CN214109271U

CN214109271U - Anti-collision protection device of laser processing equipment

Info

Publication number: CN214109271U
Application number: CN202022986710.XU
Authority: CN
Inventors: 刘洋; 常勇
Original assignee: Guangdong Hongshi Laser Technology Co Ltd
Current assignee: Guangdong Hongshi Laser Technology Co Ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-09-03
Anticipated expiration: 2030-12-11

Abstract

The utility model discloses a laser beam machining equipment's collision avoidance device relates to laser beam machining and equips the field, and this scheme includes crashproof base member, separable body, the crashproof base member with separable body adsorbs fixedly each other through magnetism adsorption element, the crashproof base member with separable body coupling has spacing connecting piece, the crashproof base member with be provided with dustproof telescope tube between the separable body, dustproof telescope tube's both ends respectively with the crashproof base member separable body can dismantle the connection. Through spacing connecting piece with crashproof base member and separable body coupling, retrain the portable scope after the collision separable body to avoid appearing crashproof base member and the condition that the separable body separates the damage that drops after separating completely, the gap that produces when dustproof telescope tube can effectively take place the partial separation to crashproof base member after the collision and separable body prevents dust, reduces the possibility that the laser part that needs the protection received the pollution.

Description

Anti-collision protection device of laser processing equipment

Technical Field

The utility model relates to a laser beam machining equips the field, concretely relates to collision avoidance device of laser beam machining equipment.

Background

The laser processing technology is a one-step processing technology for cutting, welding, surface processing, punching, micro-processing and the like of materials (including metals and non-metals) by utilizing the interaction characteristic of a laser beam and a substance.

As an advanced manufacturing technology, laser processing has been widely applied to national economic important departments such as automobiles, electronics, electrical appliances, aviation, metallurgy, mechanical manufacturing and the like, and plays an increasingly important role in improving product quality, labor productivity, automation, no pollution, reducing material consumption and the like.

In the application of the laser head, particularly in the field of space three-dimensional cutting, due to the conditions of warping of a plate, difference between a digital model and the plate, forming errors of a three-dimensional special-shaped piece and the like, the laser head is likely to collide with the plate in the cutting process, and irreversible damage is easily caused to the laser head and key parts during collision.

Thus requiring protection from laser head mount collisions.

In the prior art, chinese patent application with publication number CN 102794570 a discloses an anti-collision device for a laser cutting machine, which comprises an anti-collision base, an inductive switch, a magnet and an anti-collision connector, wherein one end of the anti-collision base is fixedly connected with a cutting torch lifting device of the cutting machine, and the cutting torch lifting device can just drive the cutting head to do up-and-down reciprocating motion; the other end of the anti-collision base body is fixedly connected with one end of the magnet; the other end face of the magnet is in close contact with one end face of the anti-collision connecting body through magnetic force; the other end of the anti-collision connecting body is fixedly connected with the cutting head part of the laser cutting machine; the inductive switch is fixedly arranged on the anti-collision base body, and the inductive switch can just sense whether the cutting head part is collided and transmits the information to the PLC control system of the laser cutting machine. This scheme passes through magnet and connects anticollision base member and anticollision connector for the anticollision connector receives can separate with the anticollision base member after the collision, sets up electromagnetic type inductive switch in addition, whether separates to detect both, separates the back when detecting both, sends control signal to PLC control system, thereby plays the effect of protection.

For another example, chinese patent publication No. CN 111318825B discloses an anti-collision protection device for head-swinging laser welding, which includes a head-swinging main body, and further includes: the swing head protection window is arranged at the lower end of the swing head main body; the first protection device is connected to the lower end of the swing head protection window and used for achieving impact and falling in the direction of X, Y; the second protection device is connected to the lower end of the first protection device and used for realizing Z-direction impact lifting; the anti-collision protection sensor is arranged on the swing head protection window and used for sensing whether the first protection device and the second protection device are impacted or not, and the anti-collision protection sensor is electrically connected with a control host of the welding equipment. The scheme can achieve collision avoidance in X, Y, Z three directions, and can be quickly restored without affecting the progress of a project even if the swinging head collides; after the collision, the equipment can give an alarm at the first time to stop the equipment, so that the equipment cannot be damaged secondarily, and the occurrence of field production safety accidents is reduced.

