Laser cutter loss assessment instrument

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Through the ranging sensing technology of the laser tool loss meter, the tool sharpening amount is automatically detected, which solves the problem of manual confirmation in the existing technology, and realizes efficient and accurate sharpening amount measurement, reducing the tool scrapping and the The risk of decreasing material annealing cutting capacity increases the cost-effectiveness of use.

CN222336296UActive Publication Date: 2025-01-10CHANGCHUN AUTOMOBILE IND INST

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Patent Information

Application Number: CN202421104247.3
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-05-21
Publication Date: 2025-01-10
Estimated Expiration: 2034-05-21

AI Technical Summary

Technical Problem

In the prior art, confirmation of tool sharpening amount depends on the operator's experience and simple measurement tools, resulting in insufficient measurement error and accuracy, resulting in advance scrapping of tools or material annealing and cutting capacity, which increases costs.

Method used

A laser tool loss meter is designed, and the tool sharpening amount is automatically detected through the position adjustment mechanism and the loss sensing module through the distance sensing technology, including the wear depth and width, and non-contact measurement is performed using laser and ultrasonic sensors. Improve detection accuracy.

Benefits of technology

By automatically detecting the tool sharpening amount, the accuracy is improved, which avoids early scrapping and material annealing and cutting capacity due to measurement errors, and reduces costs. At the same time, the device is small in size, light in weight, low in manufacturing cost, and easy to install.

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Abstract

The utility model relates to the technical field of cutter detection, in particular to a laser cutter loss assessment instrument, and aims to solve the technical problems that the measurement and calculation are inaccurate, the cutter is easy to damage and the use cost is influenced by a mode of manually confirming the cutter sharpening amount by an operator. According to the technical scheme, the laser cutter loss assessment instrument comprises a base, a position adjusting mechanism, a horizontal sliding table, a positioning table, a locking unit, a support and a loss assessment sensing module. The cutter sharpening amount of the cutter is measured through the loss assessment sensing module according to the distance measurement sensing principle, the mode of manual experience judgment and measurement through a measuring tool is replaced, measurement is more efficient, meanwhile, the measurement result is accurate, and the situation that the cutter sharpening amount is too large due to measurement errors and insufficient experience is avoided; the problems that the cutter is scrapped in advance or the annealing cutting capacity of the cutter material is reduced due to the fact that the cutter sharpening amount is manually confirmed by an operator, measurement and calculation are not accurate, the cutter is prone to being damaged, and the use cost is affected are solved.

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Description

Technical Field

[0001] The utility model relates to the technical field of tool detection, in particular to a laser tool damage determination instrument. Background Art

[0002] At present, the cost of cutting tools accounts for a large proportion of production costs, and the number of sharpening times and sharpening quality after tool wear are the key factors determining the full life cost of the tool.

[0003] At present, the confirmation of tool grinding amount on site is still based on the experience of front-line operators and simple measuring tools (such as calipers, dial indicators, etc.). Due to measurement errors and lack of experience, excessive grinding amount will cause the tool to be scrapped prematurely or the tool material annealing and cutting ability will decrease, especially for expensive processing tools, which will inevitably lead to increased costs.

[0004] Therefore, in order to solve the problem that the above-mentioned method of manually confirming the tool grinding amount by the operator is inaccurate, easily causes tool damage, and affects the cost of use, a device can be designed to automatically detect the tool grinding amount through distance measurement sensing technology to improve the detection accuracy. Utility Model Content

[0005] In order to overcome the problem of inaccurate measurement, which easily causes tool damage and affects the cost of use, by manually confirming the tool grinding amount through operators.

[0006] The technical solution of the utility model is: a laser tool damage assessor, comprising a base, a positioning mechanism, a horizontal slide, a positioning table, a locking unit, a bracket, and a damage assessment sensor module; a threaded transmission type positioning mechanism is installed on the upper end of the base, a horizontal slide is installed on the positioning mechanism, a positioning table is fixed to the upper end of the horizontal slide by screw bolts, a locking unit for clamping and fixing the tool is installed around the positioning table, a gantry type bracket is installed on one side of the upper end of the base, and a damage assessment sensor module for horizontal sliding displacement is installed on the bracket.

[0007] Preferably, after calibrating the tool position by manually adjusting the horizontal slide, the positioning table and the damage assessment sensor module, the damage assessment sensor module measures the depth and width of the tool grinding amount based on the principle of distance measurement sensing.

