CN219860483U

CN219860483U - Processing equipment

Info

Publication number: CN219860483U
Application number: CN202321001589.8U
Authority: CN
Inventors: 施述鹏; 严大
Original assignee: Jiangsu Leadmicro Nano Technology Co Ltd
Current assignee: Jiangsu Leadmicro Nano Technology Co Ltd
Priority date: 2023-04-27
Filing date: 2023-04-27
Publication date: 2023-10-20
Anticipated expiration: 2033-04-27

Abstract

The utility model relates to a processing device, which comprises a shell, a carrier and a gland device, wherein the carrier is arranged in an inner cavity of the shell; the carrier comprises a body part and an upper cover, wherein one side of the body part is of an open structure, the upper cover is covered on the open structure, the gland device is arranged on the shell and can press the upper cover, and the upper cover is attached to the body part. The upper cover is not completely covered on the body part by self gravity, and the tightness between the upper cover and the body part can be ensured by combining the driving action of the gland device.

Description

Processing equipment

Technical Field

The utility model relates to the technical field of mechanical equipment, in particular to processing equipment.

Background

In the case of a treatment apparatus involving a gas, it is common to include a main body portion and an upper cover which is capable of covering an opening side of the main body portion by its own weight, thereby realizing a sealing effect from the opening side.

If the body part is smaller in size, the deformation of the body part and the upper cover can be controlled, and a good sealing effect can be achieved. However, if the body portion is large in size, the deformation of the body portion and the upper cover may be large, and at this time, the upper cover is difficult to be well covered with the body portion by self gravity, which affects the sealing effect.

Therefore, how to ensure the covering action between the upper cover and the body part of the processing apparatus and ensure the sealing effect between the upper cover and the body part is a technical problem that needs to be solved by those skilled in the art.

Disclosure of Invention

The utility model aims to provide a processing device, which can ensure the covering action between an upper cover and a body part and ensure the sealing effect between the upper cover and the body part.

In order to solve the technical problems, the utility model provides a processing device, which comprises a carrier and a gland device; the carrier comprises a body part and an upper cover, wherein one side of the body part is of an open structure, the upper cover is covered on the open structure, and the capping device can press the upper cover to enable the upper cover to be attached to the body part.

The gland device can press the upper cover, so that the upper cover approaches to one side of the body part, and the upper cover can be attached to the upper end face of the body part, and the matching tightness between the upper cover and the body part is ensured. That is, in this processing apparatus, the upper lid of the carrier is not completely covered by the self-weight force on the body, and the sealing performance of the upper lid can be ensured by combining the driving action of the capping device. The problem that the upper cover cannot be completely attached to the body part due to deformation of the body part, so that air leakage exists in a gap between the body part and the upper cover is avoided, and uniform and stable flow field in the carrier is ensured.

Optionally, the device further comprises a shell, wherein the carrier is arranged in an inner cavity of the shell; the gland device is arranged on the shell and can press the upper cover to enable the upper cover to be attached to the body.

Optionally, the gland device includes driving piece, push rod and installation department, the installation department with the casing is fixed and be equipped with the mounting hole, the top of push rod with the driving piece is connected, the bottom of push rod can pass the mounting hole and locate the through-hole of casing and with the upper cover butt, the push rod can promote under the effect of driving piece the upper cover.

Optionally, the abutting position of the bottom end of the push rod and the upper cover is located right above the side plate of the body part.

Optionally, the gland device further includes a first seal member and a second seal member, the first seal member is disposed along a circumference of the mounting hole and is sandwiched between an inner wall of the mounting hole and an outer wall of the push rod, and the second seal member is disposed along a circumference of the through hole and is sandwiched between the mounting portion and the housing.

Optionally, an inner wall of the mounting hole is provided with a mounting groove along a circumferential direction, and the first sealing element is arranged in the mounting groove.

Optionally, the upper end surface of the mounting part is also provided with a counter bore, and the counter bore is coaxial with and communicated with the mounting hole; the gland device further comprises a pressing plate, the pressing plate is arranged above the mounting part, the lower end face of the pressing plate extends downwards along the circumferential direction of the push rod to form an annular bulge, the annular bulge is inserted into the counter bore and surrounds the mounting groove with the bottom of the counter bore, and the annular bulge can extrude the first sealing element to enable the first sealing element to protrude inwards along the radial direction and be attached to the outer wall surface of the push rod.

