Bench drilling machine protection assembly for workpiece machining

Abstract

The bench drilling machine protection assembly comprises a bench drilling machine body and a protective fence, the bench drilling machine body comprises a base, a supporting rod, a drill floor mechanism, a top plate, a motor assembly and a drill bit mechanism, one side of a driving bevel gear is connected with a driven bevel gear in a meshed mode, and a vertical rod is fixedly connected into the driven bevel gear. By arranging the motor, the connecting rod, the driving bevel gear, the driven bevel gear, the vertical rod, the lead screw, the guide rod and the like, the height of the protective fence can be adjusted in a lifting mode, the protective fence can be lifted to a drill floor mechanism and the periphery above the drill floor mechanism for protection when a workpiece is machined, scrap iron generated when the workpiece is machined can be effectively prevented from splashing all around, and the work efficiency is improved. And after machining is completed, the protective guard can be moved downwards to be separated from the operation face, operation is prevented from being affected, the device is convenient to use, waste chips of the drill floor mechanism are convenient to clean, the protective guard does not need to be disassembled and assembled repeatedly, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of table drilling machines, in particular to a table drilling machine protection component used for workpiece processing. Background Art

[0002] Benchtop drilling machine, also known as bench drill, refers to a small drilling machine that can be placed on a workbench with a vertically arranged spindle. 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. Benchtop drilling machine is mainly used for drilling, reaming, boring, tapping, and scraping surfaces for small and medium-sized parts. It is used in processing workshops and mold repair workshops. Compared with similar machine tools at home and abroad, it has the characteristics of low horsepower, high rigidity, high precision, good rigidity, easy operation, and easy maintenance. It is one of the commonly used equipment in workpiece processing, assembly, and repair work. During the processing of workpieces, benchtop drilling machine is prone to iron chips splashing, which may pose certain safety hazards and requires protection.

[0003] For example, a Chinese invention patent with authorization announcement number CN110434366B discloses a bench-top drilling machine with high stability and safety protection device, including a base plate, wherein limit grooves are provided on both sides of the left and right sides of the base plate, a reinforcement ring with one end extending to the bottom of the base plate is movably installed on the outer side of the base plate, and limit blocks with one end extending to the inside of the limit groove are fixedly installed on the left and right side walls of the inner cavity of the reinforcement ring, a spring telescopic rod located inside the reinforcement ring is fixedly installed at the bottom of the base plate, an installation groove is provided at the bottom of the reinforcement ring, a mounting plate is fixedly installed on the top wall of the inner cavity of the mounting groove, and a hydraulic push rod is fixedly installed at the bottom of the mounting plate.

[0004] However, when using the existing desktop drilling machine protection assembly for workpiece processing, the first protection frame, the second protection frame, and the third protection frame must be assembled through the first hinge, the second hinge, the third hinge, the insertion rod, the slot, the adjustment hole, the locking slot, etc. to form a protection fence. The installation process is cumbersome, time-consuming and labor-intensive.

[0005] For this reason, we propose a desktop drilling machine protection component for workpiece processing to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a desktop drilling machine protection component for workpiece processing to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a desktop drilling machine protection assembly for workpiece processing, comprising a desktop drilling machine body and a protection fence, wherein the desktop drilling machine body comprises a base, a support rod, a drilling platform mechanism, a top plate, a motor assembly, and a drill mechanism;

[0008] The motor is fixedly connected to one side of the base, one end of the connecting rod is fixedly connected to the motor shaft, the outer wall of the other end of the connecting rod is fixedly connected to the active bevel gear, one side of the active bevel gear is meshed and connected to the driven bevel gear, the inner part of the driven bevel gear is fixedly connected to the vertical rod, the top of the vertical rod is fixedly connected to the screw rod, the top of the screw rod is fixedly connected to the connecting rod, one end of the bottom surface of the top plate is fixedly connected to the fixed rod, the bottom surface of the fixed rod is provided with a rotation groove, and the connecting rod is rotatably connected to the rotation groove;

[0009] One end of the top surface of the base is fixedly connected to the guide rod, the top end of the guide rod is fixedly connected to the top plate, a threaded sleeve is embedded in the guardrail, the threaded sleeve is engaged with the screw rod, and a through hole is opened at one end of the top surface of the guardrail, and the through hole is slidably connected to the guide rod.

[0010] Preferably, a support rod is fixedly mounted on the top surface of the base, and a top plate is fixedly mounted on the top end of the support rod.

