CN209909024U

CN209909024U - Braking device for paper conveying roller

Info

Publication number: CN209909024U
Application number: CN201920706825.3U
Authority: CN
Inventors: 沈文彪
Original assignee: Huzhou Nanxun Xufeng Machinery Co Ltd
Current assignee: Huzhou Nanxun Xufeng Machinery Co Ltd
Priority date: 2019-05-16
Filing date: 2019-05-16
Publication date: 2020-01-07
Anticipated expiration: 2029-05-16

Abstract

The utility model discloses a arresting gear for paper conveying roller, including brake disc and braking piece, still include the tympany, be equipped with a plurality of cavitys in the tympany, be equipped with the piston that is used for driving the braking piece in the cavity, piston and tympany sliding connection, braking piece and piston fixed connection, still be equipped with the fan on the tympany, fan and tympany fixed connection. The beneficial effect of this application: the heat dissipation area of the braked brake pad is increased by simultaneously braking a plurality of small brake pads, so that the heat dissipation of the brake pad is accelerated, and the braking performance is improved; the cooling fan is additionally arranged on the air drum and used for cooling the brake pad, so that the heat dissipation rate of the brake pad is further increased.

Description

Braking device for paper conveying roller

Technical Field

The application belongs to the field of machining equipment, and particularly relates to a braking device for a paper conveying roller.

Background

With the development of technology, the modernization level of the manufacturing industry is continuously improved, and corrugated paper is widely applied to production and life as a main raw material for daily packaging; corrugated paper need carry through conveying mechanism at the in-process of processing, and conveying mechanism goes up the conveying roller and need frequently brake, uses for a long time down, and arresting gear's heat can produce and pile up, and braking effect can appear obviously declining, influences paper processingquality.

Disclosure of Invention

In view of this, the technical problem to be solved by the present application is to provide a braking device for a paper conveying roller, which effectively alleviates the phenomenon of braking efficiency reduction caused by long-time use, and improves the quality of paper processing.

In order to solve the technical problem, the application discloses a braking device for a paper conveying roller, which comprises a brake disc, a brake pad and an air drum, wherein a plurality of cavities are arranged in the air drum, a piston used for driving the brake pad is arranged in each cavity, the piston is connected with the air drum in a sliding mode, the brake pad is fixedly connected with the piston, a fan is further arranged on the air drum, and the fan is fixedly connected with the air drum.

More preferably: the cavity is internally provided with a clamp spring, the clamp spring is provided with a baffle plate for stopping the piston, the piston is further sleeved with a return spring, one end of the return spring is connected with the piston, and the other end of the return spring is fixedly connected with the baffle plate.

More preferably: still be equipped with the mounting groove on the piston, be equipped with the sealing washer in the mounting groove, sealing washer and piston fixed connection.

More preferably: the fan is also provided with a protective shell, and the protective shell is fixedly connected with the air drum.

More preferably: the piston is internally provided with a groove, the groove is internally provided with a clamping piece, the brake piece is provided with a convex block matched with the groove, and the brake piece is fixedly connected with the piston through the clamping piece.

Compared with the prior art, the application can obtain the following technical effects:

1) the heat dissipation area of the braked brake pad is increased by simultaneously braking a plurality of small brake pads, so that the heat dissipation of the brake pad is accelerated, and the braking performance is improved;

2) the cooling fan is additionally arranged on the air drum and used for cooling the brake pad, so that the heat dissipation rate of the brake pad is further increased.

Of course, it is not necessary for any product to achieve all of the above-described technical effects simultaneously.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application with two air drums removed;

fig. 2 is a general structural sectional view of an embodiment of the present application.

The notation in the figure is: 1. brake disc, 2, braking piece, 3, gas drum, 4, piston, 5, fan, 6, jump ring, 7, baffle, 8, reset spring, 9, sealing washer, 10, protective housing, 11, card.

