CN210649467U

CN210649467U - Outer-clamping type numerical control cutting beveling machine capable of forming various bevel shapes

Info

Publication number: CN210649467U
Application number: CN201920967342.9U
Authority: CN
Inventors: 黄欣; 毛华超
Original assignee: Wuhan Lefa Technology Development Co ltd
Current assignee: Wuhan Lefa Technology Development Co ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-06-02
Anticipated expiration: 2029-06-26

Abstract

The utility model relates to a numerical control machining technical field especially involves in groove cutting equipment of heavy-calibre pipeline. Can beat outer double-layered formula numerical control cutting groove machine of multiple groove shape, including rotatory knife rest, rotatory knife rest driving motor, cutter holder, cutter and controller, the cutter holder includes: the horizontal moving seat is placed on the base, the horizontal screw is in threaded connection with the horizontal moving seat, and a rod head of the horizontal screw is in transmission connection with an output shaft of the first motor; a vertical support is fixedly arranged on the horizontal moving seat, a vertical screw is in threaded connection with the vertical moving seat, a cutter is fixed on the vertical moving seat, and a rod head of the vertical screw is in transmission connection with an output shaft of the second motor; the controller is electrically connected with the first motor and the second motor respectively. The utility model can simultaneously carry out cutting and groove operation, and avoid cutter clamping; one knife can complete various groove shapes without a plurality of special groove blades. The utility model provides high on-the-spot processingquality and machining efficiency have reduced the processing degree of difficulty.

Description

Outer-clamping type numerical control cutting beveling machine capable of forming various bevel shapes

Technical Field

The utility model relates to a numerical control machining technical field especially involves in groove cutting equipment of heavy-calibre pipeline.

Background

An external clamping type cutting beveling machine is common equipment for beveling of large-diameter pipelines. At present, the outer clamping type cutting beveling machine mainly has the following problems:

first, the problem of tool jamming is likely to occur in the case where the cutting contact area is large and the cutting force requirement is high.

And secondly, after the beveling machine is cut off, different bevel shapes are required to be cut according to requirements. The existing cutting beveling machine needs to be provided with a special cutter when cutting different bevel shapes. Especially when the groove is complicated, a plurality of different cutters are needed.

Thirdly, the operator is required to have strong experience, and frequent detection and tool changing are required, so that the operation is very inconvenient.

Therefore, there is an urgent need to develop a collet type beveling machine capable of forming various bevel shapes.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a can beat outer double-layered formula numerical control cutting off beveling machine of multiple groove shape is provided, cutting and the groove of pipeline that carries on that can be simple swift.

In order to solve the technical problem, the utility model provides a can beat outer double-layered formula numerical control cutting groove machine of multiple groove shape, including revolving knife rest, revolving knife rest driving motor, tool holder, cutter and controller, the tool holder includes: the base is fixed on the rotary tool rest, the surface of the base is horizontal, the horizontal moving seat is placed on the base, the side surface of the base is fixedly connected with the first seat plate, the first motor is horizontally and fixedly installed on the first seat plate, the rod head of the horizontal screw is installed on the first seat plate through a bearing, the screw rod part of the horizontal screw is in threaded connection with the horizontal moving seat, and the rod head of the horizontal screw is in transmission connection with an output shaft of the first motor;

a vertical support is fixedly arranged on the horizontal moving seat, a second seat plate is arranged at the upper end of the vertical support, a second motor is vertically and fixedly arranged on the second seat plate, a rod head of a vertical screw rod is arranged on the second seat plate through a bearing, the rod head of the vertical screw rod is in transmission connection with an output shaft of the second motor, a screw rod part of the vertical screw rod is in threaded connection with the vertical moving seat, and a cutter is fixed on the vertical moving seat;

the controller is electrically connected with the first motor and the second motor respectively.

Preferably, the vertical movement seat is at least one transparent block, the main body of the cutter is placed in the vertical movement seat, the cutter head is exposed out of the transparent face, a top fixing bolt is arranged on the vertical movement seat, and the top fixing bolt presses the cutter to fix the cutter.

Preferably, the base is provided with a first limiting block and a second limiting block, the first limiting block and the second limiting block are parallel to the horizontal screw rod in respective length directions, and the horizontal moving seat is located between the first limiting block and the second limiting block and is in sliding contact with the first limiting block and the second limiting block respectively.

Furthermore, the first limiting block and the second limiting block are respectively inclined to the base in the height direction, and are respectively embedded in the horizontal moving seat in an inclined mode to limit the offset of the horizontal moving seat on the vertical plane.

