CN220127632U - Positioning device of drilling machine - Google Patents
Positioning device of drilling machine Download PDFInfo
- Publication number
- CN220127632U CN220127632U CN202321096249.8U CN202321096249U CN220127632U CN 220127632 U CN220127632 U CN 220127632U CN 202321096249 U CN202321096249 U CN 202321096249U CN 220127632 U CN220127632 U CN 220127632U
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- CN
- China
- Prior art keywords
- centering
- driving
- drilling machine
- push rod
- frame
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- 238000005553 drilling Methods 0.000 title claims abstract description 23
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 8
- 238000003754 machining Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 8
- 230000002950 deficient Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
Abstract
The utility model relates to the technical field of drilling machine processing, and discloses a positioning device of a drilling machine, which comprises a base and a drill bit arranged on the base, wherein a centering mechanism is arranged on the base and comprises a centering frame, a push rod, a driving rod and an unfolding arm, the centering frame is detachably connected to the base, a guide hole is horizontally arranged on the centering frame, the push rod is slidingly inserted in the guide hole, the driving rod is vertically and slidingly arranged on the centering frame, the unfolding arm is rotationally connected to the centering frame, one end of the unfolding arm is positioned above the driving rod, the other end of the unfolding arm extends to the outside of the centering frame, and the unfolding arm is oppositely arranged on two sides of the directional frame. The centering device has the effects of centering and positioning and high machining precision.
Description
Technical Field
The utility model relates to the technical field of drilling machine processing, in particular to a positioning device of a drilling machine.
Background
The drilling machine refers to a machine tool which mainly uses a drill bit to machine holes on a workpiece. Typically the drill bit rotates as the primary motion and the drill bit moves axially as the feed motion. The drilling machine has simple structure and relatively low machining precision, can drill through holes and blind holes, replace special cutters, and can perform machining such as expanding, reaming or tapping. The workpiece is stationary during the machining process, the tool is moved, the center of the tool is aligned with the center of the hole, and the tool is rotated (main motion). The drilling machine is characterized in that a workpiece is fixed, and a cutter performs rotary motion. However, most of workpieces are positioned and clamped by the clamping device in the machining process, centering and positioning cannot be accurately performed on the U-shaped workpieces, so that the machining precision of the U-shaped cylindrical workpieces is low, and defective products are high.
Disclosure of Invention
The utility model aims to provide a positioning device of a drilling machine, which has the effects of centering and positioning and high machining precision.
The technical aim of the utility model is realized by the following technical scheme: the utility model provides a positioner of drilling machine, its includes the base, sets up drill bit on the base, be provided with centering mechanism on the base, centering mechanism includes centering frame, push rod, actuating lever, expansion arm, centering frame detachable connection is in on the base, centering frame is last the level to be provided with the guiding hole, the push rod slides and peg graft in the guiding hole, the actuating lever vertical sliding sets up on the centering frame, expansion arm rotates to be connected on the centering frame, expansion arm one end is located the top of actuating lever, the other end extends to the outside of centering frame, expansion arm sets up relatively the both sides of directional frame.
The utility model is further provided with: the push rod is provided with a slope, the lower part of the driving rod is provided with an inclined plane, and the slope on the push rod is attached to the inclined plane on the driving rod.
The utility model is further provided with: the unfolding arm comprises a driving part and a centering part, an included angle is formed between the driving part and the centering part, the driving part is connected with the centering part in a rotating mode, and one end, away from the driving part, of the centering part extends to the outside of the centering frame.
The utility model is further provided with: a top plate is arranged above the driving rod, and the end part of the driving part is movably clamped between the top plate and the driving rod.
The utility model is further provided with: the end of the driving part is provided with a rotating ball which is movably clamped between the top plate and the driving rod.
The utility model is further provided with: and a compression spring is connected between the centering frame and the top plate.
The utility model is further provided with: the end of the push rod is provided with a driving cylinder, and the piston end of the driving cylinder is connected with one end of the push rod far away from the slope.