However, in the above solutions, there are still drawbacks in practical use, such as: because the complicacy of laser beam machining environment, there is dirt, pollutants such as processing piece, the optics group of setting in crashproof base member can receive the pollution of dirt owing to the gap that crashproof connector and crashproof base member separation produced, thereby influence production and processing, in addition, because it is not spacing between crashproof connector and the crashproof base member, receive the collision back of splitting by force at the crashproof connector, the crashproof connector can appear and the crashproof base member breaks away from completely, thereby cause the crashproof connector, the damage of machine or work piece, and be not convenient for recover the use.

Therefore, it is desirable to provide an anti-collision protection device which has higher reliability and can reduce the influence on normal processing after collision in laser processing.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide a laser beam machining equipment's collision avoidance device, it includes the anticollision base member, separable body, spacing connecting piece and dustproof telescope tube, through spacing connecting piece with anticollision base member and separable body coupling, but the movable range after the collision to separable body retrains, thereby avoid appearing the condition that the anticollision base member drops the damage after separating completely with separable body, dustproof telescope tube can be effectively dustproof to the gap that produces when the anticollision base member after the collision takes place the partial separation with separable body, reduce the possibility that the laser part that needs the protection received the pollution. The anti-collision protection device of the laser processing equipment has the advantages of reliable anti-collision and capability of effectively reducing the influence on normal processing after collision.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

the utility model provides a laser processing equipment's collision avoidance device, includes crashproof base member, separable body, the crashproof base member with separable body adsorbs fixedly each other through magnetism adsorption element, the crashproof base member with separable body is connected with spacing connecting piece, the crashproof base member with be provided with dustproof telescope tube between the separable body, dustproof telescope tube's both ends respectively with the crashproof base member separable body can dismantle the connection.

Through the arrangement, the limit connecting piece restrains the movable range of the separable body relative to the anti-collision base body, the condition that the separable body and the anti-collision base body fall off due to collision is avoided, the damage of the separable body or the damage of a machine or a workpiece caused by the separable body is reduced, and the reliability of the safety protection of the laser processing part is improved; and the setting of dustproof flexible cover can be to effectively carrying out dustproof sealing to the hookup location between crashproof base member and the separable body, it breaks away from or breaks away from completely to appear the part at separable body and crashproof base member, the dirt proof boot homoenergetic plays dustproof effect, avoid processing environment's pollutants such as dirt matter get into the crashproof base member by the gap between separable body and the crashproof base member inside and cause the pollution to the laser processing part that needs the protection, reduce the required cost of maintaining after the collision, thereby effectively reduce and collide the back and influence normal processing, sustainable processing's stability is strong.

Preferably, the limiting connecting piece is an elastic connecting piece.

Through setting up like this, the optional elastic connecting piece of spacing connecting piece can play spacing effect on the one hand, and on the other hand is because it has elasticity to can have ductile ability, avoid appearing the possibility that spacing connecting piece collapses absolutely, in addition, still be favorable to the restoration of separable body after the collision.

Further, the limit connector can be a steel cable with deformable and elastic properties.

Alternatively, the limiting connecting piece is a spring.

Preferably, the limiting connecting piece is a flexible inhaul cable, and the length L of the flexible inhaul cable is larger than the distance H between the anti-collision base body and the separable body.

Through setting up like this, the optional flexible cable that uses of spacing connecting piece, and the length L of injecing the flexible cable is for making it can guarantee that separable body is separable after receiving the collision for being greater than the interval H between crashproof base member and the separable body.

Preferably, the anticollision base member is last to dismantle and be connected with first connecting plate, the last correspondence of separable body is dismantled and is connected with the second connecting plate, magnetism adsorbs the piece and includes that a plurality of magnetism inhales the monomer, and is a plurality of magnetism inhale the monomer equipartition in on the first connecting plate.

