Internal water mist drainage structure of protective cover of grinding machine

Abstract

The utility model relates to the technical field of grinding machine waterproofing, in particular to an internal water mist drainage structure of a grinding machine protective cover, which comprises a driven roller, an abrasive belt, a driving roller and a protective cover fixed on a grinding machine frame, and the driven roller is connected with the driving roller through the abrasive belt; the diameter of the driving roller is larger than that of the driven roller, the two sides of the protective cover are each provided with two photoelectric windows matched with the abrasive belt, and the width of the abrasive belt is smaller than the center distance between the two photoelectric windows. Drainage grooves are formed in the two inner sides of the protective cover, and the cross section of each drainage groove is in an inverted V shape; baffles are arranged at the two ends of the drainage groove and fixed to the inner side wall of the protective cover. When the device is used, water mist is easier to gather to the drain outlet to be discharged; dust or other dirt is prevented from being accumulated in the protective cover throughout the year, so that normal operation of equipment is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of waterproof technology for sanding machines, and in particular to an internal water mist drainage structure for a protective cover of a sanding machine. Background Technology

[0002] When processing metal workpieces, it is necessary to remove surface defects, pits, scratches, and old coatings to make the surface smoother and more uniform. Therefore, a sanding machine is needed to sand them.

[0003] A sander typically consists of a rotating grinding wheel or belt; such as Figure 1 As shown, workpiece 9 is conveyed to the sanding belt via conveyor belt 10. At this point, workpiece 9 is clamped by conveyor belt 10 and the sanding belt and can continue moving forward. The sanding belt then grinds workpiece 9. Grinding fluid needs to be added during the grinding process to ensure that the workpiece is not damaged. Therefore, a protective cover is currently installed around the sanding belt of the grinding machine. The main function of this cover is to prevent water or dust from splashing during the grinding process. However, the cover lacks a drainage structure, causing water and dust to splash inside without proper drainage. This results in a large accumulation of dust and other dirt inside the cover over the years.

[0004] Therefore, it is necessary to further innovate the internal drainage structure of the protective cover. Utility Model Content

[0005] The purpose of this utility model is to address the defects and shortcomings of the existing technology by providing an internal water mist drainage structure for a sanding machine protective cover with an internal drainage structure.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0007] The present invention discloses an internal water mist guiding structure for a sanding machine protective cover, comprising a driven roller, a sanding belt, a driving roller, and a protective cover fixed on the sanding machine frame. The driven roller is connected to the driving roller via the sanding belt. The diameter of the driving roller is larger than that of the driven roller. Two photoelectric windows matching the sanding belt are provided on both sides of the protective cover, and the width of the sanding belt is smaller than the center distance between the two photoelectric windows. A water mist guiding groove is provided on both inner sides of the protective cover, and the cross-section of the water mist guiding groove is in the shape of "∧". Baffles are provided at both ends of the water mist guiding groove, and the baffles are fixed to the inner wall of the protective cover.

[0008] Furthermore, the drainage channel is composed of a first drainage plate, a second drainage plate, and a third drainage plate connected in sequence; the included angle between the second drainage plate and the third drainage plate is 110°. 0 Up to 130 0 The first drainage plate is fixed on the inner wall of the protective cover.

[0009] Furthermore, the inner side of the protective cover is provided with a photoelectric window edging that matches the photoelectric window. The cross-section of the photoelectric window is rectangular, and the photoelectric window edging is cylindrical. The cross-section of the photoelectric window edging is larger than the cross-section of the photoelectric window.

[0010] Furthermore, one end of the photoelectric window surround is provided with a reverse edge.

[0011] Furthermore, the top of the protective cover is provided with several lifting lugs.

