Machining offline alignment device based on infrared laser

Abstract

The utility model discloses a machining offline alignment device based on infrared laser. The machining offline alignment device comprises a base, an adjusting assembly, a positioning mechanism, a driving mechanism and a workpiece tool. An alignment platform is arranged on the base, and an adjusting assembly is fixedly installed on the alignment platform and used for adjusting and fixing the position of a workpiece tool on the alignment platform; the positioning mechanism comprises a first cross-shaped sliding table and a second cross-shaped sliding table which are installed on the two sides of the base respectively, a first lifting device connected with the first cross-shaped sliding table, and a second lifting device connected with the second cross-shaped sliding table. Laser devices are arranged on the first lifting device and the second lifting device; the driving mechanism is connected with the positioning mechanism and is used for driving a laser beam of the laser device to reach a to-be-aligned area of the alignment platform; the workpiece tool comprises a workpiece and a tool clamp connected with the workpiece. According to the utility model, off-line alignment can be realized, on-line alignment is reduced, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to an infrared laser-based offline machining alignment device, belonging to the technical field of engineering machinery machining. Background Art

[0002] At present, as the horsepower of construction machinery increases, the size of key components also increases, and the difficulty of alignment increases. Since most workpieces are welded parts, and the position of the holes to be processed in the workpieces is poor, it takes a long time to align. With the recovery of the construction machinery processing industry, the output and demand of construction machinery are gradually increasing. The existing alignment methods are inefficient and poorly accurate, and cannot meet production needs. Utility Model Content

[0003] The purpose of the utility model is to overcome the deficiencies in the prior art and provide an infrared laser-based offline alignment device for machining, which has a simple structure, uses a positioning device to determine the position of a hole to be machined in a workpiece, and then adjusts the position of the workpiece tooling by adjusting the tooling components to achieve offline alignment, reduce online alignment, and improve production efficiency.

[0004] In order to achieve the above purpose, the utility model is implemented by adopting the following technical solutions:

[0005] The utility model provides an infrared laser-based machining offline alignment device, comprising a base, an adjustment component, a positioning mechanism, a driving mechanism and a workpiece fixture;

[0006] The base is provided with an alignment platform, and the alignment platform is fixedly installed with an adjustment component for adjusting and fixing the position of the workpiece fixture on the alignment platform;

[0007] The positioning mechanism comprises a first cross slide and a second cross slide respectively mounted on both sides of the base, a first lifting device connected to the first cross slide, and a second lifting device connected to the second cross slide; the first lifting device and the second lifting device are both provided with a laser device;

[0008] The driving mechanism is connected to the positioning mechanism and is used to drive the laser beam of the laser device to reach the to-be-aligned area of ​​the alignment platform;

[0009] The workpiece fixture comprises a workpiece and a fixture for connecting the workpiece.

[0010] Optionally, a positioning hole is provided on the workpiece, and a positioning target is arranged at the positioning hole.

[0011] Optionally, the first cross slide includes a first X-axis slide and a first Y-axis slide, and the first Y-axis slide can slide along the length direction of the first X-axis slide; the first Y-axis slide is provided with a first positioning block, and the first positioning block can slide along the length direction of the first Y-axis slide.

[0012] Optionally, the second cross slide includes a second X-axis slide and a second Y-axis slide, and the second Y-axis slide can slide along the length direction of the second X-axis slide; the second Y-axis slide is provided with a second positioning block, and the second positioning block can slide along the length direction of the second Y-axis slide.

[0013] Optionally, the first lifting device is fixedly connected to the first positioning block, and a laser device is provided at the lifting end.

[0014] Optionally, the second lifting device is fixedly connected to the second positioning block, and a laser device is provided at the lifting end.

[0015] Optionally, the laser device uses a cross infrared laser pen as a light source.

