阅读说明：本技术 一种铰孔工装 (Reaming tool ) 是由 李子震 孟丽敏 杜焕利 于 2019-11-18 设计创作，主要内容包括：本发明公开了一种铰孔工装,包括调速电机、曲柄、可调连杆一、可调连杆二、摇杆、焊接螺母、套一、压簧、螺杆、套二、压紧螺母和电控系统,曲柄安装在调速电机的输出端,通过可调连杆一、可调连杆二驱动摇杆做间歇摆动；所述摇杆末端设有棘轮机构,棘轮设内四方孔,锥度铰刀大端外四方柄与棘轮连接在一起,随摇杆做间歇摆动；所述锥度铰刀小端焊接有螺母；使用时,锥度铰刀穿入加工工件的毛孔,螺杆上加装套一、压簧、平垫圈、推力轴承、套二旋入焊接螺母内,并通过压紧螺母压紧。本发明解决了锥孔在受限空间内无法使用机械设备加工的难题,工作效率和加工质量也大大提高。本发明也可用于空间受限的丝孔的攻丝工序。(The invention discloses a reaming tool, which comprises a speed regulating motor, a crank, a first adjustable connecting rod, a second adjustable connecting rod, a rocker, a welding nut, a first sleeve, a pressure spring, a screw, a second sleeve, a compression nut and an electric control system, wherein the crank is arranged at the output end of the speed regulating motor and drives the rocker to intermittently swing through the first adjustable connecting rod and the second adjustable connecting rod; the tail end of the rocker is provided with a ratchet mechanism, the ratchet is provided with an inner square hole, and an outer square handle at the large end of the taper reamer is connected with the ratchet and intermittently swings along with the rocker; a nut is welded at the small end of the taper reamer; when the taper reamer is used, the taper reamer penetrates through pores of a machined workpiece, the first sleeve, the pressure spring, the flat washer, the thrust bearing and the second sleeve are additionally arranged on the screw rod and are screwed into the welding nut, and the screw rod is compressed through the compression nut. The invention solves the problem that the taper hole can not be processed by mechanical equipment in a limited space, and greatly improves the working efficiency and the processing quality. The invention can also be used for the tapping process of the screw hole with limited space.)

1. The utility model provides a reaming frock which characterized in that: the automatic welding device comprises a speed regulating motor (1), a crank (2), an adjustable connecting rod I (3), an adjustable connecting rod II (4), a rocker (5), a welding nut (8), a sleeve I (9), a pressure spring (10), a screw rod (11), a sleeve II (14), a compression nut (15) and an electric control system (16), wherein the crank ()2 is installed at the output end of the speed regulating motor (1), and the rocker (5) is driven to intermittently swing through the adjustable connecting rod I (3) and the adjustable connecting rod II (4); the tail end of the rocker (5) is provided with a ratchet mechanism, the ratchet is provided with an inner square hole, and the outer square handle at the large end of the taper reamer (6) is arranged in the inner square hole of the ratchet mechanism and rotates intermittently along with the rocker (5); a nut (8) is welded at the small end of the taper reamer (6); when the device is used, the taper reamer (6) penetrates into pores of a machined workpiece (7), a first sleeve (9), a pressure spring (10), a flat washer (12), a thrust bearing (13) and a second sleeve (14) are additionally arranged on the screw rod (11) and screwed into the welding nut (8), the pressure spring (10) is compressed through a compression nut (15), and a certain cutting pretightening force is given to the taper reamer (6).

2. The reaming tool of claim 1, wherein: and a thrust bearing (13) is arranged between the second sleeve (14) and the compression nut (15).

3. The reaming tool of claim 1, wherein: the crank (2) is provided with an adjustable connecting hole, so that the rotation diameter is adjustable.

4. A reaming tool according to claim 1, 2 or 3, characterized in that: and the adjustable connecting rod I (3) and the adjustable connecting rod II (4) are combined by adopting a screw and a nut, and the required length is adjusted according to the size of a gear wheel disk during use.

Technical Field

The invention relates to a tool, in particular to a reaming tool, and belongs to the technical field of machinery.

Background

The big gear wheel of the mill is composed of two half gears with 180-degree semicircles, and the combined surfaces of the big gear wheel and the big gear wheel are positioned and connected by adopting a taper pin with the taper of 1: 50. The size of a taper pin hole on the combined surface of the half gear handle is large, the distance between the half gear handle and the gear rim and the distance between the half gear handle and the rib plate are small, the space is limited, common machining equipment cannot realize reaming, and only a wrench can be used manually to rotate within the range of about 90 degrees of an included angle for machining. The manual reaming is adopted, the labor intensity is very high, and the time is too long.

Disclosure of Invention

The invention aims to solve the technical problem of providing a reaming tool aiming at the defects in the prior art.

