Feeding port sealing mechanism

Abstract

The utility model discloses a feed port sealing mechanism, which belongs to the field of feed port sealing and comprises a dry mixer shell. A sealing ring convenient mounting mechanism for conveniently mounting a sealing ring is mounted on the dry mixer shell; the dry mixer shell is provided with an anti-loosening mechanism used for preventing the situation that the sealing effect is reduced due to loosening of screws of the sealing ring convenient installation mechanism. The convenient sealing ring installation mechanism comprises a main body installation assembly, a convenient installation limiting assembly, a convenient sealing ring installation assembly, a sealing ring assembly and a sealing fastening assembly. The dry mixer shell and the convenient installation limiting assembly are both connected with the main body installation assembly; the sealing ring convenient installation assembly is connected with the convenient installation limiting assembly. By means of the mode, the sealing ring can be rapidly installed through the convenient sealing ring installation mechanism, only the damaged part needs to be replaced when the sealing ring installation ring goes wrong, and cost is reduced.

Description

Technical Field

[0001] This utility model relates to the field of inlet sealing, and specifically to an inlet sealing mechanism. Background Technology

[0002] A feed inlet sealing mechanism is a device used to prevent material leakage, dust spillage, or gas escape. It typically employs designs such as elastic sealing rings, mechanical clamping, pneumatic seals, or labyrinth structures to ensure airtightness during the feeding process. It is widely used in conveying equipment in industries such as chemical, food, and pharmaceutical. Its core characteristics are wear resistance, pressure resistance, ease of maintenance, and adaptability to different material properties and process requirements.

[0003] Chinese patent CN222305972U discloses a ball mill feed inlet sealing and leak-proof device, including a ball mill feed end cylinder that can be fixed to the ball mill feed pipe, an arc-shaped plate, a feed pipe sleeve, a sealing ring, and double clamps; the arc-shaped plate and the rubber feed pipe sleeve are integrated; the feed pipe sleeve is fixed to the ball mill feed pipe with double clamps, and then the arc-shaped plate and the rubber feed pipe sleeve are pushed together with the ball mill feed pipe into the ball mill feed end cylinder, so that the open ring of the arc-shaped plate fits against the ball mill feed end cylinder to form a sealing and leak-proof area. This device can prevent gaps caused by wear of the sealing ring at the contact surface between the ball mill feed inlet body and the feed pipe, and can prevent leakage at the ball mill feed end when there is a large backflow of slurry. It also improves the sealing and leak-proof effect, prevents slurry leakage from affecting the working environment, and improves the equipment operating rate of the ball mill. It also has the advantages of simple manufacturing and installation and low cost. However, this device still has the following problems:

[0004] When replacing the sealing ring, large sealing rings are generally made of rubber, which is difficult to fit on the outside of the feed pipe sleeve in cold winter temperatures because of its hardness.

[0005] Based on this, the present invention designs a feed inlet sealing mechanism to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the existing technology, the present invention provides a feed inlet sealing mechanism.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A feed inlet sealing mechanism includes a dry mixer housing;

[0009] The dry mixer housing is equipped with a convenient sealing ring installation mechanism for easy installation of the sealing ring;

[0010] The dry mixer housing is equipped with an anti-loosening mechanism to prevent the sealing effect from being reduced due to the loosening of the screws of the convenient installation mechanism of the sealing ring.

[0011] The convenient installation mechanism for the sealing ring includes a main installation component, a convenient installation limiting component, a convenient installation component for the sealing ring, a sealing ring component, and a sealing fastening component; the dry mixer housing and the convenient installation limiting component are both connected to the main installation component; the convenient installation component for the sealing ring is connected to the convenient installation limiting component; the sealing ring component is connected to the convenient installation component for the sealing ring; the anti-loosening mechanism, the main installation component, and the convenient installation component for the sealing ring are all connected to the sealing fastening component;

[0012] Furthermore, the main mounting assembly includes a fixing block; the rear end of the fixing block is fixedly connected to the dry mixer housing, and a feed pipe clearance groove is provided in the middle of the fixing block; the convenient installation limiting component and the sealing fastening component are both connected to the fixing block.

