CN211219157U

CN211219157U - Laser cutting mechanism

Info

Publication number: CN211219157U
Application number: CN201921938100.3U
Authority: CN
Inventors: 黄红梅; 石宏; 孙锦民
Original assignee: Yugan Kaitong Water Drill Co ltd
Current assignee: Yugan Kaitong Water Drill Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-08-11
Anticipated expiration: 2029-11-12

Abstract

The utility model relates to a laser cutting mechanism, which comprises a lower frame and an upper frame, wherein the lower frame is provided with a material carrying device matched with a product, a laser cutting device is arranged below the upper frame, the laser cutting device comprises a cutting sleeve connected with the upper frame through a connecting rod, the cutting sleeve is a cavity sleeve with an opening at the lower part, a cutting lifting cylinder with a cylinder head penetrating into the cavity of the cutting sleeve is arranged below the upper frame, a cutting lifting block is connected below the cutting lifting cylinder, a laser cutter capable of feeding is connected below the cutting lifting block, the inner wall of the cutting sleeve is provided with a contact induction screen, the side surface of the cutting lifting block is embedded with a cutting lifting ball matched with the contact induction screen in a tangent way, the utility model aims to provide a laser cutting mechanism which can ensure that a laser emitting head is always kept in a vertical state in the lifting process, and further, a good laser cutting effect can be ensured.

Description

Laser cutting mechanism

Technical Field

The invention relates to the field of laser application, in particular to a laser cutting mechanism.

Background

In laser cutting, a workpiece is heated by a laser beam having a high energy density, the temperature of the workpiece is rapidly increased, the material reaches the boiling point in a very short time, the material starts to vaporize to form vapor, the vapor is ejected at a high speed, and a cut is formed in the material at the same time as the vapor is ejected.

Like the product 4 in fig. 1, the main part comprises panel, there are two decurrent notches, sometimes, need to cut product 4 from, consequently need use cutting device, generally all adopt laser cutting device to be main, because the thickness problem of panel, when carrying out laser cutting, the distance between laser emission head and the panel is also the exact same, consequently need carry out altitude mixture control, current altitude mixture control mostly adopts the cylinder directly to go up and down, at the in-process that goes up and down, slight slope appears easily, and then can influence the quality of cutting.

Disclosure of Invention

The invention aims to provide a laser cutting mechanism which can ensure that a laser emitting head is always kept in a vertical state in the lifting process, and further can ensure a good laser cutting effect.

In order to achieve the above purpose, the invention adopts the technical scheme that: a laser cutting mechanism comprises a lower frame and an upper frame, wherein a material carrying device matched with a product is arranged on the lower frame, a laser cutting device is arranged below the upper frame and comprises a cutting sleeve connected with the upper frame through a connecting rod, the cutting sleeve is a cavity sleeve with an opening at the lower part, a cutting lifting cylinder with a cylinder head penetrating into the cavity of the cutting sleeve is arranged below the upper frame, a cutting lifting block is connected below the cutting lifting cylinder, a laser cutter capable of feeding is connected below the cutting lifting block, a contact sensing screen is arranged on the inner wall of the cutting sleeve, and a cutting lifting ball matched with the contact sensing screen in a tangent mode is embedded into the side face of the cutting lifting block.

Preferably, the laser cutter comprises a feeding groove formed below the cutting lifting block, a cutting feeding screw rod and a cutting feeding motor which are matched with each other are arranged in the feeding groove, the cutting feeding screw rod is in sleeve fit with the laser cutter body, a laser emitting head is arranged below the laser cutter body, a cutting feeding limiting rod is arranged on the outer side of the part, exceeding the cutting lifting block, of the lower portion of the laser cutter body, and the outer end of the cutting feeding limiting rod is arc-shaped and is in tangent fit with the contact induction screen.

Preferably, the outside of cutting cover cup jointed and kept off the material lift cover, the top of keeping off the material lift cover be connected with the fender material lift cylinder of the vertical trend that upper ledge below set up, the fender material lift cover be the elastic deformation cover body to with the sealed cooperation of cutting cover.

Preferably, the lower part of the side surface of the material blocking lifting sleeve is provided with a communicating port, the outer side of the communicating port is connected with an air pump, and the air pump is connected to a dust collecting box or an oxygen tank.

Preferably, the material loading device comprises two material loading devices matched with the product notch, each material loading device comprises a material loading frame on the lower frame, a material loading clamping cylinder is arranged on each material loading frame, a material loading supporting block is arranged on the upper portion of each material loading clamping cylinder, material loading clamping grooves are formed in two sides of each material loading supporting block, a material loading clamping block matched with the product notch is arranged on the upper portion of each material loading supporting block, and the lower portion of each material loading clamping block penetrates through each material loading clamping groove and is connected with a cylinder head of each material loading clamping cylinder.

