Totally-closed exchange type laser cutting machine

Abstract

The utility model discloses a totally-closed exchange type laser cutting machine, and relates to the technical field of laser cutting machines. The device comprises a closed chamber and two feeding and discharging devices, a three-axis cutting device is arranged in the closed chamber, an opening is formed in the lower portion of the front side of the closed chamber, the two feeding and discharging devices are arranged side by side and both penetrate through the opening, and each feeding and discharging device comprises a bracket, two ground rails and a chain transmission mechanism arranged between the two ground rails in parallel. A hydraulic lock hook is arranged between the two ground rails and located at one end in the closed chamber, the chain transmission mechanism comprises a front chain wheel and a rear chain wheel, and a chain body is arranged between the front chain wheel and the rear chain wheel. By designing the left side and right side exchange type feeding and discharging device, continuous production of equipment can be ensured, so that the working efficiency is improved, meanwhile, compared with an upper and lower double-layer exchange type material table, the double-layer exchange type material table has the advantage of being wide in application range, for example, thicker sectional materials or special-shaped sectional materials can be machined, and the working efficiency and the working range of the equipment are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of laser cutting machines, in particular to a fully enclosed exchange type laser cutting machine. Background Art

[0002] For laser cutting machines, in order to improve work efficiency, exchangeable material tables are now designed for loading and unloading workpieces. The current exchangeable material tables are implemented in an upper and lower stacking exchange manner. However, the height difference between the two workstations is small, and it can only be used for flat / thin plate parts. The scope of application is too small. For example, thicker workpieces and non-plate-shaped workpieces (such as I-beam structured workpieces) cannot be exchanged for loading and unloading. Utility Model Content

[0003] The purpose of the utility model is to provide a fully enclosed exchangeable laser cutting machine. By designing exchangeable loading and unloading devices on the left and right sides, it is ensured that the equipment can be capable of continuous production, thereby improving work efficiency. At the same time, compared with the upper and lower double-layer exchangeable material tables, it has the characteristics of a wide range of applications, such as being able to process thicker profiles or special-shaped profiles, thereby improving the work efficiency and working range of the equipment.

[0004] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0005] The utility model is a fully enclosed exchange type laser cutting machine, comprising a closed chamber and two loading and unloading devices, wherein a three-axis cutting device is arranged in the closed chamber, and an opening is arranged at the lower front part of the closed chamber;

[0006] The two loading and unloading devices are arranged side by side and both penetrate the opening;

[0007] The loading and unloading device comprises a bracket, two ground rails and a chain transmission mechanism arranged in parallel between the two ground rails, and a hydraulic locking hook is arranged between the two ground rails and at a position at one end of the closed chamber;

[0008] The chain transmission mechanism comprises a front sprocket and a rear sprocket, a chain body is arranged between the front sprocket and the rear sprocket, a driving mechanism is connected to the outer side of the front sprocket, and the rear sprocket is located in a closed room;

[0009] A plurality of support seats are linearly arranged between the front sprocket and the rear sprocket, and side edges are fixed on both sides of the top of the support seat, and an upper support plate and a lower support plate are fixed between the two side edges, and the upper chain and the lower chain of the chain body slide along the upper surface of the upper support plate and the upper surface of the lower support plate respectively;

[0010] Two rollers are fixed on both sides of the bottom of the bracket, and the rollers roll along the ground rails. The front side of the bottom of the bracket is connected to the upper chain of the chain body through a support, and the rear side of the bottom of the bracket cooperates with the hydraulic lock hook;

[0011] The area where the loading and unloading device is located in the closed room is the working area, and the area where the loading and unloading device is located outside the closed room is the loading and unloading area. When the bracket of one loading and unloading device is located in the working area, the bracket of the other loading and unloading device is located in the loading and unloading area.

