阅读说明：本技术 一种螺纹导向精密半自动攻丝机 (Thread guide precise semi-automatic tapping machine ) 是由 李延芳 于 2020-05-08 设计创作，主要内容包括：本发明属于机械加工设备技术领域,尤其为一种螺纹导向精密半自动攻丝机,包括底座,所述底座的顶部焊接固定有四个呈矩形排列的支撑杆,四个支撑杆的顶端焊接固定有同一个横板,所述横板上开设有滑孔,所述滑孔内滑动安装有内螺纹套筒,所述内螺纹套筒的底端焊接固定有安装座,所述安装座上焊接固定有第一电机,所述第一电机的输出轴上焊接固定有丝锥,所述内螺纹套筒内螺纹连接有螺杆,所述螺杆的顶端焊接固定有第一锥形齿轮,所述横板的顶部焊接固定有机罩,所述机罩的顶部内壁上开设有转动孔,所述转动孔内转动安装有转动柱。本发明操作简单,使用方便,丝锥的垂直运动速度稳定,攻制螺纹中径精度高,产品稳定性好。(The invention belongs to the technical field of machining equipment, and particularly relates to a thread guide precision semi-automatic tapping machine which comprises a base, wherein four support rods which are arranged in a rectangular shape are fixedly welded on the top of the base, the top ends of the four support rods are fixedly welded with a transverse plate, a sliding hole is formed in the transverse plate, an internal thread sleeve is slidably installed in the sliding hole, an installation seat is fixedly welded on the bottom end of the internal thread sleeve, a first motor is fixedly welded on the installation seat, a screw tap is fixedly welded on an output shaft of the first motor, a screw rod is connected with the internal thread of the internal thread sleeve in a threaded manner, a first bevel gear is fixedly welded on the top end of the screw rod, a machine cover is fixedly welded on the top of the transverse plate, a rotating hole is formed in the inner wall of the top of the machine cover, and a rotating column is rotatably installed in the rotating hole. The invention has the advantages of simple operation, convenient use, stable vertical movement speed of the screw tap, high pitch diameter precision of the tapping screw and good product stability.)

1. The utility model provides a semi-automatic tapping machine of accurate of screw thread direction, includes base (1), its characterized in that: the novel multifunctional automobile seat is characterized in that four support rods (2) which are arranged in a rectangular shape are fixedly mounted at the top of the base (1), the top end of each support rod (2) is fixedly provided with the same transverse plate (3), a slide hole (4) is formed in each transverse plate (3), an internal thread sleeve (5) is slidably mounted in each slide hole (4), a mounting seat (6) is fixedly mounted at the bottom end of each internal thread sleeve (5), a first motor (7) is fixedly mounted on each mounting seat (6), a screw tap (8) is fixedly mounted on an output shaft of each first motor (7), a screw rod (9) is connected with an internal thread of each internal thread sleeve (5), a first bevel gear (10) is fixedly mounted at the top end of each screw rod (9), a hood (11) is fixedly mounted at the top of each transverse plate (3), and a rotating hole (12) is formed in the inner wall of the top of each hood (11), rotate hole (12) internal rotation and install rotation post (13), the bottom of rotating post (13) extend to in aircraft bonnet (11) and with first conical gear (10) fixed connection, the top fixed mounting of diaphragm (3) has second motor (14), fixed mounting has second conical gear (15) on the output shaft of second motor (14), second conical gear (15) and first conical gear (10) mesh mutually.

2. The thread-guiding precision semi-automatic threading machine of claim 1, wherein: the limiting grooves are formed in the two sides of the inner thread sleeve (5), limiting blocks are fixedly mounted on the inner walls of the two sides of the sliding hole (4), and the two limiting blocks are connected with the inner walls of the corresponding limiting grooves in a sliding mode respectively.

3. The thread-guiding precision semi-automatic threading machine of claim 1, wherein: the bearing is arranged in the rotating hole (12), the outer ring of the bearing is fixedly connected with the inner wall of the rotating hole (12), and the inner ring of the bearing is fixedly sleeved on the rotating column (13).

4. The thread-guiding precision semi-automatic threading machine of claim 1, wherein: the bottom of the mounting seat (6) is provided with a fixing groove, and the first motor (7) is fixedly connected with the inner wall of the fixing groove.

