Multi-angle adjustable fiber laser cutting head

Abstract

The utility model relates to the field of laser cutting heads, and discloses a multi-angle adjustable optical fiber laser cutting head which comprises a fixed seat, a hinge rod is hinged to the outer wall of the bottom end of the fixed seat, a connecting plate is fixedly connected to the surface of the right side of the hinge rod, and a threaded rod penetrates through the inner wall of the bottom end of the connecting plate and is in threaded connection with the inner wall of the bottom end of the connecting plate. A cutting head is rotationally connected to the tail end of the threaded rod, a guide rod is fixedly connected to the surface of the cutting head, a telescopic assembly is arranged at the end, away from the fixing base, of the hinge rod, and a mounting assembly is arranged at the top end of the outer wall of the fixing base. According to the multi-angle cutting device, the telescopic assembly is matched with the threaded rod and the guide rod, flexible adjustment of the cutting head in a large angle range and precise adjustment of a fine angle are achieved, the multi-angle cutting requirement of workpieces in complex shapes is met, the cutting precision and efficiency are effectively improved, and the rejection rate caused by the angle problem is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser cutting head field especially relates to a multi -angle regulation's optical fiber laser cutting head. BACKGROUND

[0002] Optical fiber laser cutting head is a kind of key components for laser cutting equipment, is widely used in metal processing industry. It produces high temperature on the metal surface by focusing laser beam, makes material melt and be blown away by gas (usually oxygen or nitrogen), to realize precision cutting.

[0003] Optical fiber laser cutting technology has been widely applied owing to its high precision, high speed and excellent cutting quality and many advantages, and the performance of optical fiber laser cutting head as the core component of the technology directly influences the quality and efficiency of cutting operation.

[0004] At present, the existing optical fiber laser cutting head has some deficiencies: the adjustment range of part cutting head is limited, only small angle adjustment can be realized, and the adjustment process is complicated, needs the help of professional tool and can change the angle of cutting head only by complicated operation steps, which not only consumes time, but also greatly reduces the work efficiency for some production tasks needing to quickly switch cutting angle, on the other hand, the installation structure design of many cutting head devices lacks flexibility, can only adapt to specific specifications of processing table, when facing the processing table of different bolt hole layout, often needs to customize the installation accessories or to transform the processing table, increases the production cost and installation difficulty, is not conducive to the rapid deployment and application of cutting head in different production scenes, therefore, a multi -angle regulation's optical fiber laser cutting head is provided to solve the above problems. SUMMARY

[0005] In order to make up for the above deficiencies, the utility model provides a kind of multi -angle regulation's optical fiber laser cutting head, to improve the problem that the adjustment process is complicated in prior art, needs the help of professional tool and can change the angle of cutting head only by complicated operation steps.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a kind of multi -angle regulation's optical fiber laser cutting head, including fixed seat, the outer wall of the bottom end of the fixed seat is hinged with hinge rod, the surface of the right side of the hinge rod is fixedly connected with connecting plate, the inner wall of the bottom end of the connecting plate is penetrated and is connected with threaded rod by screw thread, the distal end of the threaded rod is rotatably connected with cutting head, the surface of the cutting head is fixedly connected with guide rod, the end of the hinge rod away from fixed seat is provided with telescopic assembly;

[0007] The telescopic assembly comprises a fixed rod, the inner wall of the fixed rod is through and slidingly connected with a sliding rod, the inner wall of the sliding rod is elastically connected with a push block through a limiting spring, the surface of the front end of the push block is hingedly connected with two groups of connecting rods, the ends of the two groups of connecting rods away from the push block are hingedly connected with positioning blocks, and the top end of the outer wall of the fixed seat is provided with a mounting assembly.

[0008] As a further description of the above technical solution:

[0009] The mounting assembly comprises a fixed plate, guide grooves are formed in the side walls of the fixed plate, the inner walls of the guide grooves on the two sides of the fixed plate are slidingly connected with two groups of mounting feet, the inner walls of the mounting feet are elastically connected with push blocks through return springs, and the inner walls of the mounting feet are fixedly connected with positioning columns.