[0013] Furthermore, the convenient installation limiting component includes a hinge shaft; multiple hinge shafts are arranged in a circumferential array on the inner side of the dry mixer housing, one end of the hinge shaft is hinged to the inner sidewall of the dry mixer housing; the other end of the hinge shaft is connected to the convenient installation component of the sealing ring; the convenient installation component of the sealing ring is connected to the convenient installation component of the sealing ring through a groove.

[0014] Furthermore, the convenient installation component for the sealing ring includes a movable block and a protrusion. The movable block has a groove. Each hinge shaft is hinged to the inner wall of the groove on a movable block. The protrusion is fixedly connected to the side of the movable block near the feed inlet axis. The protrusion is connected to the sealing ring assembly. The movable block is connected to the sealing fastening assembly. After the hinge shaft rotates, the sides of the movable blocks that are close to each other abut against each other.

[0015] Furthermore, the sealing ring assembly includes a rubber ring, and a second groove is provided on the outer wall of the rubber ring; the rubber ring is engaged with the protrusion through the second groove.

[0016] Furthermore, the sealing and fastening assembly includes pressure plates and screws; the two pressure plates are symmetrically arranged on the left and right; the ends of the two pressure plates that are far apart from each other are respectively threadedly connected to a screw, and the screws are threadedly connected to the fixing block; the end of the screw that is far away from the pressure plate is connected to the anti-loosening mechanism.

[0017] Furthermore, the two sets of anti-loosening mechanisms are symmetrically arranged on the left and right. The anti-loosening mechanism includes a drive limiting component and an anti-loosening component. The dry mixer housing and the anti-loosening component are both connected to the drive limiting component. The anti-loosening component is connected to the screw. The drive limiting component is used to limit the drive anti-loosening component. The anti-loosening component is used to prevent the screw from becoming loose.

[0018] Furthermore, the drive limiting assembly includes limiting rods and springs; the rear ends of multiple limiting rods are slidably connected to the dry mixer housing; the front ends of the limiting rods are connected to the anti-loosening assembly; the spring is sleeved on the outside of one limiting rod; the rear end of the spring is fixedly connected to the dry mixer housing, and the front end of the spring is connected to the anti-loosening assembly.

[0019] Compared with the prior art, the advantages of this utility model are as follows: 1. This utility model can realize the quick installation of the sealing ring through the convenient sealing ring installation mechanism, and when the sealing ring installation ring has a problem, only the damaged part can be replaced, thus reducing costs;

[0020] 2. This utility model can effectively prevent screws from loosening due to mechanical vibration through an anti-loosening mechanism, thereby preventing a deterioration of the seal. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This utility model provides a three-dimensional inlet sealing mechanism. Figure 1 ;

[0023] Figure 2 This is a front view of a feed inlet sealing mechanism according to the present invention;

[0024] Figure 3 For along Figure 2 A three-dimensional image after a portion has been removed along the AA direction;

[0025] Figure 4 This is a perspective view of the convenient installation mechanism for the sealing ring of this utility model;

[0026] Figure 5 This is a perspective view of the convenient installation mechanism for the sealing ring of this utility model after the pressure plate has been removed.

[0027] The labels in the diagram represent:

[0028] 1. Dry mixer housing; 2. Convenient sealing ring installation mechanism; 21. Main mounting assembly; 211. Fixing block; 212. Feed pipe clearance groove; 22. Convenient installation limit assembly; 221. Hinge shaft; 222. Groove one; 23. Convenient sealing ring installation assembly; 231. Moving block; 232. Protrusion; 24. Sealing ring assembly; 241. Rubber ring; 242. Groove two; 25. Sealing fastening assembly; 251. Pressure plate; 252. Screw; 3. Anti-loosening mechanism; 31. Drive limit assembly; 312. Limiting rod; 313. Spring; 32. Anti-loosening assembly; 321. Baffle; 322. Unlocking plate. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0030] The terms "left," "right," "front," "back," "up," and "down" used in the following description refer to the orientation from the perspective of the front view.

