PBT spinning melt exhaust type buffer box

Abstract

The utility model discloses a PBT spinning melt exhaust type buffer box, which relates to the technical field of PBT fiber, and comprises a buffer box, one end of the buffer box is connected with an air inlet pipe for air to enter, the other end of the buffer box is provided with an air exhauster for air to be exhausted, the end part of the air exhauster is connected with an air outlet pipe for guiding air to be exhausted, and the air outlet pipe is connected with an air outlet pipe for guiding air to be exhausted. The outer wall of the air extractor is provided with a connecting pipe and a butt joint mechanism arranged on the air extractor and the air outlet pipe. The docking mechanism comprises a docking unit and a limiting unit; the butt joint unit is used for providing connection for butt joint of the air exhauster and the air outlet pipe. By arranging the butt joint mechanism, when the activated carbon plate between the air outlet pipe and the connecting pipe needs to be replaced, rotating force can be given to the rotating ring, so that connection limiting of three butt joint blocks and a butt joint groove is rapidly contacted, the air outlet pipe is separated from the connecting pipe, and the activated carbon plate between the air outlet pipe and the connecting pipe is conveniently replaced; and the working efficiency is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of PBT fibers, in particular to a PBT spinning melt exhaust type buffer box. Background Art

[0002] PBT fiber is the abbreviation of polybutylene terephthalate fiber. It is a linear polymer made by esterification of high-purity terephthalic acid or dimethyl terephthalate with 1,4-butanediol and polycondensation, and the fiber is made by melt spinning. It is a kind of polyester fiber. In production, dimethyl terephthalate and 1,4-butanediol are often used through ester exchange, and organic titanium or tin compounds and tetrabutyl titanate are used as catalysts for polycondensation reaction at a high temperature and vacuum degree, and then melt spinning is used to make PBT fiber.

[0003] In the prior art, when producing PBT fibers, it is generally necessary to store and discharge harmful gases generated in the production process. When discharging the harmful gases, the discharged gases need to be filtered. In the prior art, activated carbon plates are generally used to filter the harmful gases, and the activated carbon plates need to be replaced regularly. In order to further improve work efficiency and facilitate quick replacement of the activated carbon plates, the utility model proposes a PBT spinning melt exhaust buffer box. Summary of the invention

[0004] The purpose of the utility model is to provide a PBT spinning melt exhaust type buffer box in order to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PBT spinning melt exhaust type buffer box, comprising a buffer box, one end of the buffer box is connected to an air inlet pipe for gas to enter, the other end of the buffer box is provided with an air pump for gas to be discharged, the end of the air pump is connected to an air outlet pipe for providing a guide for gas discharge, the outer wall of the air pump is installed with a connecting pipe, and a docking mechanism is provided on the air pump and the air outlet pipe;

[0006] The docking mechanism includes a docking unit and a limiting unit;

[0007] The docking unit is used to provide a connection for the docking of the air extractor and the air outlet pipe;

[0008] The limiting unit is used to provide a limiting force for the connection of the docking unit.

[0009] As a further solution of the utility model: the docking unit includes a rotating ring, a docking block, a docking groove, and a limit block;

[0010] The rotating ring is rotatably sleeved on the outer wall of the connecting pipe, and the rotating ring is used to synchronously drive the docking block to rotate;

[0011] The docking block is fixed at the end of the rotating ring and extends to the outside of one end of the air outlet pipe. The docking block is used to cooperate with the docking groove to provide a limit for the air pump and the air outlet pipe;

[0012] The docking groove is provided on the outer wall of the end of the air extractor, and the docking groove is used to provide a hole groove for inserting the docking block;

[0013] The limit block is axially slidably mounted on the outer wall of the rotating ring and extends to the inner wall of the air outlet pipe. The limit block is used to provide a limit for the rotation of the rotating ring.

[0014] As a further solution of the utility model: the limiting unit includes a positioning rod and a spring;

[0015] The positioning rod is fixed to the inner wall of the rotating ring and penetrates into the inner cavity of the limit block, and the positioning rod is used to provide guidance for the axial movement of the limit block;

[0016] The two ends of the spring are respectively clamped on the inner wall of the rotating ring and the outer wall of the limiting block, and the spring is used to always provide elastic force in one direction for the limiting block.

[0017] As a further solution of the utility model: the outer wall of the air outlet pipe is formed with a rotating groove for the rotating ring to rotate, and the outer wall of one end of the air outlet pipe is formed with a sliding groove for the docking block to rotate circumferentially.

[0018] As a further solution of the utility model: the outer wall of the air outlet pipe is formed with a limiting groove for the limiting block to enter, and the limiting groove and the end of the docking block are formed with an inclined surface contacting the limiting block on the side opposite to the end.