Optionally, a partition is further interposed between the annular protrusion and the first seal member.

Optionally, the gland device further comprises a cooling part, and the cooling part is arranged on the mounting part and is used for cooling the first sealing piece and the second sealing piece.

Optionally, the capping device further includes a flexible scraper, the flexible scraper is fixed with the lower end surface of the mounting portion and is arranged along the circumferential direction of the push rod, and the flexible scraper is used for scraping off powder attached to the outer wall surface of the push rod.

Optionally, the flexible wiper is located within an annular space defined by the second seal, and the thickness of the flexible wiper is less than the thickness of the second seal.

Optionally, still be equipped with connecting piece and guiding part between the driving piece with the push rod, the both ends of connecting piece respectively with the driving piece reaches the push rod articulates and is connected, guiding part including set firmly in the guide arm of installation department, the guide arm is followed the axial arrangement of mounting hole, the driving piece can pass through the connecting piece drive the push rod is followed the length direction of guide arm removes.

Optionally, the guide part includes a connection plate and at least two guide rods, the connection plate is fixed with the push rod, the connection plate is provided with guide holes corresponding to the guide rods one by one, and the guide rods respectively pass through the corresponding guide holes and can move along the axial direction of the guide holes.

Optionally, a pressing block is further arranged at the bottom end of the push rod, and the pressing block is used for being abutted to the upper cover.

Optionally, the number of the capping devices is at least two, and the capping devices are arranged along the circumferential direction of the upper cover.

Optionally, the shell is further provided with a connecting part extending outwards along the circumference of the through hole, the end part of the connecting part is further provided with a connecting flange, and the mounting part and the connecting flange are fixed through a fastener.

Optionally, the device further comprises an abutting part arranged in the shell, and one side end, away from the upper cover, of the body part abuts against the abutting part.

Optionally, a first positioning structure is arranged at the top of the body part, a second positioning structure is arranged on the upper cover, and the upper cover is matched with the body part in a positioning way through the first positioning structure and the second positioning structure.

Drawings

FIG. 1 is a schematic diagram of a processing apparatus according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of the capping device of FIG. 1;

FIG. 3 is a schematic view of the structure of the treatment apparatus including the abutment;

FIG. 4 is a flow chart of a method of using a processing device provided by an embodiment of the present utility model;

fig. 5 is a detailed flow diagram of a method of use of a processing device.

In fig. 1 to 5, reference numerals are explained as follows:

100-carrier; 200-a shell, 210-a cavity, 220-a connection; 300-an abutment;

1-a body portion;

2-an upper cover;

3-gland device, 31-driving piece, 32-push rod, 33-mounting part, 331-pressing plate, 332-annular bulge, 333-baffle, 34-first sealing piece, 35-second sealing piece, 36-flexible scraping plate, 37-connecting piece, 38-guiding part, 381-guide rod, 382-connecting plate, 383-supporting plate and 39-pressing block.

Detailed Description

In order to make the technical solution of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings and specific embodiments.

The embodiment of the utility model provides a processing device, which refers to a device with gas participation, as shown in fig. 1, the processing device comprises a carrier 100 and a shell 200, the carrier 100 is arranged in an inner cavity of the shell 200, the carrier 100 comprises an upper cover 2 and a body part 1, wherein two opposite ends of the body part 1 are respectively provided with an opening, one end of the body part is provided with an air inlet, the other end of the body part is provided with an air outlet, the upper cover 2 can be covered above the body part 1 and forms an air flow channel in the inner periphery of the body part 1, and the air inlet, the air flow channel and the air outlet are sequentially communicated. The reaction gas can be introduced from the gas inlet and flows along the gas flow channel, and finally flows out from the gas outlet.

As shown in fig. 1, the processing apparatus provided in this embodiment further includes a capping device 3, where the capping device 3 is disposed on the housing 200 and is capable of pressing the upper cover 2, so that the upper cover 2 approaches one side of the body 1, and the upper cover 2 can be attached to an upper end surface of the body 1, so as to ensure the sealing performance of the two. That is, in the processing apparatus provided in the present embodiment, the upper lid 2 of the carrier 100 is not completely covered on the body portion 1 by its own weight, and the sealing performance of the upper lid 2 can be ensured by combining the driving action of the capping device 3. Avoid because the deformation of body portion 1 leads to upper cover 2 unable and body portion 1 laminating completely for there is the problem of gas leakage in the gap between body portion 1 and upper cover 2, and then ensures that the interior flow field of carrier 100 is even stable.

