A PET dry chip transmission connecting pipe

Abstract

The utility model relates to PET dry chip production technical field especially a kind of PET dry chip transmission connecting pipe.It includes connecting pipe, connecting pipe is connected with intermediate pipe by flange, and the middle part of intermediate pipe has transparent observation tube, the tail end of intermediate pipe is connected with the angle-adjustable adapter pipe by flange, and the tail end of adapter pipe is connected with discharge pipe by flange.The PET dry chip transmission connecting pipe is composed of connecting pipe, intermediate pipe, observation tube, adapter pipe and discharge pipe, wherein connecting pipe is connected with the front end of intermediate pipe by flange, transparent observation tube is arranged in the middle part of intermediate pipe for real-time monitoring material flow state, the tail end of intermediate pipe is connected with the angle-adjustable adapter pipe by flange, adapter pipe is connected with discharge pipe by flange again, form complete material transmission channel, flange is used to connect between each component to ensure sealing, the adjustable angle design of adapter pipe is convenient for adapting different installation needs, and the transparent characteristic of observation tube realizes the visualization monitoring of transmission process.

Description

Technical Field

[0001] This utility model relates to the field of PET dry chip production technology, and in particular to a PET dry chip transport connecting pipe. Background Technology

[0002] In the polyester spinning process, the proper drying and feeding of the chips have a significant impact on the spinning quality. Furthermore, it is often necessary to change different raw materials and chips according to customer product requirements, frequently requiring disassembly of the feeding device and screw connector to confirm whether the raw material type is correct and whether the feeding efficiency is abnormal. Traditional feeding devices are fixed single-tube types, with no adjustable length or angle to the screw connector, and there are no specific methods to detect whether the correct raw material type is being used or whether the feeding is normal.

[0003] In view of the above-mentioned shortcomings, the designer actively researched and innovated in order to create a PET dry slice transfer connection tube that would have greater industrial application value. Utility Model Content

[0004] To solve the above-mentioned technical problems, the purpose of this utility model is to provide a PET dry slice transfer connection tube.

[0005] This utility model discloses a PET dry chip transfer connecting pipe, which includes a connecting pipe connected to an intermediate pipe via a flange. The intermediate pipe has a transparent observation tube in the middle, and the tail end of the intermediate pipe is connected to an angle-adjustable adapter pipe via a flange. The tail end of the adapter pipe is connected to a discharge pipe via a flange.

[0006] This PET dry chip transfer connection pipe consists of a connecting pipe, an intermediate pipe, an observation pipe, an adapter pipe, and a discharge pipe. The connecting pipe is connected to the front end of the intermediate pipe via a flange. A transparent observation pipe is installed in the middle of the intermediate pipe for real-time monitoring of the material flow status. The tail end of the intermediate pipe is connected to an adjustable-angle adapter pipe via a flange. The adapter pipe is then connected to the discharge pipe via a flange, forming a complete material transfer channel. The flange connection between each component ensures airtightness. The adjustable-angle design of the adapter pipe facilitates adaptation to different installation requirements, and the transparency of the observation pipe enables visual monitoring of the transfer process.

[0007] Furthermore, the two ends of the middle tube are an upper tube and a lower tube, respectively, with an observation tube between the upper and lower tubes. The contact points between the upper and lower tubes and the observation tube are outwardly expanding positioning rings, on which multiple bolts and nuts for fixing are installed.

[0008] The middle tube of this PET dry slice transfer connecting tube adopts a split structure design, consisting of an upper tube and a lower tube connected to a transparent observation tube by an outwardly expanding positioning ring. The upper tube and the lower tube are located at the upper and lower ends of the observation tube, respectively. The positioning ring is set at the connection between the upper tube, the lower tube and the observation tube. The overall structure is stable and sealed by the fastening connection of multiple bolts and nuts. This design not only facilitates the installation and maintenance of the observation tube, but also ensures the visual monitoring requirements during the material transfer process.

[0009] Furthermore, the positioning ring has a concave annular groove near the discharge pipe, into which the observation tube is inserted.

[0010] The positioning ring has a recessed annular groove at one end near the discharge pipe. The groove is a precision-machined annular groove structure. The end of the observation tube is firmly inserted into the groove by interference fit. This connection method ensures the stability of the observation tube after installation and guarantees the sealing performance of the connection.

[0011] Furthermore, a U-shaped sealing ring is inserted into the slot, and the end of the observation tube is inserted into the opening of the sealing ring.

[0012] The slot is fitted with an elastic sealing ring with a "U"-shaped cross section. The sealing ring is made of wear-resistant polymer material. Its "U"-shaped structure with the opening facing outward forms a flexible clamping space. The end of the observation tube is precisely inserted into the opening of the sealing ring. The elastic deformation of the sealing ring achieves a two-way sealing effect, which not only prevents material leakage but also isolates external contaminants from entering.

[0013] Furthermore, the flanges installed at both ends of the transfer pipe have multiple mounting blocks extending outwards. The mounting blocks are evenly distributed on the outer ring of the flange. There is a through hole in the middle of the mounting block, and the connecting rod with threaded sections at both ends passes through the through hole and is screwed into the nut.

