CN212672437U - Gate sealing device of replacement chamber - Google Patents

Abstract

The utility model discloses a gate sealing device of a replacement room, which is matched with a gate plate and used for pressing the gate plate on a sealing surface of the replacement room; characterized in that, the gate sealing device includes: the gate plate comprises a straight rod-shaped shaft sleeve and a straight rod-shaped shaft core, wherein the shaft sleeve and the shaft core are sleeved together and driven by different power sources to rotate mutually, and pinch rollers for compressing the gate plate are respectively arranged on the shaft sleeve and the shaft core. During actual work, the shaft sleeve and the shaft core rotate relatively, and the gate plate is pressed tightly on the sealing surface of the replacement chamber through the pressing wheel; in the structure, the size of the pinch roller of each pinch roller is determined by the power source in a unified way, the stress of each point is uniform, the pressure of the pinch roller to the gate plate does not need to be adjusted manually, and the sealing effect is good. Simultaneously, the both ends rotatable the installing on the replacement room of axle sleeve, constitute integral type structure with the replacement room, simple structure, installation convenient to use.

Description

Gate sealing device of replacement chamber

Technical Field

The utility model relates to a roller kilns technical field especially relates to a roller kilns replacement room's gate sealing device.

Background

With the development of lithium battery technology towards high nickel and high energy, the battery material needs purer gas for protection or participation in reaction during sintering. In the process of continuously feeding and discharging materials in and out of the electric heating roller kiln, air needs to be replaced by protective gas needed by sintering materials, so that a gate sealing system of a replacement chamber is particularly important.

In the prior art, a gate sealing structure of a replacement chamber mainly comprises a connecting rod plane mechanism and a cylinder telescopic mechanism. When the cylinder extends out, the gate descends due to the dead weight and is far away from the sealing surface; when the cylinder retracts, the gate rises to be close to the sealing surface and rises to a certain height to stop, and at the moment, the gate is tightly attached to the sealing surface under the action of the connecting rod plane mechanism, so that the sealing effect is achieved. However, the key part of the gate sealing structure is formed by welding the lifting frame, and deformation and distortion are generated in the welding process; the straightening is carried out in a cold working mode, the stress is not released, and the steel plate can be deformed again in the using process. The gate plate has the effort to the crane in the sealed in-process of gate, and the crane both ends have adjustable restraint, and the intermediate position is unsettled, can produce bow-shaped deformation. In this structure, the roughness of each part, straightness accuracy, depth of parallelism are very important, need the whole atress of each part even, and any deformation can all influence sealed effect, causes the gas replacement thoroughly, seriously influences the quality of product, causes great loss for the customer.

Disclosure of Invention

To the problem that exists among the prior art, the utility model aims to provide a sealing device that sealed effectual, and be convenient for and replacement room integral type processing.

In order to achieve the above purpose, the utility model adopts the following technical scheme.

A gate sealing device of a replacement room is matched with a gate plate and used for pressing the gate plate on a sealing surface of the replacement room; characterized in that, the gate sealing device includes: the gate plate comprises a straight rod-shaped shaft sleeve and a straight rod-shaped shaft core, wherein the shaft sleeve and the shaft core are sleeved together and driven by different power sources to rotate mutually, and pinch rollers for compressing the gate plate are respectively arranged on the shaft sleeve and the shaft core.

More preferably, both ends of the shaft sleeve are rotatably mounted on the replacement chamber through corresponding bearing seats to form an integrated structure with the replacement chamber.

More preferably, a self-aligning bearing is arranged in the bearing seat, and the shaft sleeve is arranged in the self-aligning bearing in a penetrating manner.

More preferably, an oil seal is provided between the shaft sleeve and the bearing seat, and an O-ring is provided between the shaft core and the shaft sleeve.

More preferably, a plurality of riding wheel sets are arranged corresponding to the shaft sleeves; the riding wheel set comprises a bracket with a groove and a plurality of riding wheels arranged in the groove; the shaft sleeve is embedded in the groove and supported by the riding wheel.