In this context, the top of the body 1 is provided with an open structure, the upper cover 2 is located above the body 1, and seals the open structure, the body 1 is located below the upper cover 2, and the upper and lower directions referred to hereinafter are also based on this positional relationship, which is, of course, introduced by terms of "upper" and "lower" directions, only for convenience in description and understanding of the technical scheme, and do not constitute a limitation on the protection scope.

Specifically, during use, the placement angle of the carrier 100 in the cavity 210 of the housing 200 can be adjusted according to practical situations, as shown in fig. 1, the top of the carrier 100 is placed upwards, as shown in fig. 3, the top of the carrier 100 is placed towards the side wall of the housing 200, and at this time, the carrier 100 is placed upside down.

Specifically, as shown in fig. 2, the capping device 3 includes a driving member 31, a push rod 32 and a mounting portion 33, wherein the mounting portion 33 is fixed with the housing 200 and is provided with a mounting hole, the housing 200 is provided with a through hole, one end of the push rod 32 is connected with the driving member 31, the other end of the push rod 32 can pass through the mounting hole and the through hole and is abutted to the upper cover 2, and the push rod 32 can push the upper cover 2 under the driving action of the driving member 31, so that the lower end face of the upper cover 2 can be attached to the upper end face of the body portion 1, and the tightness is ensured.

That is, the driving member 31 and the mounting portion 33 of the capping device 3 are both disposed outside the housing 200, and only the push rod 32 of the capping device 3 passes through the through hole of the housing 200 and enters the inner cavity 210 of the housing 200 by the driving member 31 to perform the crimping action on the upper cap 2. By the arrangement, the whole structure is simple, the gland device 3 is convenient to arrange, and the requirement on the installation space is reduced.

In this embodiment, the driving member 31 may be any one of a cylinder, a hydraulic cylinder, and a motor screw assembly.

The bottom end of the push rod 32 abuts against the upper cover 2, and presses the upper cover 2 to attach the upper cover 2 to the body portion 1, specifically, the position where the bottom end of the push rod 32 abuts against the upper cover 2 is located opposite to the end face of the body portion 1 facing the upper cover 2. So set up, the effort between the bottom of push rod 32 and upper cover 2 can directly transmit to the curb plate, provides the support to upper cover 2 through the curb plate, avoids because the pressure effort of capping device 3 is great, leads to upper cover 2 to take place the condition of deformation.

Since the housing 200 is provided with a through hole through which the push rod 32 passes and is axially movable within the through hole, sealing is required at the through hole. In this embodiment, the capping device 3 further includes a first seal 34 and a second seal 35, where the first seal 34 is disposed along a circumferential direction of the mounting hole and is sandwiched between an inner wall of the mounting hole and an outer wall of the push rod 32, the push rod 32 is capable of moving in the mounting hole in an axial direction, the first seal 34 is capable of ensuring sliding tightness between the push rod 32 and the inner wall of the mounting hole during moving, and the second seal 35 is disposed along a circumferential direction of the through hole and is sandwiched between a lower end surface of the mounting portion 33 and an end surface of the housing 200 to achieve sealing between the mounting portion 33 and the end surface of the housing 200.

By providing the first seal 34 and the second seal 35, it is possible to ensure tightness of the installation position when the capping device 3 is installed at the through hole of the housing 200, so that the inside of the cavity 210 is isolated from the outside atmosphere.

The specific structure of the first seal 34 and the second seal 35 is not limited, and for example, the seals may be provided as a sealing strip, or the seals may be provided as gaskets, or one seal may be provided as a sealing strip, and the other seal may be provided as a gasket.

The inner wall of mounting hole is equipped with the mounting groove along circumference, and first sealing member 34 is located in this mounting groove, so sets up, can guarantee this first sealing member 34 along the stability of axial position in the mounting hole, avoids taking place push rod 31 at the in-process along axial displacement for installation department 33, can drive first sealing member 34 for first sealing member 34 moves along axial displacement's condition.