Preferably, one end of the material loading clamping groove, which is close to the material loading clamping cylinder, is provided with a pressure sensor, and the distance between the outer sides of the two pressure sensors is consistent with the width of the product notch.

Preferably, the material loading frame is provided with a material loading rotating shaft and a material loading rotating motor which are matched with each other, the material loading rotating shaft is sleeved with a material loading rotating sleeve, the material loading rotating sleeve is fixedly connected with a material loading rotating arm with a radial trend, the material loading clamping cylinder is arranged on the material loading rotating arm, the side surface of the material loading frame is further provided with a rotating arm limiting frame, the rotating arm limiting frame is provided with a rotating arm limiting block matched with the material loading rotating arm, and when the material loading rotating arm is matched with the rotating arm limiting block, the material loading rotating arm is located in a vertical upward state.

Drawings

FIG. 1 is a schematic diagram of a laser cutting mechanism;

FIG. 2 is a schematic structural diagram of a laser cutting apparatus;

FIG. 3 is a schematic view of the cutting sleeve in cooperation with the cutting elevator;

FIG. 4 is a schematic structural view of a loading device;

FIG. 5 is a top view of a carrier support block section.

The text labels shown in the figures are represented as: 1. a lower frame; 2. putting the frame on; 3. a loading device; 4. producing a product; 5. a laser cutting device; 7. a connecting rod; 8. cutting the sleeve; 9. cutting the lifting cylinder; 10. cutting the lifting block; 11. cutting a feed screw rod; 12. a laser cutter body; 13. a laser emitting head; 14. a material blocking lifting cylinder; 15. a material blocking lifting sleeve; 16. contacting the induction screen; 17. cutting the lifting ball; 18. cutting the feeding limiting rod; 21. a material loading frame; 22. a material loading rotating shaft; 23. carrying and transferring; 24. a material loading rotary arm; 25. a rotating arm limiting frame; 26. a rotating arm limiting block; 27. a material loading clamping cylinder; 28. a material-carrying supporting block; 29. a material loading clamping block; 30. a pressure sensor; 31. and a material loading clamping groove.

Detailed Description

The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.

As shown in fig. 1 to 3, the specific structure of the present invention is: a laser cutting mechanism comprises a lower frame 1 and an upper frame 2, wherein a material carrying device 3 matched with a product 4 is arranged on the lower frame 1, a laser cutting device 5 is arranged below the upper frame 2, the laser cutting device 5 comprises a cutting sleeve 8 connected with the upper frame 2 through a connecting rod 7, the cutting sleeve 8 is a cavity sleeve with an opening in the lower portion, a cutting lifting cylinder 9 with a cylinder head penetrating into a cavity of the cutting sleeve 8 is arranged below the upper frame 2, a cutting lifting block 10 is connected below the cutting lifting cylinder 9, a laser cutter capable of feeding is connected below the cutting lifting block 10, a contact induction screen 16 is arranged on the inner wall of the cutting sleeve 8, and a cutting lifting ball 17 matched with the contact induction screen 16 in a tangent mode is embedded into the side face of the cutting lifting block 10.

The product 4 is firstly placed on the material loading device 3, then the cutting lifting block 10 is driven to lift through the cutting lifting cylinder 9 according to the thickness of a plate material of the product 4, in the lifting process, the cutting lifting ball 17 is always in a tangent state with the contact induction screen 16, so that the stable lifting of the cutting lifting block 10 can be ensured, the verticality of the laser cutting head is ensured, the good cutting effect is ensured, meanwhile, the abrasion caused by too much contact between the cutting lifting block 10 and the contact induction screen 16 is avoided, meanwhile, the height of the cutting lifting ball of the brother can be reflected according to the induction signal on the contact induction screen 16, the effect of verifying the lifting height is achieved, whether the cutting lifting balls with the same height on different sides can be analyzed, the lifting stability is further ensured, the image produced by the contact induction screen 16 can be directly transmitted to a computer, the analysis is performed manually or automatically by a program provided in a computer.

As shown in fig. 3, the laser cutter includes a feeding groove formed below the cutting lifting block 10, a cutting feeding screw 11 and a cutting feeding motor which are matched with each other are arranged in the feeding groove, the cutting feeding screw 11 is in sleeve fit with a laser cutter body 12, a laser emitting head 13 is arranged below the laser cutter body 12, a cutting feeding limiting rod 18 is arranged outside the part of the lower portion of the laser cutter body 12, which exceeds the cutting lifting block 10, and the outer end of the cutting feeding limiting rod 18 is arc-shaped and is in tangential fit with the contact sensing screen 16.

