Bench drilling machine protection device

Abstract

The utility model relates to the technical field of bench drilling machines, and discloses a bench drilling machine protection device which comprises a frame body and a bench drilling main body arranged on one side of the frame body, a movable cavity is formed in the frame body, and a machining table is fixed to the middle of the frame body through a fixing frame. A concentric-square-shaped notch surrounding the machining table is formed between the frame body and the machining table, a concentric-square-shaped baffle is arranged in the concentric-square-shaped notch in a sliding and lifting mode, and the frame body is provided with an adjusting assembly driving the concentric-square-shaped baffle to ascend and descend. The utility model has the following advantages and effects: the concentric-square-shaped baffle is convenient to lift relative to the processing table in the concentric-square-shaped notch to shield and protect the four sides of a workpiece during processing, so that the potential safety hazard is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of table-type drilling machines, in particular to a protective device for table-type drilling machines. Background Art

[0002] A bench drill is a small drill that can be placed on a workbench with a vertically arranged spindle. The diameter of a hole drilled by a bench drill is generally less than 13 mm and generally does not exceed 25 mm. The spindle speed change is generally achieved by changing the position of the V-belt on the tower pulley, and the spindle feed is manually operated. At present, most bench drills do not have protective devices when they are in use. When the drill is working, the sputtering waste chips may cause harm to the staff, and it is not convenient to install or remove the protective device.

[0003] A Chinese patent with authorization announcement number CN220920993U discloses a protective mechanism for a bench-type drilling machine, including a base, a bench drill body is arranged on the top of the base near one end, a fixed frame is arranged on the top of the base, and a groove is also provided on the top of the base near the fixed frame, a baffle is arranged at one end of the processing table, a T-block is arranged on the side of the baffle, the T-block is fixedly installed with a T-slot provided on one end face of the processing table, and a collection box is arranged on one side of the base; the above device has the following shortcomings: when adding a protective device to the drilling machine, it is necessary to repeatedly disassemble and fix the chip guard and the fixed frame through a round button, which is inconvenient. Utility Model Content

[0004] The utility model aims to provide a desktop drilling machine protection device, which is convenient for protecting the waste chips generated by the drilling machine at any time and reducing the safety hazards.

[0005] The above technical purpose of the utility model is achieved through the following technical scheme: a bench drilling machine protection device, including a frame and a bench drill main body arranged on one side of the frame, a movable cavity is arranged in the frame, a processing table is fixed to the middle part of the frame through a fixed frame, a circular groove surrounding the processing table is arranged between the frame and the processing table, a circular baffle is slidably raised and lowered in the circular groove, and the frame is equipped with an adjustment component that drives the circular baffle to rise and fall.

[0006] By adopting the above technical solution, when processing the workpiece, the workpiece is placed on the processing table, and the adjustment component is used to drive the circular baffle to rise and fall relative to the processing table in the circular groove to shield and protect the four sides of the workpiece being processed. There is no need for repeated disassembly, which is more convenient to reduce safety hazards. At the same time, the height of the circular baffle can be adjusted accordingly according to the size of the workpiece, thereby improving the flexibility and applicability of the device.

[0007] The utility model is further configured as follows: the adjustment assembly includes a vertical screw located in the movable cavity and rotatably connected to the frame, a worm wheel fixed to the upper end of the vertical screw, and a worm rotatably connected to the frame and meshing with the worm wheel, and one side of the circular baffle is threadedly connected to the vertical screw.

[0008] By adopting the above technical solution, the worm is rotated to drive the worm wheel and the vertical screw to rotate, so that the rotation of the vertical screw drives the circular baffle to rise and fall relative to the processing table in the circular groove, thereby adjusting the height of the circular baffle.

[0009] The utility model is further configured as follows: one end of the worm extends out of the movable cavity and is fixed with a rotating handle.

[0010] By adopting the above technical solution, it is convenient to adjust the height of the circular baffle by rotating the worm screw by rotating the handle.