Further, the mounting groove extends to the end face of the mounting portion 33, that is, the upper end face of the mounting portion 33 is further provided with a counter bore, the counter bore is coaxially communicated with the mounting hole, the capping device 3 further comprises a pressing plate 331, the pressing plate 331 is arranged above the mounting portion 33, the lower end face of the pressing plate 331 is provided with an annular protrusion 332 extending downwards along the circumferential direction of the push rod 32, the annular protrusion 332 can be inserted into the counter bore and forms the mounting groove with the hole bottom of the counter bore in a surrounding manner, that is, the first sealing element 34 is clamped between the annular protrusion 332 and the hole bottom of the counter bore.

In mounting, the first seal 34 is placed at the bottom of the counterbore, and then the pressing plate 331 is mounted such that the annular protrusion 332 is located in the counterbore and presses the first seal 34 from the upper side of the first seal 34, so that the first seal 34 is pressed in the axial direction and protrudes inward in the radial direction, and the protruding portion is fitted to the outer wall surface of the push rod 32 to secure the sealing property.

When the mounting groove is formed through the arrangement of the counter bore and the annular protrusion 332, the mounting operation of the first sealing element 34 can be facilitated, the annular protrusion 332 presses the first sealing element 34 tightly, the first sealing element 34 can be ensured to be extruded in the axial direction and protrude inwards in the radial direction, the processing requirement of the mounting groove is reduced, the mounting groove can be suitable for the first sealing elements 34 with different thicknesses, the first sealing element 34 can be ensured to be extruded and deformed, and the flexibility is good.

Further, a partition 333 is interposed between the annular protrusion 332 and the first seal 34, and it will be understood that the partition 333 has an annular structure. The annular protrusion 332 presses down the diaphragm 333, and the first seal 34 is pressed by the diaphragm 333, and the diaphragm 333 is provided to provide protection for the first seal 34.

In this embodiment, how the position of the pressing plate 331 is fixed in the installation state, so that the annular protrusion can keep the extrusion state of the first sealing element without limitation, for example, the outer peripheral wall of the annular protrusion is provided with external threads, the inner peripheral wall of the counter bore is provided with internal threads, and the position of the pressing plate 331 is fixed through the matching of the external threads and the internal threads, or the position of the pressing plate 331 can be fixed through the fastening piece.

In order to facilitate the installation of the second seal 35, a seal groove for installing the second seal 35 is further provided at the lower end surface of the installation portion 33.

The capping device 3 further includes a cooling portion (not shown in the drawings) provided to the mounting portion 33 and configured to cool the first seal 34 and the second seal 35. Specifically, in the present embodiment, the specific structure of the cooling portion is not limited, and for example, the cooling portion may be configured as a water-cooled tube, the water-cooled tube may be disposed at a position where the mounting portion 33 is close to the first seal 34 and the second seal 35, or the cooling portion may be configured to include a cooling device composed of a PTC (Positive Temperature Coefficient ) refrigerant sheet, which is attached to a position where the mounting portion 33 is close to the first seal 34 and the second seal 35.

The push rod 32 moves axially under the driving action of the driving member 31 and repeatedly goes into and out of the cavity 210 through the through hole, powder may be attached to the outer wall surface of the push rod 32 located in the cavity 210, when the push rod 32 moves to a side far away from the upper cover 2, the powder is easily carried out of the cavity 210, in order to avoid the powder carried out by the push rod 32 from entering the mounting hole and affecting the sealing between the first sealing member 34 and the push rod 32, in this embodiment, as shown in fig. 2, the capping device 3 further includes a flexible scraper 36, the flexible scraper 36 is fixed to the lower end surface of the mounting portion 33, and the flexible scraper 36 is arranged along the circumferential direction of the push rod 32, and the flexible scraper 36 is used for scraping the powder on the outer wall surface of the push rod 32, so that the powder cannot be carried out in the process of moving to the side far away from the cavity 210, and further avoiding the influence of the powder on the sealing performance of the first sealing member 34.

It will be appreciated that the flexible scraper 36 is of an annular configuration which is sleeved outside the pushrod 32 with a small gap between the inner ring of the annular configuration and the outer wall of the pushrod 32, and that the flexible scraper 36 is capable of scraping off powder adhering to the outer wall of the pushrod 32 as the pushrod 32 moves outwardly relative to the flexible scraper 36. The flexible scraper 36 has a certain flexibility, and can be made of plastic or other materials, so that the damage to the push rod 32 can be avoided when the powder attached to the outer wall of the push rod 32 acts.

