阅读说明：本技术 一种电感栅尺 (Inductance grid chi ) 是由 史东雷 于 2020-08-17 设计创作，主要内容包括：本发明公开了一种电感栅尺,包括主尺、滑座和线路板,所述主尺表面设置有固定金属感应格栅,所述主尺上端滑动连接有所述滑座,所述滑座内嵌套有所述线路板,所述线路板上锡焊有信号处理放大芯片,所述信号处理放大芯片一侧电连接有滑动感应线圈,所述滑动感应线圈镶嵌在所述线路板上。有益效果在于：通过设置滑座、固定金属感应栅格、线路板、信号处理放大芯片和滑动感应线圈,滑动感应线圈可以在固定金属感应格栅上滑动,通过滑动感应线圈感应固定金属感应格栅的远近,可以产生内部振荡,信号处理放大芯片可以通过读取内部振荡,输出位移信号,灵敏性好,检测精度高,从而提高加工精度。(The invention discloses an inductance grid ruler which comprises a main ruler, a sliding seat and a circuit board, wherein a fixed metal induction grid is arranged on the surface of the main ruler, the sliding seat is connected to the upper end of the main ruler in a sliding mode, the circuit board is embedded in the sliding seat, a signal processing amplification chip is welded on the circuit board in a tin welding mode, a sliding induction coil is electrically connected to one side of the signal processing amplification chip, and the sliding induction coil is embedded on the circuit board. Has the advantages that: through setting up slide, fixed metal induction grid, circuit board, signal processing amplification chip and slip induction coil, slip induction coil can slide on fixed metal induction grid, and the distance through the fixed metal induction grid of slip induction coil response can produce inside oscillation, and signal processing amplification chip can be through reading inside oscillation, and output displacement signal, and the sensitivity is good, and the detection precision is high to improve the machining precision.)

1. An inductance grid chi which characterized in that: including main scale (2), slide (1) and circuit board (4), main scale (2) surface is provided with fixed metal induction grid (5), main scale (2) upper end sliding connection has slide (1), nested in slide (1) has circuit board (4), circuit board (4) go up the tin welding and have signal processing amplifier chip (6), signal processing amplifier chip (6) one side electricity is connected with slip induction coil (7), it inlays to slide induction coil (7) on circuit board (4), slip induction coil (7) are in directly over fixed metal induction grid (5).

2. An inductance grid ruler according to claim 1, characterized in that: the fixed metal induction grating (5) is directly processed or embedded on the surface of the main scale (2).

3. An inductance grid ruler according to claim 1, characterized in that: the sliding seat (1) is made of a plastic shell.

4. An inductance grid ruler according to claim 1, characterized in that: and two ends of the sliding seat (1) are connected with sliding seat covers (3) through clamping grooves.

5. An inductance grid ruler according to claim 1, characterized in that: and two ends of the main ruler (2) are connected with mounting fixing blocks (8) through bolts.

6. An inductance grid ruler according to claim 1, characterized in that: the main ruler (2) is made of non-metal materials.

Technical Field

The invention relates to the technical field of grid rulers, in particular to an inductance grid ruler.

Background

The grid ruler is a measuring tool which has a detection function on the coordinates of the tool and the workpiece, can reduce the processing errors of a mechanical processing machine tool and a numerical control machine tool, and has two types of grid rulers at present, namely the grid ruler and an inductance grid ruler.

However, the existing inductance grid ruler has low detection precision and is easy to have detection errors, so that the processing precision is influenced.

Disclosure of Invention

The present invention is directed to solving the above problems and providing an inductance grid ruler.

The invention realizes the purpose through the following technical scheme:

the utility model provides an inductance grid chi, includes main scale, slide and circuit board, the main scale surface is provided with fixed metal induction grid, main scale upper end sliding connection has the slide, the nested circuit board that has in the slide, the soldering has signal processing to amplify the chip on the circuit board, signal processing amplifies chip one side electricity and is connected with the slip induction coil, the slip induction coil inlays on the circuit board, the slip induction coil is in directly over the fixed metal induction grid.

Furthermore, the fixed metal induction grating is directly processed or embedded on the surface of the main scale.

By adopting the technical scheme, the sliding seat can slide on the main scale, so that the circuit board and the sliding induction coil are driven to slide, internal oscillation can be generated by the sliding induction coil sensing the distance of the fixed metal induction grid, and the signal processing amplification chip can output a displacement signal by reading the internal oscillation, so that the detection function is realized.

Furthermore, the slide adopts the plastics shell material.

By adopting the technical scheme, the interference between the sliding induction coil and the fixed metal induction grating can be avoided, and the detection precision is improved.

Furthermore, the two ends of the sliding seat are connected with sliding seat covers through clamping grooves.

Through adopting above-mentioned technical scheme, can be right in the slide the circuit board carries out seal protection, improves the protection level of slide avoids receiving infringement such as dust, oil and water, and the safety protection performance is high.

Furthermore, the two ends of the main ruler are connected with mounting fixing blocks through bolts.

