High-precision gun drill slotting equipment

Abstract

The utility model discloses high-precision gun drill slotting equipment which comprises a base, a vertical lifting cavity is formed in the base, a bottom ring is installed at the bottom of the lifting cavity, a spiral arc-shaped strip is installed in the bottom ring, a top plate is installed at the top of the lifting cavity, a hydraulic cylinder is installed at the top of the top plate, and a hydraulic cylinder is installed at the top of the hydraulic cylinder. A lifting column is installed in the lifting cavity, an output shaft of the hydraulic cylinder is rotationally connected with the top of the lifting column, and a machining frame is arranged at the bottom of the base. A threaded groove is formed in the outer surface of the lifting column and is in threaded connection with the arc-shaped strip, a mounting groove is formed in the bottom of the lifting column, and a drill bit is arranged at the bottom of the lifting column. According to the high-precision gun drill slotting equipment, the lifting column is arranged, the threaded groove in the surface of the lifting column is meshed with the arc-shaped strip, the lifting column can rotate under the action of the threaded groove and the arc-shaped strip in the downward moving process, the rotating angle and the descending height are at a constant value, and the high-precision gun drill slotting equipment is more convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of gun drill processing devices, in particular to a high-precision gun drill slotting device. Background Art

[0002] The gun drilling machine is composed of a bed, a spindle box, a chip collector, an oiler, a drill rod box, a workpiece holder, a drill rod holder, a feed system, a high-pressure cooling system, a CNC electrical system, and a hydraulic system. During gun drilling, the grooves on the surface need to be processed by grooved equipment.

[0003] In the prior art, the drill bit grooving equipment generally clamps the drill bit, uses a propulsion mechanism to drive the drill bit to move horizontally, and then uses a motor to drive the drill bit to rotate, so as to achieve rotation during the movement process, so that when the drill bit passes through the grinding wheel, a spiral groove is processed. When such a structure is used, the speed of the motor needs to be calibrated with the moving speed of the propulsion mechanism, so as to control the accuracy of the spiral groove on the drill bit surface, which is relatively complicated to implement. Utility Model Content

[0004] The purpose of the utility model is to provide a high-precision gun drill grooving device to solve the problem that the rotation speed of the motor proposed in the above background technology needs to be calibrated with the moving speed of the propulsion mechanism in order to control the accuracy of the spiral grooving on the drill bit surface, which is relatively complicated to implement.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a high-precision gun drilling slotting device, comprising a base,

[0006] A vertical lifting chamber is provided in the base, and a bottom ring is installed at the bottom of the lifting chamber, a spiral arc strip is installed in the bottom ring, a top plate is installed at the top of the lifting chamber, and a hydraulic cylinder is installed on the top of the top plate, a lifting column is installed in the lifting chamber, and the output shaft of the hydraulic cylinder is rotatably connected to the top of the lifting column, a processing frame is provided at the bottom of the base, and a slotting component is installed on the processing frame;

[0007] The outer surface of the lifting column is provided with a thread groove, and the thread groove is threadedly connected with the arc strip. The bottom of the lifting column is provided with a mounting groove, and the bottom of the lifting column is provided with a drill bit.

[0008] By adopting the above technical solution, when in use, the drill bit is fixed at the bottom of the lifting column, and the hydraulic cylinder is used to drive the lifting column to descend. The threaded connection between the threaded groove and the arc strip is used to make the lifting column drive the drill bit to rotate during the descent process, and the grooving equipment is used to achieve the effect of opening the threaded groove.

[0009] As a further solution of the utility model: the output shaft of the hydraulic cylinder passes through the top plate downward, and the output shaft of the hydraulic cylinder is rotatably connected to the top of the lifting column through a bearing.

[0010] By adopting the above technical solution, when in use, the rotational connection between the hydraulic cylinder and the lifting column prevents the lifting column from being unable to rotate, and the hydraulic cylinder can drive the lifting column to rise, the raised lifting column will rotate in the opposite direction, and can also cooperate with the slotting equipment to achieve the slotting effect.

