CN221019213U - Feeding device of numerical control laser pipe cutting machine - Google Patents

Abstract

The utility model relates to the field of laser pipe cutting machines, and discloses a feeding device of a numerical control laser pipe cutting machine, which comprises the following components: a feeding guide rail; the feeding plate is arranged on the feeding guide rail and is arranged to move in the feeding guide rail; a lifting roller installed in the loading plate and configured to move up and down along a sidewall of the loading plate; and the pressure detection unit is arranged in the feeding plate, connected with the lifting roller and used for measuring the weight of the lifting roller. According to the utility model, the lifting roller moves on the feeding plate, so that the weight of the pipeline can be measured, and whether the pipeline inclines on the lifting roller or not can be judged according to the change of the weight of the bearing pipeline; the inclined state of the pipeline can be detected through the detection plate on the handle, and the supporting position of the pipeline can be automatically adjusted after the pipeline is inclined.

Description

Feeding device of numerical control laser pipe cutting machine

Technical Field

The utility model relates to the field of laser pipe cutting machines, in particular to a feeding device of a numerical control laser pipe cutting machine.

Background

The numerical control laser pipe cutting machine is efficient cutting equipment, a thin line is formed on the surface of a pipe by adopting a laser beam, and the pipe is cut by moving a laser head.

The working principle of the numerical control laser pipe cutting machine is that a thin line is formed on the surface of a pipe by utilizing a laser beam, and the pipe is cut by moving a laser head. The internal configuration of the automatic centering device comprises a high-precision host, a servo motor, a pneumatic support design, a large-stroke automatic centering chuck and the like, so that the stability and the accuracy of cutting are ensured. In the operation process, the pipe is placed on the material placing rack, and then the pipe is automatically conveyed to a machine tool material placing system through the feeding structure, so that the position of the pipe cut each time is accurate.

When the feeding structure feeds the pipeline, the circle center of the pipeline needs to be aligned with the clamping circle center of the clamping head, so that the accuracy and precision of cutting are ensured, if the circle center of the pipeline is not aligned with the clamping circle center of the clamping head, cutting deviation can be caused, the quality of a final product is affected, the feeding structure needs to be accurately adjusted in the feeding process, and the accurate alignment of the pipeline and the clamping head is ensured.

After the pipeline is fed by the existing feeding device, if the circle center of the fed pipeline is not aligned with the clamping circle center of the clamping head, the clamping head can incline the pipeline after clamping the pipeline, and the supporting position of the pipeline cannot be adjusted by the feeding device after the pipeline inclines.

Disclosure of utility model

In order to achieve the above purpose, the utility model is realized by the following technical scheme: a feeding device of a numerical control laser pipe cutting machine comprises: a feeding guide rail; the feeding plate is arranged on the feeding guide rail and is arranged to rotate in the feeding guide rail; a lifting roller installed in the loading plate and configured to move up and down along a sidewall of the loading plate; and the pressure detection unit is arranged in the feeding plate, connected with the lifting roller and used for measuring the weight of the lifting roller.

The movable seat is arranged on the feeding guide rail and moves along the direction parallel to the feeding guide rail; the pneumatic feeding chuck is arranged on one side of the movable seat and used for controlling the movement of the pipeline; the grippers are arranged on the pneumatic feeding chuck and are arranged to be close to or far away from the center of the pneumatic feeding chuck at the same time; the connecting frame is arranged to move on the feeding plate, and the lifting roller is arranged on the connecting frame; and the second elastic piece is arranged between the connecting frame and the feeding plate and is used for providing initial acting force required by resetting for the connecting frame.

The connecting groove is formed in the top of the feeding plate, the connecting frame is connected in the connecting groove, the pressure detection unit is mounted on the inner wall of the connecting groove, and the second elastic piece is mounted between the bottom wall of the connecting groove and the connecting frame.

