CN219265537U

CN219265537U - Temperature compensation system of cantilever type three-coordinate measuring machine

Info

Publication number: CN219265537U
Application number: CN202320559922.0U
Authority: CN
Inventors: 李辉; 施冬冬; 刘丽曼
Original assignee: Shanghai Huace Liangyi Precision Instrument Co ltd
Current assignee: Shanghai Huace Liangyi Precision Instrument Co ltd
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-06-27
Anticipated expiration: 2033-03-20

Abstract

The utility model relates to the technical field of temperature control of a testing machine, and discloses a temperature compensation system of a cantilever type three-coordinate measuring machine, which comprises: the sensor assembly is electrically connected with the transmission assembly, the transmission assembly is used for transmitting temperature information detected by the sensor assembly to the controller, the controller is electrically connected with the transmission assembly and the operation panel, the controller is used for transmitting information to the operation panel, the sensor assembly is composed of a first sensor, a second sensor, a third sensor and a fourth sensor, and the four sensors are temperature sensors. The temperature compensation system provided by the utility model utilizes a plurality of temperature sensors to detect the temperature of each position of the measuring instrument, monitors the ambient temperature of the measuring instrument in real time, ensures the measuring precision of the measuring instrument, can adjust the measuring instrument in time through the temperature compensation system, and ensures the precision and stability of object detection.

Description

Temperature compensation system of cantilever type three-coordinate measuring machine

Technical Field

The utility model relates to the technical field of temperature control of a testing machine, in particular to a temperature compensation system of a cantilever type three-coordinate measuring machine.

Background

The cantilever three-coordinate measuring instrument is a scientific instrument for measuring related data of products _。

In the prior art, the application number is as follows: CN201620663009.5 discloses a base structure of a cantilever type three-coordinate measuring apparatus, wherein a groove is arranged on the surface of a base, a plurality of layers of rubber pads arranged in the groove are utilized to provide elastic buffering, so that a workpiece to be measured and the base are protected, a metal supporting plate is utilized to separate the layered rubber pads, so as to improve the bearing capacity of the plurality of layers of rubber pads, the heavy workpiece placed forward on the rubber pads is prevented from tilting and warping along with the elastic deformation of the rubber pads, and the uppermost end of the groove is provided with an annular step surface protruding towards the side surface of the groove.

However, in the prior art, the application number is as follows: the measuring instrument mentioned in CN201620663009.5, in which the ambient temperature of the measuring instrument changes during the measurement process, and the accuracy of the measurement is easily disturbed, the measuring instrument needs a temperature compensation system to detect the ambient temperature of the measuring instrument.

Disclosure of Invention

The utility model aims to provide a temperature compensation system of a cantilever type three-coordinate measuring machine, which aims to solve the problems in the prior art.

The aim of the utility model can be achieved by the following technical scheme:

a temperature compensation system of a cantilever-type three-coordinate measuring machine, the temperature compensation system comprising:

sensor assembly, transmission subassembly, controller and operating panel.

The sensor assembly is electrically connected with the transmission assembly, the transmission assembly is used for transmitting temperature information detected by the sensor assembly to the controller, the controller is electrically connected with the transmission assembly and the operation panel, and the controller is used for transmitting information to the operation panel.

The sensor assembly is composed of a first sensor, a second sensor, a third sensor and a fourth sensor, wherein the four sensors are temperature sensors.

Further, the cantilever type three-coordinate measuring machine includes:

base, objective table, portal frame and detection seat.

The base is provided with an objective table, the base is connected with a portal frame, the portal frame is provided with a detection seat, the base is provided with a trapezoid groove, two ends of the trapezoid groove are provided with matching grooves, guide blocks are installed in the trapezoid groove, two ends of the guide blocks are provided with locking screws, and the locking screws penetrate through the guide blocks to be matched and connected with the matching grooves.