[0011] The utility model is further configured as follows: the frame is fixed with a vertical guide rod located in the movable cavity, and one side of the circular baffle is inserted and slidably connected to the vertical guide rod through a fixed block.

[0012] By adopting the above technical solution, when the circular baffle passes through the circular groove and is lifted or lowered relative to the processing table, the fixed block is inserted and slid on the vertical guide rod to limit the lifting of the circular baffle, thereby improving the overall lifting stability of the circular baffle.

[0013] The utility model is further configured as follows: the processing table is fixed with a scraper which is attached to the side of the circular baffle close to the processing table, and the scrapers are arranged in four numbers along the four sides of the processing table.

[0014] By adopting the above technical solution, when the circular baffle plate is lifted or lowered through the circular notch, the scraper plate scrapes away the waste on the inner wall of the circular baffle plate.

[0015] The utility model is further configured as follows: the scraper cross section is configured as a triangle.

[0016] By adopting the above technical solution, the upper end of the scraper scrapes the waste chips that fall off the inner wall of the circular baffle and drops them onto the processing table through the scraper, so that the waste chips can be accumulated on the processing table for easy one-time cleaning.

[0017] The utility model is further configured as follows: a cleaning brush is slidably connected to the upper end of the circular baffle, a U-shaped fixing plate is fixed to the upper end of the circular baffle, and a telescopic spring is fixed between the cleaning brush and the U-shaped fixing plate on one side thereof close to the U-shaped fixing plate.

[0018] By adopting the above technical solution, after the processing is completed, the worm is rotated in the opposite direction, and the worm wheel and the vertical screw are driven to rotate to drive the circular baffle to descend relative to the processing table through the circular groove until the upper end surface of the circular baffle is flush with the processing table surface, and the cleaning brush is pulled to slide relative to the processing table, so that the cleaning brush removes the debris on the processing table from the processing table for cleaning, thereby avoiding the accumulation of debris on the processing table to affect the processing and improve the processing quality.

[0019] The utility model is further configured as follows: slide plates are fixed on both sides of the bottom of the cleaning brush, and slide grooves for the slide plates to slide are provided on the circular baffle.

[0020] By adopting the above technical solution, when the cleaning brush is pulled to slide relative to the processing table, the slide plate slides in the slide groove to guide the sliding of the cleaning brush. When the cleaning brush is released, the cleaning brush returns to its original position along the slide groove under the action of the telescopic spring, which makes it more stable and convenient to use.

[0021] The utility model is further configured as follows: the U-shaped fixing plate is provided with insertion holes on two opposite sides, a limit plate is inserted between the insertion holes on both sides, and the cleaning brush is located between the limit plate and the U-shaped fixing plate.

[0022] By adopting the above technical solution, when the cleaning brush is not in use, the limiting plate will limit the cleaning brush within the U-shaped fixing plate to prevent the cleaning brush from moving out and thus affecting processing, while protecting the cleaning brush.

[0023] The utility model is further configured as follows: a pull rod is fixed to the upper end of the cleaning brush.

[0024] By adopting the above technical solution, when using the cleaning brush, the limit plate is removed from the socket, and the cleaning brush is pulled by the pull rod to slide relative to the processing table to remove the debris on the processing table for cleaning.

[0025] The beneficial effects of the utility model are:

[0026] 1. When processing the workpiece, place the workpiece on the processing table, and use the adjustment component to drive the circular baffle to move up and down relative to the processing table in the circular groove to shield and protect the four sides of the workpiece being processed. There is no need to disassemble repeatedly, which is more convenient to reduce safety hazards;

[0027] 2. The height of the return baffle can be adjusted according to the size of the workpiece to improve the flexibility and applicability of the device;

[0028] 3. After processing, pull the cleaning brush to make it slide relative to the processing table, so that the cleaning brush can remove the debris on the processing table for cleaning, avoiding the accumulation of debris on the processing table to affect the processing and improve the processing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0030] Figure 1 It is a structural schematic diagram of the utility model.

