Brake valve slide valve chamfer grinding device

Abstract

The utility model relates to a brake valve slide valve chamfer grinding device which comprises a box body, a rectangular open hole is formed in the top of the box body, a V-shaped plate is fixedly installed at the position of the rectangular open hole, an open groove is formed in the bottom of the V-shaped plate, and a grinding mechanism is arranged in the box body and located below the open groove of the V-shaped plate. The polishing mechanism comprises a mounting plate, a driving wheel and a driven wheel are mounted on the mounting plate, an annular abrasive belt is arranged between the driving wheel and the driven wheel in a sleeving mode and located under the open groove of the V-shaped plate, the driving wheel is connected with an output shaft of a motor fixedly mounted on the other side of the mounting plate, and the motor is electrically connected with a control panel and a control switch. Automatic rotation is achieved through an annular abrasive belt and an uninterruptible power source, the sliding valve is automatically polished, and 45-degree chamfers are formed on the two sides; the device is easy to operate, convenient to use and stable in safety performance, meets the technological requirement for slide valve chamfering grinding precision, reduces potential safety hazards of brake valve faults in the traveling process, improves working efficiency and saves maintenance cost.

Description

Technical Field

[0001] This utility model relates to grinding equipment, and more particularly to a grinding device for chamfering brake valve slide valve. Background Technology

[0002] The slide valve is a component of the brake valve of railway vehicles. The slide valve needs to be installed in the slide valve sleeve. In actual use, the bottom two sides of the slide valve need to retain chamfers. The chamfers are used for drainage or chip removal.

[0003] Currently, workers manually polish the slide valve on sandpaper, which results in low labor efficiency and insufficient polishing precision. Therefore, this application proposes an automatic and rapid polishing device for beveling and grinding brake valve slide valves. Summary of the Invention

[0004] Therefore, the purpose of this utility model is to provide a brake valve spool chamfering and grinding device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the following technical solution is adopted:

[0006] A brake valve spool chamfering and grinding device includes a housing, a rectangular opening at the top of the housing, a V-shaped plate fixedly installed at the rectangular opening, a groove at the bottom of the V-shaped plate, and a grinding mechanism inside the housing, which is located below the groove of the V-shaped plate.

[0007] The grinding mechanism includes a mounting plate on which a drive wheel and a driven wheel are mounted. An annular sanding belt is fitted between the drive wheel and the driven wheel. The annular sanding belt is located directly below the V-shaped plate groove. The drive wheel is connected to the output shaft of a motor that is fixedly mounted on the other side of the mounting plate. The motor is electrically connected to a control board and a control switch.

[0008] As a further improvement of this utility model, the mounting plate is vertically fixed on the base plate, and the base plate is connected to the bottom of the box by bolts and nuts. A compression spring is connected between the base plate and the bottom surface of the box, and the compression spring passes through the bolt. At the same time, the nut is welded to the upper part of the base plate.

[0009] As a further improvement of this utility model, an elongated opening is provided on the mounting plate. The shaft of the driven wheel passes through the elongated opening and is installed on the upper end of the adjustment plate on the other side of the mounting plate. The middle position of the adjustment plate is rotatably mounted on the mounting plate. The lower end of the adjustment plate is connected to one end of the tension spring, and the other end of the tension spring is fixed on the mounting plate. At the same time, the adjustment plate is attached to the side of the mounting plate.

[0010] As a further improvement of this utility model, a support plate is fixedly installed on the side of the mounting plate. The upper surface of the support plate is close to the lower surface of the upper travel belt of the annular sanding belt, providing support for grinding the chamfer of the slide valve.

[0011] As a further improvement of this utility model, the included angle between the V-shaped plates is 45°.

[0012] As a further improvement of this utility model, the control board is electrically connected to the motor and control switch through a rectifier. The rectifier is installed inside the housing, and the control switch is installed on the upper part of the housing. A baffle is fixedly welded inside the housing, which separates the control board and rectifier from the grinding mechanism.

[0013] As a further improvement of this utility model, foot pads are installed at the four corners of the bottom of the box.

[0014] The beneficial effects of this utility model are:

[0015] This invention uses an annular sanding belt with an uninterrupted power supply to achieve automatic rotation and automatically grind the slide valve to achieve a 45° chamfer on both sides. The device is easy to operate, convenient to use, and has stable safety performance. It meets the chamfering and grinding accuracy and 45° process requirements of the slide valve, reduces the safety hazards of brake valve failure during driving, improves work efficiency, and saves maintenance costs. Attached Figure Description

[0016] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings:

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the present invention;

[0019] Figure 3 This is a schematic diagram of the grinding mechanism in this utility model;

[0020] Figure 4 This is a schematic diagram of the back structure of the mounting plate in this utility model. Detailed Implementation

[0021] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0022] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0023] Please refer to Figure 1-4 A brake valve spool chamfering and grinding device includes a housing 1. A rectangular opening 11 is provided on the top of the housing 1. A V-shaped plate 2 is fixedly installed at the position of the rectangular opening 11. A groove 21 is provided at the bottom of the V-shaped plate 2. A grinding mechanism 3 is provided inside the housing 1 and is located below the groove 21 of the V-shaped plate 2. The included angle between the V-shaped plates 2 is 45°. Foot pads 8 are installed at the four corners of the bottom of the housing 1.