[0012] The beneficial effects of this utility model after adopting the above structure are as follows: The internal water mist diversion structure of the protective cover of the sander described in this utility model includes a driven roller, a sanding belt, a driving roller, and a protective cover fixed on the sander frame. The driven roller is connected to the driving roller through the sanding belt. The diameter of the driving roller is larger than the diameter of the driven roller. Two photoelectric windows matching the sanding belt are provided on both sides of the protective cover. The width of the sanding belt is smaller than the center distance between the two photoelectric windows. Drainage grooves are provided on both inner sides of the protective cover. The cross-section of the drainage grooves is "∧". Baffles are provided at both ends of the drainage grooves. The baffles are fixed on the inner wall of the protective cover. When using this invention, most of the grinding fluid, metal powder, and abrasive grains from the abrasive belt will leave the belt at the location of the drive roller. The mixture leaving the belt will be atomized into water mist. The water mist first adheres to the inside of the protective cover and flows down. Then, it flows through the drainage channel to the left and right ends of the protective cover. Finally, it is discharged from the drain outlet formed by the baffle and the end of the drainage channel. The baffle also has the function of drainage and collection, making it easier for the water mist to accumulate and be discharged from the drain outlet. This prevents dust or other dirt from accumulating inside the protective cover over the years, thereby ensuring the normal operation of the equipment. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the protective cover.

[0015] Figure 3 yes Figure 2 Sectional view of AA;

[0016] Explanation of reference numerals in the attached figures:

[0017] 1. Driven roller; 2. Sanding belt; 3. Driven roller; 4. Protective cover; 4-1. Photoelectric window;

[0018] 5. Drainage channel; 5-1. First drainage plate; 5-2. Second drainage plate; 5-3. Third drainage plate;

[0019] 6. Photoelectric window edging; 6-1. Reverse edge; 7. Lifting lug; 8. Baffle; 9. Workpiece;

[0020] 10. Conveyor belt; α, included angle. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings.

[0022] like Figures 1 to 2 As shown, the internal water mist guiding structure of the protective cover of the sanding machine of this utility model includes a driven roller 1, a sanding belt 2, a driving roller 3, and a protective cover 4 fixed on the sanding machine frame. The driven roller 1 is connected to the driving roller 3 through the sanding belt 2. The driving roller 3 is driven to rotate by a motor. The fixing method and working principle of the driven roller 1, sanding belt 2, driving roller 3 and motor are not fundamentally different from the prior art.

[0023] Two photoelectric windows 4-1 matching the sanding belt 2 are provided on both sides of the protective cover 4. The width of the sanding belt 2 is less than the center distance between the two photoelectric windows 4-1. A photoelectric switch sensor matching the photoelectric window 4-1 is provided on the sanding machine frame. The light from the photoelectric switch sensor passes through the photoelectric window 4-1 and the photoelectric window surround 6 and then shines on the outside of the sanding belt 2. When the sanding belt 2 deviates, the light from the photoelectric switch sensor will be blocked by the sanding belt 2, thereby triggering an alarm. The application of the photoelectric switch sensor is not fundamentally different from the existing technology, so the specific principle of the photoelectric switch sensor will not be described in detail here.

[0024] The diameter of the driving roller 3 is larger than that of the driven roller 1. Both inner sides of the protective cover 4 are provided with a flow channel 5, and the cross-section of the flow channel 5 is in the shape of "∧". Both ends of the flow channel 5 are provided with a baffle 8, and the baffle 8 is fixed on the inner wall of the protective cover 4. The ends of the baffle 8 and the flow channel 5 form a sewage outlet.

[0025] like Figure 1 As shown, workpiece 9 is conveyed to the sanding belt 2 via conveyor belt 10. At this time, workpiece 9 is clamped by conveyor belt 10 and sanding belt 2 and can continue to move forward, thus the sanding belt 2 performs grinding on workpiece 9. A portion of the grinding fluid, metal powder, and abrasive particles of the sanding belt (hereinafter referred to as the mixture) will rise with the sanding belt 2. Since the diameter of the driving roller 3 is larger than the diameter of the driven roller 1, the centrifugal force of the sanding belt 2 is the greatest when it reaches the driving roller 3. The mixture is naturally most easily thrown away from the sanding belt 2 at the position of the driving roller 3. The mixture leaving the sanding belt 2 will be atomized into water mist. The water mist first adheres to the inside of the protective cover 4 and is guided down. Then, the water mist is guided to the left and right ends of the protective cover 4 through the diversion groove 5. Finally, it is discharged from the drain outlet formed by the baffle 8 and the end of the diversion groove 5. The baffle 8 also has the function of diversion and collection, making it easier for the water mist to accumulate and be discharged to the drain outlet. This prevents dust or other dirt from accumulating inside the protective cover 4 all year round, thereby ensuring the normal operation of the equipment.