[0010] As a further description of the above technical solution:

[0011] The fixed rod is hingedly connected to the outer side wall of the fixed seat, and the guide rod is through and slidingly connected to the inner wall of the bottom end of the connecting plate.

[0012] As a further description of the above technical solution:

[0013] The end of the sliding rod is hingedly connected to the end of the hinge rod, one end of the limiting spring is fixedly connected to the surface of the push block, and the other end of the limiting spring is fixedly connected to the inner side wall of the sliding rod.

[0014] As a further description of the above technical solution:

[0015] The push block is slidingly connected to the inner wall of the sliding rod, and the positioning blocks are through and slidingly connected to the side walls at the ends of the sliding rod.

[0016] As a further description of the above technical solution:

[0017] The surface of the fixed rod is provided with a guide groove, the top end of the push block is slidingly connected to the inner wall of the guide groove of the fixed rod, the inner side wall of the fixed rod is provided with a plurality of through holes, and the outer wall of the positioning block is inserted into the inner wall of the through hole.

[0018] As a further description of the above technical solution:

[0019] The fixed plate is fixedly connected to the top end of the outer wall of the fixed seat, the push block is through and slidingly connected to the surface of the positioning column, and the push block is slidingly connected to the inner wall of the mounting foot.

[0020] As a further description of the above technical solution:

[0021] One end of the reset spring is fixedly connected to the top end of the pressing block outer wall, the other end of the reset spring is fixedly connected to the top end of the inner wall of the mounting foot, a plurality of groups of air slots are arranged in the bottom end of the inner wall of the guide groove on both sides of the fixed plate, and the bottom end of the pressing block outer wall is inserted into the inner wall of the air slot.

[0022] The utility model has the advantages of the following beneficial effects:

[0023] 1、The utility model discloses, telescopic subassembly and screw rod, guide rod's cooperation has realized the flexible adjustment of cutting head in greater angle range and the accurate adjustment of slight angle, whether it is the multi -angle cutting demand of complex shape workpiece, effectively improved the precision and efficiency of cutting, reduced the scrap rate because of angle problem, provided powerful guarantee for high -quality cutting operation.

[0024] 2、The utility model discloses, through setting up the mounting foot of slidable, can according to the bolt hole position layout of different processing platform and be flexibly adjusted and fixed, need not additional customization installation accessory or reformation processing platform, greatly reduced the installation difficulty and cost, has facilitated the quick deployment and application of cutting head in various production scenes. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a kind of whole three-dimensional structure schematic diagram of multi-angle adjusting optical fiber laser cutting head proposed in the utility model;

[0026] Figure 2 It is a kind of fixed rod and sliding rod partial sectional view structure schematic diagram of multi-angle adjusting optical fiber laser cutting head proposed in the utility model;

[0027] Figure 3 It is a kind of fixed plate three-dimensional structure schematic diagram of multi-angle adjusting optical fiber laser cutting head proposed in the utility model;

[0028] Figure 4 It is a kind of mounting foot partial sectional view structure schematic diagram of multi-angle adjusting optical fiber laser cutting head proposed in the utility model.

[0029] LEGEND:

[0030] 1, fixed seat;2, articulated rod;3, connecting plate;4, guide rod;5, screw rod;6, cutting head;7, telescopic subassembly;71, fixed rod;72, sliding rod;73, limit spring;74, push block;75, connecting rod;76, positioning block;8, mounting assembly;81, fixed plate;82, mounting foot;83, reset spring;84, pressing block;85, positioning column. DETAILED DESCRIPTION