[0024] The grinding mechanism 3 includes a mounting plate 31, on which a drive wheel 32 and a driven wheel 33 are mounted. An annular sanding belt 34 is sleeved between the drive wheel 32 and the driven wheel 33. The annular sanding belt 34 is located directly below the slot 21 of the V-shaped plate 2. The drive wheel 32 is connected to the output shaft of a motor 35 fixedly mounted on the other side of the mounting plate 31. The motor 35 is electrically connected to the control plate 4 and the control switch 5.

[0025] Mounting plate 31 is vertically fixed on base plate 36. Base plate 36 is connected to the bottom of housing 1 by bolts 361 and nuts 362. A compression spring 37 is abutted between base plate 36 and bottom surface of housing 1. Compression spring 37 passes through bolt 361. At the same time, nut 362 is welded to the upper part of base plate 36. This structure provides a vertical adjustment mechanism for grinding mechanism 3.

[0026] The mounting plate 31 has an elongated opening 311. The shaft of the driven wheel 33 passes through the elongated opening 311 and is mounted on the upper end of the adjusting plate 37 on the other side of the mounting plate 31. The adjusting plate 37 is rotatably mounted on the mounting plate 31 at its middle position. The lower end of the adjusting plate 37 is connected to one end of the tension spring 38, and the other end of the tension spring 38 is fixed to the mounting plate 31. At the same time, the adjusting plate 37 is attached to the side of the mounting plate 31, providing a tension adjustment mechanism between the driving wheel 32 and the driven wheel 33.

[0027] A support plate 39 is fixedly installed on the side of the mounting plate 31. The upper surface of the support plate 39 is close to the lower surface of the upper travel belt of the annular sanding belt 34, providing support when grinding the chamfer of the slide valve.

[0028] The control board 4 is electrically connected to the motor 35 and the control switch 5 through the rectifier 7. The rectifier 7 is installed inside the housing 1, and the control switch 5 is installed on the upper part of the housing 1. A baffle 6 is fixedly welded inside the housing 1, which separates the control board 4 and the rectifier 7 from the grinding mechanism 3. The rectifier 7 converts the external 220V AC power into 24V DC power to provide power to the motor 35.

[0029] This device uses an annular sanding belt 34 with an uninterrupted power supply to achieve automatic rotation and automatically grind the slide valve to achieve a 45° chamfer on both sides. In use, the slide valve is placed in the V-shaped plate 2, and the edges that need to be ground are pressed onto the annular sanding belt 34 through the slot 21 for continuous grinding.

[0030] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A brake valve spool chamfer grinding apparatus comprising a housing, characterized by, The box top is provided with a rectangular opening, and a V-shaped plate is fixedly installed at the position of the rectangular opening. The V-shaped plate is provided with a slot at the bottom. A polishing mechanism is arranged inside the box and located below the slot of the V-shaped plate. The polishing mechanism comprises a mounting plate, a driving wheel and a driven wheel installed on the mounting plate, and an annular sand belt sleeved between the driving wheel and the driven wheel. The annular sand belt is located directly below the slot of the V-shaped plate. The driving wheel is connected with the output shaft of a motor fixedly installed on the other side of the mounting plate. The motor is electrically connected with a control board and a control switch.

2. The brake valve spool chamfer grinding apparatus of claim 1, wherein, The mounting plate is vertically fixed on a bottom plate. The bottom plate is connected with the bottom of the box through bolts and nuts. A compression spring is in abutment between the bottom plate and the bottom surface of the box. The compression spring is arranged on the bolt. Meanwhile, the nut is welded on the upper portion of the bottom plate.

3. The brake valve spool chamfer grinding apparatus of claim 1, wherein, A long hole is formed in the mounting plate. The rotating shaft of the driven wheel passes through the long hole and is installed on the upper end of an adjusting plate on the other side of the mounting plate. The adjusting plate is rotatably installed at the middle position of the mounting plate. The lower end of the adjusting plate is connected with one end of a tension spring. The other end of the tension spring is fixed on the mounting plate. Meanwhile, the adjusting plate is attached to the side surface of the mounting plate.

4. The brake valve spool chamfer grinding apparatus of claim 1, wherein, A supporting plate is fixedly installed on the side surface of the mounting plate. The upper surface of the supporting plate is close to the lower surface of the annular sand belt, thereby providing support for polishing the chamfer of the sliding valve.

5. The brake valve spool chamfer grinding apparatus of claim 1, wherein, The included angle between the V-shaped plates is 45°.

6. The brake valve spool chamfer grinding apparatus of claim 1, wherein, The control board is electrically connected with the motor and the control switch through a rectifier. The rectifier is installed inside the box. The control switch is installed on the upper portion of the box. A baffle is fixedly and weldedly arranged in the box, thereby separating the control board and the rectifier from the polishing mechanism.

7. The brake valve spool chamfer grinding apparatus of claim 1, wherein, Foot pads are installed at the four corner positions of the bottom of the box.

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