CN209615150U - A manual honing machine for inner wall of cold-drawn steel pipe - Google Patents

Abstract

The utility model discloses a kind of manual honing machine of cold drawing steel tube inner wall, including rotating electric machine, the rotating electric machine front is connected with retarder by connection sheet, and retarder front is connected with main shaft, and spindle front is connected with stable axis；The stable axis front end is connected with connecting rod by the fixture nut that outside is arranged, and connecting rod front end is connected with grinding head by fastening nut；The rotating electric machine lower part is provided with handle, and handle front end is equipped with switch.Production cost is reduced using the manual honing machine, improves production efficiency.

Description

A manual honing machine for inner wall of cold-drawn steel pipe

technical field

The utility model belongs to the field of mechanical processing, in particular to a manual honing machine for the inner wall of a cold-drawn steel pipe.

Background technique

Steel pipe refers to a steel material with a hollow section whose length is much greater than the diameter or circumference. According to the cross-sectional shape, it is divided into circular, square, rectangular and special-shaped steel pipes; according to the material, it is divided into carbon structural steel pipes, low alloy structural steel pipes, alloy steel pipes and composite steel pipes; Steel pipes for thermal equipment, petrochemical industry, machinery manufacturing, geological drilling, high-pressure equipment, etc.; according to the production process, they are divided into seamless steel pipes and welded steel pipes, among which seamless steel pipes are divided into hot-rolled and cold-rolled (drawn) Two kinds, welded steel pipe is divided into straight seam welded steel pipe and spiral seam welded steel pipe.

During the processing of steel pipes, especially in the process of cold rolling or cold drawing, in order to improve the processing accuracy of steel pipes, especially the processing accuracy and smoothness of the inner diameter, it is often necessary to use equipment to finish the inner diameter of steel pipes. It is often necessary to use a honing machine. Ordinary grinding machines can only process the outer wall of the workpiece, or the shallower inner wall. It is not suitable for the processing of steel pipes, and large-scale processing equipment is not suitable for the processing of small steel pipes. It is urgent to use a honing machine. demand.

Utility model content

The utility model provides a manual honing machine for the inner wall of a cold-drawn steel pipe. The use of the equipment can grind the inner wall of the steel pipe to achieve processing accuracy, improve the quality of the inner wall, and have high processing efficiency.

In order to achieve the above purpose, the utility model provides the following technical solutions: a manual honing machine for the inner wall of cold-drawn steel pipes, including a rotating motor, the front part of the rotating motor is connected to a reducer through a connecting piece, the front part of the reducer is connected to a main shaft, and the main shaft The front part is connected with a stabilizing shaft; the front end of the stabilizing shaft is connected with a connecting rod through a fixing nut provided on the outside, and the front end of the connecting rod is connected with a grinding head through a fastening nut; a handle is arranged at the bottom of the rotating motor, and a switch is installed at the front end of the handle.

Preferably, a stabilizing handle is provided on the upper part of the rotating motor.

Preferably, the outer surface of the stabilizing handle is provided with anti-skid lines.

Preferably, a push handle is installed at the rear end of the rotating motor.

Preferably, heat dissipation holes are provided on the outer surface of the rotating electrical machine.

Compared with the prior art, the beneficial effect of the utility model is: the processing flexibility of the honing machine is improved through the use of the manual honing machine, and the production efficiency is improved through manual grinding; Expenses; reduced production costs, increased production efficiency by 20%.

Other features of the present disclosure and advantages thereof will become apparent through the following detailed description of exemplary embodiments of the present disclosure with reference to the accompanying drawings.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure or related technologies, the following will briefly introduce the drawings that need to be used in the descriptions of the embodiments or related technologies. Obviously, the drawings in the following description are only For the disclosed embodiments, those skilled in the art can also obtain other drawings according to the provided drawings without any creative work.

Fig. 1 is the overall view of the utility model manual honing machine;

Figure 2 is an enlarged view of the front part of the connecting rod of the manual honing machine of the present invention;

In the figure: 1. Rotating motor, 2. Connecting piece, 3. Reducer, 4. Main shaft, 5. Stabilizing shaft, 6. Fixing nut, 7. Connecting rod, 8. Fastening nut, 9. Grinding head, 10. Handle, 11, switch, 12, stable handle, 13, anti-slip pattern, 14, advance handle, 15, cooling hole.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. The following description of at least one exemplary embodiment is merely illustrative in nature, and in no way serves as any limitation of the invention and its application or use. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

The relative arrangements of components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. At the same time, it should be understood that, for the convenience of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the Authorized Specification. In all examples shown and discussed herein, any specific values should be construed as illustrative only, and not as limiting. Therefore, other examples of the exemplary embodiment may have different values. It should be noted that like numerals and letters denote like items in the following figures, therefore, once an item is defined in one figure, it does not require further discussion in subsequent figures.

