CN106392358B - It is a kind of can finished edge semi-automatic pattern pipe communicated wire cutting equipment - Google Patents

Abstract

The invention discloses it is a kind of can finished edge semi-automatic pattern pipe communicated wire cutting equipment, including pedestal, fixing bracket, mobile holder and fixed frame, the mobile holder is moved by mobile device on pedestal, main shaft is installed on the fixed frame, main shaft is driven by motor and is rotated, the main shaft passes through master cam component, the main the tip of the axis is fixedly connected with parallelogram connection-rod by connecting plate, one vertex of parallelogram connection-rod is connect with pattern push rod, withstand pattern profile in one end of pattern push rod, the guide groove of parallelogram connection-rod is extended with guide groove on one side, there is axis pin in guide groove, axis pin is fixed on cam follower, cam follower one end is fixed on connecting plate, the other end withstands cam contour, parallelogram connection-rod is hinged with burning torch fixed link.The present invention can greatly reduce production cost using pattern in the case where ensureing processing quality, while production efficiency has also obtained significant raising, and cutting equipment is of simple structure and low cost.

Description

A semi-automatic profiling pipe intersecting line cutting equipment capable of processing grooves

technical field

The invention relates to a semi-automatic profiling pipe intersecting line cutting device capable of processing grooves, and belongs to the field of mechanical processing industry and its equipment.

Background technique

Intersecting wire cutting equipment is widely used in the cutting and processing of pipeline structural parts in construction, chemical industry, shipbuilding, mechanical engineering, metallurgy, electric power and other industries. Intersecting line cutting equipment generally includes three parts: cutting head, claw plate, and roller frame. The cutting head has the functions of walking the intersecting line track and cutting. The mechanism has high requirements for operating sensitivity and accuracy, so the structure is relatively complicated. It is the core part of the intersecting wire cutting equipment.

At present, in the mechanical processing process, there are three types of existing pipe cutting methods: manual cutting, semi-automatic cutting machine cutting and intersecting wire cutting machine cutting. The first type of manual cutting has the advantages of flexibility and convenience, simple operation, and low cost, but manual cutting has poor quality, large dimensional errors, large material waste, and large follow-up processing workload. At the same time, the working conditions are harsh, labor intensity is high, and production efficiency is low. . Although the second type of semi-automatic cutting machine reduces the labor intensity regarding workers, its function is simple and therefore it is only suitable for cutting even more regular-shaped parts. The third type of intersecting wire cutting machine cutting can effectively improve the efficiency and cutting quality of plate cutting, and reduce the labor intensity of the operator. Its main varieties are: CNC flame intersecting wire cutting machine and CNC plasma intersecting wire cutting machine. The former has the ability to cut large-thickness carbon steel, and the cutting cost is lower, but it has large cutting deformation, low cutting accuracy, low cutting speed, long cutting preheating time and long piercing time, and it is difficult to adapt to the needs of fully automatic operation. Its application is mainly limited to the cutting of carbon steel and large-thickness plates, and it will be replaced by plasma cutting in the cutting of medium and thin carbon steel plates. The latter has a wide cutting field, can cut all metal pipes, has high cutting speed and high efficiency, and the cutting speed can reach more than 10m/min. The use of fine plasma cutting has made the cutting quality close to the level of laser cutting. At present, with the maturity of high-power plasma cutting technology, the cutting thickness has exceeded 100mm, which has broadened the range of CNC plasma intersecting wire cutting.

The consumption of steel pipes in my country's machinery industry has reached more than 300 million tons, and the cutting volume of steel pipes is very large. With the development of modern machinery industry, the requirements for work efficiency and product quality of pipe cutting processing have also increased at the same time. Therefore, intersecting wire cutting machines The market potential of China is still very large, and the market prospect is relatively optimistic. However, due to the relatively high price and maintenance costs of the intersecting wire cutting machine, considering the cost and benefit, some small and medium-sized enterprises in our country and even some large enterprises currently use manual cutting and semi-automatic cutting methods.

According to the actual domestic market demand, a special intersecting wire cutting tool with relatively high cost performance is designed, which can complete the processing of the bevel while performing intersecting wire cutting, so as to fill the gap in the domestic market.

Contents of the invention

Purpose of the invention: In order to overcome the deficiencies in the prior art, the present invention provides a semi-automatic profiling pipe intersecting line cutting equipment that can process grooves, and the use of profiling can greatly reduce production costs while ensuring the processing quality , At the same time, the production efficiency has also been significantly improved, and the cutting equipment has a simple structure and low cost.

