Spinning channel for high-strength polypropylene filament yarn production

Abstract

The utility model relates to the technical field of polypropylene fiber production, in particular to a spinning channel for high-strength polypropylene filament yarn production, which comprises a channel body and an extension tube, the extension tube is positioned above the channel body, a joint is mounted on the lower surface of the channel body, a positioning device is arranged on the surface of the channel body, and the positioning device is connected with the extension tube. The positioning device comprises an inserting groove and a clamping frame, the inserting groove is formed in the surface of the channel body, an inserting block is fixedly connected to the lower surface of the extension pipe, one end of the inserting block is inserted into the inserting groove, clamping rods are fixedly connected to the surface of the channel body and the surface of the extension pipe, and the clamping frame is buckled on the two clamping rods. According to the scheme, the extending operation is effectively carried out on the channel body, meanwhile, the reinforcing operation is carried out on the extending part, the strength of the channel is improved, polypropylene filament yarn production can be conveniently carried out, the failure rate of the channel is reduced, the applicability of the channel is improved, and normal use of the channel is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of polypropylene production, in particular to a spinning tunnel for producing high-strength polypropylene filaments. Background Art

[0002] Polypropylene is the Chinese trade name for synthetic fiber isotactic polypropylene fiber made from propylene, a by-product of petroleum refining, also known as polypropylene fiber. The varieties of polypropylene include filaments (including undeformed filaments and expanded deformed filaments), staple fibers, bristle fibers, film-split fibers, hollow fibers, shaped fibers, various composite fibers and non-woven fabrics. Its main uses are in making carpets (including carpet backing and suede), decorative fabrics, furniture fabrics, various ropes, strips, fishing nets, oil-absorbing felts, building reinforcement materials, packaging materials and industrial fabrics, such as filter cloth, bag cloth, etc. In addition, its application in clothing is becoming more and more extensive. The spinning tunnel is an important device that needs to be used. The spinning tunnel is the process of silk formation, as well as the volatilization and recovery process of the flux. The volatilization conditions of the flux are important factors affecting the spinning conditions and product quality.

[0003] The prior art includes a utility model with publication number CN203333845U, which discloses a novel spinning tunnel, including a hollow spinning channel body and a transfer piece arranged at the outlet end of the spinning channel body, wherein the spinning channel body includes a square channel section and an inverted trapezoidal channel section, one end of the square channel section is the inlet end of the spinning channel body, and the other end is fixedly connected to the upper end of the inverted trapezoidal channel section, and the lower end of the inverted trapezoidal channel is fixedly connected to the transfer piece. The utility model has a better cooling effect and facilitates the spinning to the next processing part, which can improve the production efficiency and the quality of nylon.

[0004] Currently, most spinning tunnels are extended by adding multiple sections of pipes to suit different scenarios. However, the joints of the tunnels are weak and are prone to loosening or deformation during long-term use, which increases the failure rate of the tunnels, affects material production, and increases economic losses for users. Improvements are needed. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a spinning tunnel for producing high-strength polypropylene filaments.

[0006] To achieve the above object, the utility model adopts the following technical solutions: A spinning duct for the production of high-strength polypropylene filament, including a duct body and an extension pipe. The extension pipe is located above the duct body. A joint is installed on the lower surface of the duct body. A positioning device is arranged on the surface of the duct body. The positioning device includes a slot and a clamping frame. The slot is opened on the surface of the duct body. A plug is fixedly connected to the lower surface of the extension pipe. One end of the plug is inserted into the slot. Clamping rods are fixedly connected to the surfaces of both the duct body and the extension pipe. The clamping frame is buckled on the two clamping rods. An auxiliary device is arranged on the surface of the extension pipe. This solution effectively extends the duct body, and at the same time strengthens the extended part, improves the strength of the duct, facilitates the production of polypropylene filament, reduces the failure rate of the duct, and improves the applicability of the duct, facilitating the normal use of the duct.

[0007] Preferably, the longitudinal section of the clamping rod is L-shaped, which is convenient for stably extending the duct.

[0008] Preferably, a protective sleeve is sleeved on the extension pipe, and the cross-section of the protective sleeve is in the shape of a "return".

[0009] Preferably, one end of the protective sleeve is sleeved on the duct body. When the extension pipe needs to be connected, the plug on the extension pipe is inserted into the slot on the duct body, and then the clamping frame is buckled on the clamping rods on the extension pipe and the duct body to complete the positioning operation of the extension pipe and the duct body.

[0010] Preferably, a guiding rod is slidably connected to the inner wall of the clamping frame. One end of the guiding rod is fixedly connected with a limiting block. A clamping ring is fixedly connected to the surface of the protective sleeve. One end of the limiting block is inserted into the clamping ring. A pulling block is fixedly connected to one end of the guiding rod.

[0011] Preferably, a spring is sleeved on the guiding rod, and both ends of the spring are fixedly connected to the surfaces of the clamping frame and the pulling block respectively, which is convenient for applying an external force to the pulling block to ensure that the limiting block is stably inserted into the clamping ring.