The beneficial effects of the utility model are as follows:
1. the centering mechanism has the effects of centering and positioning the U-shaped cylindrical workpiece and stabilizing the centering mechanism, in the process of drilling the U-shaped workpiece, the positioning inaccuracy of the cylindrical U-shaped workpiece can cause deviation of drilling precision, the defective products are more, the centering mechanism can center the workpiece, the centering mechanism is simple in structure and convenient to operate, and automatic centering and clamping can be realized only by reversely buckling the workpiece on the centering frame of the centering mechanism.
2. According to the utility model, the driving cylinder drives the push rod to move forwards along the guide hole, the slope surface at the end part of the push rod is attached to the inclined surface below the driving rod in the process of moving forwards, when the push rod moves forwards gradually, the driving rod moves upwards gradually, the driving part on the unfolding arm is pushed to rotate upwards in the process of moving upwards, the unfolding arm rotates, the centering part at the other end of the unfolding arm is unfolded outwards, and the centering effect is achieved in the process of outwards unfolding the two centering parts simultaneously.
3. According to the utility model, the upper top plate is driven by the compression spring to have a downward driving force, when the push rod is retracted, the driving rod moves downward due to the action of gravity, and at the moment, the resilience force of the compression spring can push the top plate to push the driving part of the unfolding arm downwards, so that the unfolding arm rotates, the two centering parts retract towards the inside of the centering frame, the workpiece is loosened, and the automatic retraction effect is achieved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a schematic structural view of the centering mechanism of the present utility model.
FIG. 3 is a schematic cross-sectional view of the centering mechanism of the present utility model.
Fig. 4 is a schematic view of the internal structure of the centering structure of the present utility model.
In the figure, 1, a base; 11. a drill bit; 2. a centering mechanism; 3. a centering frame; 31. a guide hole; 4. a push rod; 41. a slope; 5. a driving rod; 51. an inclined surface; 6. a deployment arm; 61. a driving section; 611. a rotating ball; 62. centering; 7. a top plate; 71. a compression spring; 8. the cylinder is driven.
Detailed Description
The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
Embodiment, as shown in fig. 1, 2 and 3, a positioning device of a drilling machine comprises a base 1 and a drill bit 11 arranged on the base 1, wherein a centering mechanism 2 is arranged on the base 1, the centering mechanism 2 comprises a centering frame 3, a push rod 4, a driving rod 5 and a spreading arm 6, the centering frame 3 is detachably connected to the base 1, a guide hole 31 is horizontally arranged on the centering frame 3, the push rod 4 is slidably inserted into the guide hole 31, the driving rod 5 is vertically slidably arranged on the centering frame 3, the spreading arm 6 is rotatably connected to the centering frame 3, one end of the spreading arm 6 is positioned above the driving rod 5, the other end of the spreading arm extends to the outside of the centering frame 3, and the spreading arm 6 is oppositely arranged on two sides of the guide frame.
The centering mechanism 2 has the effects of centering and positioning the U-shaped cylindrical workpiece and stabilizing the centering and positioning, in the process of drilling the U-shaped workpiece, the positioning inaccuracy of the cylindrical U-shaped workpiece can cause deviation of drilling precision, the defective products are more, the centering mechanism 2 can perform positioning centering on the workpiece, the centering mechanism 2 is simple in structure and convenient to operate, and automatic centering and clamping can be realized only by reversely buckling the workpiece on the centering frame 3 of the centering mechanism 2.
As shown in fig. 3 and 4, the present utility model is further configured to: the push rod 4 is provided with a slope surface 41, an inclined surface 51 is arranged below the driving rod 5, and the slope surface 41 on the push rod 4 is attached to the inclined surface 51 on the driving rod 5.
As shown in fig. 3 and 4, the present utility model is further configured to: the unfolding arm 6 comprises a driving part 61 and a centering part 62, wherein an included angle is formed between the driving part 61 and the centering part 62, and the driving part 61 is rotatably connected with the centering part 62, and one end of the centering part 62 away from the driving part 61 extends to the outside of the centering frame 3.
In the utility model, the driving cylinder 8 drives the push rod 4 to move forwards along the guide hole 31, in the process of moving the push rod 4 forwards, the slope surface 41 at the end part of the push rod 4 is attached to the inclined surface 51 below the driving rod 5, when the push rod 4 moves forwards gradually, the driving rod 5 moves upwards gradually, in the process of moving the driving rod 5 upwards, the driving part 61 on the unfolding arm 6 is pushed to rotate upwards, the unfolding arm 6 rotates, the centering part 62 at the other end of the unfolding arm 6 is unfolded outwards, and the centering effect is realized in the process of outwards unfolding the two centering parts simultaneously.