[0031] Figure 2 yes Figure 1 Enlarged view of point A.

[0032] Figure 3 The utility model is a schematic diagram of the connection relationship between the movable cavity, the adjustment component and the return baffle.

[0033] In the figure, 1, frame; 2, bench drill body; 3, movable cavity; 4, fixed frame; 5, processing table; 6, circular notch; 7, circular baffle; 8, adjustment component; 81, vertical screw; 82, worm gear; 83, worm; 84, turning handle; 85, vertical guide rod; 86, fixed block; 9, scraper; 10, cleaning brush; 11, U-shaped fixing plate; 12, telescopic spring; 13, slide plate; 14, slide groove; 15, socket; 16, limit plate; 17, pull rod. DETAILED DESCRIPTION

[0034] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] Embodiment 1, a desktop drilling machine protection device, such as Figure 1-3 As shown, it includes a frame 1 and a bench drill body 2 arranged on one side of the frame 1, a movable cavity 3 is arranged in the frame 1, a processing table 5 is fixed to the middle of the frame 1 through a fixing frame 4, a circular groove 6 surrounding the processing table 5 is arranged between the frame 1 and the processing table 5, a circular baffle 7 is slidably raised and lowered in the circular groove 6, and an adjusting component 8 for driving the circular baffle 7 to rise and fall is installed on the frame 1.

[0036] Furthermore, the adjustment assembly 8 includes a vertical screw 81 located in the movable cavity 3 and rotatably connected to the frame 1, a worm gear 82 fixed to the upper end of the vertical screw 81, and a worm 83 rotatably connected to the frame 1 and meshing with the worm gear 82. One side of the circular baffle 7 is threadedly connected to the vertical screw 81.

[0037] Furthermore, one end of the worm 83 extends out of the movable cavity 3 and is fixed with a rotating handle 84 .

[0038] Furthermore, a vertical guide rod 85 located in the movable cavity 3 is fixed to the frame body 1 , and one side of the circular baffle plate 7 is inserted and slidably connected to the vertical guide rod 85 through a fixing block 86 .

[0039] Furthermore, a scraper 9 is fixed to the processing table 5 and is attached to one side of the circular baffle 7 close to the processing table 5 . Four scrapers 9 are arranged along four sides of the processing table 5 .

[0040] Furthermore, the cross section of the scraper 9 is set to be triangular.

[0041] Furthermore, a cleaning brush 10 is slidably connected to the upper end of the circular baffle 7 , a U-shaped fixing plate 11 is fixed to the upper end of the circular baffle 7 , and a telescopic spring 12 is fixed between the cleaning brush 10 and the U-shaped fixing plate 11 on one side thereof.

[0042] Furthermore, slide plates 13 are fixed on both sides of the bottom of the cleaning brush 10 , and a slide groove 14 for the slide plates 13 to slide is provided on the circular baffle 7 .

[0043] Furthermore, the U-shaped fixing plate 11 is provided with insertion holes 15 on two opposite sides, and a limit plate 16 is inserted between the insertion holes 15 on both sides. The cleaning brush 10 is located between the limit plate 16 and the U-shaped fixing plate 11.

[0044] Furthermore, a pull rod 17 is fixed to the upper end of the cleaning brush 10 .