The laser cutter works as follows, firstly, the laser cutter is started through a starting program in the laser cutter main body 12, then the laser emission head 13 emits a vertical downward laser beam, then the cutting feed screw rod 11 is driven to rotate through the cutting feed motor, further the laser cutter main body 12 is driven to feed, and the laser beam is fed, so that the product 4 is cut, in the feeding process of the laser cutter main body 12, the cutting feed limiting rod 18 is tangent to the contact induction screen all the time, further the condition of deviation of the laser cutter main body 12 can be avoided, the cutting quality is further ensured, and meanwhile, the cutting feed limiting rod 18 can also play a role in feeding the height position.

As shown in fig. 2, the outer side of the cutting sleeve 8 is sleeved with a material blocking lifting sleeve 15, the upper side of the material blocking lifting sleeve 15 is connected with a material blocking lifting cylinder 14 in the vertical direction arranged below the upper frame 2, and the material blocking lifting sleeve 15 is an elastic deformation sleeve body and is in sealing fit with the cutting sleeve 8.

Keep off material lift cylinder 14 and keep off material lift cover 15's design, can contact with product 4 through keeping off the decline of material lift cover 15, and then can form inclosed laser cutting space, when the space that has the dust cuts, can play good guard action, avoid the dust to disturb the cutting.

As shown in fig. 2, a communication port is formed in the lower portion of the side surface of the material blocking lifting sleeve 15, an air pump is connected to the outer side of the communication port, and the air pump is connected to a dust collection box or an oxygen tank.

The intercommunication mouth is seted up and is connected the air pump, and in the dust space, can collect the dust suction through the air pump, when panel thickness is thicker, need strengthen cutting capacity through increasing oxygen, and intercommunication mouth and air pump can play the effect of carrying oxygen.

As shown in fig. 4-5, the material loading device 3 includes two material loading devices matched with the notches of the products 4, the material loading devices include material loading frames 21 on the lower frame 1, the material loading frames 21 are provided with material loading clamping cylinders 27, the upper portions of the material loading clamping cylinders 27 are provided with material loading supporting blocks 28, the two sides of the material loading supporting blocks 28 are provided with material loading clamping grooves 31, the upper portions of the material loading supporting blocks 28 are provided with material loading clamping blocks 29 matched with the notches of the products 4, and the lower portions of the material loading clamping blocks 29 penetrate through the material loading clamping grooves 31 and are connected with cylinder heads of the material loading clamping cylinders 27.

The material loading device is simple in structural design, the two notches are clamped through the two material loading devices, a good material loading clamping effect can be achieved, cutting of a laser cutting part cannot be affected, material loading clamping operation is simple, only the material loading clamping cylinder 27 is needed to drive the two material loading clamping blocks 29 to move in opposite directions, centering clamping of the notches of the product 4 can be achieved, and then the positioning effect can be achieved.

As shown in fig. 5, a pressure sensor 30 is disposed at one end of the material loading and clamping groove 31 close to the material loading and clamping cylinder 27, and the distance between the outer sides of the two pressure sensors 30 is consistent with the width of the notch of the product 4.

The design of the pressure sensor 30 can detect whether the width specification of the product notch is accurate or not in the clamping process, if the overpressure sensor 30 does not have a product sensing signal, the product notch is proved to be too wide, and if the pressure sensor 30 generates a sensing signal, the product notch can still move, and the product notch is proved to be not wide enough.

As shown in fig. 4, the material loading frame 21 is provided with a material loading rotating shaft 22 and a material loading rotating motor which are matched with each other, the material loading rotating shaft 22 is sleeved with a material loading rotating sleeve 23, the material loading rotating sleeve 23 is fixedly connected with a material loading rotating arm 24 with a radial direction, the material loading clamping cylinder 27 is arranged on the material loading rotating arm 24, the side surface of the material loading frame 21 is further provided with a rotating arm limiting frame 25, the rotating arm limiting frame 25 is provided with a rotating arm limiting block 26 matched with the material loading rotating arm 24, and when the material loading rotating arm 24 is matched with the rotating arm limiting block 26, the material loading rotating arm 24 is positioned in a vertically upward state.