As shown in fig. 3 and 4, the present utility model is further configured to: a top plate 7 is provided above the driving rod 5, and an end portion of the driving portion 61 is movably engaged between the top plate 7 and the driving rod 5.
As shown in fig. 3 and 4, the present utility model is further configured to: the end of the driving part 61 is provided with a rotating ball 611, and the rotating ball 611 is movably clamped between the top plate 7 and the driving rod 5.
As shown in fig. 3 and 4, the present utility model is further configured to: a compression spring 71 is connected between the centering frame 3 and the top plate 7.
As shown in fig. 3 and 4, the present utility model is further configured to: the end of the push rod 4 is provided with a driving cylinder 8, and the piston end of the driving cylinder 8 is connected with one end of the push rod 4 away from the slope surface 41.
In the utility model, the upper top plate 7 has a downward driving force under the driving of the compression spring 71, when the push rod 4 is retracted, the driving rod 5 moves downward under the action of gravity, and at the moment, the resilience force of the compression spring 71 pushes the top plate 7 to push down the driving part 61 of the unfolding arm 6, so that the unfolding arm 6 rotates, the two centering parts 62 retract towards the inside of the centering frame 3, and the workpiece is loosened, thereby having the effect of automatic retraction.
Claims (7)
1. A positioning device of a drilling machine, which is characterized in that: including base (1), setting are in drill bit (11) on base (1), be provided with centering mechanism (2) on base (1), centering mechanism (2) are including centering frame (3), push rod (4), actuating lever (5), expansion arm (6), centering frame (3) detachable connection are in on base (1), centering frame (3) are gone up the level and are provided with guiding hole (31), push rod (4) slip grafting is in guiding hole (31), actuating lever (5) vertical slip setting is in on centering frame (3), expansion arm (6) swivelling joint is in on centering frame (3), expansion arm (6) one end is located the top of actuating lever (5), and the other end extends to the outside of centering frame (3), expansion arm (6) set up relatively the both sides of centering frame (3).
2. A positioning device for a drilling machine as recited in claim 1, wherein: the push rod (4) is provided with a slope (41), the lower part of the driving rod (5) is provided with an inclined surface (51), and the slope (41) on the push rod (4) is attached to the inclined surface (51) on the driving rod (5).
3. A positioning device for a drilling machine as recited in claim 1, wherein: the unfolding arm (6) comprises a driving part (61) and a centering part (62), an included angle is formed between the driving part (61) and the centering part (62), the driving part (61) is rotationally connected with the centering part (62), and one end of the centering part (62) away from the driving part (61) extends to the outside of the centering frame (3).
4. A positioning device for a drilling machine as claimed in claim 3, wherein: a top plate (7) is arranged above the driving rod (5), and the end part of the driving part (61) is movably clamped between the top plate (7) and the driving rod (5).
5. A positioning device for a drilling machine as recited in claim 4, wherein: the end of the driving part (61) is provided with a rotating ball (611), and the rotating ball (611) is movably clamped between the top plate (7) and the driving rod (5).
6. A positioning device for a drilling machine as recited in claim 4, wherein: a compression spring (71) is connected between the centering frame (3) and the top plate (7).
7. A positioning device for a drilling machine as recited in claim 2, wherein: the end of the push rod (4) is provided with a driving cylinder (8), and the piston end of the driving cylinder (8) is connected with one end of the push rod (4) far away from the slope (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321096249.8U CN220127632U (en) | 2023-05-09 | 2023-05-09 | Positioning device of drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321096249.8U CN220127632U (en) | 2023-05-09 | 2023-05-09 | Positioning device of drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220127632U true CN220127632U (en) | 2023-12-05 |
Family
ID=88953581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321096249.8U Active CN220127632U (en) | 2023-05-09 | 2023-05-09 | Positioning device of drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220127632U (en) |
-
2023
- 2023-05-09 CN CN202321096249.8U patent/CN220127632U/en active Active
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