5. The thread-guiding precision semi-automatic threading machine of claim 1, wherein: the top of the base (1) is fixedly provided with a workpiece placing groove.

6. The thread-guiding precision semi-automatic threading machine of claim 1, wherein: four self-locking universal wheels which are arranged in a rectangular shape are fixedly arranged at the bottom of the base (1).

Technical Field

The invention relates to the technical field of machining equipment, in particular to a thread guide precision semi-automatic tapping machine.

Background

At present, nut manufacturers generally use pneumatic tapping machines, drilling and tapping dual-purpose machines, drilling machines and other equipment for tapping. When the pneumatic tapping machine works, the screw tap rotates, and the air cylinder pushes the clamp for clamping the nut to feed in the horizontal direction to be meshed with the screw tap for tapping.

However, the rotating speed of the screw tap is determined by equipment parameters, the advancing speed of the nut is determined by adjusting the operating speed of a piston of a cylinder by a pneumatic system, the accurate matching of the advancing of the nut by one screw pitch in each rotation of the screw tap is difficult to realize by separately controlling two factors, the screw thread is unqualified due to the fact that the speed of the cylinder is slightly high or slightly low, the nut cannot move stably due to unstable air pressure, and the tapping effect is influenced.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a thread guide precision semi-automatic tapping machine.

In order to achieve the purpose, the invention adopts the following technical scheme: a thread guide precision semi-automatic tapping machine comprises a base, wherein four support rods which are arranged in a rectangular shape are fixedly welded at the top of the base, a same transverse plate is fixedly welded at the top ends of the four support rods, a slide hole is formed in the transverse plate, an internal thread sleeve is slidably mounted in the slide hole, a mounting seat is fixedly welded at the bottom end of the internal thread sleeve, a first motor is fixedly welded on the mounting seat, a screw tap is fixedly welded on an output shaft of the first motor, a screw rod is connected with an internal thread of the internal thread sleeve in a threaded manner, a first conical gear is fixedly welded at the top end of the screw rod, a machine cover is fixedly welded at the top of the transverse plate, a rotating hole is formed in the inner wall of the top of the machine cover, a rotating column is rotatably mounted in the rotating hole, the bottom end of the rotating column extends into the machine cover and is fixedly welded with the first conical gear, a second motor is fixedly welded at the top of the transverse plate, and a second bevel gear is welded and fixed on an output shaft of the second motor, and the second bevel gear is meshed with the first bevel gear.

Preferably, the limiting grooves are formed in the two sides of the internal thread sleeve, limiting blocks are welded and fixed on the inner walls of the two sides of the sliding hole, and the two limiting blocks are connected with the inner walls of the corresponding limiting grooves in a sliding mode respectively.

Preferably, a bearing is arranged in the rotating hole, the outer ring of the bearing is in interference fit with the inner wall of the rotating hole, and the inner ring of the bearing is sleeved on the rotating column in interference fit.

Preferably, the bottom of the mounting seat is provided with a fixing groove, and the first motor and the inner wall of the fixing groove are welded and fixed together.

Preferably, the workpiece placing groove is fixedly welded on the top of the base.

Preferably, four self-locking universal wheels which are arranged in a rectangular shape are welded and fixed at the bottom of the base.

Compared with the prior art, the invention has the beneficial effects that: be connected with external power source in one side of base, first switch and two direction switch, wherein first motor, external power source and first switch connect gradually and constitute the return circuit through the wire, the second motor, two direction switch and power connect gradually and buy the return circuit through the wire, when carrying out the tapping to the work piece, place the work piece in the work piece standing groove on the base earlier, later start first motor through first switch, first motor rotates and drives the screw tap and rotates, later rethread two direction switch starts the second motor, the second motor rotates and drives second conical gear and rotates, second conical gear drives first conical gear again and rotates, first conical gear drives the screw rod again and rotates, the screw rod drives the internal thread sleeve and moves down again, thereby the internal thread sleeve drives pivoted screw tap again and carries out the tapping to the work piece.

The invention has the advantages of simple operation, convenient use, stable vertical movement speed of the screw tap, high pitch diameter precision of the tapping screw and good product stability.

