Anti-falling type turnabout roller scraper assembly

The combined structure of the internal threaded cylindrical pin, retaining ring and bayonet pin solves the problem of loose bolts and nuts in the redirecting roller scraper assembly, achieving connection stability and efficient operation of the equipment.

CN223454685UActive Publication Date: 2025-10-21NUCLEAR IND YANTAI TONCIN IND GRP CO LTD
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Patent Information

Application Number
CN202422829942.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-20
Publication Date
2025-10-21
Estimated Expiration
2034-11-20

AI Technical Summary

Technical Problem

In existing redirecting roller scraper assemblies, bolts and nuts are easily loosened due to equipment vibration, resulting in falling off, affecting material yield and equipment efficiency.

Method used

It adopts the combined structure of internal thread cylindrical pin, retaining ring, bayonet and spring, and prevents loosening through thread connection and elastic positioning to ensure stable connection.

Benefits of technology

Effectively prevent bolts and nuts from falling off, improve equipment utilization efficiency and production efficiency, and reduce failure rate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of scraper installation structures, and particularly relates to an anti-falling type turnabout roller scraper assembly which comprises a scraper frame, a scraper plate is attached to the lower portion of the bent portion of the scraper frame, a scraper pressing plate is attached to the bottom of the scraper plate, and an internal thread cylindrical pin is connected into the scraper pressing plate in a sliding mode. The internal thread cylindrical pin penetrates through the scraper plate and is in sliding connection with the scraper plate, and a countersunk pin is in sliding connection with the interior of the scraper frame. The baffle ring with the round inside and the square outside is arranged at the tail end of the internal thread cylindrical pin and used for positioning the internal thread cylindrical pin in the scraper pressing plate, and the baffle ring is fixed in an auxiliary mode through the elastic clamping pin, so that loosening between the internal thread cylindrical pin and the countersunk pin can be effectively achieved, meanwhile, the connecting strength can be guaranteed, and the service life of the countersunk pin is prolonged. And the problem that the bolt and the nut fall off due to equipment vibration can be avoided, so that the equipment failure rate can be reduced, the use efficiency is improved, and the production efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to scraper installation structure technical field, concretely is a kind of anti-falling type change direction roller scraper assembly. BACKGROUND

[0002] Change direction roller scraper assembly of vertical filter press is important component, can play the function of scraping the material attached on the surface of change direction roller, guarantee the stability and fluency of change direction roller rotation.

[0003] The fixed form of scraper plate in the structure of existing change direction roller scraper assembly is bolt and nut connection form, this design can meet basic fixed requirement, but in the long-term operation process of equipment, bolt and nut are prone to loosening due to equipment vibration, and then bolt and nut fall off and other problems occur, fallen bolt and nut can drop into material or downstream equipment, if not found, it can cause material pollution, downstream equipment damage and other problems, affect material yield, reduce equipment use efficiency, reduce production efficiency and the like.

[0004] Therefore, the utility model designs a new structure, solves the problems of bolt and nut easy to fall off with minimum cost, reduces equipment failure rate, improves use efficiency and production efficiency. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of anti-falling type change direction roller scraper assembly, solve the problem that existing change direction roller scraper assembly adopts the installation mode of bolt and nut and is prone to loosening.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of anti-falling type change direction roller scraper assembly, including scraper holder, the bending part of the scraper holder is attached with scraper plate below, the bottom of the scraper plate is attached with scraper pressing plate, the inside of the scraper pressing plate is slidably connected with internal thread cylindrical pin, the internal thread cylindrical pin is connected with scraper plate and is slidably connected, the inside of the scraper holder is slidably connected with countersunk pin, the countersunk pin is connected by thread with internal thread cylindrical pin.

[0007] Preferably, the inside of the scraper plate is provided with through hole, and the internal thread cylindrical pin is located in the through hole. Through the setting of through hole, the internal thread cylindrical pin is convenient to enter.

[0008] Preferably, the end of the internal thread cylindrical pin is fixedly connected with the stop ring, and the stop ring is clamped with the scraper pressing plate. Through the setting of stop ring, the position of internal thread cylindrical pin on the scraper pressing plate is limited.

[0009] Preferably, the inside of the scraper pressing plate is slidably connected with the bayonet pin, and the bayonet pin is clamped with the stop ring. Through the setting of bayonet pin, the stop ring is auxiliary positioned.

[0010] Preferably, a spring is provided inside the scraper pressing plate, one end of the spring is fixedly connected to the bayonet, and the other end of the spring is fixedly connected to the inner surface of the scraper pressing plate. By providing the spring, elastic force can be applied to the bayonet.

[0011] Preferably, the upper portion of the pin body of the countersunk pin is sleeved with an apron, and the apron is slidably connected to the interior of the scraper frame. The provision of the apron reduces friction and mitigates impact between the countersunk pin and the scraper frame.

[0012] The beneficial effects of the utility model are as follows:

[0013] The utility model provides a retaining ring with an internally threaded cylindrical pin, which fits the scraper plate from the bottom, and the internally threaded cylindrical pin is inserted into the scraper plate. The countersunk pin is then inserted into the scraper frame and connected to the internally threaded cylindrical pin, so that the installation of the scraper plate is more convenient. In addition, a retaining ring with an inner circle and an outer square is provided at the end of the internally threaded cylindrical pin to position the internally threaded cylindrical pin in the scraper pressure plate, and the retaining ring is assisted in fixing by an elastic bayonet, which can effectively loosen the internally threaded cylindrical pin and the countersunk pin. At the same time, it can not only ensure the connection strength, but also avoid the problems of bolts and nuts falling off due to equipment vibration, thereby reducing the equipment failure rate, improving the utilization efficiency, and improving the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0015] Figure 2 For the utility model Figure 1 Front cross-sectional view of

[0016] Figure 3 For the utility model Figure 2 A magnified view of the structure at point A;

[0017] Figure 4 For the utility model Figure 1 Schematic diagram of the scraper frame structure;

[0018] Figure 5 For the utility model Figure 1 Schematic diagram of the scraper plate structure.

