Multi-hole drilling equipment with adjustable radial position and axial angle

Abstract

The utility model relates to the technical field of gear machining equipment, in particular to multi-hole drilling equipment adjustable in radial position and axial angle, which comprises a base, a positioning support used for placing a piece to be drilled is arranged on the base, an annular slide way is arranged on the top surface of the base and positioned on the periphery of the positioning support, and a plurality of drilling devices are slidably connected onto the annular slide way. Drill bits of the drilling devices face the center of the positioning support, and the drilling height and the drilling angle of the drilling devices are adjustable. The multiple drilling devices are arranged on the base, multi-hole drilling can be conducted at the same time, the drilling devices are slidably connected to the upper portion of the base through the annular sliding way, radial adjustment can be achieved according to the drilling position of a to-be-drilled piece, and meanwhile the drilling height and the drilling angle of the drilling devices are adjustable; the drilling device can be suitable for drilling to-be-drilled pieces with different drilling angles and drilling heights, practicability is high, and the drilling efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of gear processing equipment, and particularly relates to a multi-hole drilling device with adjustable radial position and axial angle. Background Technique

[0002] Bevel gears are a common gear transmission device, commonly found in fields such as machine tools and automobiles, and have characteristics such as high reliability, large load-bearing capacity, and variable speed range. The main processes for bevel gear processing include milling, gear cutting, tooth surface correction, grinding, etc.

[0003] Some bevel gears require oil holes to be machined at the tooth root in terms of structure, and both the angle (∠) and position (L) of the oil holes have requirements. Currently, most drilling is carried out manually using a bench drill, and the angle and position of the oil holes need to be continuously adjusted by workers on the bench vise, which is not easy to ensure drilling accuracy and has poor consistency, and the work efficiency is relatively low. Content of the Utility Model

[0004] The utility model aims to solve the above problems, and thus provides a multi-hole drilling device with adjustable radial position and axial angle.

[0005] The technical solution adopted by the utility model to solve the above problems is:

[0006] A multi-hole drilling device with adjustable radial position and axial angle, including a base, a positioning support for placing the workpiece to be drilled is arranged on the base, an annular slideway is arranged on the top surface of the base and outside the positioning support, a plurality of drilling devices are slidably connected to the annular slideway, the drill bits of the drilling devices all face the center of the positioning support, and the drilling height and drilling angle of the drilling devices are both adjustable.

[0007] The utility model adopting the above technical solution, compared with the prior art, its prominent feature is:

[0008] A plurality of drilling devices are arranged on the base of the utility model, which can perform multi-hole drilling simultaneously, and the drilling devices are slidably connected above the base through the annular slideway, and can be radially adjusted according to the drilling position of the workpiece to be drilled. At the same time, the drilling height and drilling angle of the drilling devices are both adjustable, and can be used for drilling workpieces to be drilled with different drilling angles and drilling heights, with strong practicability and high drilling efficiency.

[0009] As a preference, a further technical solution of the utility model is:

[0010] The drilling device includes a sliding seat slidably connected to the top surface of the base. Above the sliding seat, there is a sliding plate. The sliding plate is hinged to one end of the sliding seat close to the positioning support. An angle adjustment part is arranged between the sliding plate and the sliding seat. On the top surface of the sliding plate, there is a power head. The end of the power head is connected with a drill bit. The power head is controlled by a bidirectional power cylinder to move closer to or away from the positioning support, realizing the adjustability of the drilling height and the drilling angle of the drilling device.

[0011] The angle adjustment part includes a sliding block arranged between the sliding plate and the sliding seat. The sliding block is slidably connected to the sliding seat. The top surface of the sliding block inclines towards the side where the positioning support is located. One end of the sliding seat far from the positioning support extends towards the outside of the base and is connected with a vertical top plate. The top plate is provided with a first internal thread hole and a second internal thread hole, and respectively screwed with set screws. After the two set screws are tightened, they respectively abut against the side surfaces of the sliding block and the base. By adjusting the position of the sliding block with the set screws, the angle between the sliding plate and the sliding seat is adjusted. The other set screw abuts against the side surface of the base, which can position and fix the drilling device.

[0012] A fixing device for fixing the workpiece to be drilled is further arranged on the base, which is used to fix the workpiece to be drilled and keep it stable during the drilling process.

[0013] The fixing device includes a fixing bracket. A pressing cylinder is arranged on the fixing bracket. The pressing cylinder is located above the workpiece to be drilled and its telescopic end faces downward.

[0014] The end of the telescopic rod of the pressing cylinder is connected with a rubber pressing block, which can prevent the end of the telescopic rod of the pressing cylinder from making hard contact with the workpiece to be drilled. Description of the Drawings

[0015] Figure 1 It is a schematic diagram of the main structure of the embodiment of the present invention.

[0016] The marks in the figure are: base 1, positioning support 2, drilling device 3, fixing device 4, annular slideway 5, workpiece to be drilled 6, sliding seat 31, sliding plate 32, bidirectional power cylinder 33, power head 34, sliding block 35, top plate 36, first internal thread hole 37, second internal thread hole 38, set screw 39. Detailed Embodiment

[0017] The present invention will be further described below with reference to the embodiments. The purpose is only to better understand the content of the present invention. Therefore, the examples given do not limit the protection scope of the present invention.

