CN209349594U - Pipe cutting fixture and pipe cutting equipment - Google Patents

Abstract

The utility model provides a pipe fitting cutting jig and pipe fitting cutting equipment. The pipe fittings to be cut can be vertically fixed on the base, the cutting jig is arranged above the base, and the cutting jig can surround the pipe fittings. The central axis of the central axis makes a circular motion to cut the pipe, and the cutting fixture includes: a positioning mechanism, which can be sleeved around the pipe for positioning the pipe; a cutting assembly, the The cutting assembly can be arranged on one side of the pipe and connected to the positioning mechanism, and the positioning mechanism can guide the cutting direction of the cutting assembly. The utility model is simple in structure, easy to operate, can quickly and effectively solve the problem of steel pipe cutting, and has strong practicability; it can ensure the flatness of the incision after cutting the steel pipe, improve the cutting effect, and effectively reduce the cutting cost; it has a wide range of applications and is suitable for other fast cutting field.

Description

Pipe cutting fixture and pipe cutting equipment

technical field

The utility model relates to the technical field of pipe cutting, in particular to a pipe cutting jig and pipe cutting equipment.

Background technique

In the prior art, lathes or hacksaws are generally used to cut steel pipes. Lathe cutting costs are relatively large and inconvenient; hacksaws have a large workload and require high technical requirements for operators. At the same time, hacksaws are easy to break during the cutting process. The incision is also prone to deflection, which will affect the cutting effect of the steel pipe.

Utility model content

The purpose of this utility model is to at least solve one of the above defects and deficiencies, and this purpose is achieved through the following technical solutions.

The utility model provides a pipe fitting cutting jig, the pipe fitting to be cut can be vertically fixed on the base, the cutting jig is arranged above the base, and the cutting jig can work around the central axis of the pipe fitting. Circular motion cuts the pipe, and the cutting tool includes:

a positioning mechanism, the positioning mechanism can be sleeved around the pipe fittings, and is used for positioning the pipe fittings;

A cutting assembly, the cutting assembly can be arranged on one side of the pipe and connected to the positioning mechanism, and the positioning mechanism can guide the cutting direction of the cutting assembly.

Further, the cutting assembly includes a cutter and a handle fixedly connected to the cutter, the handle can push the cutter to move linearly in the horizontal direction, and drive the cutting tool around the center of the pipe The rotation of the axis cuts the tube.

Further, the handle is fixedly connected to the cutter through a first fixing mechanism, one side of the first fixing mechanism can be fixedly connected to the handle through threads, and the other side of the first fixing mechanism is fixed through a second fixing mechanism. A positioning pin is connected with the cutter.

Further, the positioning mechanism includes a first through hole that can pass through its upper and lower surfaces and a second through hole that is arranged on one side of the positioning mechanism and communicates with the first through hole, and the cutting assembly can Cutting is performed through the second through hole and in contact with the pipe member disposed in the first through hole.

Further, the handle can be connected to the positioning mechanism through a second fixing mechanism, the handle and the second fixing mechanism are connected by threads, the second fixing mechanism is fixed on the positioning mechanism by bolts, and rotates The handle can move the handle toward or away from the pipe and push the first fixing mechanism and the cutter to move in the same direction.

Further, the end of the handle away from the pipe is also provided with a sleeve, and the sleeve is provided with an internal thread matched with a wrench.

Further, it also includes a limiting mechanism arranged on the other side of the pipe, and the limiting mechanism is used to limit the movement of the pipe.

Further, the limiting mechanism includes two rolling blocks arranged side by side, and the pipe can be engaged in the gap formed by the two rolling blocks.

Further, the central axis of the rolling block is parallel to the central axis of the pipe, and the rolling block is connected to the positioning mechanism through a second positioning pin.

The utility model also provides a pipe fitting cutting device. The pipe fitting cutting device includes a base and the above-mentioned pipe cutting jig, wherein the base is a vise, and the pipe fitting can be vertically fixed on the vise. Jaws, the part of the pipe to be cut is exposed outside the vise.

The utility model has the following advantages:

(1) The utility model has a simple structure, is easy to operate, can quickly and effectively solve the steel pipe cutting problem, and has strong practicability.

(2) The utility model cuts the steel pipe through the rotating cutting jig, which can not only reduce the difficulty of cutting the steel pipe, realize fast cutting, but also ensure the flatness of the incision after cutting the steel pipe, improve the cutting effect, and effectively reduce the cutting cost.