[0012] Furthermore, the hydraulic locking hook includes a mounting seat, a hydraulic cylinder and a hook rod, side plates are fixed on both sides of the top of the mounting seat, the two hydraulic cylinders are arranged between the two side plates, the rear side of the hydraulic cylinder is rotatably connected to the rear side between the two side plates, the output end of the hydraulic cylinder is rotatably connected to the middle part of the hook rod, the bottom end of the hook rod is rotatably connected to the front side between the two side plates, and the top end of the hook rod is connected to a hook head.

[0013] Furthermore, the three-axis cutting device includes a group of side trusses, cross beams, slides and vertical beams, the side trusses are parallel to the length direction of the closed chamber and the loading and unloading device, both ends of the cross beams are connected to the tops of the two side trusses through a Y-axis transmission mechanism, the slide is connected to the front side of the cross beam through an X-axis transmission mechanism, the vertical beam is connected to the front side of the slide through a Z-axis transmission mechanism, and a cutting gun is fixed to the bottom end of the vertical beam.

[0014] Furthermore, the X-axis transmission mechanism, the Y-axis transmission mechanism and the Z-axis transmission mechanism are all gear rack mechanisms or lead screw mechanisms.

[0015] Furthermore, a longitudinal drag chain groove is fixed on the outer side of the top of the side truss, a transverse drag chain groove is fixed on the top of the cross beam, and the vertical beam is a hollow beam body.

[0016] Furthermore, an L-shaped groove extending to the longitudinal drag chain groove is provided at one end of the transverse drag chain groove, a longitudinal groove extending to directly above the transverse drag chain groove is fixed at the top of the vertical beam, a side opening is provided on one side of the longitudinal groove, and the side opening is located directly above the transverse drag chain groove.

[0017] Furthermore, the bottoms of the front sprocket and the rear sprocket are both connected to sprocket seats, and the sprocket seats are installed on the ground.

[0018] Furthermore, the distance between the rear sprocket and the hydraulic locking hook is greater than the length of the bracket, and the difference is set in the range of 10-30 cm.

[0019] Furthermore, it also includes a protective shell, which is a rectangular shell, and the bottom and rear side of the protective shell are both open surfaces. The protective shell is installed on the outside of the front end of the ground rail, and the driving mechanisms of the two chain transmission mechanisms are both located in the protective shell.

[0020] The utility model has the following beneficial effects:

[0021] 1. The utility model ensures that the equipment can produce continuously by designing the left and right exchangeable loading and unloading devices, thereby improving the working efficiency. At the same time, compared with the upper and lower double-layer exchangeable material tables, it has the characteristics of a wide range of applications, such as being able to process thicker profiles or special-shaped profiles, thereby improving the working efficiency and working range of the equipment.

[0022] 2. The utility model uses a chain transmission mechanism for the displacement drive of the bracket, and the moving track of the bracket is straight, ensuring the stability of the movement. At the same time, the chain link spacing on the chain is accurate, which is conducive to accurately controlling the position of the bracket.

[0023] 3. The utility model can lock the rear side of the bracket through the design of the hydraulic lock hook, and cooperate with the tension of the front chain body. The cooperation of the two can stably control the position of the bracket and ensure the subsequent processing accuracy and efficiency.

[0024] 4. The utility model provides side edges on both sides of the chain body and upper and lower supports between the side edges, thereby being able to provide stable support for the upper and lower chains of the chain body, avoiding the problem of insufficient tension caused by excessive length of the chain body, and weakening the tension on the front and rear sprockets, thereby improving the stability and service life of the chain transmission mechanism.

[0025] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0027] Figure 1 This is a structural schematic diagram of a fully enclosed exchange type laser cutting machine of the utility model;

[0028] Figure 2 It is a structural schematic diagram of a three-axis cutting device;

[0029] Figure 3 It is a structural schematic diagram of the loading and unloading device;

[0030] Figure 4 for Figure 3 A partial enlarged view of the middle A;

[0031] Figure 5 for Figure 3 A partial enlarged view of point B in the middle;

[0032] Figure 6It is a schematic diagram of the structure of the hydraulic lock hook;