[0011] Preferably, a drilling platform mechanism is provided on the support rod, a drilling head mechanism is provided on the bottom surface of the top plate, and a motor assembly is provided on the bottom of the top plate.

[0012] Preferably, annular limit blocks are fixedly connected to both ends of the outer side wall of the guide rod, and the rod diameter of the fixed rod and the rod diameter of the vertical rod are larger than the rod diameter of the screw rod.

[0013] Preferably, a mounting groove is provided in the base, and the driving bevel gear and the driven bevel gear are located inside the mounting groove.

[0014] Preferably, the upright pole is rotatably connected to the inside of the base, and the horizontal cross-section of the guardrail is in the shape of a "mouth".

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model can raise and lower the height of the guardrail by arranging a motor, a connecting rod, an active bevel gear, a driven bevel gear, a vertical rod, a screw rod, a connecting rod, a fixed rod, a guide rod, etc. When processing a workpiece, the guardrail can be raised to the drilling platform mechanism and the surrounding areas above for protection, which can effectively prevent waste iron chips generated during the workpiece processing from splashing everywhere, reduce safety hazards, and improve the safety of the device. After the processing is completed, the guardrail can be moved down and separated from the operating surface to prevent affecting the operation, which is convenient for the use of the device and the cleaning of waste chips of the drilling platform mechanism. The guardrail does not need to be repeatedly disassembled and assembled, saving time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 This is a schematic diagram of the split structure of the utility model;

[0019] Figure 3It is a schematic diagram of the side cross-sectional structure of the local structure of the utility model.

[0020] In the figure: 1. main body of the bench drilling machine; 11. base; 111. mounting groove; 12. support rod; 13. drilling platform mechanism; 14. top plate; 15. motor assembly; 16. drill bit mechanism; 2. motor; 21. connecting rod; 3. driving bevel gear; 4. driven bevel gear; 5. vertical rod; 6. screw rod; 7. connecting rod; 8. fixing rod; 81. rotating groove; 9. guide rod; 91. annular limit block; 10. protective frame; 101. threaded sleeve; 102. through hole. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0022] Embodiment 1:

[0023] See also Figure 1-3 , which is the first embodiment of the utility model, the utility model provides a technical solution: a desktop drilling machine protection assembly for workpiece processing, including a desktop drilling machine body 1, a protection frame 10, the desktop drilling machine body 1 includes a base 11, a support rod 12, a drilling platform mechanism 13, a top plate 14, a motor assembly 15, and a drill mechanism 16;

[0024] One side of the base 11 is fixedly connected to the motor 2, one end of the connecting rod 21 is fixedly connected to the rotating shaft of the motor 2, the outer wall of the other end of the connecting rod 21 is fixedly connected to the driving bevel gear 3, one side of the driving bevel gear 3 is meshedly connected to the driven bevel gear 4, the inner part of the driven bevel gear 4 is fixedly connected to the vertical rod 5, the top of the vertical rod 5 is fixedly connected to the screw rod 6, the top of the screw rod 6 is fixedly connected to the connecting rod 7, one end of the bottom surface of the top plate 14 is fixedly connected to the fixed rod 8, the bottom surface of the fixed rod 8 is provided with a rotating groove 81, the connecting rod 7 is rotatably connected to the rotating groove 81, so as to improve the rotation stability of the connecting rod 7;

[0025] One end of the top surface of the base 11 is fixedly connected to the guide rod 9, the top of the guide rod 9 is fixedly connected to the top plate 14, a threaded sleeve 101 is embedded in the protective frame 10, the threaded sleeve 101 engages with the connecting screw 6, and a through hole 102 is provided at one end of the top surface of the protective frame 10, and the through hole 102 is slidably connected to the guide rod 9. When the protective frame 10 is raised or lowered, the other side of the protective frame 10 slides on the guide rod 9, thereby improving the stability of the movement of the protective frame 10.

[0026] Embodiment 2:

[0027] See also Figure 1-3, which is the second embodiment of the utility model, is based on the previous embodiment, and a support rod 12 is fixedly installed on the top surface of the base 11, and a top plate 14 is fixedly installed on the top end of the support rod 12.

[0028] A drilling platform mechanism 13 is disposed on the support rod 12 , a drilling head mechanism 16 is disposed on the bottom surface of the top plate 14 , and a motor assembly 15 is disposed on the bottom of the top plate 14 .

[0029] Annular limit blocks 91 are fixed to the two ends of the outer wall of the guide rod 9, which can limit the moving range of the protection frame 10. The diameter of the fixed rod 8 and the diameter of the vertical rod 5 are larger than the diameter of the screw rod 6, which can limit the moving range of the protection frame 10 and prevent one side of the protection frame 10 from detaching from the screw rod 6.