[0031] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0032] With reference to the accompanying drawings, Figure 1 Figure 3 The present application provides an embodiment: a multi-angle adjustable optical fiber laser cutting head, comprising a fixed seat 1, the outer wall of the bottom end of the fixed seat 1 is hinged with a hinge rod 2, the right side surface of the hinge rod 2 is fixedly connected with a connecting plate 3, the inner wall of the bottom end of the connecting plate 3 penetrates and is threadedly connected with a threaded rod 5, the distal end of the threaded rod 5 is rotatably connected with a cutting head 6, the cutting head 6 is prior art, which is driven by an electric control unit, so that the object can be cut, the surface of the cutting head 6 is fixedly connected with a guide rod 4, the guide rod 4 penetrates and is slidingly connected with the inner wall of the bottom end of the connecting plate 3, the cutting head 6 can be pushed outward by rotating the threaded rod 5, and the cutting head 6 is guided by the guide rod 4 on the inner wall of the bottom end of the connecting plate 3, so that the cutting head 6 can be finely adjusted in angle, wherein the inner wall of the bottom end of the connecting plate 3 is provided with an internal thread groove matched with the threaded rod 5.

[0033] With reference to the accompanying drawings, Figure 1 and Figure 2 ​The end of the articulated rod 2 away from the fixed base 1 is provided with a telescopic assembly 7, the telescopic assembly 7 comprises a fixed rod 71, the fixed rod 71 is hinged to the outer side wall of the fixed base 1, the inner wall of the fixed rod 71 is penetrated and slidingly connected with a sliding rod 72, the end of the sliding rod 72 is hinged with the end of the articulated rod 2, by moving the sliding rod 72 in the inner wall of the fixed rod 71, it will push the articulated rod 2 to rotate around its center point, so as to drive the connecting plate 3 to adjust the angle, so that the cutting head 6 can perform multi-angle cutting operation, the inner wall of the sliding rod 72 is elastically connected with a push block 74 through a limiting spring 73, one end of the limiting spring 73 is fixedly connected to the surface of the push block 74, the other end of the limiting spring 73 is fixedly connected to the inner side wall of the sliding rod 72, the limiting spring 73 is used to automatically reset the position after the corresponding positioning block 76 is pulled close by the two groups of connecting rods 75 by pushing the push block 74, the surface of the front end of the push block 74 is hinged with two groups of connecting rods 75, the end of the two groups of connecting rods 75 away from the push block 74 is hinged with a positioning block 76, by moving the push block 74, so that the two groups of connecting rods 75 can synchronously pull the corresponding positioning block 76 to each other, so as to separate from the through hole of the current position of the fixed rod 71, so as to adjust the position of the sliding rod 72, the push block 74 is slidingly connected to the inner wall of the sliding rod 72, the positioning block 76 is penetratingly and slidingly connected to the both side walls of the end of the sliding rod 72, the surface of the fixed rod 71 is provided with a guide groove, the top end of the push block 74 is slidingly connected to the inner wall of the guide groove of the fixed rod 71, by providing the guide groove on the surface of the fixed rod 71, so as to avoid the pushing of the push block 74 being blocked, the inner side wall of the fixed rod 71 is provided with a plurality of through holes, the outer wall of the positioning block 76 is inserted with the inner wall of the through hole, the insertion between the two, so that the sliding rod 72 can be fixed at a plurality of positions of the inner wall of the fixed rod 71, so as to drive the connecting plate 3 to move around a plurality of positions of the center point of the articulated rod 2, the top end of the outer wall of the fixed base 1 is provided with a mounting assembly 8.

[0034] Referring to Figure 3 and Figure 4The mounting assembly 8 comprises a fixed plate 81 fixedly connected to the top end of the outer wall of the fixed seat 1, a pressing block 84 penetrating and slidingly connected to the surface of a positioning column 85, the positioning column 85 is arranged to guide the position of the pressing block 84 after being pressed downward, avoiding deviation, the pressing block 84 is slidingly connected to the inner wall of a mounting leg 82, the two side walls of the fixed plate 81 are provided with guide grooves, the inner walls of the guide grooves on the two sides of the fixed plate 81 are slidingly connected with two groups of mounting legs 82, the surface of the mounting leg 82 is provided with a hollow groove, which can be fixed to the cutting table and other positions by cooperating with the bolt, and the mounting leg 82 is movable, so that the bolt hole reserved on the different processing tables can be adjusted, the inner wall of the mounting leg 82 is elastically connected with the pressing block 84 through a reset spring 83, one end of the reset spring 83 is fixedly connected to the top end of the outer wall of the pressing block 84, the other end of the reset spring 83 is fixedly connected to the top end of the inner wall of the mounting leg 82, the reset spring 83 is arranged to automatically reset the position of the pressing block 84 after being pressed and moved, the bottom end of the inner wall of the guide groove on the two sides of the fixed plate 81 is provided with a plurality of hollow grooves, the bottom end of the outer wall of the pressing block 84 is inserted into the inner wall of the hollow groove, the pressing block 84 is inserted into the hollow groove, so that the mounting leg 82 can be fixed at a plurality of positions in the inner wall of the fixed plate 81, and the inner wall of the mounting leg 82 is fixedly connected with the positioning column 85.