[0008] Preferably, the positioning mechanism includes a wedge groove and a slide rail; a wedge groove with a V-shaped cross-section is installed horizontally in the middle of the upper end of the base, a wedge block adapted to the V-shaped groove of the wedge groove is fixedly installed at the lower end of the horizontal slide, a slide rail is arranged on each side of the wedge groove, and a recess slidably connected to the corresponding slide rail is opened at the lower end of the horizontal slide. The horizontal slide utilizes the sliding cooperation between the wedge block and the wedge groove, and the sliding cooperation between the slide rail and the recess, which greatly improves the movement stability of the horizontal slide.

[0009] Preferably, the positioning mechanism also includes a screw and a handle; the screw is located in the middle of the V-groove of the wedge channel, and a threaded opening on the screw is provided in the middle of the wedge block. One end of the screw is movably connected to the side wall of the base, and the other end of the screw passes through the base and is equipped with a handle. The screw is rotated by hand to control the rotation of the screw, and the threaded transmission effect between the screw and the threaded opening on the wedge block is utilized to drive the horizontal slide to slide and adjust the position of the tool.

[0010] Preferably, the damage assessment sensing module includes a measuring slide and a flaw detection sensor; the bracket is composed of columns on both sides and a crossbeam between the upper ends of the columns; the measuring slide is fixed on the crossbeam by screws; the flaw detection sensor is installed on the measuring slide; the measuring slide is provided with a number of pin holes; the position of the measuring slide can be changed and fixed by plugging and pulling out the screws and adjusting and inserting them into different pin holes.

[0011] Preferably, the flaw measuring sensors include a wear depth laser sensor and a wear width laser sensor; the wear depth laser sensor is installed on the surface of the measuring slide and is parallel to the positioning table, and the wear width laser sensor is installed on the surface of the measuring slide and is perpendicular to the positioning table. The wear depth laser sensor scans the entire tool wear surface and calibrates the start and end positions of the wear, and the wear width laser sensor calculates the width of the tool wear. Both the wear depth laser sensor and the wear width laser sensor are non-contact laser ranging sensors, and have no special requirements for the measured materials. They can measure metal materials, non-metallic and soft materials, and can also measure materials that are easily contaminated and easily worn.

[0012] Preferably, the flaw detection sensors include a wear depth ultrasonic sensor and a wear width ultrasonic sensor; the wear depth ultrasonic sensor is installed on the surface of the measuring slide and is parallel to the positioning table, and the wear width ultrasonic sensor is installed on the surface of the measuring slide and is perpendicular to the positioning table. The wear depth ultrasonic sensor scans the entire tool wear surface and calibrates the start and end positions of the wear, and the wear width ultrasonic sensor calculates the width of the tool wear. Both the wear depth ultrasonic sensor and the wear width ultrasonic sensor are non-contact ultrasonic ranging sensors, and have no special requirements for the measured materials. They can measure metal materials, non-metallic and soft materials, and can also measure materials that are easily contaminated and easily worn.

[0013] Preferably, the locking unit consists of two groups of cylinders distributed at right angles and clips on the cylinder power output unit. One end of the tool is clamped between the two groups of clips. The cylinder drives the clip to move, one side of the tool handle is pressed against one of the clips, and the other clip moves to press the other side of the tool handle to lock it.

[0014] Beneficial effects of the utility model:

[0015] 1. Through the damage sensor module, the tool grinding amount is measured based on the principle of distance measurement, replacing the manual experience judgment and the measurement method of using measuring tools. The measurement is more efficient and the measurement results are accurate, avoiding the situation where the tool is scrapped prematurely or the tool material annealing and cutting ability decrease due to excessive grinding caused by measurement errors and lack of experience;

[0016] 2. Through the setting of wedge blocks and wedge grooves on the horizontal slide, the horizontal slide is more stable when manually adjusted and moved, and is not prone to deflection or shaking;

[0017] 3. This device for measuring tool wear using distance sensing has the advantages of small size, light weight, low manufacturing cost and easy installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The present invention is a schematic diagram of the three-dimensional structure of the first embodiment of the laser tool damage assessment instrument of the present invention;

[0019] Figure 2 The present invention is a schematic diagram of the three-dimensional structure of the second embodiment of the laser tool damage assessment instrument of the present invention;

[0020] Figure 3 The figure shows a schematic diagram of a top view of the structure of the first embodiment of the laser tool damage assessment instrument of the utility model;

[0021] Figure 4 The figure shows a front view of the structure of the first embodiment of the laser tool damage assessment instrument of the utility model;

[0022] Figure 5 What is shown is a side view structural schematic diagram of the first embodiment of the laser tool damage assessor of the present utility model.