Through setting up like this, can dismantle the first connecting plate of connection on the anticollision base member, detachably connects the second connecting plate on separable body, the assembly and the installation of being convenient for.

Preferably, the surface of the first connecting plate, which faces one side of the second connecting plate, is provided with a mounting groove corresponding to the magnetic single body, and the magnetic single body is mounted in the mounting groove.

Through the arrangement, the magnetic single bodies can be accommodated in the arranged mounting grooves, and the possibility that the magnetic single bodies are separated from the first connecting plate is reduced.

Preferably, the first connecting plate is further provided with an exhaust through hole communicated with the bottom of the mounting groove.

Through setting up like this, when the monomer is inhaled to installation magnetism, enable magnetism to inhale the monomer and install to laminating with the bottom of mounting groove mutually, set up exhaust through-hole, be convenient for inhale the monomer installation with magnetism and target in place.

Preferably, the opening direction of the exhaust through hole is the same as the opening direction of the mounting groove, and the maximum size of the exhaust hole is smaller than the minimum width of the mounting groove.

Through setting up like this, the exhaust hole is seted up with this kind of mode, realizes carminative function on the one hand, and on the other hand can be convenient for ejecting the absorption monomer in the mounting groove through the exhaust hole, and convenient the dismantlement is convenient for change the maintenance.

Preferably, the first connecting plate is provided with a positioning round pin, the second connecting plate is provided with a groove for the insertion of the positioning round pin, one surface of the first connecting plate facing the second connecting plate is also convexly provided with a conical connecting boss, and the second connecting plate is concavely provided with a conical through hole corresponding to the connecting boss.

Through setting up like this, the toper through-hole on the second connecting plate can with connect the boss cooperation, the cooperation precision is high, the second connecting plate of being convenient for aligns the installation with first connecting plate, and the shape of connecting the boss makes things convenient for the second connecting plate to break away from and restore with first connecting plate, and set up the recess cooperation on location round pin and the second connecting plate board on the first connecting plate, the setting of location round pin can avoid the second connecting plate to rotate around self center pin, installation, location convenience.

Preferably, a plurality of detection sensors penetrate through the first connecting plate, the sensors are uniformly distributed on the first connecting plate, and the detection ends of the detection sensors are arranged towards the second connecting plate.

Through setting up like this, wear to establish a plurality of detection sensor in first connecting plate, when the separation takes place for the second connecting plate, can short-term test and feedback detected signal to the follow-up ability in time of being convenient for responds to shut down and maintains.

Preferably, the dustproof telescopic sleeve is sleeved outside the first connecting plate and the second connecting plate and is fixed through a fixed connecting piece.

Through setting up like this, the both ends of dustproof flexible cover overlap respectively outside first connecting plate, second connecting plate, and rethread fixed connection spare is fixed, connects stably, reliably.

Preferably, the fixed connector is a pipe clamp.

Through setting up like this, the ferrule can be selected for use to the fixed connection spare, connects stably, reliably.

Preferably, the component to be protected is fixed to the separable body, and the component to be protected is the whole laser head or a part of the laser head.

Through setting up like this, this laser protection device can be used to the holistic protection of laser head or laser head spare part, extensive applicability.

Compared with the prior art, the utility model discloses profitable technological effect has been obtained:

1. through spacing connecting piece with crashproof base member and separable body coupling, retrain the portable scope after the collision separable body to avoid appearing crashproof base member and the condition that the separable body separates the damage that drops after separating completely, the gap that produces when dustproof telescope tube can effectively take place the partial separation to crashproof base member after the collision and separable body prevents dust, reduces the possibility that the laser part that needs the protection received the pollution.

2. Set up the toper through-hole on the second connecting plate, set up the connection boss on first connecting plate, the cooperation precision is high, and the second connecting plate of being convenient for aligns the installation with first connecting plate, and the recess cooperation on location round pin and the second connecting plate board on the first connecting plate can avoid the second connecting plate to rotate around self center pin, and installation, location are convenient.

