining block. The spring is a cylindrical helical compression spring, and the pre-compression amount of the spring is adjusted by an adjusting nut.

6. A drum sealing and holding device as claimed in claim 2, characterized in that: The fixing seat is fixedly connected to the vertical plate of the support plate. The fixing seat is L-shaped, one end of which is connected to the vertical plate of the support plate by bolts, and the other end is installed on the pressure ring of the drum sealing ring by bolts.

7. A drum sealing and holding device as claimed in claim 6, characterized in that: A first slot-shaped mounting hole is provided on one end of the fixing seat connected to the pressure ring, which is used to adjust the radial mounting position of the device relative to the drum body and the pre-pressure on the drum sealing ring.

8. A drum sealing and holding device as claimed in claim 6, characterized in that: A second slot-shaped mounting hole is provided at the connection between the vertical plate of the support plate and the fixing seat, which is used to adjust the axial mounting position of the device relative to the drum body and the drum sealing ring.

9. A drum sealing and holding device as claimed in claim 1, characterized in that: The side of the retaining block away from the supporting plate is a working surface, and the working surface is in contact with the outer wall of the drum sealing ring.

10. A drum sealing and holding device according to claim 9, characterized in that: The working surface is in an arc shape, and the diameter of the arc of the working surface is the same as the diameter of the outer wall of the drum sealing ring.

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