Laser cutting machine for stainless steel bent pipe

Abstract

The utility model provides a laser cutting machine for a stainless steel bent pipe, which relates to the technical field of machining, and comprises a machine table, and a rotary clamping mechanism, a tail telescopic platform and a laser head three-axis traveling mechanism which are arranged on the machine table, the rotary clamping mechanism comprises a rotary disc, a rotary driving piece used for driving the rotary disc to rotate, a lower die fixed to the rotary disc and extending in the radial direction of the rotary disc, and an upper die used for being matched with the lower die to clamp the head of the bent pipe. The tail telescopic platform comprises a telescopic driving part and a supporting platform connected with the telescopic driving part, and the supporting platform is used for supporting the tail of the bent pipe when stretching out, so that the bent pipe can be located at the horizontal position and retract after the upper die and the lower die are closed. The laser head three-axis walking mechanism comprises a laser head and a moving assembly used for driving the laser head to move along three axes. The problem that an existing stainless steel pipe laser cutting machine cannot cut bent pipes is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to machining technical field, specifically, relate to a kind of laser cutting machine for stainless steel elbow pipe. BACKGROUND

[0002] The existing stainless steel pipe cutting machine is mostly used for straight pipe cutting, and its structure is mostly like a kind of stainless steel pipe laser cutting machine disclosed in Chinese patent CN119057269A, which sets a fixed structure in the center of the ring to clamp the pipe fitting on the center of the ring, and drives the ring to rotate to enable the laser column to cut along the circumferential direction of the pipe fitting. This structure is only suitable for cutting straight pipes and cannot clamp stainless steel elbow pipes for circumferential rotation to achieve cutting. In bathroom products, especially faucet products, stainless steel elbow pipes are commonly used components. Currently, the manufacturing of stainless steel elbow pipes is generally by cutting straight pipes to the required length and then bending, which is difficult to adjust the length subsequently, requires high manufacturing precision, leads to high manufacturing cost and small profit space. In addition, the manufactured elbow pipes cannot be adjusted in length to adapt to new products, causing waste of materials. SUMMARY

[0003] The utility model discloses a kind of laser cutting machine for stainless steel elbow pipe, to improve the problem that existing stainless steel pipe laser cutting machine cannot cut elbow pipe.

[0004] The utility model discloses the following scheme:

[0005] A kind of laser cutting machine for stainless steel elbow pipe, including machine table and the rotary clamping mechanism, tail telescopic platform and laser head three-axis walking mechanism configured on the machine table;The rotary clamping mechanism includes turntable, to drive the rotary clamping mechanism rotating rotary drive part, with the lower die of the turntable fixed and along the radial direction of the turntable extension setting and with the lower die cooperation clamping elbow pipe head upper die;The tail telescopic platform includes telescopic drive part and the support platform connected with the telescopic drive part, the support platform is used to support the tail of elbow pipe when extending, so that elbow pipe can be in horizontal position, and retract after the upper die and lower die die mould;The laser head three-axis walking mechanism includes laser head and the movement assembly for driving the laser head moves along three axes.

[0006] As a further improvement, the rotary drive part includes a motor, a drive wheel connected to the motor output shaft, a driven wheel coaxially arranged with the turntable, and a transmission belt for connecting the drive wheel and the driven wheel.

[0007] As a further improvement, the turntable is configured with a die mould driving element for driving the upper die to move relative to the lower die, and the die mould driving element includes a first air cylinder.

[0008] As a further improvement, the lower die and the upper die are each provided with a limiting groove similar to the outer shape of the elbow head.

[0009] As a further improvement, the rotary clamping mechanism is arranged opposite to the laser head three-axis walking mechanism, and the machine table is provided with a blanking passage between the two, and a material collecting basket is arranged at the outlet of the blanking passage.

[0010] As a further improvement, the telescopic driving member comprises a second air cylinder, and the supporting platform is adaptively connected with the second air cylinder.

[0011] As a further improvement, the moving assembly comprises an X-axis moving member, a Y-axis moving member and a Z-axis moving member, the Z-axis moving member is connected with the Y-axis moving member and is driven by the Y-axis moving member to move in the Y direction, the X-axis moving member is connected with the Z-axis moving member and is driven by the Z-axis moving member to move in the Z direction, and the laser head is connected with the X-axis moving member and is driven by the X-axis moving member to move in the X direction.

[0012] As a further improvement, a slag removing mechanism is arranged on the same side of the laser head three-axis walking mechanism, and the slag removing mechanism comprises a telescopic slag removing rod which can be extended into the elbow to collect cutting waste.