[0012] Preferably, the auxiliary device includes a limiting rod. The limiting rod is fixedly connected to the surface of the extension pipe. A sliding sleeve is fixedly connected to the surface of the protective sleeve. One end of the limiting rod penetrates through the sliding sleeve, and the sliding sleeve slides on the surface of the limiting rod. A convex block is fixedly connected to the end of the limiting rod away from the extension pipe. Pull the pulling block in the direction away from the duct body. The pulling block drives the limiting block to displace through the guiding rod, and the spring deforms under force. Then pull the protective sleeve downward. The protective sleeve is then buckled on the duct body and the extension pipe. Release the plug. The spring drives the pulling block to reset. The pulling block drives the limiting block to insert into the clamping ring through the guiding rod to complete the fastening and sealing operation of the extension pipe and the duct body.

[0013] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:

[0014] 1. In the present utility model, when it is necessary to connect the extension pipe, the insertion block on the extension pipe is inserted into the slot on the duct body. Subsequently, the clamping frame is buckled on the clamping rod on the extension pipe and the duct body to complete the positioning operation of the extension pipe and the duct body. Pull the pulling block in the direction away from the duct body. The pulling block drives the limiting block to displace through the guiding rod, and the spring deforms under force. Then, pull the protective sleeve downward, and the protective sleeve is immediately buckled on the duct body and the extension pipe. Release the insertion block, and the spring drives the pulling block to reset. The pulling block drives the limiting block to insert into the snap ring through the guiding rod to complete the fastening and sealing operation of the extension pipe and the duct body. This solution effectively extends the duct body, and at the same time strengthens the extended part, improves the strength of the duct, facilitates the production of polypropylene filaments, reduces the failure rate of the duct, and improves the applicability of the duct, facilitating the normal use of the duct. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 FIG. is a schematic three-dimensional structure diagram of a spinning duct for high-strength polypropylene filament production proposed by the present utility model;

[0016] Figure 2 FIG. is a schematic bottom view structure diagram of a spinning duct for high-strength polypropylene filament production proposed by the present utility model;

[0017] Figure 3 FIG. is a schematic structure diagram of part A in a spinning duct for high-strength polypropylene filament production proposed by the present utility model Figure 2 ;

[0018] Figure 4 FIG. is a schematic structure diagram of part B in a spinning duct for high-strength polypropylene filament production proposed by the present utility model Figure 2 ;

[0019] Figure 5 FIG. is a schematic partial explosion structure diagram of a spinning duct for high-strength polypropylene filament production proposed by the present utility model;

[0020] Figure 6 FIG. is an explosion diagram of a positioning device in a spinning duct for high-strength polypropylene filament production proposed by the present utility model.

[0021] LEGEND DESCRIPTION:

[0022] 1. Duct body; 2. Connector; 3. Extension pipe; 4. Positioning device; 41. Clamping frame; 42. Protective sleeve; 43. Insertion block; 44. Slot; 45. Clamping rod; 46. Pulling block; 47. Guiding rod; 48. Spring; 49. Snap ring; 410. Limiting block; 5. Auxiliary device; 51. Limiting rod; 52. Sliding sleeve; 53. Convex block. DETAILED DESCRIPTION OF THE INVENTION

[0023] Please refer to Figures 1-6 Figures 1-6 , the utility model provides a technical solution: a spinning duct for the production of high-strength polypropylene filaments, which includes a duct body 1 and an extension pipe 3. The extension pipe 3 is located above the duct body 1. A joint 2 is installed on the lower surface of the duct body 1. A positioning device 4 is arranged on the surface of the duct body 1. The positioning device 4 includes a slot 44 and a clamping frame 41. The slot 44 is opened on the surface of the duct body 1. A plug 43 is fixedly connected to the lower surface of the extension pipe 3. One end of the plug 43 is inserted into the slot 44. Clamping rods 45 are fixedly connected to the surfaces of both the duct body 1 and the extension pipe 3. The clamping frame 41 is buckled on the two clamping rods 45. An auxiliary device 5 is arranged on the surface of the extension pipe 3. This solution effectively extends the duct body 1, and at the same time strengthens the extended part, improves the strength of the duct, facilitates the production of polypropylene filaments, reduces the failure rate of the duct, and improves the applicability of the duct, facilitating the normal use of the duct.

[0024] Specifically, the longitudinal section of the clamping rod 45 is L-shaped, which is convenient for stably extending the duct.

[0025] Specifically, a protective sleeve 42 is sleeved on the extension pipe 3, and the cross-section of the protective sleeve 42 is in the shape of a "return".

[0026] In this embodiment: One end of the protective sleeve 42 is sleeved on the duct body 1. When it is necessary to connect the extension pipe 3, the plug 43 on the extension pipe 3 is inserted into the slot 44 on the duct body 1, and then the clamping frame 41 is buckled on the clamping rods 45 on the extension pipe 3 and the duct body 1 to complete the positioning operation of the extension pipe 3 and the duct body 1.

[0027] Specifically, a guiding rod 47 is slidably connected to the inner wall of the clamping frame 41. One end of the guiding rod 47 is fixedly connected with a limiting block 410. A clamping ring 49 is fixedly connected to the surface of the protective sleeve 42. One end of the limiting block 410 is inserted into the clamping ring 49. A pulling block 46 is fixedly connected to one end of the guiding rod 47.

