High-precision contact type workpiece measuring device

Abstract

The utility model relates to the field of precision manufacturing, and aims to provide a high-precision contact type workpiece measuring device which comprises a workbench. A clamping mechanism; the motor fixing frame is located below the workbench, a driving motor is installed in the middle of the motor fixing frame, and an output shaft of the driving motor is fixedly connected with the bottom of the workbench; the electric sliding rail is used for driving the motor fixing frame to slide back and forth; wherein the front side of the electric sliding rail is provided with a workpiece measuring assembly, the workpiece measuring assembly comprises a fixing frame, a mounting box and a plurality of high-precision contact type probes, and the measuring ends of the high-precision contact type probes correspond to the measuring positions of workpieces; a laser marking instrument is arranged on the left side or the right side of the electric sliding rail. A feeding mechanism matched with the clamping mechanism is further arranged on the rear side of the electric sliding rail. The device can measure and stamp a workpiece, and has the advantages of reducing manual operation and improving production efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of precision manufacturing, specifically to high accuracy contact type workpiece measuring device. BACKGROUND

[0002] In the field of precision manufacturing, with the continuous improvement of the machining precision requirement of workpieces, the size, machining position degree and manufacturing deviation and other measurement parameters of workpieces become crucial. At present, the commonly used measurement method mainly relies on special measuring instruments for manual or semi-automatic operation, which not only requires higher experience of the operator, but also is prone to cause errors in the measurement results due to human factors. In addition, after the measurement is completed, the workpiece usually needs to be transferred to other production lines, and the special equipment is used to record or process the measurement data, which not only consumes manpower and time, but also significantly reduces the production efficiency and increases the cost. Although there are some automatic measurement devices on the market that can complete the parameter measurement work of the workpiece, they have single function and are difficult to complete other production processes after the workpiece measurement. SUMMARY

[0003] The utility model aims at providing a kind of high accuracy contact type workpiece measuring device, can be measured and engraved to workpiece, with the advantages of reducing manual operation and improving production efficiency.

[0004] The utility model aims at providing a kind of high accuracy contact type workpiece measuring device, can be measured and engraved to workpiece, with the advantages of reducing manual operation and improving production efficiency.

[0005] A kind of high accuracy contact type workpiece measuring device, comprising: workbench;

[0006] Clamping mechanism, is fixed in the upper portion of workbench, for clamping workpiece;

[0007] Motor fixing frame, located below workbench, the middle part is equipped with drive motor, the output shaft of drive motor is fixedly connected with the bottom of workbench;

[0008] Electric slide rail, is located in the left and right ends of motor fixing frame, for drive motor fixing frame front and back sliding;

[0009] Wherein, the front side of electric slide rail is equipped with workpiece measurement component, the workpiece measurement component includes fixed frame, installation box fixedly installed in the upper portion of fixed frame and several high-precision contact type probe pens equipped in installation box, the measurement end of high-precision contact type probe pen extends out the back side of installation box, the measurement end of high-precision contact type probe pen corresponds with the measurement position of workpiece;The left side or right side of electric slide rail is equipped with laser engraver;The rear side of electric slide rail is also equipped with feeding mechanism matched with clamping mechanism.

[0010] Compared with prior art, the utility model has the advantages that:

[0011] 1. By setting the electric slide rail, drive motor, workpiece measurement assembly and laser marking instrument, the workpiece is moved to the working area of the laser marking instrument after the measurement is completed through the cooperation of the electric slide rail and the drive motor, and the workpiece is marked immediately, avoiding the process of transferring the workpiece to other production lines for data recording, effectively saving the labor and time cost, and significantly improving the production efficiency;

[0012] 2. By setting the lower pressing cylinder and the wedge-shaped block, when the workbench is driven by the electric slide rail to the front side of the workpiece measurement assembly, the locking groove on the lower pressing cylinder cooperates with the wedge-shaped block to realize the limiting fixing of the workbench, avoiding the displacement of the workbench caused by the contact of the high-precision contact probe with the workpiece, thereby effectively preventing the deviation of the measurement result.

[0013] 3. By the cooperation of the plurality of high-precision contact probes, the electric slide rail and the drive motor, the multi-point measurement and multi-surface measurement of the workpiece are realized, the measurement efficiency is significantly improved, and good economic benefits are obtained; BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a partial structure schematic view of an embodiment of the high-precision contact workpiece measurement device of the utility model;

[0015] Figure 2 is a connection schematic view of the workbench and the clamping mechanism of the utility model;

[0016] Figure 3 is Figure 2 the rear side structure diagram;

[0017] Figure 4 is Figure 1 the top view;

[0018] Figure 5 is a structure schematic view of the feeding mechanism of the utility model;

[0019] Figure 6 is a cooperation schematic view of the feeding mechanism and the clamping mechanism of the utility model;

[0020] Figure 7 is a measurement state view of the workpiece measurement assembly of the utility model;

[0021] Figure 8 is a marking state view of the laser marking instrument of the utility model.