After the cutting is finished, the material loading rotating shaft 22 can be driven to rotate by the material loading rotating motor, and then the material loading rotating arm 24 is driven to rotate outwards, the rotating angle is 120-150 degrees, which is optimal, so that two cut parts can be rotated and cut by the two material loading rotating arms 24, due to the problem of the rotating angle, the cut part can also incline, and then the two material loading clamping blocks can be driven to move backwards by the material loading clamping cylinder 27, so that the product notch is not clamped, the cut part can fall down, so that the automatic discharging function can be realized, and the interference with the rotating part can not be generated, and the rotating arm limiting block 26 can ensure that the position of the material loading rotating arm 24 when the material loading rotating arm rotates to the material loading operation is accurate.

It should be noted that, in this document, 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.

The principle and embodiments of the present invention have been described herein by way of specific examples, which are provided only to help understand the method and the core idea of the present invention, and the above is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the above technical features can also be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.

Claims

1. A laser cutting mechanism comprises a lower frame (1) and an upper frame (2), wherein a material carrying device (3) matched with a product (4) is arranged on the lower frame (1), and a laser cutting device (5) is arranged below the upper frame (2), and is characterized in that the laser cutting device (5) comprises a cutting sleeve (8) connected with the upper frame (2) through a connecting rod (7), the cutting sleeve (8) is a cavity sleeve with an opening at the lower part, a cutting lifting cylinder (9) with a cylinder head penetrating into a cavity of the cutting sleeve (8) is arranged below the upper frame (2), a cutting lifting block (10) is connected below the cutting lifting cylinder (9), a laser cutter capable of feeding is connected below the cutting lifting block (10), a contact induction screen (16) is arranged on the inner wall of the cutting sleeve (8), and a cutting lifting screen (16) in tangent fit with the contact induction screen (16) is embedded into the side surface of the cutting lifting block (10) And a ball (17) is lowered.

2. The laser cutting mechanism according to claim 1, wherein the laser cutter comprises a feeding groove formed below the cutting lifting block (10), a cutting feeding screw rod (11) and a cutting feeding motor which are matched with each other are arranged in the feeding groove, the cutting feeding screw rod (11) is matched with a laser cutter body (12) in a sleeved mode, a laser emitting head (13) is arranged below the laser cutter body (12), a cutting feeding limiting rod (18) is arranged on the outer side of the position, exceeding the cutting lifting block (10), of the lower portion of the laser cutter body (12), and the outer end of the cutting feeding limiting rod (18) is arc-shaped and is matched with the contact sensing screen (16) in a tangent mode.

3. The laser cutting mechanism according to claim 1, wherein a material blocking lifting sleeve (15) is sleeved on the outer side of the cutting sleeve (8), the upper portion of the material blocking lifting sleeve (15) is connected with a material blocking lifting cylinder (14) which is arranged below the upper frame (2) and has a vertical trend, and the material blocking lifting sleeve (15) is an elastic deformation sleeve body and is in sealing fit with the cutting sleeve (8).

4. The laser cutting mechanism according to claim 3, wherein a communication port is formed in the lower portion of the side surface of the material blocking lifting sleeve (15), an air pump is connected to the outer side of the communication port, and the air pump is connected to a dust collection box or an oxygen tank.

5. The laser cutting mechanism according to claim 1, wherein the material loading device (3) comprises two material loading devices matched with the notches of the products (4), each material loading device comprises a material loading frame (21) on the lower frame (1), a material loading clamping cylinder (27) is arranged on each material loading frame (21), a material loading supporting block (28) is arranged on the upper portion of each material loading clamping cylinder (27), material loading clamping grooves (31) are formed in two sides of each material loading supporting block (28), a material loading clamping block (29) matched with the notches of the products (4) is arranged on the upper portion of each material loading supporting block (28), and the lower portion of each material loading clamping block (29) penetrates through each material loading clamping groove (31) and is connected with the cylinder head of each material loading clamping cylinder (27).

6. A laser cutting mechanism according to claim 5, characterized in that the load clamping groove (31) is provided with a pressure sensor (30) at one end close to the load clamping cylinder (27), and the distance between the outer sides of the two pressure sensors (30) is the same as the width of the notch of the product (4).

7. The laser cutting mechanism according to claim 5, wherein the material loading frame (21) is provided with a material loading rotating shaft (22) and a material loading rotating motor which are matched with each other, the material loading rotating shaft (22) is sleeved with a material loading rotating sleeve (23), the material loading rotating sleeve (23) is fixedly connected with a material loading rotating arm (24) with a radial trend, the material loading clamping cylinder (27) is arranged on the material loading rotating arm (24), a rotating arm limiting frame (25) is further arranged on the side surface of the material loading frame (21), a rotating arm limiting block (26) matched with the material loading rotating arm (24) is arranged on the rotating arm limiting frame (25), and when the material loading rotating arm (24) is matched with the rotating arm limiting block (26), the material loading rotating arm (24) is positioned in a vertically upward state.