[0028] Specifically, a spring 48 is sleeved on the guiding rod 47. The two ends of the spring 48 are respectively fixedly connected to the surfaces of the clamping frame 41 and the pulling block 46, which is convenient for applying an external force to the pulling block 46 to ensure that the limiting block 410 is stably inserted into the clamping ring 49.

[0029] In this embodiment: The auxiliary device 5 includes a limit rod 51, the limit rod 51 is fixedly connected to the surface of the extension tube 3, a sliding sleeve 52 is fixedly connected to the surface of the protective sleeve 42, one end of the limit rod 51 penetrates through the sliding sleeve 52, and the sliding sleeve 52 slides on the surface of the limit rod 51. A convex block 53 is fixedly connected to the end of the limit rod 51 away from the extension tube 3. Pull the pull block 46 in the direction away from the tunnel body 1, the pull block 46 drives the displacement of the limit block 410 through the guide rod 47, and the spring 48 deforms under force. Then pull the protective sleeve 42 downward, and the protective sleeve 42 is immediately buckled on the tunnel body 1 and the extension tube 3. Release the insertion block 43, the spring 48 drives the pull block 46 to reset, and the pull block 46 drives the limit block 410 to insert into the snap ring 49 through the guide rod 47, completing the fastening and sealing operation of the extension tube 3 and the tunnel body 1.

[0030] Working principle: When the extension tube 3 needs to be connected, insert the insertion block 43 on the extension tube 3 into the slot 44 on the tunnel body 1, and then buckle the clamping frame 41 on the clamping rod 45 on the extension tube 3 and the tunnel body 1 to complete the positioning operation of the extension tube 3 and the tunnel body 1. Pull the pull block 46 in the direction away from the tunnel body 1, the pull block 46 drives the displacement of the limit block 410 through the guide rod 47, and the spring 48 deforms under force. Then pull the protective sleeve 42 downward, and the protective sleeve 42 is immediately buckled on the tunnel body 1 and the extension tube 3. Release the insertion block 43, the spring 48 drives the pull block 46 to reset, and the pull block 46 drives the limit block 410 to insert into the snap ring 49 through the guide rod 47, completing the fastening and sealing operation of the extension tube 3 and the tunnel body 1. This solution effectively extends the tunnel body 1, and at the same time strengthens the extended part, improves the strength of the tunnel, facilitates the production of polypropylene filaments, reduces the failure rate of the tunnel, and improves the applicability of the tunnel, facilitating the normal use of the tunnel.

Claims

1. A spinning tunnel for producing high-strength polypropylene filaments, comprising a tunnel body (1) and an extension tube (3), wherein the extension tube (3) is located above the tunnel body (1), and a joint (2) is installed on the lower surface of the tunnel body (1), characterized in that: The surface of the channel body (1) is provided with a positioning device (4), and the positioning device (4) comprises a slot (44) and a bracket (41). The slot (44) is opened on the surface of the channel body (1), and the lower surface of the extension tube (3) is fixedly connected with an insert block (43), and one end of the insert block (43) is inserted into the slot (44). The surfaces of the channel body (1) and the extension tube (3) are both fixedly connected with clamping rods (45), and the bracket (41) is buckled on the two clamping rods (45). The surface of the extension tube (3) is provided with an auxiliary device (5).

2. The spinning tunnel for producing high-strength polypropylene filament according to claim 1, characterized in that: The longitudinal section of the clamping rod (45) is L-shaped.

3. The spinning tunnel for producing high-strength polypropylene filament according to claim 1, characterized in that: The extension tube (3) is sleeved with a protective sleeve (42), and the cross section of the protective sleeve (42) is in a "U" shape.

4. A spinning tunnel for producing high-strength polypropylene filaments according to claim 3, characterized in that: One end of the protective sleeve (42) is sleeved on the channel body (1).

5. The spinning tunnel for producing high-strength polypropylene filament according to claim 3, characterized in that: The inner wall of the bracket (41) is slidably connected to a guide rod (47), one end of the guide rod (47) is fixedly connected to a limit block (410), a clamping ring (49) is fixedly connected to the surface of the protective sleeve (42), one end of the limit block (410) is inserted into the clamping ring (49), and one end of the guide rod (47) is fixedly connected to a pull block (46).

6. A spinning tunnel for producing high-strength polypropylene filaments according to claim 5, characterized in that: The guide rod (47) is sleeved with a spring (48), and the two ends of the spring (48) are respectively fixedly connected to the surfaces of the clamping frame (41) and the pulling block (46).

7. The spinning tunnel for producing high-strength polypropylene filament according to claim 3, characterized in that: The auxiliary device (5) comprises a limit rod (51), the limit rod (51) is fixedly connected to the surface of the extension tube (3), a sliding sleeve (52) is fixedly connected to the surface of the protective sleeve (42), one end of the limit rod (51) passes through the sliding sleeve (52), the sliding sleeve (52) slides on the surface of the limit rod (51), and one end of the limit rod (51) away from the extension tube (3) is fixedly connected to a protrusion (53).

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