[0022] Label explanation: 1 workbench, 10 wedge block, 2 clamping mechanism, 21 support plate, 211 corner cylinder, 212 upper baffle, 22 supporting block, 221 lower baffle, 3 motor fixing frame, 4 driving motor, 5 electric sliding rail, 51 guide rail, 52 screw linear sliding rail, 61 fixed frame, 62 installation box, 63 high-precision contact type probe, 7 laser marking instrument, 81 first electric control sliding rail, 82 second electric control sliding rail, 83 multi-axis mechanical arm, 9 down pressure cylinder. DETAILED DESCRIPTION

[0023] The content of the utility model will be described in detail below in combination with the drawings and examples of the specification:

[0024] As Figures 1-8 shown, it is an embodiment schematic view of a high-precision contact type workpiece measuring device provided by the utility model:

[0025] A high-precision contact type workpiece measuring device comprises:

[0026] Workbench 1;

[0027] Clamping mechanism 2, which is fixedly arranged on the upper portion of workbench 1, is used for clamping a workpiece;

[0028] Motor fixing frame 3 is located below workbench 1, wherein a driving motor 4 is installed in the middle portion of motor fixing frame 3, and the output shaft of driving motor 4 is fixedly connected with the bottom of workbench 1;

[0029] Electric sliding rail 5 is arranged at the left and right ends of motor fixing frame 3, and is used for driving motor fixing frame 3 to slide forward and backward;

[0030] Among them, the front side of the electric sliding rail 5 is provided with a workpiece measuring assembly, the workpiece measuring assembly comprises a fixed frame 61, an installation box 62 fixedly arranged on the upper portion of the fixed frame 61 and a plurality of high-precision contact type probes 63 arranged in the installation box 62, the measuring end of the high-precision contact type probe 63 extends out of the rear side of the installation box 62, and the measuring end of the high-precision contact type probe 63 corresponds to the measuring position of the workpiece;The left side or the right side of the electric sliding rail 5 is provided with a laser marking instrument 7;The rear side of the electric sliding rail 5 is also provided with a feeding mechanism matched with the clamping mechanism 2.

[0031] Preferably, the driving motor 4 is a zero-backlash reduction motor.

[0032] The clamping mechanism 2 comprises two support plates 21 arranged on the left and right sides of the workbench 1; a rotary angle cylinder 211 is installed on the support plate 21, the rocker arm of the rotary angle cylinder 211 is located at the rear side of the support plate 21, and the front side of the support plate 21 is further provided with an upper baffle 212 which is spaced from the rotary angle cylinder 211 in the up-down direction; the rocker arm of the rotary angle cylinder 211 is tightened to the front side, so that the workpiece is clamped between the upper baffle 212 and the rocker arm of the rotary angle cylinder 211.

[0033] The clamping mechanism 2 further comprises a supporting block 22 for supporting the workpiece, and the left and right sides of the supporting block 22 are fixedly provided with lower baffles 221 which are limitedly matched with the workpiece.

[0034] The electric sliding rail 5 comprises guide rails 51 and screw linear sliding rails 52 which are spaced apart in the left-right direction, and the motor fixing frame 3 is located between the guide rails 51 and the screw linear sliding rails 52.

[0035] One end of the motor fixing frame 3 is fixedly connected with the sliding part of the screw linear sliding rail 52, and the other end of the motor fixing frame 3 is slidingly connected with the guide rail 51.

[0036] The feeding mechanism comprises a first electric control sliding rail 81 and a sliding table, the first electric control sliding rail 81 is arranged in the transverse direction, the sliding table is arranged on the sliding part of the first electric control sliding rail 81, a second electric control sliding rail 82 extending in the longitudinal direction is installed on the sliding table, and a multi-axis mechanical arm 83 for taking and placing the workpiece and matched with the clamping mechanism 2 is installed on the sliding part of the second electric control sliding rail 82.

[0037] The laser marking instrument 7, the driving motor 4 and the high-precision contact probe 63 are electrically connected with each other.

[0038] The front end side of the electric sliding rail 5 is provided with a downward pressing cylinder 9, a wedge-shaped block 10 is fixedly arranged on the workbench 1, and a locking groove corresponding to the wedge-shaped block 10 is arranged on the output end of the downward pressing cylinder 9.

[0039] The working process of the utility model is roughly as follows:

[0040] Firstly, the workpiece to be measured is placed on the clamping mechanism 2 through the multi-axis mechanical arm 83, as shown in the figure, and then the workbench 1 is driven to move forward by the electric sliding rail 5, so that the workpiece is brought to the front of the workpiece measuring assembly 6. Figure 7 Next, the locking groove on the output end of the downward pressing cylinder 9 is matched with the wedge-shaped block 10 to limit and fix the workbench, the high-precision contact probe 63 moves backward in the installation box 62, the measuring end of the high-precision contact probe 63 contacts the workpiece measuring point, and data measurement is completed. Figure 8As shown, then, the electric slide rail 5 drives the workbench 1 to move backward to the working area of the laser marking machine 7, the driving motor 4 drives the workbench 1 to rotate, so that the marking surface of the workpiece faces the laser marking machine 7, and marking is performed.