Through adopting above-mentioned technical scheme, can carry out fixed mounting to the device.

Furthermore, the main ruler is made of non-metal materials.

By adopting the technical scheme, the interference between the sliding induction coil and the fixed metal induction grating can be avoided, and the detection precision is improved.

The specific working principle is as follows: fixed metal induction grid adopts direct processing or inlays the main scale surface, the slide adopts to embed for plastic casing the circuit board, the slide both ends are provided with the sliding seat lid, can be right in the slide the circuit board carries out sealing protection, improves the protection level of slide avoids receiving infringement such as dust, oil and water, and the safety protection performance is high, be equipped with on the circuit board slide induction coil, the slide can slide on the main scale, and then drive the circuit board with slide induction coil slides, through slide induction coil response fixed metal induction grid's far and near can produce internal oscillation, signal processing enlargies the chip and can be through reading internal oscillation, output displacement signal to realize detecting function.

The invention has the beneficial effects that:

1. by arranging the sliding seat, the fixed metal induction grid, the circuit board, the signal processing amplification chip and the sliding induction coil, the sliding induction coil can slide on the fixed metal induction grid, the sliding induction coil can induce the distance of the fixed metal induction grid to generate internal oscillation, the signal processing amplification chip can output a displacement signal by reading the internal oscillation, the sensitivity is good, the detection precision is high, and the processing precision is improved;

2. through setting up the slide lid, can seal the protection to the circuit board in the slide, improve the protection level of slide, avoid receiving infringement such as dust, oil and water, the safety protection performance is high.

Drawings

Fig. 1 is a schematic structural diagram of an inductance grid ruler according to the present invention;

FIG. 2 is a schematic diagram of an internal structure of an inductance grid ruler according to the present invention;

FIG. 3 is a front cross-sectional view of an inductance grid rule according to the present invention;

FIG. 4 is a top view of an inductance grid rule according to the present invention;

fig. 5 is a connection relationship diagram of a circuit board, a sliding induction coil and a fixed metal induction grid in the inductance grid ruler of the invention:

1. a slide base; 2. a main scale; 3. a slide mount cover; 4. a circuit board; 5. fixing a metal induction grid; 6. a signal processing amplification chip; 7. a sliding induction coil; 8. and installing a fixed block.

Detailed Description

The invention will be further described with reference to the accompanying drawings in which:

as shown in fig. 1-5, an inductance grid ruler comprises a main ruler 2, a slide seat 1 and a circuit board 4, wherein a fixed metal induction grid 5 is arranged on the surface of the main ruler 2, the slide seat 1 is connected to the upper end of the main ruler 2 in a sliding manner, the circuit board 4 is embedded in the slide seat 1, a signal processing amplification chip 6 is soldered on the circuit board 4, a sliding induction coil 7 is electrically connected to one side of the signal processing amplification chip 6, the sliding induction coil 7 is embedded on the circuit board 4, the sliding induction coil 7 is positioned right above the fixed metal induction grid 5, the fixed metal induction grid 5 is directly processed or embedded on the surface of the main ruler 2, the slide seat 1 can slide on the main ruler 2 to drive the circuit board 4 and the sliding induction coil 7 to slide, and the distance of the fixed metal induction grid 5 is sensed by the sliding induction coil 7, internal oscillation can be generated, and the signal processing and amplifying chip 6 can output a displacement signal by reading the internal oscillation, so that a detection function is realized.

In this embodiment, the slide 1 is made of a plastic shell, so that the interference between the sliding induction coil 7 and the fixed metal induction grid 5 can be avoided, and the detection precision is improved.

In this embodiment, slide 1 both ends are connected with slide lid 3 through the draw-in groove, can be right in slide 1 circuit board 4 carries out sealing protection, improves slide 1's protection level avoids receiving infringement such as dust, oil and water, and the safety protection performance is high.

In this embodiment, the two ends of the main scale 2 are connected with the mounting fixing blocks 8 through bolts, so that the device can be fixedly mounted.

In this embodiment, the main scale 2 is made of a non-metallic material, so that interference between the sliding induction coil 7 and the fixed metal induction grid 5 can be avoided, and the detection precision can be improved.

The specific working principle is as follows: the fixed metal induction grid is directly processed or embedded on the surface of the main ruler 2, the slide seat 1 is a plastic shell with the built-in circuit board 4, slide seat covers 3 are arranged at two ends of the slide seat 1, the circuit board 4 in the sliding seat 1 can be protected in a sealing way, the protection level of the sliding seat 1 is improved, the sliding seat is prevented from being damaged by dust, oil, water and the like, the safety protection performance is high, the circuit board 4 is provided with the sliding induction coil 7, the sliding seat 1 can slide on the main scale 2, thereby driving the circuit board 4 and the sliding induction coil 7 to slide, inducing the distance of the fixed metal induction grid 5 through the sliding induction coil 7, internal oscillation can be generated, and the signal processing and amplifying chip 6 can output a displacement signal by reading the internal oscillation, so that a detection function is realized.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.