[0030] A mounting groove 111 is defined in the base 11 , and the driving bevel gear 3 and the driven bevel gear 4 are located inside the mounting groove 111 .

[0031] The vertical rod 5 is rotatably connected to the inside of the base 11. The horizontal cross-section of the protection frame 10 is in the shape of a "mouth", which can protect the surroundings of the operating surface. The protection frame 10 contacts the bottom plate of the drilling platform mechanism 13 and cooperates with the bottom plate of the drilling platform mechanism 13 to form a protection space.

[0032] Embodiment 3:

[0033] See also Figure 1-3 , which is the third embodiment of the utility model. This embodiment is based on the above two embodiments. When the utility model is actually used, when processing the workpiece, the motor 2 is connected to an external power supply, and the motor 2 is started to drive the connecting rod 21 and the active bevel gear 3 to rotate, and the driven bevel gear 4, the vertical rod 5, the screw rod 6, and the connecting rod 7 are driven to rotate, thereby driving the protective frame 10 to move up. At the same time, the other side of the protective frame 10 slides on the guide rod 9 and moves up to a suitable position. When the workpiece is processed, the surrounding of its operating surface can be protected, which can effectively prevent the waste iron chips generated during the workpiece processing from splashing everywhere, reduce safety hazards, and improve the safety of the device. After the processing is completed, the protective frame 10 can be moved down and separated from the operating surface to prevent affecting the operation, facilitate the use of the device, and facilitate the cleaning of the waste chips on the drilling platform mechanism 13. The protective frame 10 does not need to be repeatedly disassembled and assembled, which is convenient to use and saves time and effort.

[0034] 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 assembly for a benchtop drilling machine used for workpiece processing, comprising a benchtop drilling machine body (1) and a protective frame (10), characterized in that: The table-type drilling machine body (1) comprises a base (11), a support rod (12), a drilling platform mechanism (13), a top plate (14), a motor assembly (15), and a drill head mechanism (16); One side of the base (11) is fixedly connected to the motor (2), one end of the connecting rod (21) is fixedly connected to the rotating shaft of the motor (2), the outer wall of the other end of the connecting rod (21) is fixedly connected to the driving bevel gear (3), one side of the driving bevel gear (3) is meshingly connected to the driven bevel gear (4), the interior of the driven bevel gear (4) is fixedly connected to the vertical rod (5), the top end of the vertical rod (5) is fixedly connected to the screw rod (6), the top end of the screw rod (6) is fixedly connected to the connecting rod (7), one end of the bottom surface of the top plate (14) is fixedly connected to the fixed rod (8), the bottom surface of the fixed rod (8) is provided with a rotation groove (81), and the connecting rod (7) is rotatably connected to the rotation groove (81); One end of the top surface of the base (11) is fixedly connected to the guide rod (9), the top end of the guide rod (9) is fixedly connected to the top plate (14), a threaded sleeve (101) is embedded in the protection frame (10), the threaded sleeve (101) is engaged with the screw rod (6), and a through hole (102) is provided at one end of the top surface of the protection frame (10), and the through hole (102) is slidably connected to the guide rod (9).

2. A protective assembly for a table drilling machine used for workpiece processing according to claim 1, characterized in that: A support rod (12) is fixedly mounted on the top surface of the base (11), and a top plate (14) is fixedly mounted on the top end of the support rod (12).

3. A protective assembly for a table drilling machine used for workpiece processing according to claim 1, characterized in that: A drilling platform mechanism (13) is provided on the support rod (12), a drilling head mechanism (16) is provided on the bottom surface of the top plate (14), and a motor assembly (15) is provided on the bottom of the top plate (14).

4. A protective assembly for a table drilling machine used for workpiece processing according to claim 1, characterized in that: Annular limit blocks (91) are respectively fixedly connected to the two ends of the outer side wall of the guide rod (9), and the diameter of the fixed rod (8) and the diameter of the vertical rod (5) are greater than the diameter of the screw rod (6).

5. The protective assembly for a table drilling machine used for workpiece processing according to claim 1, characterized in that: A mounting groove (111) is provided in the base (11), and the driving bevel gear (3) and the driven bevel gear (4) are located inside the mounting groove (111).

6. A protective assembly for a table drilling machine used for workpiece processing according to claim 1, characterized in that: The upright pole (5) is rotatably connected to the inside of the base (11), and the horizontal cross-section of the protective frame (10) is in the shape of a "mouth".

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