CN208005009U - A kind of laser cutting machine - Google Patents

Abstract

The utility model is related to laser cutting device fields, disclose a kind of laser cutting machine, including body, the workbench being fixed on the machine body, clamp system and cutting head, it is provided with mounting base on the cutting head, several mandrils are vertically provided in the mounting base, the mandril bottom insertion is provided with rotatable ball, and ball is abutted with slab top when the cutting head cuts the plate on workbench.When cutting head carries out cutting processing to plate, the ball of mandril bottom is abutted with the top of plate, ball can follow cutting head mobile and be slided in panel surface, the effect of vertical auxiliary stopper is played to plate, the case where avoiding plate from being shaken with the vibrations that equipment generates during processing, forming mismachining tolerance occurs.

Description

A laser cutting machine

technical field

The utility model relates to the field of laser cutting equipment, in particular to a laser cutting machine.

Background technique

Laser cutting is to focus the laser emitted from the laser into a high-power-density laser beam through the optical path system. The laser beam is irradiated on the surface of the workpiece to make the workpiece reach the melting point or boiling point. At the same time, the high-pressure gas coaxial with the beam will melt or gas The metal is blown away, and with the movement of the beam and the relative position of the workpiece, the material will eventually form a slit, so as to achieve the purpose of cutting. For example, the Chinese patent whose notification number is CN205290085U discloses a laser cutting machine, including a machine tool body, a lifting mechanism is arranged in the machine tool body, a workbench assembly is arranged above the lifting mechanism, and the workbench assembly includes a workbench and a The needle plate of the workbench, the side of the workbench in the Y-axis direction is equipped with a clamping mechanism for the sheet metal, and the needle plate of the workbench is equipped with several plate universal translation support mechanisms parallel to the side of the workbench in the X-axis direction, and the workbench X A beam is arranged above the side in the axial direction, and a ventilation and dust removal mechanism is arranged under the beam, and the ventilation and dust removal mechanism is enclosed outside the needle plate of the workbench.

The equipment adopts a unilateral clamping method to clamp the sheet to be processed. When processing a thin plate with low rigidity, the thin plate is likely to vibrate with the vibration generated by the equipment during the processing process, resulting in processing errors.

Utility model content

The purpose of the utility model is to provide a laser cutting machine, which has the advantage of stable clamping when processing thin plates with low rigidity.

The above-mentioned technical purpose of the utility model is achieved through the following technical solutions:

A laser cutting machine, comprising a body, a workbench fixed on the body, a clamping mechanism and a cutting head, the cutting head is provided with a mounting seat, and several ejector rods are vertically arranged on the mounting seat, and the ejector A rollable ball is embedded in the bottom of the rod, and the ball abuts against the top of the plate when the cutting head cuts the plate on the workbench.

When the cutting head cuts the sheet, the ball at the bottom of the ejector pin contacts the top of the sheet, and the ball will follow the movement of the cutting head and slide on the surface of the sheet, which acts as a vertical auxiliary limit for the sheet. Avoid the vibration of the sheet metal during the processing process due to the vibration generated by the equipment, resulting in processing errors.

The utility model further sets: the ejector rod is vertically slidably connected to the mounting seat, and the cutting head is provided with an elastic member that drives the ejector rod to slide downward, one end of the elastic member is fixed to the ejector rod and the other end is connected to the cutting head fixed.

With this setting, when the cutting head moves down to the cutting point above the sheet, it will drive the ejector rod to move down synchronously. During the process, the ball will contact the top surface of the sheet. When the cutting head continues to move down, it will push the ejector rod The mounting seat overcomes the force of the thrust spring and slides, thereby generating a pressing force applied to the top of the sheet, so that the sheet can cling to the surface of the worktable, which greatly improves the processing stability of the sheet.

The utility model further provides that: the push rods are provided with connecting rods, and the connecting rods fix and connect adjacent push rods to each other.

With such an arrangement, when the cutting head moves to the edge of the plate, some of the balls in the push rod will disengage from the plate and slide down to lean against the workbench under the action of the thrust spring. At this time, when the cutting head continues to move for cutting, the balls will slide on the uneven worktable, which is easy to damage the balls. When the adjacent ejector rods are fixed by the connecting rod, it can ensure that the ejector rods are at the same height under any circumstances. Because the ejector rods are evenly distributed around the cutting head, when cutting the sheet, it can avoid the situation that the ejector rod at the end far away from the sheet slides away from the sheet and then moves down, thereby protecting the ball .

The utility model further sets: the cutting head is provided with a chute, the mounting seat is vertically slidably connected with the cutting head through the chute, and the cutting head is provided with a first limiter for positioning the mounting seat at the bottom of the chute. The cutting head is provided with a second limiting member for positioning the mounting seat at the top of the chute.

