CN115533201A - CNC circular pipe sawing machine - Google Patents

Abstract

The invention discloses a numerically controlled round pipe sawing machine, which comprises a working platform. A first column and a second column are arranged on the working platform. The first column is rotatably connected with a first hollow main shaft, and the second column is rotatably connected with a second column. Two hollow main shafts, one end of the first hollow main shaft is provided with a first chuck, the other end is provided with a first driven synchronous wheel, one end of the second hollow main shaft is provided with a second chuck, and the other end is provided with a second driven synchronous wheel There is a transmission shaft on the working platform, a first driving synchronous wheel and a second driving synchronous wheel are provided on the transmission shaft, a first synchronous belt is provided on the first driving synchronous wheel and the first driven synchronous wheel, and the second driving synchronous wheel The synchronous wheel and the second driven synchronous wheel are provided with a second synchronous belt; a knife seat is also provided with a linear reciprocating mechanism, and a cutting knife and a chamfering knife are also provided on the knife seat. The circular pipe sawing machine has the characteristics of automatic cutting, automatic chamfering, convenient processing, complete overall functions and strong practicability.

Description

CNC circular pipe sawing machine

technical field

The invention relates to the technical field of mechanical equipment, more specifically, it relates to a numerical control circular pipe sawing machine.

Background technique

The old-fashioned pipe sawing machine saw the pipe in a fixed way, and the tool was fed along the cutting direction to cut off the workpiece. This processing method can only meet low-precision processing. If you want to ensure that the verticality between the end face and the axis of the round tube is within 0.1mm, at the same time, you can only use a lathe for secondary processing for deburring and corner chamfering after cutting. The operation is cumbersome and time-consuming, and the overall effect is not good. Accordingly, the present invention proposes a numerical control circular pipe sawing machine.

Contents of the invention

The purpose of the present invention is to overcome the shortcomings in the above-mentioned prior art, and provide a numerically controlled circular pipe sawing machine, which has the characteristics of automatic cutting, automatic chamfering, and convenient processing.

In order to solve the above-mentioned technical problems, the object of the present invention is achieved in the following way: a CNC circular pipe sawing machine involved in the present invention includes a machine base, a working platform is arranged on the machine base, and the left and right sides of the working platform are arranged on the working platform. The first column and the second column are symmetrically arranged, the first column is rotatably connected with the first hollow main shaft, and the second column is rotatably connected with the second hollow main shaft coaxially arranged with the first hollow main shaft, so The end of the first hollow main shaft close to the second hollow main shaft is provided with a follow-up first chuck, and the end far away from the second hollow main shaft is provided with a follow-up first driven synchronous wheel, and the second hollow main shaft is close to the first One end of the hollow main shaft is provided with a follow-up second chuck, and one end away from the first hollow main shaft is provided with a follow-up second driven synchronous wheel. The working platform is rotatably connected with a drive shaft, and one end of the drive shaft is provided with The first active synchronous wheel matching the first driven synchronous wheel, the other end is provided with the second active synchronous wheel matching the second driven synchronous wheel, the first active synchronous wheel and the first driven synchronous wheel drive A first synchronous belt is connected, a second synchronous belt is connected to the second driving synchronous wheel and the second driven synchronous wheel, and a power assembly is connected to the drive shaft to control its rotation;

A knife seat is provided between the first column and the second column, and a linear reciprocating mechanism is provided on the knife seat to control its forward and backward movement. The linear reciprocating mechanism is arranged on the working platform, and the knife seat is provided with The cutting knife is arranged on one side of the axis of the first hollow main shaft and the second hollow main shaft, and the chamfering knife is arranged on the other side of the axis of the first hollow main shaft and the second hollow main shaft.

The present invention is further configured as follows: the knife seat is provided with a vertical plate, the vertical plate is provided with a cutting knife mounting seat and a chamfering knife mounting seat, and the cutting knife mounting seat is provided with a cutting knife mounting hole extending forward and backward. The chamfering knife installation seat is provided with a chamfering knife installation hole that also extends forward and backward. A cutting knife adjustment block is slidably connected in the cutting knife installation hole, and a cutting knife adjustment jack is opened on the cutting knife adjustment block. The cutting knife is slidably connected in the cutting knife adjusting socket, the first locking screw with the end against the cutting knife adjusting block is threadedly connected on the cutting knife mounting seat, and the chamfering knife is slidingly connected with a chamfering screw in the mounting hole. A corner knife adjustment block, the chamfering knife is arranged on the chamfering knife adjustment block, and the second locking screw whose end is against the chamfering knife adjustment block is threadedly connected to the chamfering knife mounting seat.