Further comprises: the detection plate is arranged on the grip and is used for being attached to the surface of the pipeline when the pipeline is gripped; an angle detection unit mounted on the grip and connected to the detection plate, and configured to measure a rotation angle of the detection plate; and the first elastic piece is arranged on the detection plate and is used for providing initial acting force required for resetting for the detection plate.

The grabbing surface of tongs has seted up the fixed slot, the lateral wall at the fixed slot is installed to the angle detection unit, the pick-up plate is connected in the fixed slot.

Further comprises: the power source is arranged on the feeding guide rail and used for providing rotary power for the feeding plate; the connecting block is arranged on one side of the feeding plate, and a power shaft of the power source is connected with the connecting block.

Further comprises: the induction unit is arranged on the feeding guide rail and used for inducing the position of the movable seat on the feeding guide rail; and the control unit is arranged on one side of the feeding guide rail and is connected with the sensing unit and the power source.

Further comprises: and the pneumatic rotary chuck is arranged on the feeding guide rail.

The bottom wall of the feeding guide rail is provided with a groove, and the feeding plate is connected in the groove.

The utility model provides a feeding device of a numerical control laser pipe cutting machine. Compared with the prior art, the method has the following beneficial effects: 1. the lifting roller moves on the feeding plate, so that the weight of the pipeline can be measured, and whether the pipeline inclines on the lifting roller or not can be judged according to the change of the weight of the bearing pipeline; 2. the inclined state of the pipeline can be detected through the detection plate on the handle, and the supporting position of the pipeline can be automatically adjusted after the pipeline is inclined.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a perspective view of another view according to the present utility model.

Fig. 3 is a schematic side view of the present utility model.

Fig. 4 is a schematic top view of the present utility model.

Fig. 5 is a schematic structural view of an air feeding chuck and a gripper according to the present utility model.

Fig. 6 is a schematic structural diagram of the gripper, the detection plate, the angle detection unit and the first elastic member according to the present utility model.

Fig. 7 is an enlarged view at a in fig. 1.

The reference numerals in the figures are: 1. a feeding guide rail; 2. a movable seat; 3. a pneumatic feed chuck; 4. a grip; 5. a loading plate; 6. a pneumatic rotary chuck; 7. a groove; 8. an induction unit; 9. a control unit; 401. a detection plate; 402. a fixing groove; 403. an angle detection unit; 404. a first elastic member; 501. a lifting roller; 502. a connecting frame; 503. a pressure detection unit; 504. a second elastic member; 505. a connecting groove; 506. a power source; 507. and (5) connecting a block.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model are clearly and completely described, and it is obvious that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, a feeding device of a numerical control laser pipe cutting machine includes: a feeding guide rail 1; the movable seat 2 is arranged on the feeding guide rail 1 and moves along the direction parallel to the feeding guide rail 1; the pneumatic feeding chuck 3 is arranged on one side of the movable seat 2 and is used for controlling the movement of the pipeline; the feeding plate 5 is arranged on the feeding guide rail 1, a groove 7 is formed in the bottom wall of the feeding guide rail 1, and the feeding plate 5 is rotatably connected in the groove 7 through a pin shaft and is arranged to rotate in the feeding guide rail 1; the pneumatic rotary chuck 6 is arranged on the feeding guide rail 1 and is used for controlling the pipeline to rotate, the pneumatic feeding chuck 3 can clamp and push one end of the pipeline to feed, the feeding plate 5 rotates in the feeding guide rail 1, and after the pipeline is sent to the feeding guide rail 1, the feeding plate 5 rotates out of the groove 7 and lifts the pipeline.