[0023] Explanation of the reference numerals: 1. base; 3. horizontal slide; 4. positioning platform; 5. locking unit; 6. bracket; 201. wedge groove; 202. slide rail; 203. screw; 204. handle; 701. measuring slide; 702. wear depth laser sensor; 703. wear width laser sensor; 704. wear depth ultrasonic sensor; 705. wear width ultrasonic sensor. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0025] See also Figure 1-2The utility model provides an embodiment: a laser tool damage assessment instrument, including a base 1, a positioning mechanism, a horizontal slide 3, a positioning platform 4, a locking unit 5, a bracket 6, and a damage assessment sensor module; a threaded transmission type positioning mechanism is installed on the upper end of the base 1, a horizontal slide 3 is installed on the positioning mechanism, a positioning platform 4 is fixed to the upper end of the horizontal slide 3 by screw bolts, a locking unit 5 for clamping and fixing the tool is installed around the positioning platform 4, a gantry type bracket 6 is installed on one side of the upper end of the base 1, and a damage assessment sensor module for horizontal sliding displacement is installed on the bracket 6. After manually adjusting the horizontal slide 3, the positioning platform 4 and the damage assessment sensor module and calibrating the tool position, the damage assessment sensor module measures the depth and width of the tool grinding amount based on the principle of distance measurement sensing.

[0026] See also Figure 1-5 The wedge 201 is provided with a V-shaped groove in the middle of the upper end of the base 1, and a wedge block adapted to the V-shaped groove of the wedge 201 is fixedly installed at the lower end of the horizontal slide 3. A slide rail 202 is arranged on each side of the wedge 201, and a recess slidably connected to the corresponding slide rail 202 is opened at the lower end of the horizontal slide 3. The positioning mechanism also includes a screw rod 203 and a handle 204; the screw rod 203 is in the middle of the V-shaped groove of the wedge 201, and a screw thread connected to the screw rod 203 is arranged in the middle of the wedge block. One end of the screw rod 203 is movably connected to the side wall of the base 1, and the other end of the screw rod 203 passes through the base 1 and is installed with a handle 204. The locking unit 5 is composed of two groups of cylinders and clamps on the cylinder power output unit that are cross-distributed at right angles. One end of the tool is clamped between the two groups of clamps. The slide 3 utilizes the sliding cooperation between the wedge block and the wedge groove 201, and the sliding cooperation between the slide rail 202 and the recess to greatly improve the moving stability of the horizontal slide 3. The handle 204 is rotated by hand to control the rotation of the screw 203, and the thread transmission effect between the screw and the screw on the wedge block is utilized to drive the horizontal slide 3 to slide and adjust the position of the tool. The cylinder drives the clamp to move, and one side of the tool handle is pressed against one of the clamps, and the other clamp moves to press the other side of the tool handle to lock it. The damage assessment sensing module includes a measuring slide 701 and a flaw detection sensor; the bracket 6 is composed of columns on both sides and a crossbeam between the upper ends of the columns. The measuring slide 701 is fixedly mounted on the crossbeam by screws. The measuring slide 701 is equipped with a flaw detection sensor. The measuring slide 701 has a number of pin holes. The position of the measuring slide 701 can be changed and fixed by plugging and unplugging the screws and adjusting and inserting different pin holes.

[0027] See also Figure 1 , 3-5. In this embodiment, the flaw detection sensor includes a wear depth laser sensor 702 and a wear width laser sensor 703; the wear depth laser sensor 702 is installed on the surface of the measuring slide 701 and is parallel to the positioning table 4, and the wear width laser sensor 703 is installed on the surface of the measuring slide 701 and is perpendicular to the positioning table 4. The wear depth laser sensor 702 scans the entire tool wear surface and calibrates the start and end positions of the wear, and the wear width laser sensor 703 calculates the width of the tool wear.

[0028] See also Figure 2 In this embodiment, the flaw detection sensor includes a wear depth ultrasonic sensor 704 and a wear width ultrasonic sensor 705; the wear depth ultrasonic sensor 704 is installed on the surface of the measuring slide 701 and is parallel to the positioning platform 4, and the wear width ultrasonic sensor 705 is installed on the surface of the measuring slide 701 and is perpendicular to the positioning platform 4. The wear depth ultrasonic sensor 704 scans the entire tool wear surface and calibrates the start and end positions of the wear, and the wear width ultrasonic sensor 705 calculates the width of the tool wear.

[0029] Embodiment 1:

[0030] When working, the user places the cutting edge of the tool toward one side of the bracket 6 and places it on the positioning table 4, and starts the cylinder to drive the clamps to move. One side of the tool handle is pressed against one of the clamps, and the other clamp moves to press the other side of the tool handle to lock it;

[0031] Then, turn the handle 204 by hand to drive the horizontal slide 3 to slide through the threaded transmission effect between the screw 203 and the screw hole on the wedge block, adjust the tool blade to be below the wear depth laser sensor 702, and then adjust the measuring slide 701 so that the wear depth laser sensor 702 scans the entire tool wear surface and calibrates the start and end positions of the wear. At the same time, the wear width laser sensor 703 passes directly over the tool wear surface to calculate the width of the tool wear.