[0033] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0034] 1-enclosed chamber, 2-three-axis cutting device, 3-loading and unloading device, 4-bracket, 5-ground rail, 6-chain transmission mechanism, 7-hydraulic lock hook, 8-housing, 101-opening, 201-side truss, 202-crossbeam, 203-slide seat, 204-vertical beam, 205-Y-axis transmission mechanism, 206-X-axis transmission mechanism, 207-Z-axis transmission mechanism, 208-cutting gun, 209-longitudinal drag chain groove, 210 - horizontal drag chain groove, 211 - L-shaped groove, 212 - longitudinal groove, 401 - roller, 402 - support, 601 - front sprocket, 602 - rear sprocket, 603 - chain body, 604 - driving mechanism, 605 - support seat, 606 - side, 607 - upper support plate, 608 - lower support plate, 609 - sprocket seat, 701 - mounting seat, 702 - hydraulic cylinder, 703 - hook rod, 704 - side plate, 705 - hook head. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] See also Figure 1-6 As shown, the utility model is a fully enclosed exchange type laser cutting machine, comprising a closed chamber 1 and two loading and unloading devices 3, a three-axis cutting device 2 is arranged in the closed chamber 1, and an opening 101 is arranged at the lower front part of the closed chamber 1;

[0037] Two loading and unloading devices 3 are arranged side by side and both pass through the opening 101;

[0038] The loading and unloading device 3 includes a bracket 4, two ground rails 5 and a chain transmission mechanism 6 arranged in parallel between the two ground rails 5. A hydraulic lock hook 7 is arranged between the two ground rails 5 and at one end of the closed chamber 1.

[0039] The chain transmission mechanism 6 includes a front sprocket 601 and a rear sprocket 602, a chain body 603 is arranged between the front sprocket 601 and the rear sprocket 602, a driving mechanism 604 is connected to the outer side of the front sprocket 601, and the rear sprocket 602 is located in the closed chamber 1;

[0040] A plurality of support seats 605 are linearly arranged between the front sprocket 601 and the rear sprocket 602. Side edges 606 are fixed to both sides of the top of the support seats 605. An upper support plate 607 and a lower support plate 608 are fixed between the two side edges 606. The upper chain and the lower chain of the chain body 603 slide along the upper surface of the upper support plate 607 and the upper surface of the lower support plate 608 respectively.

[0041] Two rollers 401 are fixed on both sides of the bottom of the bracket 4. The rollers 401 roll along the ground rail 5. The front side of the bottom of the bracket 4 is connected to the upper chain of the chain body 603 through the support 402. The rear side of the bottom of the bracket 4 cooperates with the hydraulic lock hook 7.

[0042] The area where the loading and unloading device 3 is located in the closed chamber 1 is the working area, and the area where the loading and unloading device 3 is located outside the closed chamber 1 is the loading and unloading area. When the bracket 4 of one loading and unloading device 3 is located in the working area, the bracket 4 of the other loading and unloading device 3 is located in the loading and unloading area.

[0043] Among them Figure 3 and Figure 6 As shown, the hydraulic locking hook 7 includes a mounting seat 701, a hydraulic cylinder 702 and a hook rod 703. Side plates 704 are fixed on both sides of the top of the mounting seat 701. Two hydraulic cylinders 702 are arranged between the two side plates 704. The rear side of the hydraulic cylinder 702 is rotatably connected to the rear side between the two side plates 704. The output end of the hydraulic cylinder 702 is rotatably connected to the middle part of the hook rod 703. The bottom end of the hook rod 703 is rotatably connected to the front side between the two side plates 704. The top of the hook rod 703 is connected to a hook head 705.

[0044] Among them Figure 2 As shown, the three-axis cutting device 2 includes a group of side trusses 201, a cross beam 202, a slide 203 and a vertical beam 204. The side trusses 201 are parallel to the length direction of the closed chamber 1 and the loading and unloading device 3. Both ends of the cross beam 202 are connected to the top of the two side trusses 201 through a Y-axis transmission mechanism 205. The slide 203 is connected to the front side of the cross beam 202 through an X-axis transmission mechanism 206. The vertical beam 204 is connected to the front side of the slide 203 through a Z-axis transmission mechanism 207. A cutting gun 208 is fixed to the bottom end of the vertical beam 204.

