TPU (thermoplastic polyurethane) film tape casting filter assembly tool

By combining the clamping cylinder and the assembly frame, the problems of low manual assembly efficiency and easy damage to the screen plate in TPU film casting filters are solved, achieving high efficiency, stable nesting and compactness of the filter screen plate.

CN224012181UActive Publication Date: 2026-03-20JIANGSU TUYAN NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202520827921.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-28
Publication Date
2026-03-20
Estimated Expiration
2035-04-28

AI Technical Summary

Technical Problem

The filter screens of TPU film casting filters are inefficient to assemble manually and are easily damaged, making it difficult to achieve density.

Method used

The structure adopts a combination of a clamping cylinder, an assembly frame, and a filter cover. The clamping cylinder drives the assembly frame to press down, achieving a tight nesting of the filter screen plate. Combined with the surface fit between the filter cover and the screen plate, the stability and efficiency of the clamping process are ensured.

Benefits of technology

It improves the pressing efficiency and density of the filter screen plate, saves manpower, is easy to operate, and ensures the stability and efficiency of the assembly process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an assembly tool for a TPU (thermoplastic polyurethane) film tape casting filter. The filter comprises a filter base, a central rod body and a filter sieve plate, wherein the central rod body is vertically arranged at the central position of the filter base, and the filter sieve plate is nested on the central rod body; the pressing device is characterized by comprising a pressing rack, an assembly frame and a filter pressing cover, according to the utility model, on one hand, the pressing cylinder is matched with the assembly frame to tightly press the filter sieve plate nested on the central rod body, so that the labor is saved, and the operation is convenient; on the other hand, the filter pressing cover structure is arranged to ensure that the molded surface of the filter pressing cover is attached to the top surface of the filter sieve plate, so that the stability in the pressing process is ensured; the adopted assembly frame structure can be matched with the pressing cylinder to adjust the overall stroke, the pressing effect of the filter screen plate is guaranteed, the assembly frame structure can be rapidly matched with a filter pressing cover in a positioning mode, the pressing efficiency of the filter screen plate is higher, and compactness is better.
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Description

Technical Field

[0001] This utility model relates to the field of TPU film processing technology, and in particular to a TPU film casting and molding filter assembly fixture. Background Technology

[0002] TPU film cast-molded filters are mainly used for filtering TPU material in a fluid molten state. Their filter structure consists of a central rod with several nested filter screens. Since the filter screens are nested on the central rod, they need to be compacted to ensure density. Conventional manual nesting assembly methods are inefficient and easily damage the mesh structure on the filter screen surface, making it difficult to achieve a dense effect. Therefore, a specialized assembly fixture for TPU film cast-molded filters is needed to achieve rapid and stable assembly of the filter screens on the central rod. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide an assembly tooling for TPU film casting filter, which can solve the problems of time-consuming, labor-intensive, inefficient, and easily damaged filter screen plates caused by manual assembly of general TPU film casting filters.

[0004] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows: a TPU film casting and molding filter assembly fixture, the filter includes a filter base, a central rod vertically arranged at the center of the filter base, and a filter screen plate nested on the central rod; its innovation lies in: including a pressing frame, an assembly frame, and a filter cover;

[0005] The clamping frame includes a base, columns, a top beam, and a clamping cylinder. The base is horizontally placed on the ground, and a cavity for placing a filter base is provided at the center of the upper surface of the base. The bottom end of the cavity has several bolt holes in a ring shape for connecting to the filter base. The columns are a pair and are vertically arranged on the upper surface of the base, located on both sides of the cavity. The top beam is horizontally placed at the top of the columns, and a mounting hole for installing the clamping cylinder is opened at the center of the top beam. The clamping cylinder is vertically arranged in the mounting hole, the output end of the clamping cylinder extends to the bottom of the top beam, and the clamping cylinder is located directly above the cavity.

[0006] The assembly frame includes a chassis, extension rods, a top plate, and a clamping cylinder connector; the chassis has a ring-shaped structure with a positioning hole at the center; the extension rods are several and vertically arranged on the surface of the chassis; the top plate is parallel to the chassis and has a connection hole at its center; the clamping cylinder connector is located at the connection hole on the top plate; the clamping cylinder connector is connected to the output end of the clamping cylinder.

[0007] The filter cover is an arc-shaped shell, and a guide hole is provided at the center of the filter cover to accommodate the passage of the central rod. The inner wall of the filter cover has a profile that fits the outer contour of the filter screen plate. The outer surface of the filter cover is positioned and fitted with the lower surface of the chassis. The mounting frame is pressed down by the clamping cylinder, thereby driving the filter cover fitted on the lower surface of the chassis to press down and achieve a tight overlap of the filter screen plate nested on the central rod.

[0008] Furthermore, the bottom end of the clamping cylinder connector is provided with a screw rod that passes through the connecting hole on the top plate and is locked and fixed to the top plate by a nut.

[0009] Furthermore, the upper surface of the filter cover is provided with an annular protrusion, which is embedded in the positioning hole at the center of the chassis.