The present invention is further configured as follows: the front and rear sides of the tool seat are respectively provided with chip baffles that move with it.

The present invention is further configured as follows: chip guide grooves are provided on the working platform.

The present invention is further set as follows: the right side of the machine base is provided with a blanking frame; the blanking frame includes a suspension main body extending away from the machine base, the suspension main body is provided with a first guide wheel mounting frame, the second A guide wheel mounting frame is rotatably connected with two blanking side guide wheels arranged symmetrically front and back, and a blanking guide wheel located below it and rotatably connected to the first guide wheel mounting frame is arranged between the blanking side guide wheels. A blanking channel with an opening upward is formed between the blanking guide wheel and the two blanking side guide wheels, and the blanking channel is arranged on the axis of the second hollow main shaft.

The present invention is further configured as follows: the end of the feeding channel away from the second hollow main shaft is provided with a limit assembly on the main body of the suspension; the limit assembly includes a limit frame arranged on the main body of the suspension, and the limit The frame is rotatably connected with a limiting plate whose initial position is blocked at one end of the feeding channel. When the limiting plate rotates 180°, the limiting plate is no longer blocked at one end of the feeding channel.

The present invention is further set as follows: the left side of the machine base is provided with a feeding rack; Two feeding side guide wheels are symmetrically arranged front and back, and a loading and lower guiding wheel located below it and rotatably connected to the second guiding wheel mounting frame is arranged between the feeding side guiding wheels. A feeding channel with an opening facing upward is formed between the guide wheels on the feeding side, and the feeding channel is arranged on the axis of the first hollow main shaft.

The present invention is further provided that: both the first chuck and the second chuck are pneumatic chucks.

The present invention is further provided that: the linear reciprocating mechanism includes a linear module.

The present invention is further provided that: the power assembly includes a servo motor.

In summary, the present invention has the following beneficial effects:

1. The double chucks rotate synchronously, so that the cut round tube clamped on the chucks can be positioned accurately, which is conducive to subsequent precise cutting and chamfering;

2. The same linear reciprocating mechanism drives the cutting knife and chamfering knife to move at the same time, realizing the cutting and double-sided chamfering operation of the cut round tube at one time;

3. There is no need for secondary clamping, and the processing efficiency is greatly improved.

Description of drawings

Fig. 1 is the overall structure schematic diagram of embodiment 1 of the present invention;

Fig. 2 is a partial structural schematic diagram of Embodiment 1 of the present invention;

Fig. 3 is a structural schematic diagram of another perspective of Fig. 2;

Fig. 4 is a partial structural schematic diagram of Embodiment 1 of the present invention;

Fig. 5 is a schematic diagram of the internal structure of Fig. 4;

Fig. 6 is a schematic structural diagram for embodying the knife seat in Embodiment 1 of the present invention;

Fig. 7 is a structural schematic diagram of another perspective of Fig. 6;

Fig. 8 is a schematic structural diagram for embodying a cutting knife in Embodiment 1 of the present invention;

Fig. 9 is a schematic structural diagram for embodying a chamfering knife in Embodiment 1 of the present invention;

Fig. 10 is a schematic diagram of the overall structure of Embodiment 2 of the present invention;

Fig. 11 is a partial structural schematic diagram of Embodiment 2 of the present invention;

Fig. 12 is a schematic diagram of the overall structure of Embodiment 3 of the present invention;

Fig. 13 is a partial structural schematic diagram of Embodiment 3 of the present invention;

Fig. 14 is a schematic diagram of a partial structure of Embodiment 3 of the present invention.

detailed description

In order to enable those skilled in the art to better understand the technical solutions of the present invention, the preferred embodiments of the present invention are described below in conjunction with specific examples, but it should be understood that these descriptions are only to further illustrate the features and advantages of the present invention, rather than Limitations on Patent Requirements for the Invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

The present invention will be further described below in conjunction with the accompanying drawings and preferred embodiments.