[0045] The X-axis transmission mechanism 206 , the Y-axis transmission mechanism 205 , and the Z-axis transmission mechanism 207 are all gear rack mechanisms or lead screw mechanisms.

[0046] Among them Figure 2 As shown, a longitudinal drag chain groove 209 is fixed on the outer side of the top of the truss 201 on one side, a transverse drag chain groove 210 is fixed on the top of the cross beam 202, and the vertical beam 204 is a hollow beam body.

[0047] Among them Figure 2As shown, an L-shaped groove 211 extending to the longitudinal drag chain groove 209 is provided at one end of the transverse drag chain groove 210, and a longitudinal groove 212 extending to directly above the transverse drag chain groove 210 is fixed on the top of the vertical beam 204. A side opening is provided on one side of the longitudinal groove 212, and the side opening is located directly above the transverse drag chain groove 210.

[0048] Among them Figure 3 As shown, the bottom of the front sprocket 601 and the rear sprocket 602 are both connected to a sprocket seat 609, and the sprocket seat 609 is installed on the ground.

[0049] The distance between the rear sprocket 602 and the hydraulic locking hook 7 is greater than the length of the bracket 4, and the difference is set in the range of 10-30 cm.

[0050] Among them Figure 1 As shown, it also includes a protective shell 8, which is a rectangular shell. The bottom and rear side of the protective shell 8 are open surfaces. The protective shell 8 is installed on the outside of the front end of the ground rail 5, and the driving mechanisms 604 of the two chain transmission mechanisms 6 are both located in the protective shell 8.

[0051] The working principle of the utility model is: according to Figure 1 As shown, the workpiece to be processed is placed on the bracket 4. After the workpiece in the closed chamber 1 is processed, the two driving mechanisms 604 are started synchronously, the workpiece in the closed chamber 1 can be moved out and the external workpiece can be moved to the bottom of the three-axis cutting device 2. The finished product can be unloaded and the workpiece can be processed by the three-axis cutting device 2 in the closed chamber 1 at the same time.

[0052] The cooperation of the driving mechanism 604, the chain body 603, the front sprocket 601 and the rear sprocket 602 can drive the displacement of the upper bracket 4 to realize the movement of the workpiece. The forward and reverse rotation of the driving mechanism 604 can be controlled to control the movement of the bracket 4. At the same time, after the bracket 4 moves into the closed chamber 1, the hydraulic locking hook 7 locks the column bracket 4 to ensure the stability of the bracket 4. Figure 6 As shown, a convex plate is provided on the front side of the two side plates 704, and a rubber anti-collision head is installed on the convex plate. At the same time, a proximity switch can be arranged to determine the position of the bracket 4.

[0053] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0054] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A fully enclosed exchange type laser cutting machine, comprising a closed chamber (1), wherein a three-axis cutting device (2) is arranged in the closed chamber (1), and an opening (101) is arranged at the lower front side of the closed chamber (1), characterized in that: It also includes two loading and unloading devices (3); The two loading and unloading devices (3) are arranged side by side and both pass through the opening (101); The loading and unloading device (3) comprises a bracket (4), two ground rails (5) and a chain transmission mechanism (6) arranged in parallel between the two ground rails (5); a hydraulic locking hook (7) is arranged between the two ground rails (5) and at a position located at one end of the closed chamber (1); The chain transmission mechanism (6) comprises a front sprocket (601) and a rear sprocket (602), a chain body (603) is arranged between the front sprocket (601) and the rear sprocket (602), a driving mechanism (604) is connected to the outside of the front sprocket (601), and the rear sprocket (602) is located in the closed chamber (1); A plurality of support seats (605) are linearly arranged between the front sprocket (601) and the rear sprocket (602), side edges (606) are fixed on both sides of the top of the support seats (605), an upper support plate (607) and a lower support plate (608) are fixed between the two side edges (606), and the upper chain and the lower chain of the chain body (603) slide along the upper surface of the upper support plate (607) and the upper surface of the lower support plate (608) respectively; Two rollers (401) are fixed on both sides of the bottom of the bracket (4), and the rollers (401) roll along the ground rail (5). The front side of the bottom of the bracket (4) is connected to the upper chain of the chain body (603) through the support (402), and the rear side of the bottom of the bracket (4) cooperates with the hydraulic lock hook (7); The area where the loading and unloading device (3) is located in the closed chamber (1) is the working area, and the area where the loading and unloading device (3) is located outside the closed chamber (1) is the loading and unloading area. When the bracket (4) of one loading and unloading device (3) is located in the working area, the bracket (4) of the other loading and unloading device (3) is located in the loading and unloading area.