[0011] As a further solution of the utility model: the top of the drill bit is inserted into the installation groove at the bottom of the lifting column, and a positioning bolt is threadedly connected to the side wall of the lifting column.

[0012] By adopting the above technical solution, when in use, the drill bit is squeezed and fixed by the positioning bolt.

[0013] As a further solution of the utility model: the processing frame includes a mounting plate, the mounting plate is located below the base, and the two sides of the mounting plate are respectively connected to the bottom of the base through connecting plates, a push groove is opened on the top of the mounting plate, and an electric push rod is installed in the push groove.

[0014] By adopting the above technical solution, when in use, the electric push rod on the mounting plate can drive the motor base to move forward and backward.

[0015] As a further solution of the utility model: the slotting assembly includes a motor seat, a driving motor is installed on the top of the motor seat, and a grinding wheel is installed on the output shaft of the driving motor, the bottom of the motor seat is inserted into the pushing groove, and the output shaft of the electric push rod is connected to the side wall of the motor seat.

[0016] By adopting the above technical solution, when in use, the driving motor can drive the grinding wheel to rotate, so as to achieve the effect of grinding and grooving the surface of the workpiece, and then the depth of the grooving can be adjusted by the electric push rod.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the high-precision gun drilling slotting equipment,

[0018] A lifting column is provided. The thread groove on the surface of the lifting column is meshed with the arc strip. When the lifting column moves downward, it rotates under the action of the thread groove and the arc strip. The rotation angle and the descending height are constant values. No additional settings are required. Compared with the design of a motor plus an electric push rod, it is more convenient to use.

[0019] In addition, the high-precision gun drill grooving equipment is also provided with an electric push rod, which can drive the motor seat to move forward and backward, so that the grinding wheel on the motor seat can move forward and backward, and the grooving depth can be conveniently controlled. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the cross-sectional structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the bottom ring and arc strip structure of the utility model;

[0022] Figure 3 It is a schematic diagram of the top view structure of the mounting plate of the utility model.

[0023] In the figure: 1. base; 101. lifting chamber; 102. bottom ring; 103. top plate; 104. arc strip; 2. hydraulic cylinder; 3. bearing; 4. lifting column; 401. threaded groove; 402. mounting groove; 5. drill bit; 6. positioning bolt; 7. processing frame; 701. mounting plate; 702. connecting plate; 703. pushing groove; 704. lifting hole; 8. motor seat; 9. driving motor; 10. grinding wheel; 11. electric push rod. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-3 The utility model provides a technical solution: a high-precision gun drilling slotting device, comprising a base 1,

[0026] A vertical lifting chamber 101 is provided in the base 1, and a bottom ring 102 is installed at the bottom of the lifting chamber 101, a spiral arc strip 104 is installed in the bottom ring 102, a top plate 103 is installed at the top of the lifting chamber 101, and a hydraulic cylinder 2 is installed on the top of the top plate 103, a lifting column 4 is installed in the lifting chamber 101, and the output shaft of the hydraulic cylinder 2 is rotatably connected to the top of the lifting column 4, a processing frame 7 is provided at the bottom of the base 1, and a slotting component is installed on the processing frame 7;

[0027] A thread groove 401 is provided on the outer surface of the lifting column 4 , and the thread groove 401 is threadedly connected to the arc strip 104 . A mounting groove 402 is provided at the bottom of the lifting column 4 , and a drill bit 5 is provided at the bottom of the lifting column 4 .

[0028] See also Figure 1 , further, the output shaft of the hydraulic cylinder 2 passes through the top plate 103 downward, and the output shaft of the hydraulic cylinder 2 is rotatably connected to the top of the lifting column 4 through the bearing 3;

[0029] Specifically, a connecting block is provided inside the inner ring of the bearing 3 , and the connecting block is connected to the output shaft of the hydraulic cylinder 2 , and the outer ring of the bearing 3 is connected to the top of the lifting column 4 .

[0030] See also Figure 1 , further, the top of the drill bit 5 is inserted into the mounting groove 402 at the bottom of the lifting column 4, and the side wall of the lifting column 4 is threadedly connected with a positioning bolt 6;

[0031] Specifically, the end of the positioning bolt 6 contacts and abuts against the side wall of the drill bit 5 , or a positioning hole is provided on the drill bit 5 to facilitate the insertion of the positioning bolt 6 .