[0010] The advantages of this utility model are:

[0011] 1) In this utility model, on the one hand, a clamping cylinder is used in conjunction with an assembly frame to tightly clamp the filter screen plate nested on the central rod, saving manpower and making operation convenient; on the other hand, a filter cover structure is set to ensure that the profile of the filter cover fits the top surface of the filter screen plate, thereby ensuring stability during the clamping process; the assembly frame structure can be used in conjunction with the clamping cylinder to adjust the overall stroke, ensuring the clamping effect of the filter screen plate, and can quickly position and cooperate with the filter cover, making the clamping efficiency of the filter screen plate higher and the density better. Attached Figure Description

[0012] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0013] Figure 1 This is a schematic diagram of the assembly tooling for a TPU film casting filter according to the present invention. Detailed Implementation

[0014] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0015] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0016] like Figure 1 The TPU film casting filter assembly fixture shown includes a filter base 1, a central rod 2 vertically disposed at the center of the filter base 1, and a filter screen plate 3 nested on the central rod 2; it also includes a pressing frame 4, an assembly frame 5, and a filter cover 6.

[0017] The clamping frame 4 includes a base 41, a column 42, a top beam 43, and a clamping cylinder 44. The base 41 is horizontally placed on the ground, and a cavity for placing the filter base 1 is provided at the center of the upper surface of the base 41. The bottom end of the cavity has several bolt holes connected to the filter base 1 in a ring shape. The column 42 has a pair and is vertically arranged on the upper surface of the base 41 and located on both sides of the cavity. The top beam 43 is horizontally arranged at the top of the column 42, and a mounting hole for installing the clamping cylinder is opened at the center of the top beam 43. The clamping cylinder 44 is arranged vertically in the mounting hole, and the output end of the clamping cylinder 44 extends to the bottom of the top beam 43 and is located directly above the cavity.

[0018] The assembly frame 5 includes a chassis 51, extension rods 52, a top plate 53, and a clamping cylinder connector 54. The chassis 51 has a ring-shaped structure with a positioning hole at the center. Several extension rods 52 are vertically arranged on the surface of the chassis 51. The top plate 53 is parallel to the chassis 51 and has a connection hole at the center. The clamping cylinder connector 54 is located at the connection hole on the top plate. The clamping cylinder connector 54 is connected to the output end of the clamping cylinder 44.

[0019] The filter cover 6 is an arc-shaped shell, and a guide hole for the central rod to pass through is provided at the center of the filter cover 6; the inner wall of the filter cover 6 has a profile that fits the outer contour of the filter screen plate; the outer surface of the filter cover 6 is positioned and fitted with the lower surface of the chassis, and the mounting frame is pressed down by the clamping cylinder 44, thereby driving the filter cover 6 fitted on the lower surface of the chassis 51 to press down and achieve the tight overlap of the filter screen plate 3 nested on the central rod 2.

[0020] The bottom end of the clamping cylinder connector 54 is provided with a screw rod, which passes through the connecting hole on the top plate and is locked and fixed to the top plate 53 by a nut.

[0021] The upper surface of the filter cover 6 is provided with an annular protrusion, which is embedded in the positioning hole at the center of the chassis 51.

[0022] The working principle of this utility model is as follows: On the one hand, a clamping cylinder is used in conjunction with an assembly frame to tightly clamp the filter screen plate nested on the central rod, saving manpower and making operation convenient; on the other hand, a filter cover structure is set to ensure that the profile of the filter cover fits the top surface of the filter screen plate, thereby ensuring stability during the clamping process; the assembly frame structure can be used in conjunction with the clamping cylinder to adjust the overall stroke, ensuring the clamping effect of the filter screen plate, and can quickly position and cooperate with the filter cover, making the clamping efficiency of the filter screen plate higher and the density better.

[0023] Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of this utility model as claimed.

Claims

1. A TPU film casting filter assembly fixture, the filter comprising a filter base, a central rod vertically disposed at the center of the filter base, and a filter screen plate nested on the central rod; characterized in that: Includes the pressing frame, assembly frame, and filter press cover; The clamping frame includes a base, columns, a top beam, and a clamping cylinder. The base is horizontally placed on the ground, and a cavity for placing a filter base is provided at the center of the upper surface of the base. The bottom end of the cavity has several bolt holes in a ring shape for connecting to the filter base. The columns are a pair and are vertically arranged on the upper surface of the base, located on both sides of the cavity. The top beam is horizontally placed at the top of the columns, and a mounting hole for installing the clamping cylinder is opened at the center of the top beam. The clamping cylinder is vertically arranged in the mounting hole, the output end of the clamping cylinder extends to the bottom of the top beam, and the clamping cylinder is located directly above the cavity. The assembly frame includes a chassis, extension rods, a top plate, and a clamping cylinder connector; the chassis has a ring-shaped structure with a positioning hole at the center; the extension rods are several and vertically arranged on the surface of the chassis; the top plate is parallel to the chassis and has a connection hole at its center; the clamping cylinder connector is located at the connection hole on the top plate; the clamping cylinder connector is connected to the output end of the clamping cylinder. The filter cover is an arc-shaped shell, and a guide hole is provided at the center of the filter cover to accommodate the passage of the central rod. The inner wall of the filter cover has a profile that fits the outer contour of the filter screen plate. The outer surface of the filter cover is positioned and fitted with the lower surface of the chassis. The mounting frame is pressed down by the clamping cylinder, thereby driving the filter cover fitted on the lower surface of the chassis to press down and achieve a tight overlap of the filter screen plate nested on the central rod.

2. The TPU film casting filter assembly fixture according to claim 1, characterized in that: The bottom end of the clamping cylinder connector is provided with a screw rod that passes through the connecting hole on the top plate and is locked and fixed to the top plate by a nut.

3. The TPU film casting filter assembly fixture according to claim 1, characterized in that: The upper surface of the filter cover is provided with an annular protrusion, which is embedded in the positioning hole at the center of the chassis.