3. The two ends of the dustproof telescopic sleeve are respectively sleeved outside the first connecting plate and the second connecting plate and are fixed through the fixed connecting pieces, and the connection is stable and reliable.

4. The laser protection device can be used for protecting the whole laser head or laser head parts, and is wide in applicability.

Drawings

Fig. 1 is an exploded schematic view of an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a front view of an embodiment of the invention;

fig. 4 is a sectional view taken along the plane a-a in fig. 3.

Wherein, the technical characteristics that each reference numeral refers to are as follows:

1. an anti-collision base body; 101. a first connecting plate; 1011. positioning a round pin; 10111. a head portion; 1012. connecting the bosses; 2. a separable body; 201. a second connecting plate; 2011. a groove; 2012. a tapered through hole; 2013. positioning the convex column; 202. positioning holes; 3. a magnetic adsorption member; 301. magnetically attracting the monomer; 4. a limiting connecting piece; 5. a dustproof telescopic sleeve; 6. a component to be protected; 7. a detection sensor; 8. and fixing the connecting piece.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments, but the scope of the present invention is not limited to the following specific embodiments.

Referring to fig. 1 to 4, the embodiment discloses an anti-collision protection device for laser processing equipment, including crashproof base member 1, separable body 2, crashproof base member 1 and separable body 2 adsorb fixedly each other through magnetic adsorption piece 3, and crashproof base member 1 is connected with spacing connecting piece 4 with separable body 2, is provided with dustproof telescopic sleeve 5 between crashproof base member 1 and the separable body 2, and the both ends of dustproof telescopic sleeve 5 can be dismantled with crashproof base member 1, separable body 2 respectively and be connected.

The component 6 to be protected is fixed on the separable body 2, and the component 6 to be protected is the whole laser head or a part of the laser head.

In this embodiment, the component 6 to be protected is a laser head component, specifically, a cutting torch, which is a working end component of a conventional laser cutting head.

The limit connecting piece 4 can be arranged in a plurality of circumferential directions around the anti-collision base body 1.

In a preferred embodiment, the spacing link 4 is an elastic link.

In this embodiment, the limiting connection member 4 is a steel cable with deformable and resilient properties, one end of the steel cable is fixed to the anti-collision base 1, and the other end of the steel cable is fixed to the separable body 2.

Preferably, both ends of the steel cable can be respectively provided with a fixing piece (not marked in the figure), the fixing piece is provided with a connecting hole, and the steel cable is respectively connected with the anti-collision base body 1 and the separable body 2 by penetrating through the connecting hole by adopting a screw, so that the assembly is convenient.

In other embodiments, the spacing link 4 may be a spring.

As an alternative embodiment, the limit connector 4 is a flexible cable, and the length L of the flexible cable is greater than the distance H between the collision avoidance matrix 1 and the separable body 2.

Preferably, the selectable value range of L is (1.1-2) H.

Referring to fig. 1, fig. 3 and fig. 4, the first connecting plate 101 is detachably connected to the anti-collision base 1, the second connecting plate 201 is detachably connected to the separable body 2 in a corresponding manner, the magnetic attraction member 3 includes a plurality of magnetic attraction units 301, and the plurality of magnetic attraction units 301 are uniformly distributed on the first connecting plate 101.

Referring to fig. 1, in order to facilitate assembly of the first connecting plate 101 and the second connecting plate 201, positioning bosses 2013 are disposed on the first connecting plate 101 and the second connecting plate 201, and positioning holes 202 are disposed on the anti-collision base 1 and the separable body 2 corresponding to the positioning bosses 2013.

In this embodiment, the first connecting plate 101 and the anti-collision base 1, the second connecting plate 201 and the separable body 2 are connected by screws or bolts and nuts to be detachable.

Magnetism is inhaled monomer 301 and is cylindric magnet, and first connecting plate 101 and second connecting plate 201 all are cylindricly, and a plurality of magnetism are inhaled monomer 301 and are around the center pin equipartition of first connecting plate 101.

