Full-free four-chuck laser pipe cutting machine

Abstract

The full-free four-chuck laser pipe cutting machine comprises a servo positioning device, the servo positioning device comprises a servo driving part, a transmission assembly and a pipe bearing device, and the pipe bearing device is connected with the servo driving part in a matched mode through the transmission assembly; the pipe bearing device comprises a plurality of groups of carrier roller assemblies and / or a plurality of groups of turning plate assemblies, and the plurality of groups of carrier roller assemblies and / or the plurality of groups of turning plate assemblies are arranged at intervals in the axial direction of the lathe bed; the transmission assemblies are arranged in one-to-one correspondence with the carrier roller assemblies and / or the turning plate assemblies; the transmission assembly has a first state in transmission fit with the carrier roller assembly and / or the turning plate assembly and a second state in which the transmission assembly is separated from the carrier roller assembly and / or the turning plate assembly; in the first state, at least one part of the carrier roller assemblies and / or the turning plate assemblies can be driven by the servo driving part to synchronously move in the vertical direction. The servo positioning device is adopted to facilitate improvement of the machining precision and is matched with the logic of bed body cover plate blanking, the equipment stability is improved, the manufacturing cost is reduced, and the service life of the equipment is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of laser tube cutting machines, in particular to a fully free four-chuck laser tube cutting machine. Background Art

[0002] The laser tube cutting machines commonly used in the industry usually use two chucks to clamp the profiles to be cut, and some use a three-chuck layout. In the cutting of slender tubes and heavy tubes, due to structural limitations, the drooping deformation of the tube and the deformation of the tube's own precision make it impossible to meet the cutting precision requirements. In addition, the three chucks need to frequently transfer the workpiece when cutting and clamping, which greatly affects the loading and unloading efficiency and the whole machine processing rhythm. Although the four-chuck non-full free can take into account the loading and unloading efficiency and cutting accuracy, there are still problems of low precision and small load-bearing capacity for the clamping and feeding of longer tubes.

[0003] Moreover, the bed of a conventional laser tube cutting machine usually adopts an open structure. During the tube processing, the debris, residue, smoke, and cut tails and short materials are easy to fall into the bed, which may affect the safe operation of the equipment. In the prior art, a flat cover is also provided on the upper part of the bed, but it is not convenient for loading and unloading long and heavy tubes / finished parts.

[0004] This shows that the prior art still has certain defects. Utility Model Content

[0005] The purpose of the utility model is to provide a fully free four-chuck laser tube cutting machine to solve the problem that the existing open bed tube cutting machine generates debris, residues, smoke, and cut tails and short materials easily fall into the bed during the tube processing process, which poses a risk of affecting the safe operation of the equipment. In the prior art, there is also a flat cover plate set on the upper part of the bed, but it is inconvenient to load and unload long and heavy tubes / finished parts.

[0006] To achieve the above-mentioned purpose, the utility model provides a fully free four-chuck laser tube cutting machine, comprising a bed and a laser head module and a chuck module arranged on the upper part of the bed, wherein the laser head module is fixed to the bed and can perform cutting operations, and the chuck module comprises four groups of chucks arranged in sequence along the axial direction of the bed, and the four groups of chucks can all move relative to the bed along the axial direction of the bed, and the bed comprises a bed frame, a bed side guard plate arranged on the side of the bed frame, and a bed cover plate arranged on the upper part of the bed frame, and also comprises a servo positioning device, a pipe supporting device and a material receiving module; at least a part of the bed cover plate is arranged to be inclined in a direction parallel to the axial section of the bed;

[0007] The servo positioning device includes a servo drive and a transmission assembly; the pipe supporting device includes multiple groups of roller assemblies and / or multiple groups of flap assemblies, and the multiple groups of roller assemblies and / or multiple groups of flap assemblies are arranged at intervals along the axial direction of the bed; the transmission assembly is arranged in a one-to-one correspondence with the roller assembly and / or flap assembly, and the multiple groups of transmission assemblies are in transmission cooperation with the servo drive;

[0008] The transmission assembly has a first state in which it is in transmission cooperation with the roller assembly and / or the flap assembly and a second state in which it is disengaged from the roller assembly and / or the flap assembly; in the first state, at least a part of the roller assembly and / or the flap assembly can be driven by the servo drive member to synchronously pass through the opening in the vertical direction and move relative to the bed frame;

[0009] The two sides of the laser head module are divided into a loading side and a unloading side along the axial direction of the bed, and the material receiving module includes a material receiving plate and a material receiving frame arranged on the side of the bed on the unloading side and a unloading support roller arranged on the bed cover plate. There are multiple unloading support rollers, and the multiple unloading support rollers are arranged at intervals along the axial direction of the bed; the axial direction of the unloading support roller is perpendicular to the axial direction of the bed.