2. A fully enclosed exchange type laser cutting machine according to claim 1, characterized in that: The hydraulic locking hook (7) comprises a mounting seat (701), a hydraulic cylinder (702) and a hook rod (703); side plates (704) are fixed on both sides of the top of the mounting seat (701); the two hydraulic cylinders (702) are arranged between the two side plates (704); the rear side of the hydraulic cylinder (702) is rotatably connected to the rear side between the two side plates (704); the output end of the hydraulic cylinder (702) is rotatably connected to the middle part of the hook rod (703); the bottom end of the hook rod (703) is rotatably connected to the front side between the two side plates (704); and the top end of the hook rod (703) is connected to a hook head (705).

3. A fully enclosed exchange type laser cutting machine according to claim 1, characterized in that: The three-axis cutting device (2) comprises a group of side trusses (201), a crossbeam (202), a slide (203) and a vertical beam (204); the side trusses (201) are parallel to the length direction of the closed chamber (1) and the loading and unloading device (3); both ends of the crossbeam (202) are connected to the top of the two side trusses (201) through a Y-axis transmission mechanism (205); the slide (203) is connected to the front side of the crossbeam (202) through an X-axis transmission mechanism (206); the vertical beam (204) is connected to the front side of the slide (203) through a Z-axis transmission mechanism (207); and a cutting gun (208) is fixed to the bottom end of the vertical beam (204).

4. A fully enclosed exchangeable laser cutting machine according to claim 3, characterized in that: The X-axis transmission mechanism (206), the Y-axis transmission mechanism (205) and the Z-axis transmission mechanism (207) are all gear rack mechanisms or lead screw mechanisms.

5. The fully enclosed exchangeable laser cutting machine according to claim 3, characterized in that: A longitudinal drag chain groove (209) is fixed on the outer side of the top of the side truss (201), a transverse drag chain groove (210) is fixed on the top of the cross beam (202), and the vertical beam (204) is a hollow beam body.

6. A fully enclosed exchange type laser cutting machine according to claim 5, characterized in that: An L-shaped groove (211) extending to the longitudinal drag chain groove (209) is provided at one end of the transverse drag chain groove (210), a longitudinal groove (212) extending to directly above the transverse drag chain groove (210) is fixed at the top end of the vertical beam (204), and a side opening is provided on one side of the longitudinal groove (212), and the side opening is located directly above the transverse drag chain groove (210).

7. A fully enclosed exchange type laser cutting machine according to claim 1, characterized in that: The bottoms of the front sprocket (601) and the rear sprocket (602) are both connected with sprocket seats (609), and the sprocket seats (609) are installed on the ground.

8. The fully enclosed exchangeable laser cutting machine according to claim 1, characterized in that: The distance between the rear sprocket (602) and the hydraulic locking hook (7) is greater than the length of the bracket (4), and the difference is set in the range of 10-30 cm.

9. The fully enclosed exchangeable laser cutting machine according to claim 1, characterized in that: It also includes a protective shell (8), which is a rectangular shell, and the bottom and rear side of the protective shell (8) are both open surfaces. The protective shell (8) is installed on the outside of the front end of the ground rail (5), and the driving mechanisms (604) of the two chain transmission mechanisms (6) are both located in the protective shell (8).

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