Further, be equipped with the heavy groove on the guide block, the heavy inslot rotation is equipped with first lead screw, and the feed end of base is fixed to be equipped with first sensor, is located the detection department on the base and is provided with the second sensor, is fixed to be equipped with operating panel on the base.

Further, the both sides of base are fixed and are equipped with the installing frame that is used for assembling the portal frame, are provided with the probe that detects usefulness on the detection seat, are provided with the fourth sensor on the detection seat.

Further, the bottom of objective table is fixed and is equipped with the connecting seat, connecting seat and dovetail groove, heavy groove sliding connection, and connecting seat and first lead screw-thread fit are equipped with the worker inslot is fixed and is equipped with the guide arm on the objective table, and the rotation of worker inslot is equipped with the second lead screw.

Further, be equipped with two third sensors on the objective table, install the carriage release lever in the I-shaped inslot, the carriage release lever is used for being connected with guide arm and second lead screw, and the carriage release lever is last to be equipped with the spout symmetrically, and the slip is equipped with the material clamp in the spout, and the fixed spring that is equipped with in one side of material clamp, spring coupling are in the spout, and the third sensor is located the both sides of carriage release lever.

The utility model has the beneficial effects that:

1. the temperature compensation system of the utility model utilizes a plurality of temperature sensors to detect the temperature of each position of the measuring instrument, monitors the ambient temperature of the measuring instrument in real time, ensures the measuring precision of the measuring instrument, and can adjust the measuring instrument in time through the temperature compensation system;

2. the temperature compensation system provided by the utility model has a simple structure, is matched with the objective table, and can be used for stably and reliably detecting the object to be detected, so that the accuracy and stability of object detection are ensured.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of a cantilever-type three-coordinate measuring machine according to the present utility model;

FIG. 2 is a top view of the cantilever-type three-coordinate measuring machine of the present utility model;

FIG. 3 is a cross-sectional view of a cantilever-type three-coordinate measuring machine of the present utility model;

FIG. 4 is a schematic diagram of a temperature compensation system of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The temperature compensation system of the cantilever type three-coordinate measuring machine comprises a base 1, wherein an objective table 2 is arranged on the base 1, a portal frame 3 is connected to the base 1, a detection seat 4 is arranged on the portal frame 3, and the detection seat 4 slides on the portal frame 3 as shown in fig. 1, 2 and 3.

The base 1 is provided with a trapezoid groove 11, two ends of the trapezoid groove 11 are provided with a matching groove 13, a guide block 12 is installed in the trapezoid groove 11, two ends of the guide block 12 are inserted and connected into the matching groove 13, two ends of the guide block 12 are provided with locking screws 14, and the locking screws 14 are fixedly connected with the matching groove 13 and used for fixing the guide block 12.

The sinking groove 15 is formed in the guide block 12, a first lead screw 16 is rotationally arranged in the sinking groove 15, a first motor 17 is fixedly arranged at one end of the guide block 12, the output end of the first motor 17 is fixedly connected with the first lead screw 16 to drive the first lead screw 16 to rotate, a first sensor 18 is fixedly arranged at the feeding end of the base 1, a second sensor 10 is arranged at the detection position of the base 1, and an operation panel 5 is fixedly arranged on the base 1.

The bottom of objective table 2 is fixed and is equipped with connecting seat 21, and connecting seat 21 installs in dovetail groove 11, and connecting seat 21 and dovetail groove 11 sliding connection, connecting seat 21 and heavy groove 15 sliding connection, and connecting seat 21 and first lead screw 16 threaded connection, first lead screw 16 rotates and can drive objective table 2 translation, accomplishes the feeding of waiting to detect the article.

The objective table 2 is provided with an I-shaped groove 22, a guide rod 24 is fixedly arranged in the I-shaped groove 22, a second lead screw 23 is rotationally arranged in the I-shaped groove 22, a second motor 20 is fixedly arranged on one side of the objective table 2, and the output end of the second motor 20 is fixedly connected with the second lead screw 23 and used for driving the second lead screw 23 to rotate.