[0010] As a preferred embodiment of the present application, it also includes a laser head module, which includes a laser cutting head and a gantry. The laser cutting head is connected to the gantry through a moving component, and the laser cutting head can move relative to the gantry under the drive of the moving component; the gantry is fixed to the bed, and a chuck channel is provided between the gantry and the bed cover plate for the chuck to pass through.

[0011] As a preferred implementation manner of the present application, the servo positioning device further comprises a main transmission member, and the main transmission member is respectively in transmission cooperation with the servo driving member and the transmission assembly.

[0012] As a preferred embodiment of the present application, the roller assembly includes a mounting frame, a roller and a roller drive assembly arranged on the mounting frame, the roller drive assembly includes a horizontal drive component and a vertical drive component, the roller is connected to the horizontal drive component via the vertical drive component, the horizontal drive component can drive the vertical drive component and the roller to move in a horizontal direction relative to the mounting frame, and the vertical drive component can drive the roller to move in a vertical direction.

[0013] As a preferred embodiment of the present application, the transmission assembly includes a bevel gear assembly, a trapezoidal lead screw and a transmission frame; the main transmission member is a transmission shaft, and the transmission shaft is installed on the transmission frame through a bearing; the bevel gear assembly includes a first gear and a second gear, the first gear is connected to the transmission shaft, the second gear is installed on the upper part of the transmission frame and connected to the trapezoidal lead screw, and the servo drive drives the trapezoidal lead screw to move in a vertical direction relative to the transmission frame through the transmission shaft and the first gear and the second gear; the trapezoidal lead screw is provided with a connecting portion, and the roller assembly has a matching portion corresponding to the connecting portion, and the connecting portion can be detachably connected to the matching portion.

[0014] As a preferred embodiment of the present application, the flap assembly includes a flap and a turning assembly, and the flap is connected to the transmission assembly through the turning assembly; the turning assembly includes a connecting rod and a turning drive cylinder, and one end of the connecting rod and the turning drive cylinder are both arranged on the vertical drive assembly, and the other end is supported on the lower end surface of the flap, and the connecting rod and the turning drive cylinder form a four-bar structure, and the turning drive cylinder can drive the flap to turn to one side of the bed; the length of the turning drive cylinder is greater than the length of the connecting rod.

[0015] As a preferred embodiment of the present application, the transmission assembly also includes a vertical linear guide rail, a first transmission member cooperating with the servo drive member, a first mating member and a second mating member, the first mating member is matingly connected with the first transmission member, the servo drive member can drive the first mating member to move along the vertical linear guide rail through the first transmission member, and the flap is matingly connected with the second mating member through the flipping assembly.

[0016] As a preferred embodiment of the present application, the servo drive member is a motor, the main transmission member is a transmission shaft, the first transmission member includes a gear arranged on the transmission shaft and a rack meshing with the gear and arranged in a vertical direction, the first mating member is a limit plate arranged on the back of the rack, and the second mating member is a connecting plate arranged on the side of the output rack; the connecting plate and the limit plate can be detachably connected, and the cylinder end of the flip drive cylinder is connected to the connecting plate.

[0017] As a preferred embodiment of the present application, the bed cover plate includes a horizontal portion and an inclined portion that are connected to each other; the horizontal portion is detachably connected to the inclined portion; the inclined portion is provided with the unloading support roller; a plurality of matching portions are provided along the vertical direction on one side of the horizontal portion close to the inclined portion, and one end of the inclined portion close to the horizontal portion is connected to the matching portion.

[0018] Due to the adoption of the above technical solution, the beneficial effects achieved by this application are as follows:

[0019] 1. In the above scheme, by setting the bed cover, the debris, residue, smoke, cut tails, short materials, etc. that fall into the bed during the pipe processing are greatly reduced, which is conducive to ensuring the normal and safe operation of the equipment; at the same time, in the above scheme, the bed frame and the bed cover are both inclined, which is more convenient for unloading after pipe processing.