Example 1

Referring to Figures 1 to 9, a CNC circular pipe sawing machine involved in this embodiment includes a machine base 1, on which a working platform 2 is arranged, and the working platform 2 is provided with left-right symmetrical The first column 3 and the second column 4, the first column 3 is rotatably connected with a first hollow main shaft 5, and the second column 4 is rotatably connected with a second hollow coaxially arranged with the first hollow main shaft. Main shaft 6, the end of the first hollow main shaft 5 close to the second hollow main shaft is provided with a follow-up first chuck 7, and the end far away from the second hollow main shaft is provided with a follow-up first driven synchronous wheel 8, the One end of the second hollow main shaft 6 near the first hollow main shaft is provided with a follow-up second chuck 9; Connected with a transmission shaft 11, one end of the transmission shaft 11 is provided with a first active synchronous wheel 12 matching the first driven synchronous wheel, and the other end is provided with a second active synchronous wheel 13 matching the second driven synchronous wheel, so The first driving synchronous wheel 12 and the first driven synchronous wheel 8 are connected with a first synchronous belt 14, and the second driving synchronous wheel 13 and the second driven synchronous wheel 10 are connected with a second synchronous belt 15. , the transmission shaft 11 is connected with a power assembly 16 for controlling its rotation;

A knife seat 17 is provided between the first column 3 and the second column 4, and the knife seat 17 is provided with a linear reciprocating mechanism 18 for controlling it to move back and forth. The linear reciprocating mechanism 18 is located on the working platform 2, The cutter holder 17 is provided with a cutting knife 19 arranged on one side of the axis of the first hollow main shaft and the second hollow main shaft, and a chamfering knife 20 arranged on the other side of the axis of the first hollow main shaft and the second hollow main shaft.

Further, the knife seat 17 is provided with a vertical plate 21, the vertical plate 21 is provided with a cutting knife mounting seat 22 and a chamfering knife mounting seat 23, and the cutting knife mounting seat 22 is provided with a cutting knife extending forward and backward. Mounting holes (not marked in the figure), the chamfering knife mounting hole (not marked in the figure) that also extends forward and backward is provided on the described chamfering knife mounting seat 23, and a cutting knife is slidably connected in the described cutting knife mounting hole to adjust Block 24, cut-off knife adjustment block 24 is provided with cut-off knife adjustment socket 25, and described cut-off knife 19 is slidably connected in the cut-off knife adjustment jack 25, and described cut-off knife mounting seat 22 is threadedly connected with end to resist cutting off. The first locking screw (not shown in the figure) of the knife adjusting block 24, the chamfering knife adjusting block 26 is slidably connected in the described chamfering knife mounting hole, and the chamfering knife 20 is located at the chamfering knife adjusting block 26 Above, the chamfering knife mounting seat 23 is threadedly connected with a second locking screw (not shown in the figure) whose end is against the chamfering knife adjusting block 26 .

Further, the front and rear sides of the tool seat 17 are respectively provided with chip baffles 27 that move with it.

Further, chip guide grooves 28 are opened on the working platform 2 .

Further, the first chuck 7 and the second chuck 9 are both pneumatic chucks.

Further, the linear reciprocating mechanism 18 includes a linear module.

Further, the power assembly 16 includes a servo motor.

In this embodiment, a round tube to be cut is first inserted into the first hollow main shaft 5 and the second hollow main shaft 6, and the axial position of the round tube is adjusted so that the position to be cut is in line with the cutter (comprising cutting knife and chamfering) knife) on the same straight line, then lock the first chuck 7 and the second chuck 9 to complete the axial and radial fixation of the round tube, and then start the power assembly 16 to make it drive the transmission shaft 11 to rotate , driven by the synchronous wheel and the synchronous belt, the chuck carries the round tube for high-speed rotation, and finally the linear reciprocating mechanism 18 controls the tool to advance, first the cutting knife 19 touches the round tube to complete the cutting, and then the chamfering knife 20 touches Round tube, complete with chamfer.

Wherein, through the arrangement of the chip baffle 27, the waste generated during the machining process is prevented from splashing.

Wherein, through the setting of the chip guide groove 28, waste chip recycling and cleaning of the working platform 2 are facilitated.

In this embodiment, through the setting of the chamfering knife mounting seat 23, the chamfering knife adjusting block 26 equipped with the chamfering knife 20 can be adjusted in the chamfering knife mounting hole on the chamfering knife mounting seat 23, and by The locking screw realizes the fixing function after adjustment. Wherein, through the setting of the cutting knife mounting seat 22, the cutting knife adjusting block 24 equipped with the cutting knife 19 can be adjusted in the cutting knife mounting hole of the cutting knife mounting seat 22, and the fixing function after the adjustment is completed by the locking screw and when the locking screw locks the cutting knife adjusting block 24, the cutting knife adjusting socket 25 is deformed, and the tightness of the cutting knife 19 is completed.