[0016] Optionally, the adjustment assembly includes locating pins, and the number of the locating pins is greater than 2.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] The infrared laser-based machining offline alignment device provided by the utility model has a simple structure, determines the position of the hole to be processed in the workpiece by means of a positioning device, and then adjusts the workpiece fixture position by adjusting the fixture component, thereby achieving offline alignment, reducing online alignment, and improving production efficiency;

[0019] The utility model provides an infrared laser-based machining offline alignment device. While the machine tool is processing, an operator can use the alignment device of the utility model to perform offline alignment, thereby improving the alignment accuracy and accelerating the production rhythm. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in 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 labor, among which:

[0021] Figure 1 The figure shows a schematic diagram of the structure of an infrared laser-based offline alignment device for machining of the utility model;

[0022] Figure 2 The figure shows a first side view of the alignment device of the utility model without adding a workpiece tool;

[0023] Figure 3 The figure shows a second side view of the alignment device of the utility model without adding the workpiece fixture;

[0024] Figure 4 The figure shows a top view of the alignment device of the utility model without adding a workpiece tool;

[0025] Figure 5 The figure shows a schematic diagram of the positioning target structure of an infrared laser-based machining offline alignment device of the utility model;

[0026] Figure 6 The figure shows a schematic diagram of the first cross slide of the alignment device of the utility model;

[0027] In the figure: 1. base; 1-1. alignment platform; 2. positioning pin; 3. workpiece; 3-1. positioning target; 4. fixture; 5. first cross slide; 5-1. first X-axis slide; 5-2. first Y-axis slide; 5-3. first sliding seat; 5-4. first positioning block; 6. first lifting device; 7. second lifting device; 8. laser device; 9. controller. DETAILED DESCRIPTION

[0028] The utility model is further described below in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and cannot be used to limit the protection scope of the utility model.

[0029] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0030] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0031] Before further describing the embodiments of the present invention in detail, the nouns and terms involved in the embodiments of the present invention are described. The nouns and terms involved in the embodiments of the present invention are subject to the following interpretations.

[0032] The application principle of the utility model is described in detail below in conjunction with the accompanying drawings.

[0033] like Figure 1-Figure 4 As shown, the infrared laser-based offline alignment device for machining provided by the embodiment of the utility model comprises a base 1, an adjustment component, a positioning mechanism, a driving mechanism and a workpiece fixture;

[0034] The base 1 is provided with an alignment platform 1-1, and the alignment platform 1-1 is fixedly installed with an adjustment component for adjusting and fixing the position of the workpiece fixture on the alignment platform 1-1;

[0035] The positioning mechanism comprises a first cross slide 5 and a second cross slide (not numbered) respectively mounted on both sides of the base, a first lifting device 6 connected to the first cross slide 5, and a second lifting device 7 connected to the second cross slide; the first lifting device 6 and the second lifting device 7 are both provided with a laser device 8;

[0036] The driving mechanism is connected to the positioning mechanism and is used to drive the laser beam of the laser device to reach the to-be-aligned area of ​​the alignment platform 1-1;

[0037] The workpiece fixture comprises a workpiece 3 and a fixture 4 connected to the workpiece.

[0038] The infrared laser-based offline alignment device for machining in the embodiment of the utility model has a simple structure, and uses a positioning mechanism to determine the position of the hole to be processed in the workpiece, and then adjusts the position of the workpiece tooling by adjusting the component to achieve offline alignment, reduce online alignment, and improve production efficiency.

[0039] In a specific implementation of the present utility model, as Figure 1-4As shown, the first cross slide 5 and the second cross slide are symmetrically arranged on both sides of the base 1, and the first lifting device 6 and the second lifting device 7 are respectively installed on the first cross slide 5 and the second cross slide; a controller 9 is arranged on the base 1, and the controller 9 can control the movement of the sliders (the first positioning block 5-4 and the second positioning block) in the first cross slide 5 and the second cross slide, and can also control the positions reached by the lifting ends of the first lifting device 7 and the second lifting device, that is, the positions reached by the laser device 8. An alignment platform 1-1 is installed above the base 1, and an adjustment component is arranged on the alignment platform 1-1; in this embodiment, the adjustment component is a plurality of positioning pins 2, and the positioning pins 2 are inserted into the holes opened on the upper surface of the alignment platform 1-1, and a plurality of holes are opened on the upper surface of the alignment platform 1-1, and the positioning pins 2 can adjust the insertion position, thereby realizing the adjustment and fixation of the workpiece tooling.