[0020] 2. In the above scheme, the bed cover plate includes a horizontal portion and an inclined portion, and one end of the inclined portion close to the horizontal portion can be connected to a plurality of matching portions with different vertical heights on the horizontal portion, so that the inclination angle of the inclined portion can be adjusted, thereby adapting to the needs of unloading pipes of different weights, and avoiding the excessive impact force generated when the heavy weight pipe is unloaded to the material receiving device due to the excessive inclination angle of the inclined portion during the unloading process, resulting in collision damage to the pipe itself and / or the material receiving device.

[0021] 3. In the above scheme, the servo positioning device can realize both unloading and auxiliary loading and provide auxiliary support for the pipe during the processing, so as to avoid the pipe from sinking and deforming due to its own weight when arranged and supported in a long span, causing the center of the pipe to seriously deviate from the rotation center of the chuck, and then causing the pipe to vibrate during rotation, affecting the processing accuracy, which is beneficial to improving the processing accuracy; and the servo positioning device in this application is used in conjunction with the inclined portion of the bed cover and the unloading support roller for unloading, compared with the traditional flip-plate unloading method, the complicated unloading and connecting actions (including connecting and flipping) are directly abandoned, and the machine itself structure is relied upon to unload smoothly, with stable structure, simple logic and extremely low cost, which greatly improves the stability of the equipment, reduces manufacturing costs and extends the service life of the equipment.

[0022] 4. In the above scheme, through the coordination of the transmission assembly with the roller assembly and / or the flap assembly, the pipe cutting machine claimed in the present application can adaptively select the number of rollers / flaps to be used according to the actual processing needs such as the cutting length and weight of the pipe, thereby ensuring the stability of material connection and cutting during the processing of longer and / or heavier pipes.

[0023] 5. In the above scheme, it is possible to use only one servo drive component to control the servo positioning of the entire servo positioning device. Compared with setting a drive for each roller assembly and / or flap assembly separately, it is more conducive to ensuring the synchronization of the movement of the roller assembly and / or flap assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0025] Figure 1 It is a structural schematic diagram of a fully free four-chuck laser tube cutting machine in an example;

[0026] Figure 2 It is a structural schematic diagram of a fully free four-chuck laser tube cutting machine bed in an example;

[0027] Figure 3 is a schematic diagram of the structure of a servo positioning device in an example;

[0028] Figure 4 It is a schematic diagram of the structure of the transmission assembly and the roller assembly;

[0029] Figure 5 It is a schematic diagram of the structure of the transmission assembly and the flap assembly;

[0030] Figure 6 A schematic diagram of the structure of the transmission assembly and the flap assembly in cooperation from another perspective;

[0031] Figure 7 for Δ Schematic diagram of H;

[0032] Figure 8 It is a structural schematic diagram of the material receiving module;

[0033] Fig. 9 This is a schematic diagram of the structure of the laser head module.

[0034] List of parts and reference numerals:

[0035] 1 bed, 11 bed side guard plate, 12 bed cover plate, 121 horizontal part, 122 inclined part, 13 unloading support roller, 14 chuck;

[0036] 2 laser head modules, 21 gantry, 22 laser cutting heads;

[0037] 3 roller assembly, 31 roller, 32 mounting frame, 33 vertical driving member;

[0038] 4 flap, 41 flip drive cylinder, 42 first matching piece, 43 second matching piece;

[0039] 5 transmission assembly, 51 motor, 52 transmission shaft, 531 first gear, 532 second gear, 54 trapezoidal lead screw, 55 guide optical axis, 56 transmission frame, 57 vertical linear guide rail, 58 gear, 59 rack;

[0040] 61 limit block, 62 positioning block, 63 photoelectric sensor switch, 64 sensor sheet.

[0041] 71 receiving plate, 72 receiving rack. DETAILED DESCRIPTION

[0042] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in combination with the accompanying drawings by way of examples.

[0043] It should be noted that many specific details are elaborated in the following description to facilitate a full understanding of the present invention. However, the present invention can also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific implementation methods disclosed below.