The vertical support is a door type frame, and the vertical screw rod is positioned between the two door frames of the vertical support; the part of the vertical moving seat connected with the vertical screw is embedded between two door frames of the vertical support to limit the deviation of the vertical moving seat on the horizontal plane.

The utility model discloses set up the motor drive's of level and vertical direction screw rod to through the motor of controller control level and vertical direction, the feed of controllable regulation cutter reaches following beneficial effect: 1. the cutting and groove opening operation can be carried out simultaneously, so that the cutter clamping caused by too large cutting force is avoided; 2. one knife can finish various groove shapes without a plurality of special groove blades 3, and the groove cutting of the pipeline can be simultaneously finished by inputting the pipe diameter, the wall thickness and the related groove requirements to the controller.

In a word, the utility model provides high on-spot processingquality and machining efficiency have reduced the processing degree of difficulty.

Drawings

The technical solution of the present invention will be further specifically described below with reference to the accompanying drawings and the detailed description.

Fig. 1 is a top view of the whole structure of the utility model when clamping a pipe.

Fig. 2 is a perspective view of the whole structure of the utility model when clamping the pipe.

Fig. 3 is the overall structure front view of the utility model when clamping the pipe fitting.

Fig. 4 is a view angle diagram of the tool seat according to the present invention.

Fig. 5 is a view showing another perspective of the tool rest according to the present invention.

Fig. 6 is a relative schematic view of the tool seat of the present invention, the pipe fitting to be cut and the cutting groove.

Fig. 7 is a schematic diagram of the controller controlling the cutter to cut the groove.

Detailed Description

As shown in fig. 1, 2 and 3, the utility model discloses outer formula of pressing from both sides cut off beveling machine presss from both sides on pipe fitting 1 through four top set screws 5 on upper and lower, left and right sides, and outer formula of pressing from both sides cuts off beveling machine includes revolving knife rest 2, revolving knife rest driving motor 3, cutter holder 4, cutter and controller, and wherein, revolving knife rest 2, revolving knife rest driving motor 3 belong to the current outer formula of pressing from both sides general part that cuts off beveling machine, and sign 6 instructs the rotatory annular edge of a knife that cuts off of cutter.

As shown in fig. 4 and 5, the tool holder 4 includes: the base 10 can be fixed on a rotary cutter frame through a screw hole 11 and a bolt structure, the surface of the base 10 is horizontal, a horizontal moving seat 28 is placed on the base 10, the side surface of the base 10 is fixedly connected with a first seat plate 12, a first motor 13 is horizontally and fixedly installed on the first seat plate 12, a rod head 15 of a horizontal screw rod is installed on the first seat plate 12 through a bearing, a screw rod part of the horizontal screw rod is in threaded connection with the horizontal moving seat 28, and the rod head of the horizontal screw rod 15 is in transmission connection with an output shaft 14 of the first motor through a belt 16; of course, it is clear to those skilled in the art that the rod head of the horizontal screw 15 and the output shaft 14 of the first motor may be connected through a transmission member such as a chain or a gear. The base 10 is provided with a first limiting block 25 and a second limiting block 26, the first limiting block 25 and the second limiting block 26 are parallel to the horizontal screw in respective length directions, the first limiting block 25 and the second limiting block 26 are respectively inclined to the base 10 in the height direction, the first limiting block 25 and the second limiting block 26 are respectively obliquely embedded in the horizontal moving seat 28 to limit the offset of the horizontal moving seat 28 on the vertical plane, and the horizontal moving seat 28 is respectively in sliding contact with the first limiting block 25 and the second limiting block 26.

The horizontal moving seat 28 is fixedly provided with the vertical support 17, the upper end of the vertical support 17 is provided with the second seat plate 22, the second motor 18 is vertically and fixedly arranged on the second seat plate 22, the rod head 24 of the vertical screw is arranged on the second seat plate 22 through a bearing, and the rod head 24 of the vertical screw is in transmission connection with the output shaft 23 of the second motor through a belt 29. The lead screw portion of the vertical screw is threadedly coupled to the vertical moving base 19. The vertical moving seat 19 is a block with at least one through surface, the main body of the cutter 20 is placed in the vertical moving seat 19, the cutter head is exposed through the through surface, the vertical moving seat 19 is provided with a top fixing bolt 21, and the top fixing bolt 21 presses the cutter to fix the cutter on the vertical moving seat 19.