[0035] Working principle: if you want to adjust the cutting head 6 to a larger angle range, manually operate the block 74 to slide in the inner wall of the sliding rod 72, the sliding of the block 74 will compress the limiting spring 73, and at the same time, through the force transmission of the two sets of connecting rods 75 hinged with it, the positioning block 76 is pulled to move towards each other, so that the positioning block 76 is disengaged from the insertion of the through hole of the current position of the fixed rod 71, at this time, the sliding rod 72 is released from the positioning limit, and can move in the fixed rod 71 along the axial direction of the fixed rod 71, the movement of the sliding rod 72 will push the hinged rod 2 hinged with it to rotate around its center point, and the rotation of the hinged rod 2 will in turn drive the connecting plate 3 and the cutting head 6 to change the angle synchronously, realize the flexible adjustment of the cutting head 6 at multiple angles, and meet the requirements of cutting operation at various angles, when the cutting head 6 is adjusted to the appropriate angle, release the block 74, the block 74 is restored to the initial position under the elastic restoring force of the limiting spring 73, in the reset process, the positioning block 76 is also returned to the original position through the connecting rod 75, the positioning block 76 is inserted into the through hole of the corresponding position of the fixed rod 71, the position of the sliding rod 72 is fixed, so as to ensure the angle stability of the hinged rod 2, the connecting plate 3 and the cutting head 6, so that the cutting head 6 can work at the set angle in the subsequent cutting operation, when the angle of the cutting head 6 needs to be adjusted slightly, rotate the threaded rod 5, because the threaded rod 5 and the inner threaded groove in the inner wall of the bottom end of the connecting plate 3 are screw connected, during rotation, according to the screw transmission principle, the threaded rod 5 will produce displacement along its axial direction, and then exert an outward or inward pushing force (depending on the rotation direction of the threaded rod 5) on the cutting head 6 connected with it, while the cutting head 6 moves, the guide rod 4 on its surface slides along the inner wall of the bottom end of the connecting plate 3, which guides the movement of the cutting head 6 and limits its movement in a specific direction, so as to realize the slight change of the angle of the cutting head 6, so that the cutting head 6 can be aligned with the object to be cut at a more accurate and appropriate angle, and the cutting quality and precision are guaranteed.

[0036] When the device is installed on a machining platform such as a cutting table, first, the position of the mounting foot 82 in the guide groove on both sides of the fixing plate 81 is adjusted according to the bolt hole position reserved by the machining table, and the specific operation is to manually press the pressing block 84, so that the pressing block 84 slides upward on the inner wall of the mounting foot 82, and the reset spring 83 is compressed, at the same time, the pressing block 84 will be separated from the current position of the fixing plate 81 The empty slot, at this time, the mounting foot 82 can be adjusted according to the reserved hole position of the equipment, when the mounting foot 82 is slid to the appropriate position, that is, the empty slot on the surface of the mounting foot 82 is aligned with the reserved bolt hole position of the cutting table, the pressing block 84 is reset downward under the elastic restoring force of the reset spring 83, the bottom end of the outer wall of the pressing block 84 is inserted into the corresponding empty slot in the bottom end of the inner wall of the guide groove of the fixing plate 81, and the position of the mounting foot 82 is fixed, then the bolts are inserted into the empty slots on the surface of the mounting foot 82, and the whole device is firmly installed on the cutting table and the like, realizing the function that the device can be flexibly adapted to the installation requirements of different machining tables, facilitating the development of cutting operation in different scenarios.