Since the flexible scraper 36 is disposed on the lower end surface of the mounting portion 33, in order to avoid the influence of the flexible scraper 36 on the sealing performance of the second seal member 35, in this embodiment, the flexible scraper 36 is disposed in an annular space surrounded by the second seal member 35, and the thickness of the flexible scraper 36 is smaller than the thickness of the second seal member 35, specifically, the thickness of the second seal member 35 after being pressed between the mounting portion 33 and the housing 200.

In the mounted state, the second sealing member 35 is sandwiched between the end face of the mounting portion 33 and the end face of the housing 200, the second sealing member 35 is in a compressed state to ensure sealing property, the flexible scraper 36 is located in the annular space, and the thickness of the flexible scraper 36 is smaller than that of the second sealing member 35, and the end face of the side of the flexible scraper 36 away from the mounting portion 33 is not in contact with the housing 200, so that the sealing performance of the second sealing member 35 is not affected.

Of course, in this embodiment, an installation counterbore may be further provided on the lower end surface of the installation portion 33, and the flexible scraper 36 may be located in the installation counterbore, so as to avoid affecting the sealing performance of the second sealing member 35.

The flexible scraper 36 can be fixed to the mounting portion 33 by a fastener, so that the flexible scraper 36 can be easily disassembled and assembled, and can be easily cleaned or replaced after long-term use.

As shown in fig. 2, the capping device 3 further comprises a connecting member 37 and a guiding portion 38, wherein the top end of the connecting member 37 is hinged to the driving member 31, the bottom end of the connecting member 37 is hinged to the top end of the push rod 32, and the connecting member 37 can be specifically selected as a floating joint. The guide part 38 includes a guide rod 381, and an axis of the guide rod 381 is parallel to an axis of the mounting hole, that is, an axis of the guide rod 381 is parallel to an axis of the through hole, and the guide rod 381 is fixed to the mounting part 33, specifically, as shown in fig. 2, a bottom of the guide rod 381 is fixed to the pressing plate 331. The driving member 31 can drive the push rod 32 to move through the connecting member 37, and the push rod 32 can move along the length direction of the guide rod 381, so that the push rod 32 is prevented from being jammed due to inclination during the moving process.

Of course, in the present embodiment, the driving member 31 may be directly connected to the push rod 32, so that the driving member 31 can directly drive the push rod 32 to move along the axis of the through hole, and the arrangement of the connecting member 37 can reduce the installation accuracy of the driving member 31, even if the driving direction of the driving member 31 is not collinear with the axis of the push rod 32, the arrangement of the connecting member 37 and the guiding portion 38 can realize the movement of the push rod 32 along the axis of the installation hole.

Further, the guide portion 38 further includes a connecting plate 382, and the guide portion 38 includes at least two guide rods 381, the connecting plate 382 is fixed on the top end of the push rod 32 and forms a structure similar to a T shape with the push rod, the connecting plate 382 is provided with guide holes, the number of the guide holes is the same as that of the guide rods 381, and the guide rods 381 respectively pass through the corresponding guide holes in a one-to-one correspondence manner, and the guide rods 381 can move in the guide holes in the axial direction. So set up, simple structure, and the direction stability is good.

Of course, the connection plate 382 is fixed to the push rod 31, and a cross structure may be formed therebetween. When the connection plate 382 is fixed to the tip of the push rod 31, the manufacturing process can be simplified.

To further secure stability, the guide portion 38 further includes a support plate 383, and top ends of the guide rods 381 are respectively connected to the support plate 383, and bottom ends of the guide rods 381 are respectively connected to the pressing plate 331.

Of course, in the present embodiment, the guide rod 381 and the push rod 32 may be fixed relatively, and the connection plate 382 and the housing 200 may be fixed relatively.

As shown in fig. 2, the bottom end of the push rod 32 is further provided with a pressing block 39, and the pressing block 39 is used for abutting against the upper cover 2, of course, the bottom end of the push rod 32 can directly abut against the upper cover 2, and when the push rod 32 abuts against the upper cover 2, the contact area between the push rod and the upper cover 2 can be increased, so that damage to the upper cover 2 is avoided.