Technical solution: In order to solve the above technical problems, a semi-automatic profiling pipe intersecting line cutting equipment capable of processing grooves according to the present invention includes a base, a fixed bracket on the base, a movable bracket and a fixed bracket on the movable bracket, The mobile bracket moves on the base through a moving device, a motor is installed on the fixed bracket, the motor is connected with a main shaft installed on the fixed bracket, the main shaft is driven to rotate by the motor, and the main shaft passes through the former on the mobile bracket The cam member and the cam member of the master model are installed on the mobile bracket. The cam member of the master model includes the contour of the model and the cam contour. Push rod connection, one end of the profiling push rod withstands the contour of the profiling, one side of the guide groove of the parallelogram connecting rod is extended with a guide groove, and there is a pin shaft in the guide groove, the pin shaft is fixed on the cam push rod, and one end of the cam push rod is fixed On the connecting plate, the other end bears against the cam profile, the parallelogram connecting rod is hinged with the torch fixing rod, the torch is installed on the torch fixing rod, and the pipe to be cut is fixed on the fixing bracket.

Preferably, the parallelogram connecting rod includes a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, the first connecting rod is parallel to the main axis, and the first connecting rod is welded or screwed to the connecting rod. On the rod, the two ends of the first connecting rod are hinged with the second connecting rod and the fourth connecting rod, the second connecting rod and the fourth connecting rod are respectively hinged with the third connecting rod, and the end of the second connecting rod in the guide groove is provided with a guide Groove, the first connecting rod is connected with the profiling push rod.

Preferably, the third connecting rod is connected to the fifth connecting rod, the fourth connecting rod is hinged to the sixth connecting rod, and the torch fixing rod is hinged to the fifth connecting rod and the sixth connecting rod at the same time.

Preferably, the moving device includes a lead screw nut and a lead screw, the moving bracket is connected with the lead screw nut, and the moving bracket is driven to move by the rotation of the lead screw.

As a preference, a three-jaw chuck is installed on the fixed bracket, a jack is installed on the base, one end of the pipeline to be cut is fixed by the three-jaw chuck, and the other end is supported by the jack.

Preferably, both the cam push rod and the cam push rod are installed on the connecting plate through bolts.

In the present invention, when the motor-driven main shaft of the profile control module drives the parallelogram linkage to rotate, the cam push rod drives the parallelogram linkage to deform under the constraint of the cam profile of the profiling cam member to control the inclination of the torch Angle, to meet the requirements of profile processing; the profiling push rod drives the parallelogram linkage mechanism to reciprocate along the axis of the main shaft under the constraint of the profiling contour of the profiling cam member, and cooperates with the movement of the cam push rod to form a pipe space intersecting line track.

In the present invention, since it is necessary to process a space intersecting line with a bevel that meets the requirements, two aspects are mainly considered in the design of the working principle:

(1) Processing of space intersecting line trajectory

By analyzing the forming principle of space intersecting lines, the present invention adopts the realization scheme of motion synthesis and the technical method of profiling control. When analyzing the intersecting lines of pipelines, it is found that the projection of the intersecting lines in the front view and the top view is a regular axisymmetric curve, so through the synthesis of a rotational motion (two-dimensional) and a linear motion (one-dimensional), we The cutting of three-dimensional space intersecting lines can be realized. The radius of rotation is the radius of the branch pipe, which is the distance from the main shaft to the AB rod. The linear motion is determined by the intersecting line to be processed, and the control is realized by making a model.

(2) Groove processing

The cam and parallelogram mechanism are adopted for the processing of the breach, and the posture of the torch can be changed without changing the position of the cutting point by using the parallelogram mechanism. Since the profile and the cam need to be closed geometrically or force-closed, it is preferable to close with spring force, so as to ensure the static stress of the mold line control template, ensure the stability of the mechanism, and ensure the processing quality.

Beneficial effects: The semi-automatic profiling pipe intersecting line cutting equipment capable of processing grooves of the present invention has the following advantages:

(1) Using the principle of profiling processing, the cutting of intersecting lines of space pipes can be realized through the synthesis of motion, which can effectively solve the problem of manual cutting and semi-automatic cutting. The problem of uneconomical production of workpieces;

(2) Because the profiling is used for intersecting line cutting control, the advantages and disadvantages of manual cutting and CNC cutting are well coordinated. This is a semi-automatic cutting equipment. When it is necessary to change the size of the cutting intersecting line, it only needs to be adjusted. The radius of rotation can be changed by replacing the supporting model. The structure is simple, the cost is low, there is no special requirement for the working environment, and the relationship between quality, economy and efficiency is well coordinated;

(3) Using the deformable principle of parallelogram, on the premise of ensuring the accuracy of the intersecting line, we can process the groove we need by cooperating with different cams;

(4) The fixed pulley weight mechanism is used for force closure, so that the profile line control template of the actuator can be subjected to static stress to ensure the stability of the mechanism and ensure the processing quality.