[0040] In a specific implementation of the present utility model, as Figure 2-5 As shown, the first cross slide 5 includes a first X-axis slide 5-1 and a first Y-axis slide 5-2. The first Y-axis slide 5-2 can slide along the length direction of the first X-axis slide; the first Y-axis slide 5-2 is provided with a first positioning block 5-4, and the first positioning block 5-4 can slide along the length direction of the first Y-axis slide 5-2.

[0041] Specifically, Figure 6 As shown, the first X-axis slide 5-1 and the first Y-axis slide 5-2 are both provided with slide rails and synchronous belts. In the first X-axis slide 5-1, the synchronous belt is connected to the first sliding seat 5-3, and the first sliding seat 5-3 is connected to the first Y-axis slide 5-2; a 400W-750W motor is also installed on the first X-axis slide 5-1 and the first Y-axis slide 5-2, and the controller 9 drives the synchronous belt to rotate by controlling the motor, drives the first sliding seat 5-3 to slide on the slide rail, and drives the first Y-axis slide 5-2 to slide on the first X-axis slide 5-1; in the first Y-axis slide 5-2, the synchronous belt is connected to the first positioning block 5-4, and the controller 9 drives the synchronous belt to rotate by controlling the motor, and drives the first positioning block 5-4 to slide along the length direction of the first Y-axis slide 5-2; the first X-axis slide 5-1 and the first Y-axis slide 5-2 are also provided with tank chains for limiting the first sliding seat 5-3 and the first positioning block 5-4.

[0042] In a specific implementation of an embodiment of the utility model, the second cross slide includes a second X-axis slide and a second Y-axis slide, and the second Y-axis slide can slide along the length direction of the second X-axis slide; a second positioning block is provided on the second Y-axis slide, and the second positioning block can slide along the length direction of the second Y-axis slide.

[0043] Specifically, the second X-axis slide and the second Y-axis slide are both provided with slide rails and synchronous belts. In the second X-axis slide, the synchronous belt is connected to the second sliding seat, and the second sliding seat is connected to the second Y-axis slide; a 400W-750W motor is also installed on the second X-axis slide and the second Y-axis slide, and the controller 9 drives the synchronous belt to rotate by controlling the motor, drives the second sliding seat to slide on the slide rail, and drives the second Y-axis slide to slide on the second X-axis slide; in the second Y-axis slide, the synchronous belt is connected to the second positioning block, and the controller 9 drives the synchronous belt to rotate by controlling the motor, and drives the second positioning block to slide along the length direction of the second Y-axis slide; the second X-axis slide and the second Y-axis slide are also provided with tank chains for limiting the second sliding seat and the second positioning block.

[0044] In a specific implementation of the embodiment of the utility model, the first lifting device 6 is fixedly connected to the first positioning block 5-4, and a laser device 8 is provided at the lifting end. The second lifting device 7 is fixedly connected to the second positioning block, and a laser device 8 is provided at the lifting end. The laser device 8 uses a cross infrared laser pen as a light source. Specifically, a 400W-750W motor is installed on both the first lifting device 6 and the second lifting device 7, and the controller 9 drives the screw rods on the first lifting device 6 and the second lifting device 7 through the motor to realize the position of the cross infrared laser pen at the lifting end.

[0045] In a specific implementation of the embodiment of the utility model, the first cross slide 5, the second cross slide, the first lifting device 6, and the second lifting device 7 adopt a servo system, with a positioning accuracy of ≤0.05mm / meter and a repeated positioning accuracy of ≤0.03mm.