[0041] The working principle of the utility model is roughly as follows:

[0042] The workpiece surface processed by the CNC process is relatively smooth, and in the same measurement plane of the workpiece, the measurement ends of the multiple high-precision contact type probe pens 63 contact the workpiece surface to simultaneously obtain multiple measurement points, and these measurement points (at least three measurement points) jointly form a measurement surface. After the multiple measurement surfaces of the workpiece are measured by the high-precision contact type probe pen 63 (such as steps, steps and the like on the workpiece), the difference between different measurement surfaces is verified through an algorithm, and it can be judged whether the machining precision of the workpiece meets the limit value requirement, so as to realize accurate detection of the machining quality of the workpiece.

[0043] The high-precision contact type probe pen 63 is a product available on the market, and is purchased from Keyence (China) Co., Ltd. with the website www.keyence.com.cn.

[0044] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art in the technical range disclosed by the utility model, according to the technical scheme and the utility model concept of the utility model, makes equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. A high precision contact workpiece measuring device, characterized by, It includes: Workbench (1); Clamping mechanism (2), fixed on the upper part of the workbench (1), used for clamping workpieces; Motor fixing frame (3) is located below the workbench (1), the middle part is installed with driving motor (4), the output shaft of the driving motor (4) is fixedly connected with the bottom of the workbench (1); Electric slide rail (5) is arranged at the left and right ends of the motor fixing frame (3), which is used to drive the motor fixing frame (3) to slide forward and backward; Wherein, the front side of the electric slide rail (5) is provided with a workpiece measuring assembly, the workpiece measuring assembly includes a fixing frame (61), an installation box (62) fixedly arranged on the upper part of the fixing frame (61), and a plurality of high-precision contact type probe pens (63) arranged in the installation box (62), the measurement end of the high-precision contact type probe pen (63) extends out of the rear side of the installation box (62), and the measurement end of the high-precision contact type probe pen (63) corresponds to the measurement position of the workpiece; The left side or the right side of the electric slide rail (5) is provided with a laser marking instrument (7); The rear side of the electric slide rail (5) is also provided with a feeding mechanism matched with the clamping mechanism (2).

2. The high precision contact workpiece measuring device of claim 1, wherein: The clamping mechanism (2) includes two support plates (21) arranged on the left and right sides of the workbench (1); The support plate (21) is provided with a corner cylinder (211); The rocker arm of the corner cylinder (211) is located on the rear side of the support plate (21); The front side of the support plate (21) is also provided with an upper baffle (212) spaced from the corner cylinder (211) in the up-down direction; The rocker arm of the corner cylinder (211) is tightened to the front side, and the workpiece is clamped between the upper baffle (212) and the rocker arm of the corner cylinder (211).

3. The high precision contact workpiece measuring apparatus of claim 2, wherein: The clamping mechanism (2) further includes a supporting block (22) for supporting the workpiece, and the left and right sides of the supporting block (22) are fixedly provided with lower baffles (221) matched with the workpiece limiting.

4. The high precision contact workpiece measuring device of claim 1, wherein: The electric slide rail (5) includes left and right spaced guide rails (51) and screw linear slide rails (52), and the motor fixing frame (3) is located between the guide rails (51) and the screw linear slide rails (52); One end of the motor fixing frame (3) is fixedly connected with the sliding part of the screw linear slide rail (52), and the other end of the motor fixing frame (3) is slidingly connected with the guide rail (51).

5. The high precision contact workpiece measuring device of claim 1, wherein: The feeding mechanism includes a first electric control slide rail (81) and a sliding table, the first electric control slide rail (81) is arranged horizontally, the sliding table is arranged on the sliding part of the first electric control slide rail (81), a second electric control slide rail (82) extending longitudinally is arranged on the sliding table, and a multi-axis mechanical arm (83) matched with the clamping mechanism (2) and used for taking and placing workpieces is arranged on the sliding part of the second electric control slide rail (82).

6. The high precision contact workpiece measuring device of claim 1, wherein: The laser marking instrument (7), the driving motor (4) and the high-precision contact type probe pen (63) are connected with each other by electric signal.

7. The high precision contact workpiece measuring apparatus of any of claims 1 to 6, wherein: The front end side of the electric slide rail (5) is provided with a pressing cylinder (9), the workbench (1) is fixedly provided with a wedge block (10), and the output end of the pressing cylinder (9) is provided with a locking groove corresponding to the wedge block (10).

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