Referring to fig. 3 and 7, a lift roller 501 is installed in the loading plate 5 and is provided to move up and down along the side wall of the loading plate 5; the pressure detection unit 503 is installed in the loading plate 5 and is connected with the lifting roller 501, and is configured to measure the weight borne by the lifting roller 501, the lifting roller 501 rotates along with the loading plate 5 and lifts the pipeline, the weight of the pipeline can press the lifting roller 501 downwards, the pressure detection unit 503 detects the stress state of the lifting roller 501 at this time, the pneumatic feeding chuck 3 moves to one end of the pipeline and clamps the pipeline, if the circle center of the pipeline and the clamping circle center of the pneumatic feeding chuck 3 are on the same horizontal line, the pipeline cannot incline, the weight borne by the lifting roller 501 does not change, otherwise, if the circle center of the pipeline is not aligned with the clamping circle center of the clamping head, the clamping head clamps the pipeline and then changes the position of one end of the pipeline, so that the pipeline inclines, the pipeline is far away from the lifting roller 501 and reduces the pressing force to the lifting roller 501, meanwhile, the data detected by the pressure detection unit 503 changes, the pipeline is in a non-horizontal state, the lifting roller 501 is continuously rotated and driven to rotate, the lifting roller 501 continuously moves upwards and lifts the pipeline again, and the lifting roller 501 starts to bear the same lifting force as the pipeline.

Referring to fig. 5 and 6, a plurality of grippers 4 are mounted on the air feed chuck 3 and are arranged to simultaneously approach or depart from the center of the air feed chuck 3; the detection plate 401 is arranged on the gripper 4 and is used for being attached to the surface of the pipeline when the pipeline is gripped; an angle detection unit 403 is mounted on the hand grip 4 and connected to the detection plate 401, and is configured to measure the rotation angle of the detection plate 401; the first elastic member 404 is installed on the detection plate 401, and is used for providing an initial acting force required by resetting for the detection plate 401, the grabbing surface of the gripper 4 is provided with a fixing groove 402, the angle detection unit 403 is installed on the side wall of the fixing groove 402, the detection plate 401 is connected in the fixing groove 402, and the first elastic member 404 can be a stainless steel spring or an iron spring.

After the pneumatic feeding chuck 3 is close to the pipeline, the plurality of grippers 4 are pneumatically controlled to be close to the pipeline simultaneously, the plurality of grippers 4 clamp the pipeline, if the pipeline is in a horizontal state, the detection plate 401 is also in a horizontal state when being attached to the pipeline, if the pipeline is in an inclined state, the detection plate 401 is also inclined along with the inclination angle of the pipeline after being attached to the pipeline, the angle detection unit 403 detects the rotation angle of the detection plate 401, and after the change of the angle is detected, namely, the pipeline is in a non-horizontal state when being connected with the pneumatic rotary chuck 6, and feeding is continued after waiting for the pipeline to be adjusted horizontally.

Referring to fig. 3 and 7, a link 502 is provided to move on the upper plate 5, and a lifting roller 501 is mounted on the link 502; a second elastic member 504 is installed between the connection frame 502 and the loading plate 5, and is used for providing an initial acting force required for resetting the connection frame 502; the connecting groove 505 is formed in the top of the feeding plate 5, the connecting frame 502 is connected in the connecting groove 505, the pressure detection unit 503 is installed on the inner wall of the connecting groove 505, the second elastic piece 504 is installed between the bottom wall of the connecting groove 505 and the connecting frame 502, and the second elastic piece 504 can be made of stainless steel springs or iron springs.

The connecting frame 502 provides support for the lifting roller 501, and when the lifting roller 501 moves, the connecting frame 502 is driven to move in the connecting groove 505, and after the lifting roller 501 is extruded and displaced, the connecting frame 502 is contacted with the pressure detection unit 503 and provides pressure data of the lifting roller 501.

Referring to fig. 3, a power source 506 is installed on the loading rail 1 to provide rotational power to the loading plate 5; the connecting block 507 is slidably arranged at one side of the feeding plate 5, and a power shaft of the power source 506 is connected with the connecting block 507 through a pin shaft; the induction unit 8 is arranged on the feeding guide rail 1 and is used for inducing the position of the movable seat 2 on the feeding guide rail 1; the control unit 9 is installed at one side of the loading guide rail 1 and is electrically connected with the sensing unit 8 and the power source 506.