[0032] Embodiment 2:

[0033] When working, the user places the cutting edge of the tool toward one side of the bracket 6 and places it on the positioning table 4, and starts the cylinder to drive the clamps to move. One side of the tool handle is pressed against one of the clamps, and the other clamp moves to press the other side of the tool handle to lock it;

[0034] Then, turn the handle 204 by hand, and drive the horizontal slide 3 to slide through the threaded transmission effect between the screw 203 and the screw mouth on the wedge block, adjust the tool blade to be below the wear depth ultrasonic sensor 704, and then adjust the measuring slide 701 so that the wear depth ultrasonic sensor 704 scans the entire tool wear surface and calibrates the start and end positions of the wear. At the same time, the wear width ultrasonic sensor 705 passes directly over the tool wear surface to calculate the width of the tool wear.

[0035] Through the above steps, the wear sensor module is used to measure the tool grinding amount based on the principle of distance measurement sensing, replacing the manual experience judgment and the measurement method of using measuring tools. The measurement is more efficient and the measurement result is accurate, avoiding the situation where the tool is scrapped prematurely or the tool material annealing and cutting ability is reduced due to excessive grinding caused by measurement errors and lack of experience. This solves the problem that the operator manually confirms the tool grinding amount, the measurement is inaccurate, it is easy to cause tool damage and affect the cost of use.

Claims

1. A laser tool damage assessment instrument, comprising a base (1); characterized in that: It also includes a positioning mechanism, a horizontal slide (3), a positioning platform (4), a locking unit (5), a bracket (6), and a damage assessment sensor module; a threaded transmission type positioning mechanism is installed on the upper end of the base (1), a horizontal slide (3) is installed on the positioning mechanism, a positioning platform (4) is fixed to the upper end of the horizontal slide (3) by screw bolts, a locking unit (5) for clamping and fixing a tool is installed around the positioning platform (4), a gantry bracket (6) is installed on one side of the upper end of the base (1), and a damage assessment sensor module for horizontal sliding displacement is installed on the bracket (6).

2. A laser tool damage assessment instrument according to claim 1, characterized in that: The positioning mechanism comprises a wedge groove (201) and a slide rail (202); a wedge groove (201) having a V-shaped groove cross section is transversely installed in the middle of the upper end of the base (1); a wedge block adapted to the V-shaped groove of the wedge groove (201) is fixedly installed at the lower end of the horizontal slide (3); a slide rail (202) is arranged on each side of the wedge groove (201); and a notch slidably connected to the corresponding slide rail (202) is opened at the lower end of the horizontal slide (3).

3. A laser tool damage assessment instrument according to claim 2, characterized in that: The positioning mechanism also includes a screw rod (203) and a turning handle (204); the screw rod (203) is located in the middle of the V-shaped groove of the wedge channel (201); a screw hole threadedly connected to the screw rod (203) is arranged in the middle of the wedge block; one end of the screw rod (203) is movably connected to the side wall of the base (1); the other end of the screw rod (203) passes through the base (1) and is installed with the turning handle (204).

4. The laser tool damage assessment instrument according to claim 1, characterized in that: The damage assessment sensor module comprises a measuring slide (701) and a flaw detection sensor; the bracket (6) is composed of columns on both sides and a crossbeam between the upper ends of the columns; the measuring slide (701) is fixedly mounted on the crossbeam by screws; and the flaw detection sensor is mounted on the measuring slide (701).

5. A laser tool damage assessment instrument according to claim 4, characterized in that: The flaw detection sensor comprises a wear depth laser sensor (702) and a wear width laser sensor (703); the wear depth laser sensor (702) is installed on the surface of the measuring slide table (701) and is parallel to the positioning table (4), and the wear width laser sensor (703) is installed on the surface of the measuring slide table (701) and is perpendicular to the positioning table (4).

6. A laser tool damage assessment instrument according to claim 4, characterized in that: The flaw detection sensor comprises a wear depth ultrasonic sensor (704) and a wear width ultrasonic sensor (705); the wear depth laser sensor (702) is installed on the surface of the measuring slide (701) and is parallel to the positioning platform (4); the wear width laser sensor (703) is installed on the surface of the measuring slide (701) and is perpendicular to the positioning platform (4).

7. The laser tool damage assessment instrument according to claim 1, characterized in that: The locking unit (5) is composed of two groups of cylinders distributed crosswise at right angles and clamping pieces on the cylinder power output unit, and one end of the tool is clamped between the two groups of clamping pieces.