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

As shown in fig. 1 and 2, the braking device for a paper conveying roller according to an embodiment of the present invention includes a brake disc 1 and a brake pad 2, the brake disc 1 is coaxially connected to a roller shaft of the paper conveying roller, the brake pad 2 is multiple and is disposed on two sides of the brake disc 1, specifically: the brake device also comprises an air drum 3, the air drum 3 is annular and is formed by splicing the same six parts, two cavities are arranged in each part of the air drum 3, the air drums 3 of the upper part and the lower part are communicated with each other, and the air drum at the upper end is provided with an air inlet; be equipped with the piston 4 that is used for driving braking piece 2 motion in the cavity, the one end and the braking piece fixed connection of piston 4, the cavity of other end cooperation air drum 3 forms an air cavity, the outside of air drum 3 still is equipped with fan 5, fan 5's outside still is equipped with the protective housing 10, protective housing 10 is the round platform type and passes through the mode fixed connection of bolt or buckle with air drum 3, fan 5 passes through bolt fixed connection with air drum 3.

The specific installation mode of the piston 4 is as follows: firstly, arranging a mounting groove on the piston 4, arranging a sealing ring 9 in the mounting groove, and fixedly connecting the sealing ring 9 with the piston 4 through glue; then, a return spring 8 is sleeved on the periphery of the piston 4, the return spring 8 is used for pushing the piston 4 to return to an initial position after braking is finished, and the return spring 8 and the piston 4 can be fixedly connected or directly placed in a clamping groove outside the piston 4 and not fixedly connected with the piston 4; then, a baffle 7 for stopping the piston 4 is arranged in the cavity, and the baffle 7 and the return spring 8 are fixedly connected through glue or welding or the return spring 8 is directly placed on the baffle 7; finally, a clamp spring 6 is arranged in the cavity, the clamp spring 6 mainly plays a role in fixing, and the clamp spring 6 is in interference fit with the cavity.

In order to facilitate the disassembly and assembly of the brake piece 2, a groove is formed in the piston 4, a clamping piece 11 is arranged in the groove, the clamping piece 11 is V-shaped and is fixedly connected with the groove, a convex block matched with the groove is arranged on the brake piece 2, and when the brake piece 2 is installed, the convex block is only required to be clamped into the clamping piece 11.

The beneficial effect of this application: the heat dissipation area of the braked brake pad is increased by simultaneously braking a plurality of small brake pads, so that the heat dissipation of the brake pad is accelerated, and the braking performance is improved; the cooling fan is additionally arranged on the air drum and used for cooling the brake pad, so that the heat dissipation rate of the brake pad is further increased.

While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. A braking device for a sheet conveying roller, comprising a brake disc (1) and a brake pad (2), characterized in that: the brake disc is characterized by further comprising an air drum (3), a plurality of cavities are formed in the air drum (3), a piston (4) used for driving a brake disc (2) is arranged in each cavity, the piston (4) is connected with the air drum (3) in a sliding mode, the brake disc (2) is fixedly connected with the piston (4), a fan (5) is further arranged on the air drum (3), and the fan (5) is fixedly connected with the air drum (3).

2. The braking device for a sheet conveying roller according to claim 1, characterized in that: be equipped with jump ring (6) in the cavity, be equipped with baffle (7) that are used for backstop piston (4) on jump ring (6), piston (4) still overlaps outward and is equipped with reset spring (8), the one end and the piston (4) of reset spring (8) are connected, the other end and baffle (7) fixed connection.

3. The braking device for a sheet conveying roller according to claim 2, characterized in that: still be equipped with the mounting groove on piston (4), be equipped with sealing washer (9) in the mounting groove, sealing washer (9) and piston (4) fixed connection.

4. The braking device for a sheet conveying roller according to claim 1, characterized in that: the fan (5) is also externally provided with a protective shell (10), and the protective shell (10) is fixedly connected with the air drum (3).

5. The braking device for a sheet conveying roller according to claim 3, characterized in that: the brake disc is characterized in that a groove is formed in the piston (4), a clamping piece (11) is arranged in the groove, a convex block matched with the groove is arranged on the brake disc (2), and the brake disc (2) is fixedly connected with the piston (4) through the clamping piece (11).