More preferably, an opening is formed in a side wall of the shaft sleeve, a shaft core pinch roller force arm penetrating out of the opening is fixed on the shaft core, and the shaft core pinch roller force arm is used for installing the pinch roller connected with the shaft core and rotating within a limited range of the opening.

More preferably, a shaft sleeve pressure wheel arm is fixed on the shaft sleeve and used for installing the pressure wheel connected with the shaft sleeve.

More preferably, the power source is a cylinder or a motor, and a shaft sleeve swing arm and a shaft core swing arm connected with the power source are respectively arranged on the shaft sleeve and the shaft core.

More preferably, the gate sealing device comprises two shaft sleeves which are arranged in parallel and have the same specification, a corresponding shaft core is arranged in each shaft sleeve, and the power source is a cylinder; the end parts of the two shaft sleeves are connected to the same first cylinder, and the end parts of the two shaft cores are connected to the same second cylinder.

More preferably, the shaft sleeve is formed by splicing two pipes, a shaft core is arranged in each pipe, and the two shaft cores rotate independently.

The utility model has the advantages that:

firstly, a shaft sleeve and a shaft core which rotate mutually are arranged, and pressing wheels are respectively arranged on the shaft sleeve and the shaft core; during actual work, the shaft sleeve and the shaft core rotate relatively, and the gate plate is pressed tightly on the sealing surface of the replacement chamber through the pressing wheel; in the structure, the size of the pinch roller of each pinch roller is determined by the power source in a unified way, the stress of each point is uniform, the pressure of the pinch roller to the gate plate does not need to be adjusted manually, and the sealing effect is good. Simultaneously, the both ends rotatable the installing on the replacement room of axle sleeve, constitute integral type structure with the replacement room, simple structure, installation convenient to use.

And two ends of the shaft sleeve rotate by adopting self-aligning bearings, so that the use requirement is met, and the coaxiality requirement of the two ends of the shaft sleeve is reduced.

And thirdly, the bearing roller set is arranged, so that deformation of the shaft sleeve and the shaft core during stress is effectively prevented, and the sealing performance is ensured.

And fourthly, by adopting the structure of two sets of shaft sleeves and shaft cores, and sharing one air cylinder on the same side of the two shaft sleeves and the two shaft cores, the structure is economical and can ensure the consistency of the up-down action.

Drawings

Fig. 1 is a schematic structural view of a gate sealing device according to the present invention.

Fig. 2 shows a partial cross-sectional view of fig. 1.

Fig. 3 is an assembly view of the shaft sleeve and the shaft core.

Figure 4 is a schematic view of the installation of the arm of the axial puck.

Description of reference numerals:

1: shaft sleeve, 2: shaft core, 3: pinch roller, 4: riding wheel set, 5: bearing seat, 6: axle center swing arm, 7: a cylinder, 8: axle sleeve swing arm, 9: gate plate, 10: oil seal, 11: self-aligning bearing, 12: o-ring, 13: riding wheel, 14: gate seal ring, 15: shaft sleeve pinch roller arm of force, 16: the axle core pinch roller arm of force.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "at least" means one or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.

The following description will be further made in conjunction with the accompanying drawings of the specification, so that the technical solution and the advantages of the present invention are clearer and clearer. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.

As shown in fig. 1-4, a gate seal for a replacement room, which cooperates with a gate plate 9 for pressing the gate plate 9 against a sealing surface of the replacement room; in order to ensure the sealing effect, a caulking groove is also formed on the gate plate 9, and a gate sealing ring 14 matched with the sealing surface is arranged in the caulking groove. In this embodiment, the caulking groove is preferably a dovetail groove, and the gate sealing ring 14 is preferably an O-shaped silicone ring. Of course, in other embodiments, the O-ring silicone rubber ring may be replaced or omitted by a rubber ring of other shape, as long as the sealing effect is achieved, and the O-ring silicone rubber ring is not limited to the embodiment.