[0045] Working principle of the utility model: when processing a workpiece, the workpiece is placed on the processing table 5, and the worm 83 is rotated by turning the handle 84, thereby driving the worm wheel 82 and the vertical screw 81 to rotate, so that the vertical screw 81 rotates and drives the return baffle 7 to rise relative to the processing table 5 in the return groove 6, and the vertical guide rod 85 guides and limits the lifting and lowering of the return baffle 7, so that the height of the return baffle 7 is adjusted according to the size of the workpiece, and the workpiece is processed after adjustment; after processing is completed, the worm 83 is rotated in the opposite direction, and the worm wheel 82 and the vertical screw 81 are driven to rotate to drive the return baffle 7 to descend relative to the processing table 5 through the return groove 6 to the return baffle. The upper end surface of the plate 7 is flush with the surface of the processing table 5. During this period, the circular baffle plate 7 passes through the circular notch 6, and the upper end of the scraper 9 scrapes the waste chips that fall off the inner wall of the circular baffle plate 7 and drops them onto the processing table 5 through the scraper 9, so that the waste chips can be accumulated on the processing table 5, and the limit plate 16 is moved out of the socket 15. The cleaning brush 10 is pulled by the pull rod 17 to make the cleaning brush 10 slide relative to the processing table 5 to remove the debris on the processing table 5 from the processing table 5 for cleaning. When the cleaning brush 10 is released after cleaning, the cleaning brush 10 returns to its original position along the slide groove 14 under the action of the telescopic spring 12, and the limit plate 16 is inserted between the two sockets 15 to realize limit protection for the cleaning brush 10.

[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A protective device for a bench drilling machine, comprising a frame (1) and a bench drilling machine body (2) arranged on one side of the frame (1), characterized in that: A movable cavity (3) is provided in the frame (1), a processing table (5) is fixed in the middle of the frame (1) via a fixing frame (4), a circular groove (6) surrounding the processing table (5) is provided between the frame (1) and the processing table (5), a circular baffle (7) is slidably raised and lowered in the circular groove (6), and an adjusting component (8) is installed on the frame (1) for driving the circular baffle (7) to rise and fall.

2. A desktop drilling machine protection device according to claim 1, characterized in that: The adjustment assembly (8) comprises a vertical screw (81) located in the movable cavity (3) and rotatably connected to the frame (1), a worm wheel (82) fixed to the upper end of the vertical screw (81), and a worm (83) rotatably connected to the frame (1) and meshing with the worm wheel (82), and one side of the circular baffle (7) is threadedly connected to the vertical screw (81).

3. A protective device for a benchtop drilling machine according to claim 2, characterized in that: One end of the worm (83) extends out of the movable cavity (3) and is fixed with a rotating handle (84).

4. A protective device for a benchtop drilling machine according to claim 2, characterized in that: The frame (1) is fixed with a vertical guide rod (85) located in the movable cavity (3), and one side of the circular baffle (7) is inserted and slidably connected to the vertical guide rod (85) through a fixing block (86).

5. The protective device for a benchtop drilling machine according to claim 1, characterized in that: The processing table (5) is fixed with a scraper (9) which is attached to the side of the circular baffle (7) close to the processing table (5), and the scrapers (9) are arranged in four numbers along the four sides of the processing table (5).

6. A protective device for a benchtop drilling machine according to claim 5, characterized in that: The scraper (9) has a triangular cross section.

7. The protective device for a benchtop drilling machine according to claim 1, characterized in that: A cleaning brush (10) is slidably connected to the upper end of the circular baffle (7), a U-shaped fixing plate (11) is fixed to the upper end of the circular baffle (7), and a telescopic spring (12) is fixed between the side of the cleaning brush (10) close to the U-shaped fixing plate (11) and the U-shaped fixing plate (11).

8. A protective device for a benchtop drilling machine according to claim 7, characterized in that: Slide plates (13) are fixed on both sides of the bottom of the cleaning brush (10), and the circular baffle (7) is provided with a slide groove (14) for the slide plates (13) to slide.

9. A protective device for a benchtop drilling machine according to claim 7, characterized in that: The U-shaped fixing plate (11) is provided with insertion holes (15) on two opposite sides, a limit plate (16) is inserted between the insertion holes (15) on both sides, and the cleaning brush (10) is located between the limit plate (16) and the U-shaped fixing plate (11).

10. A protective device for a benchtop drilling machine according to claim 7, characterized in that: A pull rod (17) is fixed to the upper end of the cleaning brush (10).

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