[0044] like Figure 1-9 As shown, the present application discloses a fully free four-chuck 14 laser tube cutting machine, which includes a bed 1, a laser head module 2 arranged on the upper part of the bed 1, and a chuck module, the chuck module includes four groups of free chucks 14 arranged along the axial direction of the bed, and the four groups of chucks 14 can move relative to the bed 1 on the guide rails arranged along the axial direction of the bed 1. The bed 1 includes a bed frame 1, a bed side slide plate 11 arranged on the side of the bed frame 1, and a bed cover plate 12 arranged on the upper part of the bed frame 1. It also includes a servo positioning device and a material receiving module. The two sides of the laser head module 2 along the axis of the bed 1 are divided into a loading side and a unloading side. The material receiving module includes a material receiving plate 71 and a material receiving rack 72 arranged on the side of the bed 1 on the unloading side. The material receiving plate 71 is mainly used to collect shorter materials. In order to prevent the materials from falling out of the steel frame structure, a protective plate is welded on the frame of the material receiving plate 71 to better collect the short materials; the material receiving rack 72 is mainly used to collect the falling materials of longer pipes. Preferably, the main frames of the material receiving plate 71 and the material receiving rack 72 are welded with hollow square tubes. In order to reduce the noise of falling materials, polyurethane strips are laid on them. The structure is stable and reliable, simple and practical, and has low cost. By setting the bed cover plate 12, the debris, residue, smoke, cut tails, short materials, etc. that fall into the bed 1 during the pipe processing process are greatly reduced, which is beneficial to ensure the normal and safe operation of the equipment; at the same time, in the above scheme, the bed 1 frame and the bed cover plate 12 are both inclined, and the servo positioning device and the material receiving module are used to facilitate the unloading of the pipe after processing.

[0045] As a preferred embodiment of the present application, refer to Figure 1 , Figure 2 and Figure 7As shown, the bed frame 1 includes multiple bed frame 1 segments, which are arranged in sequence along the axial direction of the bed frame 1, and the adjacent bed frame 1 segments are detachably connected; preferably, the bed frame 1 frame is made of rectangular pipes, and the adjacent two bed frame 1 segments are designed with push-pull top screw holes, and the splicing distance of the bed frame 1 segments can be fine-tuned by pushing and pulling screws. Perpendicular to the axial direction of the bed frame 1, there is a height difference between the heights of the two sides of the bed frame 1 Δ H.

[0046] Further, refer to Figure 1 and Fig. 9 As shown, the laser head module 2 is fixed to the bed 1 and can perform cutting operations, including a laser cutting head 22 and a gantry 21. The laser cutting head 22 is connected to the gantry 21 through a moving component, and the laser cutting head 22 can move relative to the gantry 21 driven by the moving component; the gantry 21 is fixed to the bed 1, and a chuck 14 channel is provided between the gantry 21 and the bed cover 12 for the chuck 14 to pass through. Four groups of chucks 14 are arranged in sequence along the axial direction of the bed 1 and all of the four groups of chucks 14 can move relative to the bed 1 along the axial direction of the bed 1; the servo positioning device includes a servo drive, a transmission assembly 5 and a pipe supporting device, the pipe supporting device includes multiple groups of roller assemblies 3 and / or multiple groups of flap assemblies, and the multiple groups of roller assemblies 3 and / or multiple groups of flap assemblies are arranged at intervals along the axial direction of the bed 1; the transmission assembly 5 is arranged one by one with the roller assembly 3 and / or the flap assembly, and the multiple groups of transmission assemblies 5 are matched with the servo drive for transmission; the transmission assembly 5 has a first state of transmission cooperation with the roller assembly 3 and / or the flap assembly and a second state of disengagement from the roller assembly 3 and / or the flap assembly; in the first state, at least a part of the roller assembly 3 and / or the flap assembly can be driven by the servo drive and move synchronously relative to the bed 1 frame in the vertical direction.

[0047] In the above scheme, by setting the bed cover plate 12, the debris, residue, smoke, cut tails, short materials, etc. that fall into the bed 1 during the pipe processing process are greatly reduced, which is beneficial to ensure the normal and safe operation of the equipment; at the same time, in the above scheme, the bed 1 frame and the bed cover plate 12 are both inclined, which is more convenient for unloading after pipe processing.