(3) The utility model is easy to carry, has no requirements on the on-site use environment, has a wide application range, and has a long service life.

Description of drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiment. The drawings are only for the purpose of illustrating preferred embodiments, and are not considered to limit the present invention. Also throughout the drawings, the same reference numerals are used to designate the same parts.

Fig. 1 is a schematic structural view of a pipe fitting cutting jig provided by an embodiment of the present invention;

Fig. 2 is a sectional view of the pipe fitting cutting jig provided by the embodiment of the present invention;

Fig. 3 is a schematic diagram of the internal structure of the pipe fitting cutting jig provided by the embodiment of the present invention (the positioning mechanism is removed);

The reference signs in the figure are as follows:

10-cutting jig 20-steel pipe to be cut

30-base 1-positioning mechanism

11-First through hole 12-Second through hole

13-Flute 2-Cutter

3-handle 31-external thread

32-sleeve 4-the first fixing mechanism

41-Engage 5-The first positioning pin

6-second fixing mechanism 7-bolt

8-Rolling block 9-Second positioning pin

Detailed ways

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be referred to as These terms are limited. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For ease of description, spatial relative terms may be used herein to describe the relationship of one element or feature as shown in the figures with respect to another element or feature, such as "inner", "outer", "inner". ", "Outside", "Below", "Below", "Above", "Above", etc. Such 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, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "beneath" the other elements or features. feature above". Thus, the example term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

1 to 3 are schematic structural views of a pipe cutting jig provided according to an embodiment of the present invention. As shown in Figures 1 to 3, the pipe fitting cutting jig 10 provided by the utility model is a detachable structure, including a positioning mechanism 1 and a cutting assembly, and the pipe fittings to be cut (such as steel pipe 20) can be vertically fixed on the base 30 Above, the cutting jig 10 is arranged above the base 30 , and the cutting jig 10 can make a circular movement around the central axis of the steel pipe 20 to cut the steel pipe 20 .

The positioning mechanism 1 can be sleeved around the steel pipe 20 to be cut, and is used to position the steel pipe 20; Guided by the cutting direction.

Specifically, the positioning mechanism 1 is a fixed block with a regular shape. The positioning mechanism 1 is provided with a first through hole 11 passing through its upper and lower surfaces. The steel pipe 20 passes through the first through hole 11 and is positioned in the first through hole 11. A second through hole 12 communicating with the first through hole 11 is opened on the outside of the mechanism 1 , and the cutting assembly can pass through the second through hole 12 and contact the steel pipe 20 disposed in the first through hole 11 to cut. The positioning mechanism 1 can guide the advancing direction of the cutter 2 to ensure the cutting position. The shape of the first through hole 11 may be a square hole or a circular hole, which is not specifically limited in the present invention. It only needs to be able to accommodate the steel pipe 20 and the cutter 2 in the first through hole 11 .

The cutting assembly includes a cutter 2 and a handle 3 fixedly connected to the cutter 2. The handle 3 can push the cutter 2 to move linearly in the horizontal direction, and can drive the cutting jig 10 to rotate around the central axis of the steel pipe 20 to cut the steel pipe 20. . The handle 3 is used to adjust the forward and backward movement position of the cutting knife 2, and is used to rotate the whole set of cutting jig 10, which is convenient for manual operation.

The handle 3 is fixedly connected with the cutter 2 through the first fixing mechanism 4, one side of the first fixing mechanism 4 can be fixedly connected with the handle 3, and the other side of the first fixing mechanism 4 is fixed with the cutter 2 through the first positioning pin 5 connect. The first positioning pin 5 is used for fixing and guiding the cutter 2 .

In particular, the front end of the first fixing mechanism 4 (the end close to the steel pipe 20) is provided with two lifting lugs 41 arranged up and down oppositely, and the two lifting lugs 41 form a groove structure for placing the cutter 2 horizontally. The position corresponding to the center of the ear 41 and the cutter 2 is provided with a pin hole, and the first positioning pin 5 passes through the center of the pin hole and the cutter 2, and the cutter 2 is fixedly connected to the front end of the first fixing mechanism 4; The rear end of the mechanism 4 is detachably fixedly connected with the handle 3 through threads, which is convenient for disassembly and assembly.