[0019] As a further solution of the utility model: the number of the docking blocks and the docking grooves is set to three, and the three docking grooves and the docking blocks are evenly distributed at the ends of the vacuum pump and the rotating ring.

[0020] As a further solution of the utility model: the outer wall of the docking block is in an "L"-shaped structure as a whole, and the "L"-shaped corner position angle of the docking block is greater than ninety degrees.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] By setting up a docking mechanism, when the activated carbon plate between the air outlet pipe and the connecting pipe needs to be replaced, a rotating ring can be given a rotational force, thereby quickly contacting the connection limit of the three docking blocks and the docking grooves, so that the air outlet pipe is separated from the connecting pipe, which is convenient for replacing the activated carbon plate between the air outlet pipe and the connecting pipe, and further improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1It is a schematic diagram of the structure of the utility model;

[0024] Figure 2 It is a structural schematic diagram of the docking mechanism of the utility model;

[0025] Figure 3 This is a schematic diagram of the installation structure of the limit block of the utility model.

[0026] In the figure: 1. cache box; 2. air inlet pipe; 3. air exhaust fan; 4. air outlet pipe; 5. connecting pipe; 6. docking mechanism; 601. rotating ring; 602. docking block; 603. docking groove; 604. limit block; 605. positioning rod; 606. spring. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-Figure 3 In the embodiment of the utility model, a PBT spinning melt exhaust type buffer box includes a buffer box 1, one end of the buffer box 1 is connected to an air inlet pipe 2 for gas to enter, the other end of the buffer box 1 is provided with an air pump 3 for gas to be discharged, the end of the air pump 3 is connected to an air outlet pipe 4 for providing a guide for gas discharge, and the outer wall of the air pump 3 is installed with a connecting pipe 5, which is characterized in that a docking mechanism 6 is arranged on the air pump 3 and the air outlet pipe 4;

[0029] The docking mechanism 6 includes a docking unit and a limiting unit;

[0030] The docking unit is used to provide a connection for the air extractor 3 and the air outlet pipe 4;

[0031] The limiting unit is used to provide a limiting force for the connection of the docking unit;

[0032] The docking unit includes a rotating ring 601, a docking block 602, a docking groove 603, and a limit block 604;

[0033] The rotating ring 601 is rotatably sleeved on the outer wall of the connecting pipe 5, and the rotating ring 601 is used to synchronously drive the docking block 602 to rotate;

[0034] The docking block 602 is fixed at the end of the rotating ring 601 and extends to the outside of one end of the air outlet pipe 4. The docking block 602 is used to cooperate with the docking groove 603 to provide a limit for the air pump 3 and the air outlet pipe 4.

[0035] The docking groove 603 is provided on the outer wall of the end of the air extractor 3, and the docking groove 603 is used to provide a hole groove for inserting the docking block 602;

[0036] The limit block 604 is axially slidably mounted on the outer wall of the rotating ring 601 and extends to the inner wall of the air outlet pipe 4. The limit block 604 is used to provide a limit for the rotation of the rotating ring 601.

[0037] The limiting unit includes a positioning rod 605 and a spring 606;

[0038] The positioning rod 605 is fixed to the inner wall of the rotating ring 601 and penetrates into the inner cavity of the limiting block 604. The positioning rod 605 is used to provide guidance for the axial movement of the limiting block 604.

[0039] Two ends of the spring 606 are respectively clamped on the inner wall of the rotating ring 601 and the outer wall of the limiting block 604 . The spring 606 is used to provide an elastic force in one direction for the limiting block 604 .

[0040] In this embodiment: when this device is used, by giving a thrust to the limit block 604, the limit block 604 will move axially along the outer wall of the rotating ring 601 and move out of the limit groove on the outer wall of the air outlet pipe 4, and the limit block 604 will also move axially along the outer wall of the positioning rod 605 and give elastic force to the spring 606. At this time, the rotating ring 601 can be rotated, and the rotating rotating ring 601 will synchronously drive the docking block 602 fixed at the end to rotate along the inner cavity of the docking groove 603 until the docking block 602 can be axially moved out of the gap of the docking groove 603. At this time, an outward pulling force can be given to the air outlet pipe 4 to separate the air outlet pipe 4 and the air exhaust fan 3, so that the activated carbon plate between the air outlet pipe 4 and the air exhaust fan 3 can be replaced, which is convenient to operate and further improves work efficiency.