[0037] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A multi-angle adjustable fiber laser cutting head comprising a fixed seat (1), characterized in that: The outer wall of the bottom end of the fixed seat (1) is hingedly connected with a hinge rod (2), the surface of the right side of the hinge rod (2) is fixedly connected with a connecting plate (3), the inner wall of the bottom end of the connecting plate (3) penetrates and is threadedly connected with a threaded rod (5), the end of the threaded rod (5) is rotatably connected with a cutting head (6), the surface of the cutting head (6) is fixedly connected with a guide rod (4), and the end, away from the fixed seat (1), of the hinge rod (2) is provided with a telescopic assembly (7). The telescopic assembly (7) comprises a fixed rod (71), the inner wall of the fixed rod (71) penetrates and is slidingly connected with a sliding rod (72), the inner wall of the sliding rod (72) is elastically connected with a pressing block (74) through a limiting spring (73), the surface of the front end of the pressing block (74) is hingedly connected with two groups of connecting rods (75), the ends, away from the pressing block (74), of the two groups of connecting rods (75) are hingedly connected with positioning blocks (76), and the top end of the outer wall of the fixed seat (1) is provided with a mounting assembly (8).

2. A multi-angle adjustable fiber laser cutting head according to claim 1, characterized in that: The mounting assembly (8) comprises a fixed plate (81), the two side walls of the fixed plate (81) are provided with guide grooves, the inner walls of the two guide grooves of the fixed plate (81) are slidingly connected with two groups of mounting feet (82), the inner wall of the mounting foot (82) is elastically connected with a pressing block (84) through a reset spring (83), and the inner wall of the mounting foot (82) is fixedly connected with a positioning column (85).

3. The multi-angle adjustable fiber laser cutting head of claim 1, wherein: The fixed rod (71) is hingedly connected to the outer side wall of the fixed seat (1), and the guide rod (4) penetrates and is slidingly connected to the inner wall of the bottom end of the connecting plate (3).

4. The multi-angle adjustable fiber laser cutting head of claim 1, wherein: The end of the sliding rod (72) is hingedly connected to the end of the hinge rod (2), one end of the limiting spring (73) is fixedly connected to the surface of the pressing block (74), and the other end of the limiting spring (73) is fixedly connected to the inner side wall of the sliding rod (72).

5. The multi-angle adjustable fiber laser cutting head of claim 1, wherein: The pressing block (74) is slidingly connected to the inner wall of the sliding rod (72), and the positioning block (76) penetrates and is slidingly connected to the two side walls at the end of the sliding rod (72).

6. The multi-angle adjustable fiber laser cutting head of claim 1, wherein: The surface of the fixed rod (71) is provided with a guide groove, the top end of the pressing block (74) is slidingly connected to the inner wall of the guide groove of the fixed rod (71), the inner side wall of the fixed rod (71) is provided with a plurality of through holes, and the outer wall of the positioning block (76) is inserted into the inner wall of the through hole.

7. The multi-angle adjustable fiber laser cutting head of claim 2, wherein: The fixed plate (81) is fixedly connected to the top end of the outer wall of the fixed seat (1), the pressing block (84) penetrates and is slidingly connected to the surface of the positioning column (85), and the pressing block (84) is slidingly connected to the inner wall of the mounting foot (82).

8. The multi-angle adjustable fiber laser cutting head of claim 2, wherein: One end of the reset spring (83) is fixedly connected to the top end of the outer wall of the pressing block (84), the other end of the reset spring (83) is fixedly connected to the top end of the inner wall of the mounting foot (82), the bottom end of the inner wall of the guide groove of the fixed plate (81) is provided with a plurality of grooves, and the bottom end of the outer wall of the pressing block (84) is inserted into the inner wall of the groove.

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