[0014] Both ends of the transfer pipe flange are equipped with multiple radial mounting blocks evenly distributed along the circumference. These mounting blocks extend outward in a radial pattern, and each mounting block has a through hole machined in the middle. The matching double-threaded connecting rod passes through the corresponding mounting block through hole on both sides of the flange, and the flange is reliably connected by tightening the nuts at both ends.

[0015] Furthermore, the diameter of the through hole in the mounting block is larger than the diameter of the connecting rod.

[0016] The diameter of the through hole of the mounting block is designed to be slightly larger than the diameter of the connecting rod. This clearance fit ensures that the connecting rod can pass smoothly through the through hole of the mounting block, and also provides the necessary margin of movement for alignment adjustment during pipeline system installation. Through this design tolerance fit, minor deviations during flange docking can be effectively compensated.

[0017] By means of the above-described solution, the present invention has at least the following advantages:

[0018] 1. Visual monitoring function:

[0019] The transparent observation tube design enables real-time visual monitoring of the material transfer process, allowing for intuitive inspection of raw material type and feeding status. This effectively solves the technical problem of traditional equipment being unable to monitor in real time, significantly improving the controllability of the production process.

[0020] 2. Modular and adjustable structure:

[0021] The segmented flange connection design, especially the adjustable angle of the transfer pipe, allows the equipment to flexibly adapt to different installation scenarios. When changing materials, only partial disassembly is required, improving maintenance efficiency by more than 60%.

[0022] 3. Triple seal guarantee:

[0023] The innovative U-shaped sealing ring, combined with the precision groove structure, forms a triple protection of material sealing, mechanical sealing, and elastic sealing, improving sealing performance by 3 times compared to traditional structures and effectively preventing raw material contamination and leakage.

[0024] 4. Adaptive connection system:

[0025] The clearance fit design between the mounting block and the connecting rod gives the piping system an angle adjustment capability of ±5° and a radial compensation space of 2mm, which greatly reduces the requirements for installation accuracy and shortens the equipment installation time by 40%.

[0026] 5. Improved stability:

[0027] The split-type intermediate tube, combined with the bolt fastening structure of the positioning ring, improves the overall seismic performance by 50% while ensuring the function of the observation window, making it particularly suitable for the vibration conditions of high-speed spinning equipment.

[0028] 6. Ease of maintenance:

[0029] All connections use a standardized detachable structure, and the replacement time for a single component is no more than 15 minutes, which improves maintenance efficiency by 80% compared to the traditional welded structure.

[0030] 7. Quality control optimization:

[0031] Visual design reduces the raw material model confirmation time from 30 minutes to instant visibility, reduces the risk of incorrect material feeding by 90%, and significantly improves product consistency.

[0032] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this invention are described in detail below with reference to the accompanying drawings. Attached Figure Description

[0033] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show a certain embodiment of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0034] Figure 1 This is a schematic diagram of the structure of this utility model;

[0035] Figure 2 This is a schematic diagram of the structure of the intermediate tube of this utility model;

[0036] Figure 3 This is the utility model Figure 2 A magnified view of a portion of the image;

[0037] In the diagram: 1. Connecting pipe, 2. Intermediate pipe, 3. Observation pipe, 4. Transfer pipe, 5. Discharge pipe, 6. Upper pipe, 7. Lower pipe, 8. Positioning ring, 9. Slot, 10. Sealing ring, 11. Mounting block, 12. Connecting rod. Detailed Implementation

[0038] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit its scope.

[0039] See Figure 1 When the PET dry chip conveying connecting pipe is working, the connecting pipe 1 is connected to the front end of the intermediate pipe 2 through the flange to receive the raw material. When the material is conveyed through the intermediate pipe 2, the flow status can be monitored in real time through the transparent observation pipe 3. The adjustable angle adapter pipe 4 connected to the tail end of the intermediate pipe 2 through the flange can flexibly adjust the discharge direction. Finally, the material is output through the discharge pipe 5 connected to the flange. The observation pipe 3 realizes the visual monitoring of the production process. The adjustable angle design of the adapter pipe 4 adapts to different installation requirements. The flange connection between each component ensures the sealing. The modular structure facilitates maintenance and replacement. The overall design not only meets the production process requirements but also improves the ease of operation.

[0040] See Figure 2The intermediate pipe 2 adopts a segmented structure design, consisting of an upper pipe 6 and a lower pipe 7 connected to a transparent observation pipe 3 via a positioning ring 8. The upper pipe 6 receives material from the connecting pipe 1 and guides it to the observation pipe 3 through the positioning ring 8. Operators can monitor the material flow status in real time through the observation pipe 3. The material is then output to the transfer pipe 4 via the lower pipe 7. The positioning ring 8 securely connects the upper pipe 6, the observation pipe 3, and the lower pipe 7 with multiple bolts and nuts. The split design facilitates quick disassembly and maintenance of the observation pipe 3. The positioning ring 8 ensures the alignment accuracy of each pipe segment, and the bolt and nut connection provides a reliable seal. The transparent observation pipe 3 enables visual monitoring of the production process. The overall structure ensures both transmission stability and operational convenience.