In another embodiment, the first fixing mechanism 4 and the handle 3 may be an integral structure. The first fixing mechanism 4 and the handle 3 adopt a split structure, which can ensure that the cutting assembly 10 is easy to disassemble, and the handle 3 does not need to be set longer. When the parts are worn or damaged, they can be disassembled and replaced in time without the need for overall replacement. cut costs.

The handle 3 is connected with the positioning mechanism 1 through the second fixing mechanism 6 arranged on the outside of the positioning mechanism 1. In order to ensure the appearance of the jig, the shape of the second fixing mechanism 6 matches the shape and size of the positioning mechanism 1. The second fixing mechanism 6 is fixed on the outside of the positioning mechanism 1 by bolts 7, the handle 3 is threadedly connected with the second fixing mechanism 6, a section of external thread 31 is provided on the outer circumference of the handle 3, and an internal thread is provided in the center through hole of the second fixing mechanism 6 , the length of the external thread 31 is greater than the length of the internal thread. The second fixing mechanism 6 is provided, and an internal thread is arranged in the second fixing mechanism 6, and the structure is reasonable, which not only can ensure that the handle 3 is firmly fixed, but also can adjust the position of the cutting assembly to move forward and backward, so as to facilitate cutting.

The end of the handle 3 away from the steel pipe 20 is also provided with a hexagonal socket 32, and the sleeve 32 is provided with an internal thread matched with a wrench (not shown), and the rotating wrench can pass through the external thread 31 of the handle 3 and the second fixing mechanism 6 The interaction of the inner threads of the central through hole drives the handle 3 to move towards or away from the steel pipe 20, thereby pushing the first fixing mechanism 4 and the cutter 2 to move in the same direction.

The other side of the steel pipe 20 (the side opposite to the cutting assembly) is provided with a limit mechanism for limiting the movement of the steel pipe 20, the limit mechanism is arranged in the groove 13 of the positioning mechanism 1, and the limit mechanism includes two parallel arrangements. A rolling block 8, the central axis of the rolling block 8 is parallel to the central axis of the steel pipe 20, the rolling block 8 is connected with the positioning mechanism 1 through the second positioning pin 9, and each rolling block 8 includes two coaxially arranged scroll wheels up and down. The number of rolling wheels can be increased or decreased according to the size of the positioning mechanism 1 and the steel pipe 20 to be cut. When the steel pipe 20 to be cut is short, only one rolling wheel can be set.

The two rolling blocks 8 are arranged at intervals to form a certain gap, and the steel pipe 20 can be clamped in the gap, and the rolling wheels of the two rolling blocks 8 can be tangent to the steel pipe 20 respectively. The two rolling blocks 8 can ensure the position of the steel pipe 20 when the steel pipe 20 is cut, so that it cannot move back and forth, but can only rotate.

The working process of the present utility model is as follows:

First, determine the position to be cut of the steel pipe 20 and mark (for example, mark with a colored pen), fix the steel pipe 20 on the vice, expose the part to be cut on the outside of the vice, and ensure that the steel pipe 20 is firmly fixed;

Next, the cutting fixture 10 is placed in cooperation with the steel pipe 20 as shown in Figure 1, one side surface of the first through hole 11 is closely attached to the steel pipe 20, and the steel pipe 20 is cut from the other side of the steel pipe 20;

Then, turn the handle 3 with a hex wrench, the handle 3 moves forward under the action of the thread, and under the transmission of power, the first fixing mechanism 4 and the cutter 2 are pushed forward until the cutter 2 cuts into a part of the steel pipe ( It is recommended to have a depth of 1mm), take off the hex wrench, hold the handle 3 with your hand, and turn the whole set of cutting tool 10 to make a circular motion along the central axis of the steel pipe 20. During the rotation, the cutter 2 will cut the steel pipe 20 Surface cutting (cutting depth refers to the depth of the cutting knife 2 deep into the steel pipe 20), after the cutting jig 10 rotates a certain number of turns (such as 2 turns) around the central axis of the steel pipe 20, use the hex wrench to turn the handle 3 forward again, so that The first fixing mechanism 4 and the cutter 2 move forward further, repeating the above actions until the steel pipe 20 is cut off.