Example 2

Referring to Figures 1 to 11, a CNC circular pipe sawing machine involved in this embodiment, on the basis of Embodiment 1, is further set as follows: the right side of the base 1 is provided with a blanking rack 100; the blanking rack 100 includes a suspension main body 29 extending away from the base 1, the suspension main body 29 is provided with a first guide wheel mounting frame 30, and the first guide wheel mounting frame 30 is rotatably connected with two The blanking side guide wheel 31 that is symmetrically arranged front and back, the blanking side guide wheel 31 is provided with the blanking lower guide wheel 32 that is positioned at its below and is rotatably connected on the first guide wheel mounting frame, and the blanking lower guide wheel 32 A blanking channel (not marked) with an opening facing upward is formed between the two blanking side guide wheels 31 , and the blanking channel is arranged on the axis of the second hollow main shaft 6 .

Further, the end of the blanking channel away from the second hollow main shaft 6 is provided with a limit assembly on the suspension main body 29; the limit assembly includes a limit frame 33 provided on the suspension main body 29 to limit The position frame 33 is rotatably connected with a limiting plate 34 whose initial position is blocked at one end of the feeding channel. When the limiting plate 34 rotates 180°, the limiting plate 34 is no longer blocked at one end of the feeding channel.

In this embodiment, through the setting of the blanking rack 100, the circular tube protruding from the second hollow main shaft 6 and having completed the cutting and chamfering moves along the blanking channel, and finally the fixed length is realized by the limiting plate 34 cutting. If the limiting plate 34 is rotated by 180°, the limiting plate 34 is no longer blocked at one end of the blanking channel, so the cutting length of the round pipe can be customized.

Example 3

Referring to Figures 1 to 14, a CNC circular pipe sawing machine involved in this embodiment, on the basis of Embodiment 2, is further provided with a feeding rack on the left side of the base 1 200; the feeding rack 200 includes a rack main body 35, the rack main body 35 is provided with a second guide wheel mounting frame 36, and the second guiding wheel mounting frame 36 is rotatably connected with two feeding side guide wheels 37 arranged symmetrically before and after , the feeding side guide wheel 37 is provided with the upper material lower guide wheel 38 that is located below it and is rotatably connected to the second guide wheel mounting bracket, the upper material lower guide wheel 38 and the two described upper material side guide wheels 39 A feeding channel (not marked in the figure) with an opening facing upward is formed between them, and the feeding channel is arranged on the axis of the first hollow main shaft 5 .

In this embodiment, the setting of the feeding rack 200 is used to store the round tubes to be processed and use the feeding channel to complete the processing and feeding of the round tubes.

The CNC circular pipe sawing machine involved in the present invention adopts a double chuck synchronous rotation structure, so that the cut circular pipe clamped on the chucks can be positioned accurately, which is conducive to subsequent precise cutting and chamfering ; and through the same linear reciprocating mechanism, the cutting knife and the chamfering knife are driven to move at the same time, realizing the cutting and double-sided chamfering of the cut round tube at one time; there is no need for secondary clamping, the processing efficiency is greatly improved, and the overall function is perfect. Strong practicality.

Unless otherwise specified, in the present invention, if there are terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", " Orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the actual orientation or positional relationship shown, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, so the present invention The terms describing the orientation or positional relationship in the document are only for illustrative purposes, and should not be construed as limitations on this patent. For those of ordinary skill in the art, they can understand the specific meanings of the above terms according to specific situations in combination with the embodiments.

Unless otherwise clearly specified and limited, in the present invention, if the terms "arrangement", "connection" and "connection" should be interpreted in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection ; It can be a direct connection, or an indirect connection through an intermediary, or an internal connection between two elements. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

The preferred specific embodiments of the present invention have been described in detail above. It should be understood that those skilled in the art can make many modifications and changes according to the concept of the present invention without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of the present invention through logical analysis, reasoning or limited experiments on the basis of the prior art shall be within the scope of protection defined by the claims.