[0031] Example 1: In some embodiments, please refer to the accompanying drawings. Figures 1-5 A feed inlet sealing mechanism, comprising a dry mixer housing 1;

[0032] The dry mixer housing 1 is equipped with a convenient sealing ring installation mechanism 2 for convenient installation of the sealing ring;

[0033] The dry mixer housing 1 is equipped with an anti-loosening mechanism 3 to prevent the sealing effect from being reduced due to the loosening of the screws of the convenient installation mechanism 2 for the sealing ring;

[0034] The convenient installation mechanism 2 for the sealing ring includes a main installation component 21, a convenient installation limiting component 22, a convenient installation component 23 for the sealing ring, a sealing ring assembly 24, and a sealing fastening component 25. The dry mixer housing 1 and the convenient installation limiting component 22 are both connected to the main installation component 21. The convenient installation component 23 for the sealing ring is connected to the convenient installation limiting component 22. The sealing ring assembly 24 is connected to the convenient installation component 23. The anti-loosening mechanism 3, the main installation component 21, and the convenient installation component 23 for the sealing ring are all connected to the sealing fastening component 25. The main installation component 21 is used to fix the convenient installation limiting component 22, the convenient installation component 23, the sealing ring assembly 24, and the sealing fastening component 25. The convenient installation limiting component 22 is used to move the convenient installation component 23. The convenient installation component 23 is used to conveniently install the sealing ring assembly 24. The sealing ring assembly 24 is used to seal the dry mixer housing 1. The sealing fastening component 25 is used to press against the convenient installation component 23, the sealing ring assembly 24, and the main installation component 21 to ensure a sealing effect.

[0035] In this utility model, the operator can easily install the sealing ring assembly 24 by moving the sealing ring convenient installation assembly 23 through the convenient installation limiting assembly 22. If the sealing ring convenient installation assembly 23 is damaged, only the damaged part needs to be replaced, instead of replacing the entire sealing ring convenient installation assembly 23. After the sealing ring assembly 24 is installed, the sealing fastening assembly 25 is used to tighten the sealing ring assembly 24. The sealing ring convenient installation assembly 23 and the dry mixer housing 1 are connected, and the anti-loosening mechanism 3 limits the screws of the sealing fastening assembly 25 to prevent loosening due to mechanical vibration and affecting the sealing effect.

[0036] The main mounting component 21 includes a fixing block 211; the rear end of the fixing block 211 is fixedly connected to the dry mixer housing 1, and a feed pipe clearance groove 212 is provided in the middle of the fixing block 211; the convenient installation limiting component 22 and the sealing fastening component 25 are both connected to the fixing block 211.

[0037] The convenient installation limiting component 22 includes a hinge shaft 221; multiple hinge shafts 221 are arranged in a circumferential array on the inner side of the dry mixer housing 1, one end of the hinge shaft 221 is hinged to the inner side wall of the dry mixer housing 1; the other end of the hinge shaft 221 is connected to the convenient installation component 23 of the sealing ring; the convenient installation component 23 of the sealing ring is connected to the convenient installation component 23 of the sealing ring through a groove 222.

[0038] The convenient installation assembly 23 for the sealing ring includes a movable block 231 and a protrusion 232. The movable block 231 has a groove 222. Each hinge shaft 221 is hinged to the inner wall of the groove 222 on a movable block 231. The protrusion 232 is fixedly connected to the side of the movable block 231 near the feed inlet axis. The protrusion 232 is connected to the sealing ring assembly 24. The movable block 231 is connected to the sealing fastening assembly 25. After the hinge shaft 221 is rotated flat, the sides of the movable blocks 231 that are close to each other abut against each other.