The vertical support 17 is a door type frame, and the vertical screw rod is positioned between two door frames of the vertical support 17; the portion of the vertically movable seat 19 connected to the vertical screw is inserted between the two door frames of the vertical support 17, and the offset of the vertically movable seat 19 in the horizontal plane is restricted.

The controller is electrically connected with the first motor 13 and the second motor 18 respectively.

The first motor 13, i.e. the X-axis stepping motor, drives the X-axis belt 16 to rotate the horizontal (X-axis direction) screw rod, so as to convert the rotation of the stepping motor into linear motion, and further generate the movement of the horizontal moving base 28, the vertical moving base 19, and the tool in the X-axis direction. The second motor 18, i.e. the Z-axis stepping motor, drives the vertical moving base 19, i.e. the cutter, to move in the Z-axis direction through the belt 29 and the vertical screw. Thereby producing a two-axis controlled movement of the tool.

The controller and the motor drive are used for controlling the X-axis motor and the Z-axis motor, meanwhile, the controller can read the step number of the stepping motor so as to determine the moving distance of each axis, and the turning tool is used for cutting the surface of the pipe by controlling the movement of the X axis and the Z axis. The controller sends out control signals in a wired or wireless mode.

Referring to fig. 6 and 7, a general groove shape generation method is described:

1. starting from the outer edge of the tube, namely initializing x to be 0; and starting the rotary power motor to enable the outer-clamping type groove cutting machine to drive the cutter to rotate around the pipe.

2. The x + dx deep port is cut first in the radial direction (x direction) of the tube.

3. The orifice is then widened along the tube surface (z direction) ranging from z ═ f (x + dx) to z ═ f (x + dx).

4. The second and third steps are repeated until the tube is cut.

5. The two shafts are linked to move along the line z (f (x)), and the groove is cut smoothly.

6. Retracting the cutter and closing the rotary power motor.

Finally, a groove 30 is formed, a groove curve 31 is formed, a mark 32 indicates the outer wall of the pipe, a mark 33 indicates the inner wall of the pipe,

finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. An outer-clamping type numerical control cutting beveling machine capable of forming various beveling shapes is characterized by comprising a rotary tool rest, a rotary tool rest driving motor, a tool seat, a tool and a controller;

the tool holder comprises: the base is fixed on the rotary tool rest, the surface of the base is horizontal, the horizontal moving seat is placed on the base, the side surface of the base is fixedly connected with the first seat plate, the first motor is horizontally and fixedly installed on the first seat plate, the rod head of the horizontal screw is installed on the first seat plate through a bearing, the screw rod part of the horizontal screw is in threaded connection with the horizontal moving seat, and the rod head of the horizontal screw is in transmission connection with an output shaft of the first motor;

a vertical support is fixedly installed on the horizontal moving seat, a second seat plate is installed at the upper end of the vertical support, a second motor is vertically and fixedly installed on the second seat plate, a rod head of a vertical screw rod is installed on the second seat plate through a bearing, the rod head of the vertical screw rod is in transmission connection with an output shaft of the second motor, a screw rod part of the vertical screw rod is in threaded connection with the vertical moving seat, and a cutter is fixed on the vertical moving seat;

2. The externally-clamped numerically-controlled cutting and beveling machine capable of forming a plurality of bevel shapes according to claim 1, wherein the vertically-movable seat is a block having at least one through surface, the main body of the tool is placed in the vertically-movable seat, the tool bit is exposed through the through surface, and the vertically-movable seat is provided with a jacking bolt which presses on the tool to fix the tool.

3. The externally-clamped numerical control cutting and beveling machine capable of forming a plurality of groove shapes according to claim 2, wherein the base is provided with a first limiting block and a second limiting block, the first limiting block and the second limiting block are parallel to the horizontal screw rod in respective length directions, and the horizontal moving seat is located between the first limiting block and the second limiting block and is in sliding contact with the first limiting block and the second limiting block respectively.

4. The externally-clamped numerical control cutting and beveling machine capable of forming a plurality of bevel shapes according to claim 3, wherein the first and second limiting blocks are respectively inclined to the base in the height direction, and are respectively embedded in the horizontally moving seat in an inclined manner to limit the offset of the horizontally moving seat in the vertical plane.

5. The externally-clamped numerical control cutting beveling machine capable of beveling a plurality of groove shapes according to claim 4, wherein the vertical support is a portal frame, and the vertical screw is positioned between two door frames of the vertical support; the part of the vertical moving seat connected with the vertical screw is embedded between two door frames of the vertical support to limit the deviation of the vertical moving seat on the horizontal plane.