[0013] As a further improvement, the slag removing mechanism further comprises a third air cylinder, the side surface of the slag removing rod is connected with the third air cylinder, one end of the slag removing rod is used to extend into the interior of the elbow, and the other end is used to be connected with a negative pressure box.

[0014] As a further improvement, a control member is further included, and the control member is electrically connected with the rotary clamping mechanism, the tail telescopic platform, the laser head three-axis walking mechanism and the slag removing mechanism.

[0015] By adopting the above technical scheme, the following technical effects can be achieved:

[0016] During the machining, the elbow is transversely placed, the head thereof is placed on the lower die, and the tail thereof is supported on the supporting platform, so that the whole elbow is parallel to the horizontal plane, and then the upper die and the lower die are closed to clamp the elbow, so as to prevent the displacement of the elbow during the cutting process. Then, the supporting platform is retracted, the laser head is moved to the cutting position under the action of the moving assembly, and the rotary driving member drives the rotating disc to synchronously rotate the elbow, so that the energy light column gathered by the laser head can work along the circumferential direction of the cutting position of the elbow until the elbow is cut off, thereby realizing the rapid and accurate cutting of the elbow. Thus, the problem that the existing stainless steel pipe laser cutting machine is difficult to cut the elbow is improved, so that the length of the stainless steel elbow can be adjusted, and more stainless steel elbow manufacturing parts can be recycled, thereby reducing the manufacturing cost. The problem of immature stainless steel process is solved, the adjustment and optimization of the stainless steel process are realized, and the core competitiveness can be enhanced. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0018] Figures 1 to 3 This is a structural schematic diagram of one embodiment of the present invention from different perspectives;

[0019] Figure 4 This is an exploded view of one embodiment of the present invention;

[0020] Figure 5 This is a schematic diagram of the structure of a three-axis laser head walking mechanism according to one embodiment of the present invention;

[0021] Figure 6 This is an exploded view of a rotary clamping mechanism according to one embodiment of the present invention;

[0022] Figure 7 This is a schematic diagram of the lower mold structure according to one embodiment of the present invention;

[0023] Figure 8 This is a schematic diagram of the slag removal mechanism according to one embodiment of the present invention;

[0024] Figure 9 This is a schematic diagram of the tail telescopic platform according to one embodiment of the present invention;

[0025] Figure 10 This is a schematic diagram of the structure of a bent pipe according to one embodiment of the present invention.

[0026] icon:

[0027] 1-Machine platform; 11-Material discharge channel; 12-Collection basket;

[0028] 2-Rotary clamping mechanism; 21-Turntable; 22-Rotary drive component; 221-Motor; 222-Driving wheel; 223-Driven wheel; 224-Rotating shaft; 23-Lower die; 231-Limiting groove; 24-Upper die; 25-First cylinder;

[0029] 3-Tail telescopic platform; 31-Telescopic drive component; 311-Second cylinder; 32-Support platform;

[0030] 4 - laser head three-axis walking mechanism; 41 - laser head; 42 - moving assembly; 421 - X-axis moving piece; 422 - Y-axis moving piece; 423 - Z-axis moving piece;

[0031] 5 - slag removal mechanism; 51 - slag removal rod; 52 - third cylinder;

[0032] 6 - control;

[0033] 7 - elbow. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. EMBODIMENT

[0035] In conjunction with Figures 1 to 10 The present embodiment provides a laser cutting machine for stainless steel elbow, comprising a machine table 1, a rotary clamping mechanism 2, a tail telescopic platform 3 and a laser head three-axis walking mechanism 4 arranged on the machine table 1; wherein the rotary clamping mechanism 2 comprises a turntable 21, a rotary drive 22 for driving the turntable 21 to rotate, a lower die 23 fixed with the turntable 21 and arranged along the radial direction of the turntable 21, and an upper die 24 for cooperating with the lower die 23 to clamp the head of the elbow 7; the tail telescopic platform 3 comprises a telescopic drive 31 and a support platform 32 connected with the telescopic drive 31, the support platform 32 is used to support the tail of the elbow 7 when it is extended, so that the elbow 7 can be in a horizontal position, and it is retracted after the upper die 24 and the lower die 23 are closed; the laser head three-axis walking mechanism 4 comprises a laser head 41 and a moving assembly 42 for driving the laser head 41 to move along three axes.