The first connecting plate 101 faces the surface of one side of the second connecting plate 201 and is provided with a mounting groove (not shown) corresponding to the magnetic attraction monomer 301, and the magnetic attraction monomer 301 is mounted in the mounting groove.

The depth of the mounting groove can be set to be smaller than the height of the magnetic monomer 301, that is, the magnetic monomer 301 is partially accommodated in the mounting groove and partially exposed out of the mounting groove, which is not beneficial to the long-term use of the magnetic monomer 301;

more preferably, the degree of depth of mounting groove can be for being more than or equal to magnetism inhale monomer 301's height, and magnetism is inhaled monomer 301 and is inlayed in the mounting groove completely promptly, and magnetism inhales the surface of monomer 301 tip at least and the face parallel and level of first connecting plate 101, is favorable to reducing the direct contact of magnetism inhaling monomer 301 and second connecting plate 201, reduces second connecting plate 201 collision magnetism and inhales monomer 301 and cause the damage to magnetism and inhale monomer 301.

The first connecting plate 101 is further provided with an exhaust through hole (not shown) communicated with the bottom of the mounting groove.

The opening direction of the exhaust through hole is the same as the opening direction of the mounting groove, and the maximum size of the exhaust through hole is smaller than the minimum width of the mounting groove.

The preferred shape of exhaust through-hole is circular, and the preferred shape of mounting groove is circular, then the diameter of exhaust through-hole need be less than the mounting groove, otherwise be not convenient for magnetism to inhale monomer 301's installation, location.

Referring to fig. 1 and 2, a positioning round pin 1011 is disposed on the first connecting plate 101, a groove 2011 for inserting the positioning round pin 1011 is disposed on the second connecting plate 201, a tapered connecting boss 1012 is further disposed on one surface of the first connecting plate 101 facing the second connecting plate 201, and a tapered through hole 2012 is disposed on the second connecting plate 201 corresponding to the tapered connecting boss 1012.

One end of the positioning round pin 1011 is fixed with the first connecting plate 101, the other end of the positioning round pin is provided with an arc-shaped or conical head 10111, the head 10111 is conveniently inserted into the groove 2011, and the second connecting plate 201 and the first connecting plate 101 are quickly positioned, namely the separable body 2 and the anti-collision base 1 are quickly positioned.

Referring to fig. 1 and 4, a plurality of detection sensors 7 are disposed in the first connection plate 101, the plurality of sensors are uniformly distributed on the first connection plate 101, and a detection end of the detection sensor 7 is disposed toward the second connection plate 201.

The detection sensor 7 can select a conventional infrared sensor, a travel switch or other distance sensors, only the detection precision is required to be guaranteed to be 0-0.1 mm, when the second connecting plate 201 has a gap within 0.1mm due to collision with the first connecting plate 101, the detection sensor 7 can detect the gap, and therefore the gap can be fed back to a control system of the laser processing equipment, for example, in a PLC (programmable logic controller), the laser processing equipment is controlled by the control system to be stopped for inspection and reset, so that the collision can be responded timely, and laser components needing to be protected are protected.

The dustproof telescopic sleeve 5 is sleeved outside the first connecting plate 101 and the second connecting plate 201 and is fixed through a fixed connecting piece 8.

In this embodiment, the fixed connector 8 is a pipe clamp, and after the end of the dustproof telescopic sleeve 5 is sleeved outside the first connecting plate 101 and the second connecting plate 201, the dustproof telescopic sleeve 5 is sleeved outside the pipe clamp, and the fastening screw on the pipe clamp is tightened, so that the installation can be completed.

In other embodiments, the fixed connector 8 can be used to fasten the dust-proof telescopic sleeve 5 to the first connecting plate 101 or the second connecting plate 201 by using screws.