Description of drawings

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

Fig. 2 is a left view structural schematic diagram of the present invention.

Fig. 3 is a schematic top view of the structure of the present invention.

FIG. 4 is a schematic structural diagram of the parallelogram mechanism in FIG. 1 .

Fig. 5 is a schematic cross-sectional structure diagram of the cam member in Fig. 1 .

Detailed ways

As shown in Figures 1 to 5, a semi-automatic profiling pipe intersecting line cutting device capable of processing grooves according to the present invention includes a base 1, a fixed bracket 6 on the base 1, a mobile bracket 4 and a mobile bracket 4 on the fixed frame, the moving bracket 4 moves on the base 1 through the moving device, the moving device includes a lead screw nut and a leading screw, the moving bracket 4 is connected with the leading screw nut, and the moving bracket 4 is driven to move by the rotation of the leading screw, The mobile bracket is installed on the slide block, the slide block is sleeved on the sliding guide rail 2, the motor 7 is installed on the fixed mount, the motor 7 is connected with the main shaft 8 installed on the fixed mount, the main shaft 8 is driven to rotate by the motor 7, and the The main shaft 8 passes through the master cam member 13 on the mobile bracket 4, the master cam member 13 is installed on the mobile bracket 4, the master cam member 13 includes a master profile 131 and a cam profile 132, and the end of the main shaft 8 passes through Connecting plate 81 is fixedly connected with parallelogram connecting rod 9, and a vertex of parallelogram connecting rod 9 is connected with model push rod, and one end of model push rod withstands model contour 131, and the guide groove of parallelogram connecting rod 9 extends on one side with Guide groove, pin shaft 14 is arranged in the guide groove, and guide groove moves along pin shaft 14, and pin shaft 14 is fixed on the cam push rod 93, and one end of cam push rod 93 is fixed on the mounting plate 81, and the other end withstands the cam profile 132, The parallelogram connecting rod 9 is hinged with the torch fixed rod 97, the torch 10 is installed on the torch fixed rod 97, the pipeline 11 to be cut is fixed on the fixed support 6, and the three-jaw chuck 12 is installed on the fixed support 6, and the base Jack 5 is installed on 1, and pipeline 11 one ends to be cut are fixed by three claw chuck 12, and the other end is supported by jack 5.

In the present invention, the parallelogram connecting rod 9 comprises a first connecting rod 91, a second connecting rod 92, a third connecting rod 94 and a fourth connecting rod 95, and the four vertices forming a quadrilateral are A, B, C, D. The first connecting rod 91 is an AB rod, the second connecting rod 92 is a BC rod, the third connecting rod 94 is a CD rod, and the fourth connecting rod 95 is a DA rod. The first connecting rod is parallel to the main shaft 8. A connecting rod is fixed on the connecting plate, the two ends of the first connecting rod 91 are hinged with the second connecting rod 92 and the fourth connecting rod 95, and the second connecting rod 92 and the fourth connecting rod 95 are respectively hinged with the third connecting rod 94, The end of the second connecting rod 92 is connected with the guide groove, and the first connecting rod 91 and the profiling push rod are the same rod.

In the present invention, the third connecting rod 94 is fixedly connected with the fifth connecting rod, the third connecting rod 94 and the fifth connecting rod are preferably the same rod, the fourth connecting rod 95 is hinged with the sixth connecting rod 96, and the torch The fixed rod 97 is hinged with the fifth connecting rod and the sixth connecting rod 96 at the same time, the fifth connecting rod is a DE rod, the sixth connecting rod 96 is a FG rod, DEFG forms a parallelogram, and the parallelogram mechanism ABCD and DEFG are connected in series, wherein the parallelogram ABCD can control the processing parameters of the pipe intersecting line, and the parallelogram DEFG can adjust the angle of the torch 10, thereby controlling the cutting parameters.