Wherein, the gate sealing device includes: the gate plate comprises a straight rod-shaped shaft sleeve 1 and a straight rod-shaped shaft core 2, wherein the shaft sleeve 1 and the shaft core 2 are sleeved together and driven by different power sources to rotate mutually, and pinch rollers 3 used for compressing the gate plate 3 are respectively arranged on the shaft sleeve 1 and the shaft core 2. Thus, when the shaft sleeve 1 and the shaft core 2 rotate relatively, the gate plate 9 can be pressed on the sealing surface of the replacement chamber through the pinch roller 3; the size of the pinch roller of each pinch roller 3 is determined by a power source in a unified way, all points are stressed uniformly, the pressure of the pinch roller to the gate plate does not need to be adjusted manually, and the sealing effect is good. Meanwhile, two ends of the shaft sleeve can be rotatably arranged on the replacement chamber through corresponding bearing seats 5 and form an integrated structure with the replacement chamber, and the structure is simple and convenient to install and use.

In this embodiment, a self-aligning bearing 11 is preferably provided in the bearing housing 5, and the shaft sleeve 1 is preferably inserted into the self-aligning bearing 11. The advantage of using the self-aligning bearing 11 here is that both the use requirements are guaranteed and the requirement for the coaxiality of the two ends of the shaft sleeve is reduced.

Preferably, an oil seal 10 is arranged between the shaft sleeve 1 and the bearing seat 5, and an O-ring 12 is arranged between the shaft core 2 and the shaft sleeve 1. Therefore, the sealing performance is ensured, and the smooth rotation of the shaft sleeve 1 and the shaft core is ensured.

Furthermore, a plurality of riding wheel groups 4 are arranged corresponding to the shaft sleeve 1; the riding wheel set 4 comprises a bracket with a groove and a plurality of riding wheels 13 arranged in the groove; the shaft sleeve 1 is embedded in the groove and supported by the riding wheel 13. The purpose of the idler pulley group 4 is to ensure that the sleeve 1 is not deformed when stressed, and therefore, proper equivalent changes of the structure of the idler pulley group, such as the change of a roller into a sliding support, and the like, still belong to the protection scope of the patent.

In this embodiment, the specific assembly structure of the shaft sleeve 1 and the shaft core 2 is as follows: an opening is formed in the side wall of the shaft sleeve 1, a shaft core pinch roller force arm 16 penetrating out of the opening is fixed on the shaft core 2, and the shaft core pinch roller force arm 16 is used for being connected with the shaft core 2 and the pinch roller 3 and rotating within the limited range of the opening. A shaft sleeve pinch roller force arm 15 is fixed on the shaft sleeve 1 so as to be convenient for installing a pinch roller 3 connected with the shaft sleeve 1.

In this embodiment, it is preferable that the gate sealing device includes two shaft sleeves 1 arranged in parallel and having the same specification, a corresponding shaft core 2 is arranged in each of the shaft sleeves 1, and the power source is preferably a cylinder 7; the end parts of the two shaft sleeves 1 are connected to the same first cylinder, and the end parts of the two shaft cores 2 are connected to the same second cylinder. Therefore, the two shaft sleeves are economical and can be ensured to act consistently with the two shaft cores. In another embodiment, the power source is a motor, and the two shaft sleeves and the two shaft cores are driven by different motors, respectively, which is not limited to this embodiment.

Preferably, the shaft sleeve 1 is formed by splicing two pipes, a bearing is arranged in the spliced pipe, a shaft core 2 is arranged in each pipe, and the two shaft cores 2 rotate independently. Thus, the pressing wheel 3 can be applied with larger force by the power source, and different pressures can be generated at different positions of the gate plate 9 according to requirements.