[0048] As a preferred embodiment of the present application, refer to Figure 2 As shown, the material receiving module further includes a material unloading support roller 13 disposed on the bed cover plate 12, and the material unloading support roller 13 is provided in plurality, and the plurality of material unloading support rollers 13 are arranged at intervals along the axial direction of the bed 1; the axial direction of the material unloading support roller 13 is perpendicular to the axial direction of the bed 1. In a preferred example, referring to Figure 2 and Figure 7As shown, the bed cover plate 12 includes a horizontal portion 121 and an inclined portion 122 that are connected to each other; the horizontal portion 121 and the inclined portion 122 are detachably connected; and the inclined portion 122 is provided with a material unloading support roller 13. The arrangement of the horizontal portion 121 facilitates the installation of other supporting devices / equipment of the pipe cutting machine on the bed 1. A plurality of limiting portions are arranged along the vertical direction on one side of the horizontal portion 121 close to the inclined portion 122, and one end of the inclined portion 122 close to the horizontal portion 121 is connected to the limiting portion; along the vertical direction, the height difference between the uppermost limiting portion and the lowermost limiting portion is less than Δ H. With this structure, the inclination angle of the inclined portion 122 can be adjusted to meet the requirements of feeding pipes of different weights, and to avoid the pipe itself and / or the receiving device being damaged by collision due to excessive impact force generated when the pipe is fed to the receiving device due to excessive inclination angle of the inclined portion 122 during the feeding process.

[0049] Further, refer to Figure 4 , Figure 5 As shown, the servo positioning device also includes a main transmission member, which is respectively in transmission cooperation with the servo drive member and the transmission assembly 5. Through the cooperation state of the transmission assembly 5 and the roller assembly 3 and / or the flap assembly, the pipe cutting machine claimed in the present application can realize the adaptive selection of the number of rollers 31 / flaps 4 to be used according to the actual processing needs such as the material cutting length and weight of the pipe, so as to ensure the stability of material connection and cutting during the processing of longer and / or heavier pipes. And it is possible to realize the servo positioning of the entire servo positioning device by using only one servo drive member, which is more conducive to ensuring the synchronization of the movement of the roller assembly 3 and / or the flap assembly compared to setting a drive for each roller assembly 3 and / or flap assembly separately.

[0050] In one example, referring to Figure 4As shown, the roller assembly 3 includes a mounting frame 32, a roller 31 disposed on the mounting frame 32, and a driving assembly of the roller 31. The driving assembly of the roller 31 includes a horizontal driving member and a vertical driving member. The roller 31 is connected to the horizontal driving member through the vertical driving member. The horizontal driving member can drive the vertical driving member and the roller 31 to move relative to the mounting frame 32 in the horizontal direction, and the vertical driving member can drive the roller 31 to move in the vertical direction. Preferably, both the horizontal driving member and the vertical driving member 33 are cylinders. The servo drive member adopts a motor 51, and the transmission assembly 5 includes a helical gear 58 assembly, a trapezoidal screw 54 and a transmission frame 56. The main transmission member is a transmission shaft 52, and the transmission shaft 52 is installed on the transmission frame 56 through a bearing; the helical gear 58 assembly includes a first gear 531 and a second gear 532, the first gear 531 is connected with the transmission shaft 52, and the second gear 532 is installed on the upper part of the transmission frame 56 and connected with the trapezoidal screw 54. The servo drive member drives the trapezoidal screw 54 to move relative to the transmission frame 56 in the vertical direction through the transmission shaft 52 and the first gear 531 and the second gear 532. The trapezoidal screw 54 is provided with a connecting portion, and the roller assembly 3 has a matching portion corresponding to the connecting portion, and the connecting portion can be detachably connected with the matching portion. The transmission assembly 5 and the roller assembly 3 can realize the switching between the aforementioned first state and the second state through the connection or separation of the connecting portion and the matching portion. It should be noted that the present application does not specifically limit the structure of the connection part and the matching part and the matching method and structure between the two. It can adopt the matching structure of the block / slot or other more different settings. Preferably, the transmission assembly 5 also includes a guide light axis 55, and the setting of the guide light axis 55 ensures the stability of the roller assembly 3 moving in the vertical direction. As a preferred embodiment of this example, refer to Figure 4 As shown, the height monitoring assembly includes a limit block 59 arranged on the trapezoidal screw 54, a positioning block 62 arranged on the transmission frame 56 and capable of cooperating with the limit block 59, a photoelectric induction switch 63 arranged on the transmission frame 56, and a sensing sheet 64 following the roller assembly 3. In actual operation, according to the diameter of the pipe, the transmission shaft 52 is driven to rotate by the motor 51 and the reducer, and then the trapezoidal screw 54 is driven to move up and down by the bevel gear 58 group, and the positioning block 62 is contacted with the limit block 59, and the photoelectric induction switch 63 is used to sense the sensing sheet 64 to realize the positioning of the roller 31, so as to ensure that the center of the pipe coincides with the center of the chuck 14, and achieve the purpose of servo positioning.