Through this setting, when the product to be processed is not plate-shaped but has a highly undulating shape, the setting of the ejector pin and the ball is not suitable for the processing of such parts. For the restriction of the mounting seat, push the mounting seat to slide upward in the chute and slide away from the bottom of the cutting head. Then the mounting seat is limited to the top of the chute by the second limit block, and finally the mounting seat is stored above the cutting head, and then the processing of parts other than the plate-shaped type can be started; the mounting seat can be accommodated so that The equipment can process different types of parts, which improves the practicability of the equipment.

The utility model further sets: the first limiting member includes a first limiting block, the first limiting block is horizontally slidably connected with the cutting head, and the first limiting block is provided with a One end of the first spring is fixed to the first limit block and the other end is fixed to the cutting head.

Through such setting, when the mounting seat is at the bottom end of the chute, the first limit block slides out in the direction away from the cutting head under the action of the first spring, and the mounting seat is limited to the bottom end of the chute, thereby realizing the limit effect.

The utility model further provides that: the second limiting member includes a second limiting block, the second limiting block is horizontally slidably connected with the cutting head, and the second limiting block is provided with a One end of the second spring is fixed to the second limit block and the other end is fixed to the cutting head.

Through such setting, when the mounting seat is located at the top of the chute, the second limit block slides out in the direction away from the cutting head under the action of the second spring, and the mounting seat is limited to the bottom end of the chute, thereby realizing the installation seat It is stored in the limit function at the top of the cutting head.

The utility model further sets: when the cutting head is far away from the sheet material, the height difference between the ball and the bottom of the cutting head is 1 cm.

With this setting, when the cutting head is far away from the plate, the height difference between the ball and the bottom of the cutting head is 1 cm. When the cutting head finishes processing the plate, the ejector rod will slide 1 cm against the plate under the force of the thrust spring The surface is pressed tightly, and the setting of the sliding stroke can avoid excessive pressing force from causing indentation on the surface of the sheet, and play a role in protecting the sheet.

The utility model further provides that: the top end of the first limiting block and the bottom end of the second limiting block are respectively provided with a first wedge-shaped surface and a second wedge-shaped surface facing away from the cutting head.

With such a setting, after pressing the first limit block to slide into the cutting head, the first limit block no longer restricts the mounting seat from sliding in the chute, and at this time, the mounting seat can be pushed to slide upwards in the chute. from the bottom of the cutting head. In the process of sliding, the second wedge-shaped surface will be pushed to make the second limit block slide into the cutting head. When the mounting seat slides to the top of the chute, the inner wall of the mounting seat will break away from the second limit block. The limiting block slips out of the cutting head under the action of the second spring and restricts the mounting seat to the top of the chute. The setting of the second wedge-shaped surface allows the mounting seat to slide to the end of the chute without manually pressing the second limiting block. At the top, the effect of subtracting the operation steps and simplifying the operation process is realized.

To sum up, the utility model has the following beneficial effects: when the cutting head cuts the sheet material, the ball at the bottom of the ejector pin abuts against the top of the sheet material, and the ball will follow the movement of the cutting head and slide on the surface of the sheet material. It has the effect of vertical auxiliary limit on the sheet metal, avoiding the vibration of the sheet metal during the processing process due to the vibration generated by the equipment, resulting in processing errors.

When the product to be processed is not plate-shaped but has a highly undulating shape, the setting of the ejector rod and the ball is not suitable for the processing of such parts. At this time, the restriction of the mounting seat by the first limiting member can be released Push the mount to slide up in the chute and away from the bottom of the cutting head. Then the mounting seat is limited to the top of the chute by the second limit block, and finally the mounting seat is stored above the cutting head, and then the processing of parts other than the plate-shaped type can be started; the mounting seat can be accommodated so that The equipment can process different types of parts, which improves the practicability of the equipment.

Description of drawings

Fig. 1 is the specific structural diagram of the present embodiment;

Fig. 2 is the specific structural diagram of cutting head in the present embodiment;

Fig. 3 is a specific structural diagram of the first limiting member and the second limiting member in this embodiment.

Reference signs: 1. body; 2. workbench; 3. clamping mechanism; 4. cutting head; 5. mounting seat; 6. chute; 7. first limiter; ; 10, thrust spring; 11, connecting rod; 12, the first limit block; 13, the first spring; 14, the second limit piece; 15, the second limit block; 16, the second spring; 17, the first A wedge-shaped surface; 18. The second wedge-shaped surface.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

A kind of laser cutting machine, as shown in Figure 1, comprises body 1, workbench 2 fixed on the body 1, clamping mechanism 3 and cutting head 4; On workbench 2.