In order to solve the technical problem, the invention provides a reaming tool, which comprises a speed regulating motor, a crank, a first adjustable connecting rod, a second adjustable connecting rod, a rocker, a welding nut, a first sleeve, a pressure spring, a screw, a second sleeve, a compression nut and an electric control system, wherein the crank is arranged at the output end of the speed regulating motor and drives the rocker to intermittently swing through the first adjustable connecting rod and the second adjustable connecting rod; the tail end of the rocker is provided with a ratchet mechanism, the ratchet is provided with an inner square hole, and an outer square handle at the large end of the taper reamer is connected with the ratchet and intermittently swings along with the rocker; a nut is welded at the small end of the taper reamer; when the taper reamer is used, the taper reamer penetrates through pores of a machined workpiece, the first sleeve, the pressure spring, the flat washer, the thrust bearing and the second sleeve are additionally arranged on the screw rod and are screwed into the welding nut, and the screw rod is compressed through the compression nut.

The crank is provided with an adjustable connecting hole, so that the rotation diameter is adjustable.

The adjustable connecting rod I and the adjustable connecting rod II are combined through a screw and a nut, and the length required is adjusted according to the size of a gear wheel disk during use.

Has the advantages that: the invention solves the problem that the taper hole can not be processed by mechanical equipment in a limited space, thoroughly solves the problem of manual reaming, and greatly improves the working efficiency and the processing quality. The invention can also be used for the tapping process of the screw hole with limited space.

Drawings

FIG. 1 is a front view of the present invention in a schematic configuration;

FIG. 2 is a schematic view of the assembly of the present invention with a workpiece.

In the figure: the device comprises a speed regulating motor 1, a crank 2, an adjustable connecting rod I3, an adjustable connecting rod II 4, a rocker 5, a taper reamer 6, a processing workpiece 7, a welding nut 8, a compression spring 9, a compression spring 10, a screw 11, a flat washer 12, a thrust bearing 13, a compression nut 14, a compression nut 15 and an electric control system 16.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

Fig. 1 is a front view showing a schematic structure of the present invention.

FIG. 2 is a schematic view of the assembly of the present invention with a workpiece.

The invention provides a reaming tool, which comprises a speed regulating motor 1, a crank 2, an adjustable connecting rod I3, an adjustable connecting rod II 4, a rocker 5, a welding nut 8, a sleeve I9, a pressure spring 10, a screw rod 11, a flat washer 12, a thrust bearing 13, a sleeve II 14, a gland nut 15 and an electric control system 16, wherein the crank 2 is arranged at the output end of the speed regulating motor 1, and the rocker 5 is driven to intermittently swing through the adjustable connecting rod I3 and the adjustable connecting rod II 4; the tail end of the rocker 5 is provided with a ratchet wheel mechanism, the ratchet wheel is provided with an inner square hole which is connected with an outer square handle of the taper reamer 6 and rotates intermittently along with the rocker 5; a nut 8 is welded at the small end of the taper reamer 6; when the device is used, the taper reamer 6 penetrates into one end of a pore of a machined workpiece 7, the first sleeve 9, the pressure spring 10, the flat washer 12, the thrust bearing 13 and the second sleeve 14 are additionally arranged on the screw rod 11 and screwed into the welding nut 8 from the other end of the pore of the machined workpiece 7, and are pressed by the pressing nut 15, so that the pressure spring 8 reaches a certain pressing force, and a cutting edge of the taper reamer 6 is pressed with the pore of the machined workpiece 7; the electric control system 16 is provided with speed regulation, forward rotation, reverse rotation and stop buttons, so that the use safety and reliability are ensured.

The crank 2 is provided with an adjustable connecting hole, so that the rotation diameter is adjustable.

The adjustable connecting rod I3 and the adjustable connecting rod II 4 are combined through a screw and a nut, and the length required is adjusted according to the size of a gear wheel disk during use.

The working principle and the working process of the invention are as follows:

according to the invention, a first sleeve 9, a pressure spring 10, a screw rod 11, a flat washer 12, a thrust bearing 13, a second sleeve 14 and a gland nut 15 are adopted to connect a taper reamer 6 welded with a welding nut 8 with a processing workpiece 7, the gland nut 15 is screwed in to compress the pressure spring 10, and a certain cutting pretightening force is given to the taper reamer 6; the reamer intermittently rotates by the speed regulating motor 1, the crank 2, the adjustable connecting rod I3, the adjustable connecting rod II 4 and the rocker 5 and reaches different rotating speeds, so that the requirement of cutting parameters is met; when the rocker mechanism intermittently swings and the reamer intermittently rotates to cut, the screw rod 11 and the compression nut 15 synchronously and continuously make spiral motion, the pressure transmitted to the taper reamer 6 by the pressure spring 10 is unchanged, and the reamer achieves the purpose of continuous cutting.

The first sleeve 9 and the second sleeve 14 play the role of positioning the compression spring 10

The invention solves the problem that the taper hole can not be processed by mechanical equipment in a limited space, thoroughly solves the problem of manual reaming, and greatly improves the working efficiency and the processing quality. The invention can also be used for the tapping process of the screw hole with limited space.

The above-described embodiments of the invention are intended to be illustrative only and are not intended to be limiting, as all changes that come within the scope of or equivalence to the invention are intended to be embraced therein.