The power source 506 adopts an air cylinder or a hydraulic cylinder, the power source 506 can drive the connecting block 507 to move up and down, the connecting block 507 is slidably arranged on one side of the feeding plate 5, when the connecting block 507 moves up and down, an interaction force is generated between the connecting block 507 and the feeding plate 5, the connecting block 507 slides on one side of the feeding plate 5, when the connecting block 507 moves up, the connecting block 507 moves along one side of the feeding plate 5 and generates an upward thrust to the feeding plate 5, the thrust acts on one side of the feeding plate 5, the feeding plate 5 is caused to rotate in the groove 7 by taking a pin shaft as a center, and likewise, when the connecting block 507 moves down, the connecting block 507 also moves along one side of the feeding plate 5 and generates a force in an opposite direction, so as to drive the feeding plate 5 to rotate in the groove 7, the connecting block 507 can drive the feeding plate 5 to rotate in the groove 7, after receiving an induction signal from the induction unit 8, the control unit 9 can control the opening of the power source 506 and the feeding plate 5 to rotate into the groove 7, after receiving a signal of the pressure detection unit 503, the control unit 9 can control the feeding plate 506 to continue to rotate, and the microcontroller unit 403 can also control the feeding unit to be controlled to start by adopting the microcontroller to control the pneumatic chuck to rotate; the angle detection unit 403 may employ an angle sensor or an encoder; the pressure detection unit 503 may employ a pressure sensor or a load cell.

In the use process, the pipeline is sent to the feeding guide rail 1, the power source 506 can drive the connecting block 507 to move up and down, the connecting block 507 can drive the feeding plate 5 to rotate in the groove 7, the lifting roller 501 rotates along with the feeding plate 5 and lifts the pipeline, the weight of the pipeline can downwards press the lifting roller 501, the pressure detection unit 503 detects the stress state of the lifting roller 501 at the moment, the pneumatic feeding chuck 3 is close to the pipeline, the plurality of grippers 4 are pneumatically controlled to simultaneously close the pipeline, the plurality of grippers 4 clamp the pipeline, if the pipeline is in a horizontal state, the detection plate 401 is in a horizontal state when the pipeline is in a joint state, if the pipeline is in an inclined state, the detection plate 401 is inclined along with the inclination angle of the pipeline after the pipeline is in a joint state, the angle detection unit 403 detects the rotation angle of the detection plate 401, and after detecting that the angle changes, that is, when the pipeline is connected with the pneumatic rotary chuck 6, the pipeline is in a non-horizontal state, feeding is continued after the pipeline is adjusted horizontally, if the circle center of the pipeline is in the same horizontal line with the clamping circle center of the pneumatic feeding chuck 3, the pipeline cannot be inclined, the weight borne by the lifting roller 501 is not changed, otherwise, if the circle center of the pipeline is not aligned with the clamping circle center of the clamping head, the clamping head clamps the pipeline, the position of one end of the pipeline is changed, so that the pipeline is inclined, the pipeline is far away from the lifting roller 501 after being inclined, the pressing force of the lifting roller 501 is relieved, the data detected by the pressure detection unit 503 is changed, the pipeline is indicated to be in a non-horizontal state, the feeding plate 5 is continuously rotated, the lifting roller 501 is driven to rotate, the lifting roller 501 is continuously moved upwards and lifted again, the force borne by the lifting roller 501 is the same as that when the lifting is started, namely, the pipeline is lifted to the horizontal position, when the air feeding chuck 3 passes through the sensing unit 8 in the moving process, a sensing signal of the sensing unit 8 is sent to the control unit 9, the power source 506 can be controlled to be started, the feeding plate 5 is controlled to rotate into the groove 7, and the air feeding chuck 3 can continue to move.