[0019] In the figure: 1. scraper frame; 2. scraper plate; 3. scraper pressure plate; 4. countersunk pin; 5. rubber ring; 31. internal threaded cylindrical pin; 32. retaining ring; 33. bayonet pin; 34. spring. DETAILED DESCRIPTION

[0020] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0021] Please refer to Figures 1-5 The present application discloses a kind of anti-falling type change direction roller scraper components, including scraper holder 1, the bending part of scraper holder 1 is attached with scraper plate 2 below, the bottom of scraper plate 2 is attached with scraper pressing plate 3, inner thread cylindrical pin 31 is slidably connected in the inside of scraper pressing plate 3, inner thread cylindrical pin 31 is connected with scraper plate 2 and is slidably connected, through hole is formed in the inside of scraper plate 2, and inner thread cylindrical pin 31 is located in through hole. Through the setting of through hole, it is convenient for the penetration of inner thread cylindrical pin 31.

[0022] Please refer to Figures 1-5 The inside of scraper holder 1 is slidably connected with counterbores 4, counterbores 4 are connected with inner thread cylindrical pin 31 by thread, the upper segment of the pin body of counterbores 4 is provided with rubber ring 5, and rubber ring 5 is slidably connected in the inside of scraper holder 1. Through the setting of rubber ring 5, it has the effect of reducing friction and reducing impact between counterbores 4 and scraper holder 1.

[0023] Please refer to Figures 2-3 The end of inner thread cylindrical pin 31 is fixedly connected with stop ring 32, stop ring 32 is inner circle outer square type, stop ring 32 is clamped with scraper pressing plate 3, through the setting of stop ring 32, it has the limiting effect of the position of inner thread cylindrical pin 31 on scraper pressing plate 3. The inside of scraper pressing plate 3 is slidably connected with bayonet 33, bayonet 33 is clamped with stop ring 32. Through the setting of bayonet 33, it has the effect of auxiliary positioning for stop ring 32. Spring 34 is arranged in the inside of scraper pressing plate 3, one end of spring 34 is fixedly connected with bayonet 33, the other end of spring 34 is fixedly connected to the inner surface of scraper pressing plate 3. Through the setting of spring 34, it can act on bayonet 33 with elastic force.

[0024] The specific implementation process of the utility model is as follows: in use, firstly, the internal thread cylindrical pin 31 is inserted into the scraper pressing plate 3 from the bottom, and the retaining ring 32 on the internal thread cylindrical pin 31 is clamped into the scraper pressing plate 3, and the retaining ring 32 can be elastically supported by the clamping pin 33 assisted positioning, then the scraper pressing plate 3 is attached to the bottom of the scraper plate 2, and the internal thread cylindrical pin 31 is inserted into the through hole in the scraper plate 2, then the scraper plate 2 is attached to the bending part of the scraper holder 1, and the countersunk pin 4 is inserted into the countersunk hole of the scraper holder 1, and is screwed with the internal thread cylindrical pin 31, so that the internal thread cylindrical pin 31 replacing the nut has a certain anti-loosening structure, which can not only ensure the overall connection strength, but also avoid the problems of bolt and nut falling off caused by equipment vibration, thereby reducing the equipment failure rate, improving the use efficiency and improving the production efficiency.

[0025] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A fall-off-proof turn roller doctor blade assembly comprising a doctor blade holder (1), characterized in that: The bending part of the scraper frame (1) is attached with a scraper plate (2), the bottom of the scraper plate (2) is attached with a scraper pressing plate (3), the inside of the scraper pressing plate (3) is slidably connected with an internally threaded cylindrical pin (31), the internally threaded cylindrical pin (31) penetrates the scraper plate (2) and is slidably connected with the scraper plate (2), the inside of the scraper frame (1) is slidably connected with a countersunk pin (4), and the countersunk pin (4) is threadedly connected with the internally threaded cylindrical pin (31).

2. A fall-prevention type turn roller doctor blade assembly according to claim 1, characterized in that: The inside of the scraper plate (2) is provided with a through hole, and the internally threaded cylindrical pin (31) is located in the through hole.

3. A fall-prevention type turn roller doctor blade assembly according to claim 1, characterized in that: The end of the internally threaded cylindrical pin (31) is fixedly connected with a retaining ring (32), and the retaining ring (32) is clamped with the scraper pressing plate (3).

4. A fall-prevention turn roller doctor blade assembly according to claim 2, characterized in that: The inside of the scraper pressing plate (3) is slidably connected with a clamping pin (33), and the clamping pin (33) is clamped with the retaining ring (32).

5. A fall-prevention turn roller doctor blade assembly according to claim 3, wherein: The inside of the scraper pressing plate (3) is provided with a spring (34), one end of the spring (34) is fixedly connected with the clamping pin (33), and the other end of the spring (34) is fixedly connected to the inner surface of the scraper pressing plate (3).

6. A fall-prevention turn roller doctor blade assembly according to claim 1, wherein: The pin body of the countersunk pin (4) is sleeved with a rubber ring (5), and the rubber ring (5) is slidably connected to the inside of the scraper frame (1).