The utility model also provides a pipe fitting cutting device, which includes a base 30 and the above-mentioned pipe cutting jig 10, wherein the base 30 is a vise, the steel pipe 20 can be vertically fixed on the jaw of the vice, the steel pipe 20 parts to be cut are exposed on the outside of the vise.

The utility model is simple in structure, easy to operate, can quickly and effectively solve the steel pipe cutting problem, and has strong practicability; cutting the steel pipe through the rotating cutting jig can not only reduce the difficulty of cutting the steel pipe, realize fast cutting, but also ensure the incision of the steel pipe after cutting The flatness of the cutting edge improves the cutting effect and effectively reduces the cutting cost; the utility model is easy to carry, has no requirements for the on-site use environment, has a wide application range, and has a long service life.

The cutting jig provided by the utility model is not limited to the cutting of steel pipes, but also applicable to the cutting of metal pipes such as plastic pipes, iron pipes, copper pipes, aluminum pipes, etc. In addition, it can also be used in the field of rapid cutting of other shapes, such as wood boards cutting. At the same time, the size and hardness of the cutter can be changed according to the size and hardness of the object to be cut. For example, when cutting plastic pipe, a less rigid cutter can be used to prevent damage.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto, and any person familiar with the technical field can easily think of All changes or replacements should fall within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims.

Claims (10)

1. a kind of pipe fitting cuts jig, which is characterized in that pipe fitting to be cut can be vertically fixed on the base, and cut jig On the top of the base, the cutting jig can be circled around the central axis of the pipe fitting to the pipe for setting Part is cut, and the cutting jig includes:

Positioning mechanism, the positioning mechanism can be set in around the pipe fitting, for positioning to the pipe fitting；

Cutting assembly, the cutting assembly can be arranged in the side of the pipe fitting and connect with the positioning mechanism, also, institute The cut direction of the cutting assembly can be oriented to by stating positioning mechanism.

2. pipe fitting according to claim 1 cuts jig, which is characterized in that the cutting assembly include cutter and with institute The handle that cutter is fixedly connected is stated, the handle can push the cutter for linear motion in the horizontal direction, and described in drive Cutting jig cuts the pipe fitting around the center axis thereof of the pipe fitting.

3. pipe fitting according to claim 2 cuts jig, which is characterized in that the handle passes through the first fixed mechanism and institute Cutter to be stated to be fixedly connected, the side of first fixed mechanism can be fixedly connected by screw thread with the handle, and described first The other side of fixed mechanism is connect by the first positioning pin with the cutter.

4. pipe fitting according to claim 3 cuts jig, which is characterized in that the positioning mechanism includes that can run through it The first through hole of upper and lower surfaces and the side of the positioning mechanism is set and is connected to the first through hole second logical Hole, the cutting assembly can pass through second through-hole be contacted with the pipe fitting being arranged in the first through hole thus into Row cutting.

5. pipe fitting according to claim 4 cuts jig, which is characterized in that the handle can pass through the second fixed mechanism It is connect with the positioning mechanism, the handle is connected through a screw thread with second fixed mechanism, and second fixed mechanism is logical It crosses bolt to be fixed on the positioning mechanism, rotating the handle can make the handle along the side close to or far from the pipe fitting To movement and push first fixed mechanism and the equidirectional movement of the cutter.

6. pipe fitting according to claim 2 cuts jig, which is characterized in that the one end of the handle far from the pipe fitting is also It is equipped with and sleeve, the sleeve is interior equipped with the internal screw thread cooperated with spanner.

7. pipe fitting according to claim 2 cuts jig, which is characterized in that further include the other side that the pipe fitting is arranged in Position-limit mechanism, the position-limit mechanism is used to limit the movement of the pipe fitting.

8. pipe fitting according to claim 7 cuts jig, which is characterized in that the position-limit mechanism includes two be set side by side A scroll box, the pipe fitting can be connected in the gap that two scroll boxs are formed.

9. pipe fitting according to claim 8 cuts jig, which is characterized in that the central axis of the scroll box and the pipe The centerline axis parallel of part, the scroll box are connect by the second positioning pin with the positioning mechanism.

10. a kind of pipe fitting cutting equipment, which is characterized in that the pipe fitting cutting equipment includes pedestal and according to claim 1 Jig is cut to pipe fitting described in any one of 9, wherein the pedestal is vice, and the pipe fitting can vertically be fixed on institute State the jaw of vice, the exposed outside in the vice in the position to be cut of the pipe fitting.