[0036] It should be noted that in the embodiment, when processing, the elbow pipe 7 is transversely placed, the head is placed on the lower die 23, the tail is supported on the support platform 32, the whole elbow pipe 7 is parallel to the horizontal plane, then the upper die 24 is combined with the lower die 23 to clamp the elbow pipe 7, so as to prevent the displacement of the elbow pipe 7 in the cutting process. Then the support platform 32 is retracted, the laser head 41 is moved to the cutting position under the action of the moving assembly 42, and the rotary drive 22 drives the rotary disc 21 to rotate synchronously with the elbow pipe 7, so that the energy light column gathered by the laser head 41 can work along the circumferential direction of the cutting position of the elbow pipe 7, until the elbow pipe 7 is cut off, so as to realize the rapid and accurate cutting of the elbow pipe 7. Thus, the problem that the existing stainless steel pipe laser cutting machine is difficult to cut the elbow pipe 7 is improved, so that the length of the stainless steel elbow pipe 7 can be adjusted, more stainless steel elbow pipe 7 manufacturing parts can be recycled, and the manufacturing cost is reduced. The problem of immature stainless steel process is solved, the adjustment and optimization of the stainless steel process are realized, and the core competitiveness can be enhanced.

[0037] In a preferred embodiment, the rotary drive 22 includes a motor 221, a driving wheel 222 connected with the output shaft of the motor 221, a driven wheel 223 coaxially arranged with the rotary disc 21, and a transmission belt for connecting the driving wheel 222 and the driven wheel 223. The driving wheel 222 and the driven wheel 223 can be belt wheels or chain wheels, the transmission belt is a belt or a chain, and the motor 221 is started. The driving wheel 222 rotates synchronously, the driven wheel 223 drives the rotating shaft 224 connected with the driven wheel 223 to rotate synchronously under the action of the transmission belt, so as to drive the rotary disc 21 to rotate synchronously.

[0038] Further, the rotary disc 21 is provided with a die closing drive for driving the upper die 24 to move relative to the lower die 23. The die closing drive includes a first cylinder 25. When the die is closed, the first cylinder 25 drives the upper die 24 to move downward to clamp the elbow pipe 7 together with the lower die 23. When the die is opened, the first cylinder 25 drives the upper die 24 to move upward to facilitate the taking and placing of the elbow pipe 7. The die closing force can be adjusted by the cylinder adjusting valve to avoid the outer wall of the elbow pipe 7 being pressed and injured. Preferably, the lower die 23 and the upper die 24 are both provided with a limiting groove 231 similar to the shape of the head of the elbow pipe 7, so as to limit the rotation of the elbow pipe 7 and avoid the deviation of the elbow pipe 7 during processing, so as to ensure the processing accuracy.

[0039] In the above embodiment, in an optional embodiment of the utility model, the rotary clamping mechanism 2 is oppositely arranged with the laser head three-axis walking mechanism 4, the machine table 1 is provided with a material falling channel 11 between the two, and a material collecting basket 12 is arranged at the outlet of the material falling channel 11. For example, the material falling channel 11 is inclined to the outlet, so that the cut waste or debris can flow into the material collecting basket 12 along the material falling channel 11 under the action of gravity, so as to facilitate the collection of waste and residues.

[0040] In another embodiment, the slag removal mechanism 5 is arranged on the same side of the laser head three-axis walking mechanism 4, and the slag removal mechanism 5 comprises a retractable slag removal rod 51 which can be extended into the elbow pipe 7 to collect cutting waste, so as to clean the cutting waste in time, avoid the influence of the cutting waste on the cutting surface, and ensure the cutting effect. In one embodiment, the slag removal mechanism 5 further comprises a third cylinder 52, the side surface of the slag removal rod 51 is connected with the third cylinder 52, and the slag removal rod is controlled to be extended into or retracted from the elbow pipe 7 by the third cylinder 52. For example, one end of the slag removal rod 51 is used to extend into the inside of the elbow pipe 7, and the other end is used to be connected with a negative pressure box, and a fan is arranged in the negative pressure box, and the fan is used to suck the waste slag generated at the cutting position into the negative pressure box. The working principle of the fan for sucking slag is a prior art, and will not be described here.

[0041] In other embodiments, the telescopic driving member 31 comprises a second cylinder 311, and the supporting platform 32 is adaptively connected with the second cylinder 311, and the supporting platform 32 is extended or retracted by driving the second cylinder 311. It is not limited to this, and other prior art telescopic structures can also be used, which are not limited in detail.