Drawings

FIG. 1 is a front cross-sectional structural schematic view of the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is an assembly view of the internally threaded sleeve and threaded rod of the present invention;

in the figure: 1. a base; 2. a support bar; 3. a transverse plate; 4. a slide hole; 5. an internally threaded sleeve; 6. a mounting seat; 7. a first motor; 8. a screw tap; 9. a screw; 10. a first bevel gear; 11. a hood; 12. rotating the hole; 13. rotating the column; 14. a second motor; 15. a second bevel gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a thread guide precision semi-automatic tapping machine comprises a base 1, four support rods 2 which are arranged in a rectangular shape are fixedly welded on the top of the base 1, the top ends of the four support rods 2 are fixedly welded with a same transverse plate 3, a sliding hole 4 is formed in the transverse plate 3, an internal thread sleeve 5 is slidably mounted in the sliding hole 4, a mounting seat 6 is fixedly welded on the bottom end of the internal thread sleeve 5, a first motor 7 is fixedly welded on the mounting seat 6, a screw tap 8 is fixedly welded on an output shaft of the first motor 7, a screw rod 9 is connected with an internal thread of the internal thread sleeve 5, a first conical gear 10 is fixedly welded on the top end of the screw rod 9, a hood 11 is fixedly welded on the top of the transverse plate 3, a rotating hole 12 is formed in the inner wall of the top of the hood 11, a rotating column 13 is rotatably mounted in the rotating hole 12, the bottom end of the rotating column 13 extends into the hood 11 and is fixedly welded with the first conical gear 10, a second motor 14 is fixedly welded on the top of the transverse plate 3, a second bevel gear 15 is fixedly welded on an output shaft of the second motor 14, and the second bevel gear 15 is meshed with the first bevel gear 10;

both sides of the internal thread sleeve 5 are respectively provided with a limiting groove, limiting blocks are welded and fixed on the inner walls of both sides of the sliding hole 4, the two limiting blocks are respectively connected with the inner walls of the corresponding limiting grooves in a sliding manner, a bearing is arranged in the rotating hole 12, the outer ring of the bearing is in interference fit with the inner wall of the rotating hole 12, the inner ring of the bearing is sleeved on the rotating column 13 in interference fit, the bottom of the mounting seat 6 is provided with a fixing groove, the first motor 7 is welded and fixed with the inner walls of the fixing groove, the top of the base 1 is welded and fixed with a workpiece placing groove, the bottom of the base 1 is welded and fixed with four self-locking universal wheels which are arranged in a rectangular manner, one side of the base 1 is connected with an external power supply, a first switch and a reversing switch, wherein the first motor 7, the external power supply and the first switch are sequentially connected through wires to form a loop, the second motor, the reversing switch and the power supply are sequentially connected through wires to form a loop, when a workpiece is tapped, the workpiece is placed in a workpiece placing groove on a base 1, then a first motor 7 is started through a first switch, the first motor 7 rotates and drives a screw tap 8 to rotate, then a second motor 14 is started through a reversing switch, the second motor 14 rotates and drives a second bevel gear 15 to rotate, the second bevel gear 15 drives a first bevel gear 10 to rotate, the first bevel gear 10 drives a screw rod 9 to rotate, and the screw rod 9 drives an internal thread sleeve 5 to move downwards, so that the internal thread sleeve 5 drives the rotating screw tap 8 to tap the workpiece.

The working principle is as follows: an external power supply, a first switch and a reversing switch are connected to one side of a base 1, wherein a first motor 7, the external power supply and the first switch are sequentially connected through a lead wire to form a loop, a second motor, the reversing switch and the power supply are sequentially connected through a lead wire to form a loop, when a workpiece is tapped, the workpiece is placed in a workpiece placing groove on the base 1, the first motor 7 is started through the first switch, the first motor 7 rotates and drives a screw tap 8 to rotate, then a reversing switch starts a second motor 14, the second motor 14 rotates and drives a second bevel gear 15 to rotate, the second bevel gear 15 drives a first bevel gear 10 to rotate, the first bevel gear 10 drives a screw rod 9 to rotate, the screw rod 9 drives an internal thread sleeve 5 to move downwards, and the internal thread sleeve 5 drives the rotating screw tap 8 to tap the workpiece, the invention has the advantages of simple operation, convenient use, stable vertical movement speed of the screw tap, high pitch diameter precision of the tapping screw and good product stability.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.