[0032] See also Figure 1 and Figure 3 Further, the processing frame 7 includes a mounting plate 701, the mounting plate 701 is located below the base 1, and the two sides of the mounting plate 701 are respectively connected to the bottom of the base 1 through connecting plates 702, and a push groove 703 is opened on the top of the mounting plate 701, and an electric push rod 11 is installed in the push groove 703;

[0033] Specifically, a lifting hole 704 is provided on the mounting plate 701 at a position aligned with the drill bit 5 to facilitate the bottom of the drill bit 5 to pass through.

[0034] See also Figure 1 and Figure 3 Furthermore, the slotting assembly includes a motor base 8, a driving motor 9 is installed on the top of the motor base 8, and a grinding wheel 10 is installed on the output shaft of the driving motor 9, the bottom of the motor base 8 is inserted into the pushing groove 703, and the output shaft of the electric push rod 11 is connected to the side wall of the motor base 8.

[0035] Working principle: When using the high-precision gun drill slotting equipment, the drill bit 5 is fixed at the bottom of the installation groove 402, and then the hydraulic cylinder 2 is used to drive the lifting column 4 to descend. The threaded connection between the threaded groove 401 and the arc strip 104 is used to make the lifting column 4 drive the drill bit 5 to rotate during the descent process, and then the driving motor 9 is used to drive the grinding wheel 10 to achieve the effect of slotting the surface of the drill bit 5, and the electric push rod 11 in the pushing groove 703 can drive the motor seat 8, the driving motor 9 and the grinding wheel 10 to move forward and backward as a whole, so as to facilitate the control of the slotting depth. The contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0036] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.

[0037] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A high-precision gun drilling slotting device, comprising a base (1), characterized in that: A vertical lifting chamber (101) is provided in the base (1), and a bottom ring (102) is installed at the bottom of the lifting chamber (101), a spiral arc strip (104) is installed in the bottom ring (102), a top plate (103) is installed at the top of the lifting chamber (101), and a hydraulic cylinder (2) is installed at the top of the top plate (103), a lifting column (4) is installed in the lifting chamber (101), an output shaft of the hydraulic cylinder (2) is rotatably connected to the top of the lifting column (4), a processing frame (7) is provided at the bottom of the base (1), and a slotting component is installed on the processing frame (7); The outer surface of the lifting column (4) is provided with a thread groove (401), and the thread groove (401) is threadedly connected to the arc strip (104), the bottom of the lifting column (4) is provided with a mounting groove (402), and the bottom of the lifting column (4) is provided with a drill bit (5).

2. A high-precision gun drilling slotting device according to claim 1, characterized in that: The output shaft of the hydraulic cylinder (2) passes through the top plate (103) downward, and the output shaft of the hydraulic cylinder (2) is rotatably connected to the top of the lifting column (4) through a bearing (3).

3. The high-precision gun drilling slotting equipment according to claim 1, characterized in that: The top of the drill bit (5) is inserted into the mounting groove (402) at the bottom of the lifting column (4), and a positioning bolt (6) is threadedly connected to the side wall of the lifting column (4).

4. The high-precision gun drilling slotting equipment according to claim 1, characterized in that: The processing frame (7) comprises a mounting plate (701), the mounting plate (701) is located below the base (1), and the two sides of the mounting plate (701) are respectively connected to the bottom of the base (1) through connecting plates (702), and a pushing groove (703) is provided on the top of the mounting plate (701), and an electric push rod (11) is installed in the pushing groove (703).

5. A high-precision gun drilling slotting device according to claim 4, characterized in that: The slotting assembly comprises a motor seat (8), a driving motor (9) is mounted on the top of the motor seat (8), and a grinding wheel (10) is mounted on the output shaft of the driving motor (9), the bottom of the motor seat (8) is inserted into the pushing groove (703), and the output shaft of the electric push rod (11) is connected to the side wall of the motor seat (8).

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