In summary, compared with the prior art, the method has the following beneficial effects: the lifting roller 501 moves on the feeding plate 5, so that the weight of the pipeline can be measured, and whether the pipeline is inclined on the lifting roller 501 or not can be judged according to the change of the weight of the pipeline; the inclined state of the pipeline can be detected through the detection plate 401 on the grip 4, and the supporting position of the pipeline can be automatically adjusted after the pipeline is inclined.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (9)

1. Feeding device of numerical control laser pipe cutting machine, its characterized in that includes:

A feeding guide rail (1);

The feeding plate (5) is arranged on the feeding guide rail (1) and is arranged to rotate in the feeding guide rail (1);

A lifting roller (501) installed in the loading plate (5) and configured to move up and down along a side wall of the loading plate (5);

And a pressure detection unit (503) which is installed in the feeding plate (5), is connected with the lifting roller (501), and is configured to measure the weight of the lifting roller (501) after lifting the pipeline.

2. The feeding device of the numerical control laser pipe cutting machine according to claim 1, wherein:

The movable seat (2) is arranged on the feeding guide rail (1) and moves along the direction parallel to the feeding guide rail (1);

The pneumatic feeding chuck (3) is arranged on one side of the movable seat (2) and is used for controlling the movement of the pipeline;

A plurality of grippers (4) which are arranged on the pneumatic feeding chuck (3) and are arranged to approach or depart from the center of the pneumatic feeding chuck (3) at the same time;

-a connection frame (502) arranged to move on the loading plate (5), the lifting roller (501) being mounted on the connection frame (502);

And the second elastic piece (504) is arranged between the connecting frame (502) and the feeding plate (5) and is used for providing initial acting force required for resetting the connecting frame (502).

3. The feeding device of the numerical control laser pipe cutting machine according to claim 2, wherein: connecting grooves (505) are formed in the tops of the feeding plates (5), the connecting frames (502) are connected in the connecting grooves (505), the pressure detection units (503) are arranged on the inner walls of the connecting grooves (505), and the second elastic pieces (504) are arranged between the bottom walls of the connecting grooves (505) and the connecting frames (502).

4. The feeding device of a numerically controlled laser pipe cutting machine of claim 2, further comprising:

The detection plate (401) is arranged on the gripper (4) and is used for being attached to the surface of the pipeline when the pipeline is gripped;

An angle detection unit (403) mounted on the hand grip (4) and connected to the detection plate (401) and configured to measure a rotation angle of the detection plate (401);

A first elastic member (404) mounted on the detection plate (401) for providing an initial force required for resetting the detection plate (401).

5. The feeding device of the numerical control laser pipe cutting machine according to claim 4, wherein: the grabbing surface of the grabbing hand (4) is provided with a fixing groove (402), the angle detection unit (403) is arranged on the side wall of the fixing groove (402), and the detection plate (401) is connected in the fixing groove (402).

6. The feeding device of a numerically controlled laser pipe cutting machine of claim 1, further comprising:

the power source (506) is arranged on the feeding guide rail (1) and is used for providing power for the feeding plate (5);

The connecting block (507) is arranged on one side of the feeding plate (5), and a power shaft of the power source (506) is connected with the connecting block (507).

7. The feeding device of a numerically controlled laser pipe cutting machine of claim 6, further comprising:

The induction unit (8) is arranged on the feeding guide rail (1) and is used for inducing the position of the movable seat (2) on the feeding guide rail (1);

And the control unit (9) is arranged on one side of the feeding guide rail (1) and is connected with the induction unit (8) and the power source (506).

8. The feeding device of a numerically controlled laser pipe cutting machine of claim 1, further comprising:

And the pneumatic rotary chuck (6) is arranged on the feeding guide rail (1).

9. The feeding device of the numerical control laser pipe cutting machine according to claim 1, wherein: the bottom wall of the feeding guide rail (1) is provided with a groove (7), and the feeding plate (5) is connected in the groove (7).