The utility model discloses use of embodiment:

the component 6 to be protected is fixed on the separable body 2, when the component 6 to be protected is collided with the movement of the moving part of the laser processing equipment, the separable body 2 can be separated from the collision avoidance base body 1, and the detection sensor 7 sends a collision signal to a control system of the laser processing equipment by detecting the separation of the second connecting plate 201 from the first connecting plate 101, and stops maintenance by sending the control signal by the laser processing control system, thereby protecting the component 6 to be protected.

Due to the arrangement of the limiting connecting piece 4, the anti-collision base body 1 can be connected with the separable body 2, and the limiting connecting piece 4 restricts the movable range of the separable body 2 after collision, so that the condition that the anti-collision base body 1 and the separable body 2 fall and are damaged after being completely separated is avoided;

the dustproof telescopic sleeve 5 can effectively prevent dust in a gap generated when the collision-proof base body 1 and the separable body 2 are partially separated after collision, and the possibility that laser parts needing to be protected are polluted is reduced.

The anti-collision protection device of the laser processing equipment has the advantages of reliable anti-collision and capability of effectively reducing the influence on normal processing after collision, and is more suitable for actual laser processing.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. In addition, although specific terms are used in the specification, the terms are used for convenience of description and do not limit the utility model in any way.

Claims

1. The utility model provides an anticollision protection device of laser beam machining equipment, includes crashproof base member (1), separable body (2), crashproof base member (1) with separable body (2) adsorb fixedly each other through magnetism adsorption member (3), its characterized in that, crashproof base member (1) with separable body (2) are connected with spacing connecting piece (4), crashproof base member (1) with be provided with dustproof telescope tube (5) between separable body (2), the both ends of dustproof telescope tube (5) respectively with crashproof base member (1), the connection can be dismantled to separable body (2).

2. The anti-collision protection device of the laser processing equipment as claimed in claim 1, wherein the limit connector (4) is an elastic connector.

3. The anti-collision protection device of the laser processing equipment according to claim 1, wherein the limit connector (4) is a flexible cable, and the length L of the flexible cable is greater than the distance H between the anti-collision base body (1) and the separable body (2).

4. The anti-collision protection device of the laser processing equipment according to any one of claims 1 to 3, wherein a first connecting plate (101) is detachably connected to the anti-collision base (1), a second connecting plate (201) is detachably connected to the separable body (2) correspondingly, the magnetic adsorption member (3) comprises a plurality of magnetic adsorption units (301), and the plurality of magnetic adsorption units (301) are uniformly distributed on the first connecting plate (101).

5. The anti-collision protection device of the laser processing equipment as claimed in claim 4, wherein a mounting groove is formed on the surface of the first connecting plate (101) facing one side of the second connecting plate (201) and corresponding to the magnetic attraction single body (301), and the magnetic attraction single body (301) is mounted in the mounting groove.

6. The anti-collision protection device of the laser processing equipment according to claim 5, wherein a positioning round pin (1011) is arranged on the first connecting plate (101), a groove (2011) for the insertion of the positioning round pin (1011) is formed on the second connecting plate (201), a tapered connecting boss (1012) is further convexly arranged on one surface of the first connecting plate (101) facing the second connecting plate (201), and a tapered through hole (2012) is concavely arranged on the second connecting plate (201) corresponding to the connecting boss (1012).

7. The anti-collision protection device of the laser processing equipment according to claim 4, wherein a plurality of detection sensors (7) are arranged in the first connecting plate (101) in a penetrating manner, the plurality of sensors are uniformly distributed on the first connecting plate (101), and the detection ends of the detection sensors (7) are arranged towards the second connecting plate (201).

8. The anti-collision protection device of the laser processing equipment as claimed in claim 4, wherein the dustproof telescopic sleeve (5) is sleeved outside the first connecting plate (101) and the second connecting plate (201) and is fixed through a fixed connecting piece (8).

9. Crash protection device for a laser processing apparatus according to claim 8, characterized in that the fixed connection (8) is a pipe clamp.

10. A crash protection device for laser processing equipment according to claim 1, 2, 3, 5, 6, 7, 8 or 9, characterized in that the component (6) to be protected is fixed to the separable body (2), said component (6) to be protected being a laser head whole or a laser head part.