[0026] like Figure 3As shown, the diversion channel 5 consists of a first diversion plate 5-1, a second diversion plate 5-2, and a third diversion plate 5-3 connected in sequence. To enable the diversion channel 5 to collect water mist more effectively, the included angle α between the second diversion plate 5-2 and the third diversion plate 5-3 is 110°. 0 Up to 130 0 In this invention, the included angle α is preferably 120 degrees; the first diversion plate 5-1 is fixed on the inner wall of the protective cover 4. That is, water mist is collected by increasing the effective contact surface.

[0027] To prevent the mixture from being discharged outside the protective cover 4 through the photoelectric window 4-1, a photoelectric window surround 6 matching the photoelectric window 4-1 is provided on the inner side of the protective cover 4. The cross-section of the photoelectric window 4-1 is rectangular, and the photoelectric window surround 6 is cylindrical. The cross-section of the photoelectric window surround 6 is larger than the cross-section of the photoelectric window 4-1.

[0028] As a preferred embodiment of this utility model, in order to improve the prevention of the mixture from being discharged outside the protective cover 4 through the photoelectric window surround 6, a reverse edge 6-1 is provided at one end of the photoelectric window surround 6.

[0029] As a preferred embodiment of this utility model, a plurality of lifting lugs 7 are provided at the top of the protective cover 4. Preferably, there are two lifting lugs 7, which facilitates the operator to disassemble and assemble the protective cover 4.

[0030] When using this invention, most of the grinding fluid, metal powder, and abrasive grains from the abrasive belt will leave the belt at the location of the drive roller. The mixture leaving the belt will be atomized into water mist. The water mist first adheres to the inside of the protective cover and flows down. Then, it flows through the drainage channel to the left and right ends of the protective cover, and finally discharges from the drain outlet formed by the baffle and the end of the drainage channel. The baffle also has the function of drainage and collection, making it easier for the water mist to accumulate and be discharged from the drain outlet. This prevents dust or other dirt from accumulating inside the protective cover over the years, thus ensuring the normal operation of the equipment. It also prevents grinding fluid, metal powder, and abrasive grains from being discharged outside the protective cover through the photoelectric window. It also facilitates the disassembly and assembly of the protective cover by operators.

[0031] The above description is only a preferred embodiment of the present utility model. Therefore, all equivalent changes or modifications made to the structure, features and principles described in the claims of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. An internal water mist guiding structure for a sanding machine protective cover, comprising a driven roller (1), a sanding belt (2), a driving roller (3), and a protective cover (4) fixed on the sanding machine frame, wherein the driven roller (1) is connected to the driving roller (3) via the sanding belt (2), characterized in that: The diameter of the active roller (3) is larger than the diameter of the driven roller (1). Two photoelectric windows (4-1) matching the sand belt (2) are provided on both sides of the protective cover (4). The width of the sand belt (2) is smaller than the center distance between the two photoelectric windows (4-1). The protective cover (4) is provided with drainage channels (5) on both inner sides. The cross-section of the drainage channel (5) is "∧". Both ends of the drainage channel (5) are provided with baffles (8), which are fixed on the inner wall of the protective cover (4).

2. The internal water mist drainage structure of a sander protective cover according to claim 1, characterized in that: The diversion channel (5) is composed of a first diversion plate (5-1), a second diversion plate (5-2), and a third diversion plate (5-3) connected in sequence; the included angle (α) between the second diversion plate (5-2) and the third diversion plate (5-3) is 110°. 0 Up to 130 0 The first drainage plate (5-1) is fixed on the inner wall of the protective cover (4).

3. The internal water mist drainage structure of a sander protective cover according to claim 1, characterized in that: The inner side of the protective cover (4) is provided with a photoelectric window surround (6) that matches the photoelectric window (4-1). The cross-section of the photoelectric window (4-1) is rectangular, and the photoelectric window surround (6) is cylindrical. The cross-section of the photoelectric window surround (6) is larger than the cross-section of the photoelectric window (4-1).

4. The internal water mist drainage structure of a sander protective cover according to claim 3, characterized in that: One end of the photoelectric window surround (6) is provided with a reverse edge (6-1).

5. The internal water mist drainage structure of a sander protective cover according to any one of claims 1 to 4, characterized in that: The top of the protective cover (4) is provided with several hanging lugs (7).

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