Further, in order to facilitate the connection between the shaft sleeve and the shaft core and the power source, it is preferable that a shaft sleeve swing arm 8 and a shaft core swing arm 6 connected to the power source are respectively provided on the shaft sleeve 1 and the shaft core 2.

The gate sealing device that this embodiment provided sets up the pinch roller respectively on axle sleeve and the axle core, utilizes the pinch roller to compress tightly the gate board and makes the O shape silica gel circle in the dovetail warp to realize the sealed of replacement room, it is sealed effectual. Simultaneously, axle sleeve and axle core can independently rotate, compress tightly the gate board alone, and the depth of parallelism of gate board and fixed plate need not guaranteed to this structure, need not the pressure size of manual regulation pinch roller to gate board, and the pressure size is decided by power is unified to guarantee that the pinch roller is the same to the pressure size of gate board, further ensure sealed effect. In addition, the roller group is arranged, so that the roller shaft is not deformed when stressed. Compared with the prior art, the structure has simple manufacturing process, does not need manual adjustment, can be made into an integrated replacement chamber, and has low cost and high air tightness compared with a sectional flange connection type replacement chamber.

It will be understood by those skilled in the art from the foregoing description of the structure and principles that the present invention is not limited to the specific embodiments described above, and that modifications and substitutions based on the known art are intended to fall within the scope of the invention, which is defined by the claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.

Claims (10)

1. A gate sealing device of a replacement room is matched with a gate plate and used for pressing the gate plate on a sealing surface of the replacement room; characterized in that, the gate sealing device includes: the gate plate comprises a straight rod-shaped shaft sleeve and a straight rod-shaped shaft core, wherein the shaft sleeve and the shaft core are sleeved together and driven by different power sources to rotate mutually, and pinch rollers for compressing the gate plate are respectively arranged on the shaft sleeve and the shaft core.

2. The gate sealing device of a replacement room of claim 1, wherein the two ends of the bushing are rotatably mounted on the replacement room through corresponding bearing seats to form an integral structure with the replacement room.

3. The gate sealing device of a replacement room of claim 2, wherein a self-aligning bearing is disposed in the bearing seat, and the shaft sleeve is inserted into the self-aligning bearing.

4. The gate sealing device of a replacement room of claim 2, wherein an oil seal is provided between said shaft sleeve and said bearing seat, and an O-ring is provided between said shaft core and said shaft sleeve.

5. The gate sealing device of a replacement room of claim 1, wherein a plurality of riding wheel sets are provided corresponding to said shaft sleeve; the riding wheel set comprises a bracket with a groove and a plurality of riding wheels arranged in the groove; the shaft sleeve is embedded in the groove and supported by the riding wheel.

6. The gate sealing device of a replacement room as claimed in claim 1, wherein an opening is formed in a sidewall of the bushing, and a spindle pinch roller arm extending out of the opening is fixed to the spindle, and the spindle pinch roller arm is used for mounting the pinch roller connected to the spindle and rotating within a limited range of the opening.

7. The gate sealing device of a replacement room of claim 1, wherein a bushing pinch roller arm is fixed on the bushing, and the bushing pinch roller arm is used for mounting the pinch roller connected with the bushing.

8. The gate sealing device of a replacement room as claimed in claim 1, wherein the power source is a cylinder or a motor, and a shaft sleeve swing arm and a shaft core swing arm connected to the power source are respectively disposed on the shaft sleeve and the shaft core.

9. The gate sealing device of a replacement room of claim 1, comprising two shaft sleeves with the same specification and arranged in parallel, wherein a corresponding shaft core is arranged in each shaft sleeve, and the power source is a cylinder; the end parts of the two shaft sleeves are connected to the same first cylinder, and the end parts of the two shaft cores are connected to the same second cylinder.

10. The gate seal assembly of a replacement room of claim 1 wherein said bushing is formed by splicing two tubes, each of said tubes having a core, said cores being independently rotatable.

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