In the treatment apparatus, the number of the capping devices 3 is at least two, and each capping device 3 is arranged in the circumferential direction of the upper cover 2. To ensure a stable pressing down action on the upper cover 2.

As shown in fig. 1 and 3, the housing 200 is further provided with a connecting portion 220 extending outward in the circumferential direction of the through hole, the end portion of the connecting portion 220 is further provided with a flange, and the mounting portion 33 is fixedly connected with the flange by a fastener.

Of course, the mounting portion 33 may be directly fixed to the side wall of the housing 200, and when the connecting portion 220 is provided to fix to the mounting portion 33, the mounting operation can be simplified, and the sealing at the connecting portion can be easily realized.

The carrier 100 is located in the housing 200, specifically, the bottom end of the body portion 1 may be abutted against the inner wall of the housing 200, and the upper cover 2 may be covered on the top end of the body portion 1, or the abutting portion 300 may be disposed in the housing 200, so that one side of the body portion 1 is abutted against the abutting portion 300, and the upper cover 2 may be located on one side of the body portion 1 away from the abutting portion 300, which may be specifically set according to practical situations.

The top of body portion 1 is equipped with first location structure, and this first location structure can set up the curb plate at body portion 1, and upper cover 2 is equipped with second location structure, and upper cover 2 can be through first location structure and second location structure location cooperation when the lid closes in the open structure of body portion 1, guarantees the accuracy of upper cover 2 lid position.

Specifically, in this embodiment, the first positioning structure and the second positioning structure are not limited, for example, one of the positioning structures may be set to be a protrusion protruding from the top end or the bottom end of the side plate, the other positioning structure may be set to be a groove adapted to the protrusion, and for further improving the convenience of installation, the protrusion and/or the groove may be further provided with a guiding surface, so that the protrusion may be quickly inserted into the groove during installation. Alternatively, one of the two positioning structures may be a positioning hole, and the other positioning structure may be a positioning pin.

The embodiment of the utility model also provides a using method of the processing equipment, which is based on the processing equipment, as shown in fig. 4, and comprises the following steps:

s1: the upper cover 2 is covered on the open structure of the body part 1;

s2: the upper cover 2 is pressed by the capping device 3, so that the upper cover 2 is attached to the body 1.

The upper lid 2 of the carrier 100 is not completely closed to the body 1 by its own weight, and the sealing performance of the upper lid 2 can be ensured by the driving action of the capping device 3. Avoid because the deformation of body portion 1 leads to upper cover 2 unable and body portion 1 laminating completely for there is the problem of gas leakage in the gap between body portion 1 and upper cover 2, and then ensures that the interior flow field of carrier 100 is even stable.

The processing apparatus further includes a housing 200, and at this time, as shown in fig. 5, before step S1, further includes step S0: the body portion 1 is placed in the inner cavity of the housing 200.

After the upper cover 2 is covered on the open structure of the body part 1, the upper cover 2 is also positioned in the inner cavity.

As shown in fig. 5, between step S1 and step S2, step S11 is further included: the capping device 3 is mounted to the housing 200.

The capping device 3 is mounted on the housing 200, so that the capping device 3 can conveniently press the upper cover 2, and the overall structure is simplified.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims

1. A treatment device, characterized by comprising a carrier (100) and a capping means (3);

the carrier (100) comprises a body part (1) and an upper cover (2), one side of the body part (1) is of an open structure, the upper cover (2) is covered on the open structure, and the cover pressing device (3) can press the upper cover (2) to enable the upper cover (2) to be attached to the body part (1).

2. The processing apparatus of claim 1, further comprising a housing (200), the carrier (100) being disposed within an interior cavity of the housing (200);

the capping device (3) is provided on the housing (200) and is capable of pressing the upper cover (2) to attach the upper cover (2) to the body (1).

3. The processing apparatus according to claim 2, wherein the capping device (3) includes a driving member (31), a push rod (32) and a mounting portion (33), the mounting portion (33) is fixed to the housing (200) and provided with a mounting hole, a top end of the push rod (32) is connected to the driving member (31), a bottom end of the push rod (32) can pass through the mounting hole and a through hole provided in the housing (200) and is abutted to the upper cover (2), and the push rod (32) can push the upper cover (2) under the action of the driving member (31).