When the equipment is cutting, the sheet to be processed is fixed on the workbench 2 by means of the clamping mechanism 3, and then the cutting head 4 performs laser cutting on the sheet.

As shown in Figure 2 and Figure 3, a mounting seat 5 is provided on the cutting head 4, and a chute 6 is provided on the cutting head 4 at the same time, and the mounting seat 5 is vertically slidably connected with the cutting head 4 through the chute 6. The head 4 is provided with a first limiting member 7 for positioning the mounting seat 5 at the bottom of the sliding groove 6 . Four ejector rods 8 are evenly arranged vertically on the mounting base 5, and the bottom of the ejector rods 8 is embedded with a rolling ball 9. When the cutting head 4 cuts the sheet material on the workbench 2, the ball 9 abuts against the top of the sheet material. .

In the working state, the mounting seat 5 is positioned at the bottom of the chute 6 by means of the first stopper 7, and when the cutting head 4 cuts the sheet material, the ball 9 at the bottom of the ejector rod 8 abuts against the top of the sheet material, The ball 9 will follow the movement of the cutting head 4 and slide on the surface of the sheet metal, and play a vertical auxiliary limit effect on the sheet metal, so as to avoid the shaking of the sheet metal due to the vibration generated by the equipment during processing, which will cause processing errors. Situation happens.

The ejector rod 8 is vertically slidably connected with the mounting base 5, and the cutting head 4 is provided with an elastic member that drives the ejector rod 8 to slide downward. The cutting head 4 is fixed. When the cutting head 4 moves down to the cutting point above the sheet, it will drive the ejector rod 8 to move down synchronously. During the process, the ball 9 will contact the top surface of the sheet. When the cutting head 4 continues to move down, it will push the ejector rod 8 The mounting seat 5 slides against the force of the thrust spring 10, thereby generating a pressing force applied to the top of the sheet material, so that the sheet material can cling to the surface of the workbench 2, greatly improving the processing stability of the sheet material. When the cutting head 4 is far away from the plate, the height difference between the ball 9 and the bottom end of the cutting head 4 is 1 cm. The surface of the sheet is pressed tightly, and the setting of the sliding stroke can avoid the indentation of the surface of the sheet caused by excessive pressing force, and play a role in protecting the sheet.

Connecting rods 11 are arranged on the push rods 8, and the connecting rods 11 connect adjacent push rods 8 to each other. Because the ejector rods 8 are evenly distributed around the cutting head 4, if the cutting head 4 moves to the edge of the plate, the balls 9 in part of the ejector rod 8 will break away from the plate and slide down under the action of the thrust spring 10 Lean on bench 2. Now when the cutting head 4 continues to move and cut, the ball 9 will slide on the uneven workbench 2, which will easily damage the ball 9. When the adjacent push rod 8 is fixed by the connecting rod 11, it can be ensured that the push rod 8 is in any position. All conditions are in a state of consistent height, because the ejector rods 8 are evenly distributed around the cutting head 4, so when cutting the sheet, it can avoid the situation that the ejector rod 8 at the end far away from the sheet slides away from the sheet and then moves down occur, and then play a role in protecting the ball 9.

The first limiting member 7 includes a first limiting block 12, the first limiting block 12 is horizontally slidably connected with the cutting head 4, and the first limiting block 12 is provided with a first stop that drives it to slide away from the cutting head 4. One end of the first spring 13 is fixed to the first limiting block 12 and the other end is fixed to the cutting head 4 . In addition, the cutting head 4 is provided with a second limiting member 14 for positioning the mounting base 5 at the top of the sliding groove 6 . The second limiting member 14 includes a second limiting block 15, which is horizontally slidably connected with the cutting head 4, and the second limiting block 15 is provided with a second spring that drives it to slide away from the cutting head 4. 16. One end of the second spring 16 is fixed to the second limit block 15 and the other end is fixed to the cutting head 4. The top end of the first limit block 12 and the bottom end of the second limit block 15 are respectively provided with directions facing away from each other. The first wedge-shaped surface 17 and the second wedge-shaped surface 18 of the cutting head 4 .

When the product to be processed is not plate-shaped but has a highly undulating shape, the setting of the push rod 8 and the ball 9 is not suitable for the processing of such parts. Sliding into the cutting head 4, when the bottom surface of the first stopper 12 is out of contact with the mounting seat 5, the first stopper 12 no longer restricts the sliding of the mounting seat 5 in the chute 6, and now the mounting seat 5 can be pushed in Slide upwards in the chute 6 and slide away from the bottom of the cutting head 4 . In the process of sliding, the second wedge-shaped surface 18 will be pushed to impel the second stop block 15 to slide into the cutting head 4, and when the mounting seat 5 slides to the top of the chute 6, the inner wall of the mounting seat 5 and the second stop block will 15 breaks away from the abutment, the second stopper 15 slips out of the cutting head 4 under the action of the second spring 16 and limits the mounting seat 5 to the top of the chute 6, and finally the mounting seat 5 is accommodated above the cutting head 4, and then You can start machining parts other than plate types.