[0051] In another example, referring to Figure 5 , Figure 6As shown, the flap assembly includes a flap 4 and a turning assembly, and the flap 4 is connected to the transmission assembly 5 through the turning assembly; the turning assembly serves as the main supporting structure for supporting the flap 4 and the main driving structure for the movement of the flap 4, and mainly includes a connecting rod and a turning drive cylinder, and one end of the connecting rod and the turning drive cylinder are both arranged on the vertical driving assembly, and the other end is supported on the lower end surface of the flap 4, and the connecting rod and the turning drive cylinder form a four-bar structure, and the turning drive cylinder can drive the flap 4 to turn to one side of the bed 1; the length of the turning drive cylinder is greater than the length of the connecting rod. The flip drive cylinder is used to drive the flap 4 to flip sideways to achieve material dropping or the flap 4 to be in a horizontal state to achieve material support. The function of the flip drive cylinder is equivalent to a rocker rod, which can provide a driving force for the flip of the flap 4. In the four-bar structure composed of the flip drive cylinder and the connecting rod, the length of the flip drive cylinder is greater than the length of the connecting rod, so that the motion trajectory curve of the flap 4 is flipped downward and moved toward the material receiving module. The pipe workpiece slides downward from the flip plate 4 and generates a forward movement trend, which is convenient for the pipe workpiece to fall onto the material receiving table. The four-bar structure design can transmit a relatively large force, which is convenient for the unloading of large-weight pipe workpieces. The transmission assembly 5 also includes a vertical linear guide rail 57, a first transmission member matched with the servo drive member, a first matching member 42 and a second matching member 43. The first matching member 42 is connected with the first transmission member, and the servo drive member can drive the first matching member 42 to move along the vertical linear guide rail 57 through the first transmission member. The flap 4 is connected with the second matching member 43 through the flip assembly. Preferably, the servo drive member is a motor 51, the main transmission member is a transmission shaft 52, the first transmission member includes a gear 58 arranged on the transmission shaft 52 and a rack 59 meshing with the gear 58 and arranged in the vertical direction, the first mating member 42 is a limit plate arranged on the back of the rack 59, and the second mating member 43 is a connecting plate arranged on the side of the output rack 59; the connecting plate and the limit plate can be detachably connected, and the cylinder end of the flip drive cylinder is connected to the connecting plate. In this example, the height detection member adopts a photoelectric height sensor, including a transmitter arranged on the frame of the bed 1 and a sensor sheet 64 on the first mating member 42 or the second mating member 43. Of course, other forms of height monitoring members can also be selected, and this application does not make specific restrictions on this.

[0052] In the above scheme, the servo positioning device can realize both unloading and auxiliary loading and provide auxiliary support for the pipe during the processing, so as to avoid the pipe from sinking and deforming due to its own weight when arranged and supported in a long span, causing the center of the pipe to seriously deviate from the rotation center of the chuck 14, and then causing the pipe to vibrate during rotation, affecting the processing accuracy, which is beneficial to improving the processing accuracy; and the servo positioning device is used in conjunction with the inclined portion 122 of the bed cover 12 and the unloading support roller 13 for unloading, compared with the traditional flip plate 4 unloading method, the complicated unloading and connecting actions (including connecting and flipping) are directly abandoned, and the machine itself structure is relied upon to unload smoothly, with stable structure, simple logic and extremely low cost, which greatly improves the stability of the equipment, reduces manufacturing costs and extends the service life of the equipment.

[0053] The technical solution protected by the present utility model is not limited to the above-mentioned embodiments. It should be pointed out that the combination of the technical solution of any embodiment with the technical solution of one or more other embodiments is within the protection scope of the present utility model. Although the present utility model has been described in detail above with general descriptions and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made to it based on the present utility model. Therefore, these modifications or improvements made without departing from the spirit of the present utility model are within the scope of protection claimed by the present utility model.