[0046] In a specific implementation of the embodiment of the utility model, a positioning hole is provided on the workpiece 3, and a positioning target 3-1 adapted to the positioning hole is provided at the positioning hole; specifically, Figure 5 As shown, a cross point is provided in the middle of the front side of the positioning target 3-1; a handle is provided on the back side of the positioning target 3-1 to facilitate the picking up and installation of the positioning target 3-1; when the positioning mechanism determines the position of the hole to be processed in the workpiece (that is, the laser positions of the laser devices on both sides have been determined), the position of the workpiece fixture on the alignment platform 1-1 is adjusted based on the positioning pin 2, so that the laser beam is aligned with the cross point of the positioning target 3-1 to achieve offline alignment.

[0047] In a specific implementation of the embodiment of the utility model, a method for using an infrared laser-based offline alignment device for machining includes:

[0048] The workpiece 3 to be processed is mounted on the fixture 4, and the positioning target 3-1 is assembled in the positioning hole of the workpiece 3;

[0049] Place the workpiece together with the fixture (workpiece fixture) on the offline alignment platform 1-1, and adjust the fixture position by adjusting the components.

[0050] Based on the controller 9, the laser device 8 is controlled to move to the preset position (the spindle position when the machine tool executes the processing program), the laser transmitter (cross infrared laser pen) is turned on, and the position of the workpiece 3 on the fixture 4 is adjusted so that the laser center coincides with the positioning target center (cross intersection point), thereby achieving the purpose of alignment.

[0051] The embodiments of the present invention are described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the enlightenment of the present invention, ordinary technicians in this field can also make many forms without departing from the scope of protection of the purpose of the present invention and the claims, which all fall within the protection of the present invention.

[0052] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An infrared laser-based offline alignment device for machining, characterized in that: It includes a base, an adjustment component, a positioning mechanism, a driving mechanism and a workpiece fixture; The base is provided with an alignment platform, and the alignment platform is fixedly installed with an adjustment component for adjusting and fixing the position of the workpiece fixture on the alignment platform; The positioning mechanism comprises a first cross slide and a second cross slide respectively mounted on both sides of the base, a first lifting device connected to the first cross slide, and a second lifting device connected to the second cross slide; the first lifting device and the second lifting device are both provided with a laser device; The driving mechanism is connected to the positioning mechanism and is used to drive the laser beam of the laser device to reach the to-be-aligned area of ​​the alignment platform; The workpiece fixture comprises a workpiece and a fixture for connecting the workpiece.

2. The infrared laser-based offline alignment device for machining according to claim 1, characterized in that: The workpiece is provided with a positioning hole, and a positioning target is arranged at the positioning hole.

3. The infrared laser-based offline alignment device for machining according to claim 1, characterized in that: The first cross slide includes a first X-axis slide and a first Y-axis slide. The first Y-axis slide can slide along the length direction of the first X-axis slide. The first Y-axis slide is provided with a first positioning block, which can slide along the length direction of the first Y-axis slide.

4. The infrared laser-based offline alignment device for machining according to claim 1, characterized in that: The second cross slide includes a second X-axis slide and a second Y-axis slide, and the second Y-axis slide can slide along the length direction of the second X-axis slide; the second Y-axis slide is provided with a second positioning block, and the second positioning block can slide along the length direction of the second Y-axis slide.

5. The infrared laser-based offline alignment device for machining according to claim 3, characterized in that: The first lifting device is fixedly connected to the first positioning block, and a laser device is arranged at the lifting end.

6. The infrared laser-based offline alignment device for machining according to claim 4, characterized in that: The second lifting device is fixedly connected to the second positioning block, and a laser device is arranged at the lifting end.

7. The infrared laser-based offline alignment device for machining according to claim 1, characterized in that: The laser device adopts a cross infrared laser pen as a light source.

8. The infrared laser-based offline alignment device for machining according to claim 1, characterized in that: The adjustment assembly includes positioning pins, and the number of the positioning pins is greater than 2.

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