For the convenience of description, spatially relative terms may be used here, such as "on ...", "over ...", "on the surface of ...", "above", etc., to describe the The spatial positional relationship between one device or feature shown and other devices or features. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, devices described as "above" or "above" other devices or configurations would then be oriented "beneath" or "above" the other devices or configurations. under other devices or configurations". Thus, the exemplary term "above" can encompass both an orientation of "above" and "beneath". The device may be oriented differently (rotated 90 degrees or at other orientations) and the spatially relative descriptions used herein interpreted accordingly.

Please refer to Figure 1-2, the utility model provides a technical solution: a manual honing machine for the inner wall of a cold-drawn steel pipe, including a rotating motor 1, the front of the rotating motor is connected to a reducer 3 through a connecting piece 2, and the front of the reducer is connected to There is a main shaft 4, and the front part of the main shaft is connected with a stabilizing shaft 5; the front end of the stabilizing shaft is connected with a connecting rod 7 through a fixing nut 6 provided on the outside, and the front end of the connecting rod is connected with a grinding head 9 through a fastening nut 8; the lower part of the rotating motor 1 is provided with a handle 10. A switch 11 is installed at the front end of the handle. A stabilizing handle 12 is provided on the top of the rotating electrical machine 1 . The outer surface of the stable handle 12 is provided with anti-slip lines 13 . A propulsion handle 14 is installed at the rear end of the rotary motor 1 . Radiation holes 15 are provided on the outer surface of the rotating electrical machine 1 .

Working principle: Insert the grinding rod of the grinding head 9 into the inner hole of the connecting rod 7, fix the grinding head and the connecting rod with the fastening nut 8, and connect the other end with the stabilizing shaft 5 through the fixing nut 6. The grinding head is put into the inner wall of the workpiece, and the rotating motor 1 drives the grinding head to rotate on the inner wall of the workpiece, and the manual handle is used for reciprocating motion. Make a connecting rod with a diameter of 12 mm and a length of 1 meter, process a tapered external thread at one end of the connecting rod, the thread specification is M10*1.5, the length is 15 mm, and drill a central hole with a diameter of 6 mm and a depth of 10 mm at the center of the circle. Make a slit 3 mm wide and 10 mm long in the radial direction. Insert the directly 6mm grinding rod into the central opening of the connecting rod, fix the grinding head 9 and the connecting rod 7 with the fastening nut 8 of M10*1.5, and connect the other end with the stabilizing shaft 5, and drive the grinding head through the rotation of the rotating motor 1 9 Grinding the inner wall of the workpiece.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. A manual honing machine for the inner wall of a cold-drawn steel pipe, including a rotating motor (1), characterized in that: the front of the rotating motor is connected to a reducer (3) through a connecting piece (2), and the front of the reducer is connected to a main shaft (4), the front of the main shaft is connected with a stabilizing shaft (5); the front end of the stabilizing shaft is connected with a connecting rod (7) through a fixing nut (6) provided on the outside, and the front end of the connecting rod is connected with a grinding shaft through a fastening nut (8). A head (9); a handle (10) is provided at the lower part of the rotating motor (1), and a switch (11) is installed at the front end of the handle. 2. A manual honing machine for the inner wall of a cold-drawn steel pipe according to claim 1, characterized in that: a stabilizing handle (12) is provided on the upper part of the rotating motor (1). 3. A manual honing machine for the inner wall of cold-drawn steel pipe according to claim 2, characterized in that: the outer surface of the stable handle (12) is provided with anti-slip lines (13). 4. A manual honing machine for the inner wall of cold-drawn steel pipe according to claim 1 or 2, characterized in that: a push handle (14) is installed at the rear end of the rotating motor (1). 5. A manual honing machine for the inner wall of a cold-drawn steel pipe according to claim 1 or 2, characterized in that: cooling holes (15) are provided on the outer surface of the rotating motor (1).