In the present invention, the annular cylindrical cam and the master structure of the master cam member 13 adopt a production scheme of integral processing of a single part, so as to prevent the phase difference between the two and affect the processing accuracy. Structural closure or elastic force closure are adopted between the cam push rod and the cam profile, and between the cam push rod 93 and the cam profile, so as to improve the working stability and reliability of the equipment. The parallelogram connecting rod 9 is formed by connecting two or more quadrilateral mechanisms in series, and is respectively used for adjusting parameters such as pipeline space intersecting lines and slit angles.

In the present invention, the overall frame of the novel semi-automatic profiling pipe intersecting line cutting equipment that can process cuts is constructed from industrial aluminum profile European standard 4020, and standard parts are used as far as possible in the design process, which can improve Manufacturing precision reduces the manufacturing cost of equipment. The strength of the optical axis and lead screw has been checked to ensure the strength requirements of the equipment.

The working method of the new semi-automatic profiling pipe intersecting line cutting equipment that can process the cutout is as follows:

(1) Select a suitable profiling cam member 13 according to the size information of the pipeline to be processed and the groove to be processed, and install it on the base 1;

(2) Clamp the V-shaped block supported by the three-jaw chuck 12 and the jack 5 to the pipeline;

(3) Adjust the position of the profiling cam mechanism and the parallelogram mechanism along the direction of the main shaft 8 and the direction of the pipeline axis to determine the cutting position of the intersecting line;

(4) After checking that the cam push rod 93, the profiling push rod and the profiling cam member 13 are in contact correctly, start the power supply of the equipment to process the required pipeline intersecting line with groove;

(5) After the processing is completed, the power is turned off, and the cleaning equipment is ready for the next processing.

The above is only a preferred embodiment of the present invention, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications are also possible. It should be regarded as the protection scope of the present invention.

Claims (6)

1. it is a kind of can finished edge semi-automatic pattern pipe communicated wire cutting equipment, it is characterised in that：Including pedestal, it is located at bottom Fixing bracket, mobile holder on seat and the fixed frame on mobile holder, the mobile holder is by mobile device the bottom of at It is moved on seat, motor is installed on the fixed frame, motor is connect with the main shaft on fixed frame, and main shaft passes through motor band Turn is dynamic, and the main shaft is placed through the master cam component on mobile holder, and master cam component is mounted on mobile holder, Master cam component includes pattern profile and cam contour, and the main the tip of the axis is fixedly connected with parallel four side by connecting plate Shape connecting rod, one vertex of parallelogram connection-rod are connect with pattern push rod, and pattern profile is withstood in one end of pattern push rod, and parallel four The guide groove of side shape connecting rod is extended with guide groove on one side, has axis pin, axis pin to be fixed on cam follower in guide groove, cam follower One end is fixed on connecting plate, and the other end withstands cam contour, and parallelogram connection-rod is hinged with burning torch fixed link, and burning torch is fixed Burning torch is installed, pipeline to be cut is fixed on fixing bracket on bar.

2. it is according to claim 1 can finished edge semi-automatic pattern pipe communicated wire cutting equipment, it is characterised in that： The parallelogram connection-rod includes first connecting rod, second connecting rod, third connecting rod and fourth link, the first connecting rod and main shaft Parallel, first connecting rod is fixed on connecting plate, and first connecting rod both ends are hinged with second connecting rod and fourth link, second connecting rod and Double leval jib is hinged with third connecting rod respectively, and the end of guide groove second connecting rod is equipped with guide groove, and first connecting rod is with pattern push rod Same bar.

3. it is according to claim 2 can finished edge semi-automatic pattern pipe communicated wire cutting equipment, it is characterised in that： The third connecting rod is connect with the 5th connecting rod, and fourth link and six-bar linkage are hinged, burning torch fixed link simultaneously with the 5th connecting rod and Six-bar linkage is hinged.

4. it is according to claim 1 can finished edge semi-automatic pattern pipe communicated wire cutting equipment, it is characterised in that： The mobile device includes feed screw nut and leading screw, and mobile holder is connect with feed screw nut, is rotated by leading screw and is driven mobile branch Frame moves.

5. it is according to claim 1 can finished edge semi-automatic pattern pipe communicated wire cutting equipment, it is characterised in that： Scroll chuck is installed on the fixing bracket, jack is installed on pedestal, pipeline one end to be cut is fixed by scroll chuck, The other end passes through very heavy top support.

6. it is according to claim 1 can finished edge semi-automatic pattern pipe communicated wire cutting equipment, it is characterised in that： The pattern push rod and cam follower are mounted on by bolt on connecting plate.