[0042] On the basis of the above-mentioned embodiments, in an optional embodiment of the utility model, the moving assembly 42 comprises an X-axis moving member 421, a Y-axis moving member 422 and a Z-axis moving member 423, specifically, the Z-axis moving member 423 is connected with the Y-axis moving member 422 and is driven to move along the Y direction via the Y-axis moving member 422, the X-axis moving member 421 is connected with the Z-axis moving member 423 and is driven to move along the Z direction via the Z-axis moving member 423, and the laser head 41 is connected with the X-axis moving member 421 and is driven to move along the X direction via the X-axis moving member 421. The driving structure of each moving member can be a cylinder driving or a motor screw structure, which is not limited in detail. Preferably, the control member 6 is electrically connected with the rotary clamping mechanism 2, the tail telescopic platform 3, the laser head three-axis walking mechanism 4 and the slag removal mechanism 5. The control member 6 is a PLC control system, and the processing program is selected or called through the man-machine interface connected with the control member 6, so that each mechanism is operated in cooperation, which is convenient and fast. It should be noted that the circuit principle of the control member 6 is a prior art, which will not be described here.

[0043] The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited to the above-mentioned embodiments, and any technical scheme belonging to the idea of the utility model belongs to the protection scope of the utility model.

Claims

1. A laser cutting machine for bending stainless steel pipes, characterized in that, It includes a machine base and a rotary clamping mechanism, a tail telescopic platform and a laser head three-axis traveling mechanism configured on the machine base; The rotary clamping mechanism includes a turntable, a rotary drive for driving the turntable to rotate, a lower die fixed to the turntable and extending radially along the turntable, and an upper die for cooperating with the lower die to clamp the head of the bent pipe. The tail telescopic platform includes a telescopic drive component and a support platform connected to the telescopic drive component. When the support platform extends, it supports the tail of the bent pipe, so that the bent pipe can be in a horizontal position, and retracts after the upper mold and lower mold are closed. The laser head three-axis walking mechanism includes a laser head and a moving component for driving the laser head to move along three axes.

2. The laser cutting machine for stainless steel pipe bending according to claim 1, characterized in that, The rotary drive includes a motor, a drive wheel connected to the motor output shaft, a driven wheel coaxially arranged with the turntable, and a transmission belt for connecting the drive wheel and the driven wheel.

3. The laser cutting machine for stainless steel pipe bending according to claim 1, characterized in that, The turntable is equipped with a mold-closing drive component for driving the upper mold to move relative to the lower mold, and the mold-closing drive component includes a first cylinder.

4. The laser cutting machine for stainless steel pipe bending according to claim 1 or 3, characterized in that, Both the lower and upper molds are provided with limiting grooves that resemble the shape of the bend head.

5. The laser cutting machine for stainless steel pipe bending according to claim 1, characterized in that, The rotary clamping mechanism is configured opposite to the laser head three-axis walking mechanism. The machine base is provided with a material dropping channel between the two, and a material collection basket is provided at the outlet of the material dropping channel.

6. The laser cutting machine for stainless steel pipe bending according to claim 1, characterized in that, The telescopic drive component includes a second cylinder, and the support platform is adapted to and connected to the second cylinder.

7. The laser cutting machine for stainless steel pipe bending according to claim 1, characterized in that, The moving component includes an X-axis moving component, a Y-axis moving component, and a Z-axis moving component. The Z-axis moving component is connected to the Y-axis moving component and is driven by the Y-axis moving component to move along the Y direction. The X-axis moving component is connected to the Z-axis moving component and is driven by the Z-axis moving component to move along the Z direction. The laser head is connected to the X-axis moving component and is driven by the X-axis moving component to move along the X direction.

8. The laser cutting machine for stainless steel pipe bending according to claim 1, characterized in that, A slag removal mechanism is configured on the same side as the laser head three-axis walking mechanism. The slag removal mechanism includes a retractable slag discharge rod, which can extend into the curved pipe to collect cutting waste.

9. The laser cutting machine for stainless steel pipe bending according to claim 8, characterized in that, The slag removal mechanism also includes a third cylinder. The side of the slag discharge rod is connected to the third cylinder. One end of the slag discharge rod is used to extend into the inside of the bent pipe, and the other end is used to connect to the negative pressure box.

10. The laser cutting machine for stainless steel pipe bending according to claim 8, characterized in that, It also includes a control component, which is electrically connected to the rotary clamping mechanism, the tail telescopic platform, the laser head three-axis traveling mechanism, and the slag removal mechanism.

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