[0041] Please refer to Figure 1-Figure 3 The outer wall of the air outlet pipe 4 is formed with a rotating groove for the rotating ring 601 to rotate, and the outer wall of one end of the air outlet pipe 4 is formed with a sliding groove for the docking block 602 to rotate circumferentially. The outer wall of the air outlet pipe 4 is formed with a limit groove for the limit block 604 to enter, and the limit groove and the end of the docking block 602 are formed with an inclined surface in contact with the limit block 604 on the side opposite to the end. There are three docking blocks 602 and docking grooves 603. The three docking grooves 603 and docking blocks 602 are evenly distributed at the ends of the vacuum fan 3 and the rotating ring 601. The outer wall of the docking block 602 is an "L"-shaped structure as a whole, and the "L"-shaped corner position angle of the docking block 602 is greater than ninety degrees.

[0042] In this embodiment: through this structure, when the limit block 604 enters the limit groove on the outer wall of the air outlet pipe 4, the inclined surface at the end of the limit groove gives the limit block 604 a thrust, and the limit block 604, which is subjected to the elastic force of the spring 606, will drive the rotating ring 601 to rotate to one side under the action of the inclined surface, and the rotating rotating ring 601 will synchronously drive the docking block 602 to rotate, and the docking groove 603 will contact the transverse rod of the docking block 602. Since the angle between the transverse rod and the vertical rod of the docking block 602 is greater than ninety degrees, the docking block 602, which is subjected to the rotational force of the rotating ring 601, will contact the docking groove 603 more closely, thereby increasing the sealing of the vacuum pump 3 and the air outlet pipe 4. It should be noted that a sealing gasket is provided at the connection between the vacuum pump 3 and the air outlet pipe 4.

[0043] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A PBT spinning melt exhaust buffer box, comprising a buffer box (1), one end of the buffer box (1) is connected to an air inlet pipe (2) for gas to enter, the other end of the buffer box (1) is provided with an air pump (3) for gas to be discharged, the end of the air pump (3) is connected to an air outlet pipe (4) for providing a guide for gas discharge, and the outer wall of the air pump (3) is installed with a connecting pipe (5), characterized in that: A docking mechanism (6) disposed on the air pump (3) and the air outlet pipe (4); The docking mechanism (6) comprises a docking unit and a limiting unit; The docking unit is used to provide a connection for the docking of the air extractor (3) and the air outlet pipe (4); The limiting unit is used to provide a limiting force for the connection of the docking unit.

2. A PBT spinning melt exhaust type buffer box according to claim 1, characterized in that: The docking unit comprises a rotating ring (601), a docking block (602), a docking groove (603), and a limiting block (604); The rotating ring (601) is rotatably sleeved on the outer wall of the connecting pipe (5), and the rotating ring (601) is used to synchronously drive the docking block (602) to rotate; The docking block (602) is fixed to the end of the rotating ring (601) and extends to the outside of one end of the air outlet pipe (4); the docking block (602) is used to cooperate with the docking groove (603) to provide a limit for the air pump (3) and the air outlet pipe (4); The docking groove (603) is provided on the outer wall of the end of the air extractor (3), and the docking groove (603) is used to provide a hole groove for inserting the docking block (602); The limit block (604) is axially slidably mounted on the outer wall of the rotating ring (601) and extends to the inner wall of the air outlet pipe (4); the limit block (604) is used to provide a limit for the rotation of the rotating ring (601).

3. A PBT spinning melt exhaust type buffer box according to claim 2, characterized in that: The limiting unit comprises a positioning rod (605) and a spring (606); The positioning rod (605) is fixed to the inner wall of the rotating ring (601) and penetrates into the inner cavity of the limiting block (604), and the positioning rod (605) is used to provide guidance for the axial movement of the limiting block (604); Two ends of the spring (606) are respectively clamped on the inner wall of the rotating ring (601) and the outer wall of the limiting block (604), and the spring (606) is used to provide a directional elastic force for the limiting block (604) at all times.

4. A PBT spinning melt exhaust type buffer box according to claim 2, characterized in that: The outer wall of the air outlet pipe (4) is formed with a rotating groove for the rotating ring (601) to rotate, and the outer wall of one end of the air outlet pipe (4) is formed with a sliding groove for the docking block (602) to rotate circumferentially.

5. A PBT spinning melt exhaust type buffer box according to claim 2, characterized in that: The outer wall of the air outlet pipe (4) is formed with a limiting groove for the limiting block (604) to enter, and the limiting groove and the end of the docking block (602) are formed with an inclined surface in contact with the limiting block (604) on the side opposite to the end.

6. A PBT spinning melt exhaust type buffer box according to claim 2, characterized in that: The number of the docking blocks (602) and the docking grooves (603) is three, and the three docking grooves (603) and the docking blocks (602) are evenly distributed at the ends of the air pump (3) and the rotating ring (601).

7. A PBT spinning melt exhaust type buffer box according to claim 2, characterized in that: The outer wall of the docking block (602) is in an "L"-shaped structure as a whole, and the "L"-shaped corner angle of the docking block (602) is greater than ninety degrees.

Images