Specific working process: when in working condition, the first limiter 7 positions the mounting seat 5 at the bottom of the chute 6, and when the cutting head 4 cuts the sheet, the ball 9 at the bottom of the ejector rod 8 is aligned with the sheet. When the top touches, the ball 9 will follow the movement of the cutting head 4 and slide on the surface of the sheet, which will have the effect of vertical auxiliary limit on the sheet, and avoid the vibration of the sheet during processing due to the vibration generated by the equipment. Formation of machining errors occurs.

When the product to be processed is not plate-shaped but has a highly undulating shape, press the first limit block 12 to slide into the cutting head 4, and when the bottom surface of the first limit block 12 is out of contact with the mounting seat 5 , the first limiting block 12 no longer restricts the mounting seat 5 from sliding in the chute 6 , and pushes the mounting seat 5 to slide upwards in the chute 6 and slide away from the bottom end of the cutting head 4 . In the process of sliding, the second wedge-shaped surface 18 will be pushed to impel the second stop block 15 to slide into the cutting head 4, and when the mounting seat 5 slides to the top of the chute 6, the inner wall of the mounting seat 5 and the second stop block will 15 breaks away from the abutment, the second stopper 15 slips out of the cutting head 4 under the action of the second spring 16 and limits the mounting seat 5 to the top of the chute 6, and finally the mounting seat 5 is accommodated above the cutting head 4, and then You can start machining parts other than plate types.

This specific embodiment is only an explanation of the utility model, and it is not a limitation of the utility model. After reading this description, those skilled in the art can make modifications to the embodiment without creative contribution according to needs, but as long as it is within the utility model All new claims are protected by patent law.

Claims (8)

1. A laser cutting machine, comprising a body (1), a workbench (2) fixed on the body (1), a clamping mechanism (3) and a cutting head (4), is characterized in that: the cutting head ( 4) is provided with a mounting seat (5), and several push rods (8) are vertically arranged on the mounting seat (5), and a rollable ball (9) is embedded in the bottom of the push rod (8). When the cutting head (4) cuts the sheet material on the workbench (2), the ball (9) abuts against the top of the sheet material. 2. A laser cutting machine according to claim 1, characterized in that: the ejector rod (8) is vertically slidably connected to the mounting base (5), and the cutting head (4) is provided with a driving ejector rod (8) An elastic piece that slides downward, one end of the elastic piece is fixed to the ejector rod (8) and the other end is fixed to the cutting head (4). 3. A laser cutting machine according to claim 2, characterized in that: said ejector rod (8) is provided with a connecting rod (11), and said connecting rod (11) connects adjacent ejector rods (8) ) are fixedly connected to each other. 4. A laser cutting machine according to claim 1, characterized in that: the cutting head (4) is provided with a chute (6), and the mounting seat (5) is connected to the cutting machine through the chute (6) The head (4) is vertically slidably connected, and the cutting head (4) is provided with a first stopper (7) that positions the mounting seat (5) at the bottom end of the chute (6), and the cutting head (4) A second stopper (14) for positioning the mounting seat (5) at the top of the chute (6) is arranged on the top. 5. A laser cutting machine according to claim 4, characterized in that: the first limiting member (7) comprises a first limiting block (12), and the first limiting block (12) and The cutting head (4) is horizontally slidably connected, and the first stopper (12) is provided with a first spring (13) that drives it to slide away from the cutting head (4), and one end of the first spring (13) It is fixed with the first limit block (12) and the other end is fixed with the cutting head (4). 6. A laser cutting machine according to claim 4, characterized in that: the second limiting member (14) comprises a second limiting block (15), and the second limiting block (15) and The cutting head (4) is horizontally slidably connected, and the second limiting block (15) is provided with a second spring (16) that drives it to slide away from the cutting head (4), and one end of the second spring (16) It is fixed with the second limit block (15) and the other end is fixed with the cutting head (4). 7. A laser cutting machine according to claim 2, characterized in that: when the cutting head (4) is far away from the sheet material, the height difference between the ball (9) and the bottom of the cutting head (4) is 1 cm . 8. A laser cutting machine according to claim 5, characterized in that: the top end of the first limit block (12) and the bottom end of the second limit block (15) are respectively provided with directions facing away from The first wedge-shaped surface (17) and the second wedge-shaped surface (18) of the cutting head (4).