4. A treatment apparatus according to claim 3, wherein a contact position of the bottom end of the push rod (32) with the upper cover (2) is opposed to a side end face of the side plate of the body portion (1) toward the upper cover (2).

5. A treatment apparatus according to claim 3, wherein the capping device (3) further comprises a first seal (34) and a second seal (35), the first seal (34) being arranged circumferentially of the mounting hole and sandwiched between an inner wall of the mounting hole and an outer wall of the push rod (32), the second seal (35) being arranged circumferentially of the through hole and sandwiched between the mounting portion (33) and the housing (200).

6. The processing apparatus according to claim 5, wherein an inner wall of the mounting hole is provided with a mounting groove in a circumferential direction, and the first seal (34) is provided in the mounting groove.

7. The treatment device according to claim 6, characterized in that the upper end face of the mounting portion (33) is further provided with a counter bore coaxial with and communicating with the mounting hole;

the gland device (3) further comprises a pressing plate (331), the pressing plate (331) is arranged above the mounting portion (33), an annular protrusion (332) is arranged on the lower end face of the pressing plate (331) in a downward extending mode along the circumferential direction of the push rod (32), the annular protrusion (332) is inserted into the counter bore and forms a mounting groove together with the hole bottom of the counter bore in a surrounding mode, and the annular protrusion (332) can extrude the first sealing element (34) to enable the first sealing element (34) to protrude inwards along the radial direction and be attached to the outer wall surface of the push rod (32).

8. The processing apparatus according to claim 7, wherein a partition (333) is further interposed between the annular protrusion (332) and the first seal (34).

9. A treatment device according to any one of claims 5-8, wherein the gland device (3) further comprises a cooling portion provided to the mounting portion (33) for cooling the first seal (34) and the second seal (35).

10. A treatment apparatus according to any one of claims 3-8, wherein the capping device (3) further comprises a flexible scraper (36), the flexible scraper (36) being fixed to the lower end surface of the mounting portion (33) and being arranged in the circumferential direction of the push rod (32), the flexible scraper (36) being adapted to scrape off powder adhering to the outer wall surface of the push rod (32).

11. The processing apparatus according to claim 10, characterized in that the flexible scraper (36) is located within an annular space enclosed by the second seal (35), and in that the thickness of the flexible scraper (36) is smaller than the thickness of the second seal (35).

12. The treatment device according to any one of claims 1-8, characterized in that a connecting piece (37) and a guiding part (38) are further arranged between the driving piece (31) and the pushing rod (32), two ends of the connecting piece (37) are respectively hinged with the driving piece (31) and the pushing rod (32), the guiding part (38) comprises a guide rod (381) fixedly arranged on the mounting part (33), the guide rod (381) is axially arranged along the mounting hole, and the driving piece (31) can drive the pushing rod (32) to move along the length direction of the guide rod (381) through the connecting piece (37).

13. The processing apparatus according to claim 12, wherein the guide portion (38) includes a connection plate (382) and at least two guide rods (381), the connection plate (382) being fixed to the push rod (32), the connection plate (382) being provided with guide holes respectively corresponding to the guide rods (381) one by one, and each guide rod (381) passing through the corresponding guide hole and being movable in an axial direction of the guide hole.

14. The treatment device according to any one of claims 1-8, characterized in that the bottom end of the push rod (32) is further provided with a press block (39), the press block (39) being adapted to abut against the upper cover (2).

15. A treatment plant according to any one of claims 1-8, characterized in that the number of gland devices (3) is at least two and arranged in the circumferential direction of the upper cover (2).

16. The processing apparatus according to any one of claims 1 to 8, wherein the housing (200) is further provided with a connecting portion (220) extending outwardly in a circumferential direction of the through hole, an end portion of the connecting portion (220) is further provided with a connecting flange, and the mounting portion (33) and the connecting flange are fixed by a fastener.

17. The processing apparatus according to any one of claims 1 to 8, further comprising an abutment portion (300) provided in the housing (200), a side end of the body portion (1) remote from the upper cover (2) abutting against the abutment portion (300).

18. The processing apparatus according to any one of claims 1-8, wherein the top of the body part (1) is provided with a first positioning structure, the upper cover (2) is provided with a second positioning structure, and the upper cover (2) and the body part (1) are in positioning fit through the first positioning structure and the second positioning structure.