Claims

1. A fully free four-chuck laser tube cutting machine, characterized in that: include: The servo positioning device comprises a servo driving member, a transmission assembly and a pipe supporting device, wherein the pipe supporting device is connected to the servo driving member through the transmission assembly; the pipe supporting device comprises a plurality of roller assemblies and / or a plurality of flap assemblies, wherein the plurality of roller assemblies and / or a plurality of flap assemblies are arranged at intervals along the axial direction of the bed; the transmission assembly is arranged in a one-to-one correspondence with the roller assemblies and / or the flap assemblies; The transmission assembly has a first state in which it is in transmission cooperation with the roller assembly and / or the flap assembly and a second state in which it is disengaged from the roller assembly and / or the flap assembly; in the first state, at least a portion of the roller assembly and / or the flap assembly can be synchronously moved in the vertical direction under the drive of the servo drive component.

2. The fully free four-chuck laser tube cutting machine according to claim 1, characterized in that: The servo positioning device also includes a main transmission member, which is respectively in transmission cooperation with the servo driving member and the transmission assembly.

3. The fully free four-chuck laser tube cutting machine as claimed in claim 2, characterized in that: The transmission assembly includes a bevel gear assembly, a trapezoidal lead screw and a transmission frame; the main transmission member is a transmission shaft, and the transmission shaft is installed on the transmission frame through a bearing; the bevel gear assembly includes a first gear and a second gear, the first gear is connected with the transmission shaft, the second gear is installed on the upper part of the transmission frame and connected with the trapezoidal lead screw, and the servo drive drives the trapezoidal lead screw to move relative to the transmission frame in a vertical direction through the transmission shaft and the first gear and the second gear; the trapezoidal lead screw is provided with a connecting portion, and the roller assembly has a matching portion corresponding to the connecting portion, and the connecting portion can be detachably connected to the matching portion.

4. The fully free four-chuck laser tube cutting machine as claimed in claim 2, characterized in that: The roller assembly includes a mounting frame, a roller and a roller drive assembly arranged on the mounting frame, the roller drive assembly includes a horizontal drive component and a vertical drive component, the roller is connected to the horizontal drive component via the vertical drive component, the horizontal drive component can drive the vertical drive component and the roller to move in a horizontal direction relative to the mounting frame, and the vertical drive component can drive the roller to move in a vertical direction.

5. The fully free four-chuck laser tube cutting machine as claimed in claim 4, characterized in that: The flap assembly includes a flap and a turning assembly, and the flap is connected to the transmission assembly through the turning assembly; the transmission assembly also includes a vertical linear guide rail, a first transmission member matched with the servo drive member, a first matching member and a second matching member, the first matching member is connected to the first transmission member, and the servo drive member can drive the first matching member to move along the vertical linear guide rail through the first transmission member, and the flap is connected to the second matching member through the turning assembly.

6. The fully free four-chuck laser tube cutting machine as claimed in claim 5, characterized in that: The servo drive component is a motor, the main transmission component is a transmission shaft, the first transmission component includes a gear arranged on the transmission shaft and a rack meshing with the gear and arranged in a vertical direction, the first matching component is a limit plate arranged on the back of the rack, and the second matching component is a connecting plate arranged on the side of the output rack; the connecting plate and the limit plate can be detachably connected.

7. The fully free four-chuck laser tube cutting machine according to claim 6, characterized in that: The flipping assembly includes a connecting rod and a flipping drive cylinder, one end of the connecting rod and the flipping drive cylinder are both arranged on the vertical drive assembly, and the other end is supported on the lower end surface of the flip plate, and the connecting rod and the flipping drive cylinder form a four-bar structure, and the flipping drive cylinder can drive the flip plate to flip to one side of the bed; the length of the flipping drive cylinder is greater than the length of the connecting rod.

8. The fully free four-chuck laser tube cutting machine as claimed in claim 2, characterized in that: It also includes a bed for installing the servo positioning device, the bed includes a bed frame and a bed cover plate arranged on the upper part of the bed frame, and at least a part of the bed cover plate is arranged to be inclined in a direction parallel to the axial section of the bed.

9. The fully free four-chuck laser tube cutting machine according to claim 8, characterized in that: The bed cover plate comprises a horizontal portion and an inclined portion connected to each other; the horizontal portion is detachably connected to the inclined portion.

10. The fully free four-chuck laser tube cutting machine according to claim 8, characterized in that: Also includes: A laser head module is fixedly arranged on the upper part of the bed and is capable of performing cutting operations; A material receiving module, comprising a material unloading support roller arranged on the bed cover plate, and a material receiving plate and a material receiving frame arranged on the side of the bed; The chuck module comprises four groups of chucks arranged along the axial direction of the bed, and the four groups of chucks can all move relative to the bed along the axial direction of the bed.

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