[0039] The sealing ring assembly 24 includes a rubber ring 241, and a second groove 242 is provided on the outer side wall of the rubber ring 241; the rubber ring 241 is engaged with the protrusion 232 through the second groove 242.

[0040] The sealing and fastening assembly 25 includes a pressure plate 251 and a screw 252; the two pressure plates 251 are symmetrically arranged on the left and right; the ends of the two pressure plates 251 that are far apart from each other are respectively threaded to a screw 252, and the screw 252 is threaded to the fixing block 211; the end of the screw 252 that is far away from the pressure plate 251 is connected to the anti-loosening mechanism 3.

[0041] In this invention, the operator releases the contact between the moving blocks 231 via the hinge shaft 221 and moves the moving blocks 231 simultaneously. Then, the rubber ring 241 is placed at the axis of the feed pipe clearance groove 212, and the moving blocks 231 are moved one by one via the hinge shaft 221, causing the protrusions 232 to engage with the grooves 242 one by one. This facilitates the installation of the rubber ring 241. If the moving blocks 231 are damaged due to mechanical friction or other reasons, only the corresponding moving blocks 231 need to be replaced, saving production costs. After the rubber ring 241 is installed, the pressure plate 251 abuts against the front of the fixed block 211, the moving blocks 231, and the rubber ring 241. Then, the screw 252 is tightened, causing the screw 252 to be screwed into the pressure plate 251 and then into the fixed block 211, thus facilitating the fixing of the pressure plate 251.

[0042] Two sets of anti-loosening mechanisms are symmetrically arranged on the left and right sides;

[0043] The anti-loosening mechanism 3 includes a drive limiting component 31 and an anti-loosening component 32; both the dry mixer housing 1 and the anti-loosening component 32 are connected to the drive limiting component 31; the anti-loosening component 32 is connected to the screw 252; the drive limiting component 31 is used to limit the drive anti-loosening component 32; the anti-loosening component 32 is used to prevent the screw 252 from becoming loose.

[0044] The drive limiting component 31 includes a limiting rod 312 and a spring 313; the rear ends of multiple limiting rods 312 are slidably connected to the dry mixer housing 1; the front ends of the limiting rods 312 are connected to the anti-loosening component 32; the spring 313 is sleeved on the outside of one limiting rod 312; the rear end of the spring 313 is fixedly connected to the dry mixer housing 1, and the front end of the spring 313 is connected to the anti-loosening component 32.

[0045] The anti-loosening component 32 includes a baffle 321 and an unlocking plate 322; the limiting rod 312 and the spring 313 are both fixedly connected to the rear end of the baffle 321; the side of the baffle 321 near the axis of the feed pipe clearance groove 212 abuts against the nut of the screw 252; the end of the baffle 321 away from the screw 252 is fixedly connected to the unlocking plate 322.

[0046] In this utility model, when the operator needs to disassemble the pressure plate 251, he / she presses the unlocking plate 322 backward. The unlocking plate 322 drives the baffle 321 to move backward under the limit of the limiting rod 312. At this time, the baffle 321 releases its contact with the screw 252, and the operator can unscrew the screw 252 to remove the pressure plate 251. When the pressure plate 251 needs to be reinstalled, the operator presses the unlocking plate 322 backward, and then screws the screw 252 into the fixing block 211 through the pressure plate 251. Then the operator releases the unlocking plate 322. At this time, the baffle 321 moves forward under the driving force of the spring 313 returning to its original position, so that the baffle 321 contacts the screw 252. During the rotation of the dry mixer housing 1, the baffle 321 always contacts the screw 252 to prevent the screw 252 from loosening and causing the sealing effect to deteriorate.