[0018] See Figure 1, A porous drilling device with adjustable radial position and axial angle, comprising a base 1. A positioning support 2 for placing the workpiece 6 to be drilled is arranged on the base 1. An annular slideway 5 is arranged on the top surface of the base 1 and outside the periphery of the positioning support 2. A plurality of drilling devices 3 are slidably connected to the annular slideway 5. The drill bits of the drilling devices 3 all face the center of the positioning support 2, and the drilling height and drilling angle of the drilling device 3 are both adjustable.

[0019] The drilling device 3 includes a sliding seat 31 slidably connected to the top surface of the base 1. A sliding plate 32 is arranged above the sliding seat 31. The sliding plate 32 is hinged to one end of the sliding seat 31 close to the positioning support 2. An angle adjustment part is arranged between the sliding plate 32 and the sliding seat 31. A power head 34 is arranged on the top surface of the sliding plate 32. A drill bit is connected to the end of the power head 34. The power head 34 is controlled by a bidirectional power cylinder 33 to move closer to or away from the positioning support 2, realizing the adjustment of the drilling height and drilling angle of the drilling device 3.

[0020] The angle adjustment part includes a sliding block 35 arranged between the sliding plate 32 and the sliding seat 31. The sliding block 35 is slidably connected to the sliding seat 31. The top surface of the sliding block 35 inclines towards the side where the positioning support 2 is located. One end of the sliding seat 31 far from the positioning support 2 extends towards the outside of the base 1 and is connected to a vertical top plate 36. A first internal threaded hole 37 and a second internal threaded hole 38 are opened on the top plate 36, and set screws 39 are respectively screwed into them. After the two set screws 39 are tightened, they respectively abut against the side surfaces of the sliding block 35 and the base 1. By adjusting the position of the sliding block 35 with one of the set screws 39, the angle between the sliding plate 32 and the sliding seat 31 is adjusted, and the other set screw 39 abuts against the side surface of the base 1, which can position and fix the drilling device 3.

[0021] A fixing device 4 for fixing the workpiece 6 to be drilled is also arranged on the base 1, which is used to fix the workpiece 6 to be drilled and keep it stable during the drilling process.

[0022] The fixing device 4 includes a fixing bracket 41. A pressing cylinder 42 is arranged on the fixing bracket 41. The pressing cylinder 42 is located above the workpiece 6 to be drilled, and the telescopic end faces downward.

[0023] The end of the telescopic rod of the pressing cylinder 42 is connected with a rubber pressing block 43, preventing the end of the telescopic rod of the pressing cylinder 42 from making hard contact with the workpiece 6 to be drilled.

[0024] A plurality of drilling devices are arranged on the base of the utility model, which can perform multi-hole drilling simultaneously. And the drilling devices are slidably connected to the upper part of the base through the annular slideway, and can be radially adjusted according to the drilling position of the workpiece to be drilled. At the same time, the drilling height and drilling angle of the drilling device are both adjustable, which can be used for drilling workpieces with different drilling angles and drilling heights, with strong practicability and high drilling efficiency.

[0025] The above are only the preferred and feasible embodiments of the present utility model, and thus do not limit the scope of rights of the present utility model. Any equivalent changes made by using the content of the description and drawings of the present utility model are included within the scope of rights of the present utility model.

Claims

1. A porous drilling device with adjustable radial position and axial angle, comprising a base, characterized in that: A positioning support for placing the workpiece to be drilled is provided on the base. An annular slideway is provided on the top surface of the base and located outside the periphery of the positioning support. A plurality of drilling devices are slidably connected to the annular slideway. The drill bits of the drilling devices all face the center of the positioning support, and the drilling height and drilling angle of the drilling devices are adjustable.

2. The porous drilling device with adjustable radial position and axial angle according to claim 1, characterized in that: The drilling device includes a sliding seat slidably connected to the top surface of the base. A sliding plate is provided above the sliding seat. The sliding plate is hinged to one end of the sliding seat close to the positioning support. An angle adjustment part is provided between the sliding plate and the sliding seat. A power head is provided on the top surface of the sliding plate. A drill bit is connected to the end of the power head. The power head is controlled by a bidirectional power cylinder to move closer to or away from the positioning support.

3. The porous drilling device with adjustable radial position and axial angle according to claim 2, characterized in that: The angle adjustment part includes a sliding block provided between the sliding plate and the sliding seat. The sliding block is slidably connected to the sliding seat. The top surface of the sliding block is inclined towards the side where the positioning support is located. One end of the sliding seat away from the positioning support extends towards the outside of the base and is connected to a vertical top plate. A first internal thread hole and a second internal thread hole are provided on the top plate and are respectively screwed with set screws. After the two set screws are tightened, they respectively abut against the side surfaces of the sliding block and the base.

4. A porous drilling device with adjustable radial position and axial angle according to claim 1, characterized in that: A fixing device for fixing the workpiece to be drilled is also provided on the base.

5. The porous drilling device with adjustable radial position and axial angle according to claim 4, characterized in that: The fixing device includes a fixing bracket. A pressing cylinder is provided on the fixing bracket. The pressing cylinder is located above the workpiece to be drilled and its telescopic end faces downward.

6. The porous drilling device with adjustable radial position and axial angle according to claim 5, characterized in that: A rubber pressing block is connected to the end of the telescopic rod of the pressing cylinder.

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