Claims (10)

1. Numerical control circular pipe sawing machine, comprising a machine base, a working platform is arranged on the machine base, and it is characterized in that: the first column and the second column arranged symmetrically on the left and right are arranged on the working platform, and the first column The first hollow main shaft is rotatably connected to the top, and the second hollow main shaft is rotatably connected to the second hollow main shaft coaxially with the first hollow main shaft. The end of the first hollow main shaft close to the second hollow main shaft is provided with a follower The end of the first chuck away from the second hollow main shaft is provided with a follow-up first driven synchronous wheel, and the end of the second hollow main shaft close to the first hollow main shaft is provided with a follow-up second chuck far away from the first hollow main shaft. One end of a hollow main shaft is provided with a follow-up second driven synchronous wheel, a transmission shaft is rotatably connected to the working platform, and one end of the transmission shaft is provided with a first driving synchronous wheel matching the first driven synchronous wheel, The other end is provided with a second active synchronous wheel matching the second driven synchronous wheel, the first active synchronous wheel and the first driven synchronous wheel are connected with a first synchronous belt, and the second active synchronous wheel and the first The second driven synchronous wheel is connected with a second synchronous belt, and the transmission shaft is connected with a power assembly for controlling its rotation; A knife seat is provided between the first column and the second column, and a linear reciprocating mechanism is provided on the knife seat to control its forward and backward movement. The linear reciprocating mechanism is arranged on the working platform, and the knife seat is provided with The cutting knife is arranged on one side of the axis of the first hollow main shaft and the second hollow main shaft, and the chamfering knife is arranged on the other side of the axis of the first hollow main shaft and the second hollow main shaft. 2. The CNC circular pipe sawing machine according to claim 1, characterized in that: the knife seat is provided with a vertical plate, and the vertical plate is provided with a cutting knife mounting seat and a chamfering knife mounting seat, and the cutting knife A cutting knife installation hole extending forward and backward is provided on the mounting base, and a chamfering knife installation hole also extending forward and backward is provided on the chamfering knife installation seat, and a cutting knife adjustment block is slidably connected in the cutting knife installation hole, The cutting knife adjustment block is provided with a cutting knife adjustment jack, the cutting knife is slidably connected in the cutting knife adjustment jack, and the cutting knife mounting seat is threaded with a first locking mechanism whose end is against the cutting knife adjustment block. screw, the chamfering knife adjusting block is slidably connected in the mounting hole of the chamfering knife, the chamfering knife is arranged on the chamfering knife adjusting block, and the end of the chamfering knife mounting seat is threadedly connected to resist the chamfering Second locking screw for knife adjustment block. 3. The CNC circular pipe sawing machine according to claim 2, characterized in that: the front and rear sides of the knife seat are respectively provided with chip guards that move with it. 4. The CNC circular pipe sawing machine according to claim 3, characterized in that: said working platform is provided with chip guide grooves. 5. The CNC circular pipe sawing machine according to any one of claims 1-4, characterized in that: the right side of the base is provided with a blanking rack; The unloading rack includes a suspension main body that extends back to the machine base. The first guide wheel mounting frame is provided on the suspension main body. The blanking side guide wheel is provided with a blanking lower guide wheel located below it and rotatably connected to the first guide wheel mounting frame, and an opening is formed between the blanking lower guide wheel and the two blanking side guide wheels. Upward unloading channel, the unloading channel is set on the axis of the second hollow main shaft. 6. The CNC circular pipe sawing machine according to claim 5, characterized in that: the end of the feeding channel away from the second hollow main shaft is provided with a limit assembly on the main body of the suspension; The limit assembly includes a limit frame arranged on the main body of the suspension. The limit frame is rotatably connected with a limit plate whose initial position is blocked at one end of the feeding channel. When the limit plate rotates 180°, the limit plate does not stop. Then stop at one end of the feeding channel. 7. The CNC circular pipe sawing machine according to claim 6, characterized in that: the left side of the base is provided with a feeding rack; The feeding rack includes a main body of the feeding rack, on which a second guide wheel mounting frame is arranged, and two feeding side guide wheels arranged symmetrically before and after are rotatably connected to the second guiding wheel mounting frame, and there is a set between the feeding side guide wheels. There is a loading and lower guide wheel located below it and rotatably connected to the second guide wheel mounting frame. A feeding channel with an opening facing upward is formed between the loading and lower guide wheel and the two feeding side guide wheels. A channel is provided on the axis of the first hollow main shaft. 8. The CNC circular pipe sawing machine according to claim 1, characterized in that: both the first chuck and the second chuck are pneumatic chucks. 9. The CNC circular pipe sawing machine according to claim 1, wherein the linear reciprocating mechanism comprises a linear module. 10. The CNC circular pipe sawing machine according to claim 1, wherein the power assembly includes a servo motor.

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