[0047] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A feed port sealing mechanism comprising a dry blender housing (1), characterized in that: It also includes a convenient sealing ring installation mechanism (2) and an anti-loosening mechanism (3); The dry mixer housing (1) is equipped with a sealing ring convenient installation mechanism (2) for convenient installation of the sealing ring; The dry mixer housing (1) is equipped with an anti-loosening mechanism (3) to prevent the sealing effect from being reduced due to the loosening of the screws of the convenient installation mechanism (2) of the sealing ring; The sealing ring convenient installation mechanism (2) includes a main installation component (21), a convenient installation limiting component (22), a sealing ring convenient installation component (23), a sealing ring component (24), and a sealing fastening component (25); the dry mixer housing (1) and the convenient installation limiting component (22) are both connected to the main installation component (21); the sealing ring convenient installation component (23) is connected to the convenient installation limiting component (22); the sealing ring component (24) is connected to the sealing ring convenient installation component (23); the anti-loosening mechanism (3), the main installation component (21), and the sealing ring convenient installation component (23) are all connected to the sealing fastening component (25).

2. The feedwell seal mechanism of claim 1, wherein, The main mounting component (21) includes a fixing block (211); the rear end of the fixing block (211) is fixedly connected to the dry mixer housing (1), and a feed pipe clearance groove (212) is provided in the middle of the fixing block (211); the convenient installation limiting component (22) and the sealing fastening component (25) are both connected to the fixing block (211).

3. The feedwell seal mechanism of claim 2, wherein, The convenient installation limiting component (22) includes a hinge shaft (221); multiple hinge shafts (221) are arranged in a circumferential array on the inner side of the dry mixer housing (1), one end of the hinge shaft (221) is hinged to the inner side wall of the dry mixer housing (1); the other end of the hinge shaft (221) is connected to the convenient installation component (23) of the sealing ring; the convenient installation component (23) of the sealing ring is connected to the convenient installation component (23) of the sealing ring through a groove (222).

4. The feedwell seal mechanism of claim 3, wherein, The sealing ring easy installation assembly (23) includes a movable block (231) and a protrusion (232). The movable block (231) has a groove (222). Each hinge shaft (221) is hinged to the inner wall of the groove (222) on a movable block (231). The protrusion (232) is fixedly connected to the side of the movable block (231) near the feed port axis. The protrusion (232) is connected to the sealing ring assembly (24). The movable block (231) is connected to the sealing fastening assembly (25). After the hinge shaft (221) rotates, the sides of the movable blocks (231) that are close to each other abut against each other.

5. The feedwell seal mechanism of claim 4, wherein, The sealing ring assembly (24) includes a rubber ring (241), and a groove (242) is provided on the outer side wall of the rubber ring (241); the rubber ring (241) is engaged with the protrusion (232) through the groove (242).

6. The feedwell seal mechanism of claim 5, wherein, The sealing and fastening assembly (25) includes a pressure plate (251) and a screw (252); the two pressure plates (251) are arranged symmetrically on the left and right; the ends of the two pressure plates (251) that are far apart from each other are respectively threaded to a screw (252), and the screw (252) is threaded to a fixing block (211); the end of the screw (252) that is far away from the pressure plate (251) is connected to the anti-loosening mechanism (3).

7. The feedwell seal mechanism of claim 6, wherein, The two sets of anti-loosening mechanisms (3) are symmetrically arranged on the left and right. The anti-loosening mechanism (3) includes a drive limiting component (31) and an anti-loosening component (32). The dry mixer housing (1) and the anti-loosening component (32) are both connected to the drive limiting component (31). The anti-loosening component (32) is connected to the screw (252). The drive limiting component (31) is used to limit the drive anti-loosening component (32). The anti-loosening component (32) is used to prevent the screw (252) from loosening.

8. The feedwell seal mechanism of claim 7, wherein, The drive limiting component (31) includes a limiting rod (312) and a spring (313); the rear ends of multiple limiting rods (312) are slidably connected to the dry mixer housing (1); the front ends of the limiting rods (312) are connected to the anti-loosening component (32); the spring (313) is sleeved on the outside of a limiting rod (312); the rear end of the spring (313) is fixedly connected to the dry mixer housing (1), and the front end of the spring (313) is connected to the anti-loosening component (32).

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