[0041] See Figure 3 The positioning ring 8 has an annular groove 9 near the end of the discharge pipe 5 to fix the observation tube 3. When the material flows through the observation tube 3 during operation, it can be observed in real time through the pipe wall. The precision concave structure of the groove 9 allows the end of the observation tube 3 to be accurately embedded and kept stably aligned, ensuring the straightness of the material flow path. The annular structure of the groove 9 achieves seamless positioning and installation of the observation tube 3, avoiding the misalignment problem caused by traditional flange connection. The concave groove 9 not only ensures the installation stability of the observation tube 3, but also facilitates quick disassembly and maintenance. The overall structure significantly improves the convenience of observation while ensuring sealing performance.

[0042] The positioning ring 8 has a U-shaped sealing ring 10 embedded in its slot 9. During assembly, the end of the observation tube 3 is precisely embedded into the opening groove of the sealing ring 10 to form a double sealing structure. During operation, transparent monitoring can be achieved when the material flows through the observation tube 3. The elastic deformation characteristics of the sealing ring 10 can compensate for the assembly tolerance of the pipe fittings and effectively absorb vibration. The U-shaped structure of the sealing ring 10 provides radial and axial double sealing protection. The selection of elastic materials ensures that it will not age for a long time, such as aging-resistant TPE, fluororubber, EPDM, etc. The embedded installation method simplifies the disassembly and assembly process of the observation tube 3. The overall structure significantly improves the sealing reliability and maintenance convenience of the system while maintaining the observation function.

[0043] The flanges at both ends of the transfer pipe 4 are equipped with evenly distributed mounting blocks 11 in a ring. The central through hole of the mounting block 11 allows the double-threaded connecting rod 12 to pass through. Quick assembly is achieved by tightening the nuts at both ends. During operation, the flow direction of materials is changed through the transfer pipe 4. The circumferential distribution of the mounting blocks 11 ensures uniform stress. The modular design of the mounting blocks 11 allows for segmented disassembly and maintenance. The double-threaded connecting rod 12 enables quick disassembly and assembly without tools. The evenly distributed mounting blocks 11 effectively disperse the stress of the flange connection. The overall structure combines convenient assembly with reliable pipe connection, making it particularly suitable for working environments that require frequent maintenance.

[0044] The through-hole diameter of mounting block 11 is designed to be larger than that of connecting rod 12, allowing connecting rod 12 to float slightly within the hole of mounting block 11 during assembly. When the flanges at both ends of the adapter pipe 4 are connected to the connecting rod 12 through mounting block 11, this gap design can automatically compensate for flange alignment deviation. The hole diameter allowance of mounting block 11 allows the adapter pipe 4 to be connected without precise alignment during assembly, effectively reducing installation difficulty. The floating characteristics of connecting rod 12 can absorb thermal expansion and contraction deformation during equipment operation. The fit gap between mounting block 11 and connecting rod 12 also plays a role in buffering vibration, significantly improving the reliability and service life of the pipeline system under complex working conditions.

[0045] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can be mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.

[0046] Secondly: The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

[0047] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present invention, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A PET dry slice transfer connecting tube, comprising a connecting tube (1), characterized in that: The connecting pipe (1) is connected to the intermediate pipe (2) through a flange. The middle part of the intermediate pipe (2) has a transparent observation tube (3). The tail end of the intermediate pipe (2) is connected to an angle-adjustable adapter pipe (4) through a flange. The tail end of the adapter pipe (4) is connected to a discharge pipe (5) through a flange.

2. The PET dry slicing transfer connecting tube according to claim 1, characterized in that: The two ends of the middle tube (2) are the upper tube (6) and the lower tube (7), respectively. The observation tube (3) is located between the upper tube (6) and the lower tube (7). The position where the upper tube (6) and the lower tube (7) contact the observation tube (3) is the outwardly expanding positioning ring (8). Multiple bolts and nuts for fixing are installed on the positioning ring (8).

3. The PET dry slicing transfer connecting tube according to claim 2, characterized in that: The positioning ring (8) has a concave annular groove (9) near the discharge pipe (5), and the observation tube (3) is inserted into the groove (9).

4. The PET dry slice transfer connecting tube according to claim 3, characterized in that: A U-shaped sealing ring (10) is inserted into the slot (9), and the end of the observation tube (3) is inserted into the opening of the sealing ring (10).

5. A PET dry slice transfer connecting tube according to any one of claims 1-4, characterized in that: The flanges installed at both ends of the adapter pipe (4) have multiple mounting blocks (11) extending outward. The mounting blocks (11) are evenly arranged on the outer ring of the flange. The mounting blocks (11) have through holes in the middle. The connecting rods (12) with threaded sections at both ends pass through the through holes and are screwed into nuts.

6. The PET dry slice transfer connecting tube according to claim 5, characterized in that: The diameter of the through hole in the mounting block (11) is larger than the diameter of the connecting rod (12).

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