The object stage 2 is provided with two third sensors 29, a moving rod 25 is arranged in the I-shaped groove 22, the moving rod 25 is respectively matched with the guide rod 24 and the second screw rod 23, a chute 26 which is symmetrically distributed is arranged on the moving rod 25, a material clamp 27 is arranged in the chute 26 in a sliding manner, a spring 28 is fixedly arranged on one side of the material clamp 27, the spring 28 is fixedly connected in the chute 26, the material clamp 27 is controlled to clamp and fix objects, and the third sensors 29 are positioned on two sides of the moving rod 25.

The both sides of base 1 are fixed and are equipped with installing frame 19, and installing frame 19 is used for the location equipment portal frame 3, is provided with the transmission toothed belt 31 on the portal frame 3, through being located the gear and the cooperation of transmission toothed belt 31 in the detection seat 4, steerable detection seat 4 removes on the transmission toothed belt 31, is provided with the probe 42 that detects usefulness on the detection seat 4, is provided with fourth sensor 41 on the detection seat 4.

The temperature compensation system comprises a sensor assembly, a transmission assembly, a controller and an operation panel 5, wherein the sensor assembly is composed of a first sensor 18, a second sensor 10, a third sensor 29 and a fourth sensor 41, the first sensor 18, the second sensor 10, the third sensor 29 and the fourth sensor 41 are all temperature sensors, as shown in fig. 4, the sensor assembly is electrically connected with the transmission assembly, detected temperature information is transmitted to the controller through the transmission assembly, the controller is electrically connected with the transmission assembly, and the controller is electrically connected with the operation panel 5 and used for transmitting the information to the operation panel 5.

The temperature compensation system carries out comprehensive temperature monitoring on the feeding end of the base 1, the table top of the detection position, two sides of the objective table 2 and the upper part of the objective table 2 through data collection of the real-time sensor assembly, and the temperature compensation system is transmitted to the controller through the transmission assembly, so that the compensation parameters are convenient to adjust at fixed time points, and even if the ambient temperature changes, the temperature transmission compensation of the real-time system exists, and the constant-cantilever type three-coordinate measuring machine can be ensured to be in a precision stable state.

When the temperature compensation system is used, the using method of the temperature compensation system of the cantilever type three-coordinate measuring machine is as follows:

the object to be detected is fixed on the two material clamps 27, after the object is clamped, the first screw rod 16 rotates to drive the object stage 2 to translate to the detection position, the object is detected, and in order to ensure the detection precision, the temperature on the measuring machine is monitored when the machine is maintained regularly, so that the temperature is ensured to be in a proper interval.

In the actual use process, the ambient temperature of the equipment is always changed, the temperature compensation system carries out comprehensive temperature monitoring on the feeding end of the base 1, the table top at the detection position, the two sides of the objective table 2 and the upper part of the objective table 2 through data collection of the real-time sensor assembly, and the temperature compensation system is transmitted to the controller through the transmission assembly, so that the compensation parameters are convenient to adjust at fixed time points, and even if the ambient temperature is changed, the temperature transmission compensation of the real-time system is realized, and the constant cantilever type three-coordinate measuring machine can be ensured to be in a stable precision state.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. A temperature compensation system for a cantilever-type three-coordinate measuring machine, the temperature compensation system comprising:

a sensor assembly, a transmission assembly, a controller and an operation panel (5);

the sensor assembly is electrically connected with the transmission assembly, the transmission assembly is used for transmitting temperature information detected by the sensor assembly to the controller, the controller is electrically connected with the transmission assembly and the operation panel (5), and the controller is used for transmitting the information to the operation panel (5);

the sensor assembly is composed of a first sensor (18), a second sensor (10), a third sensor (29) and a fourth sensor (41), and the four sensors are all temperature sensors.

2. The temperature compensation system of a cantilever-type three-coordinate measuring machine of claim 1, wherein the cantilever-type three-coordinate measuring machine comprises:

the device comprises a base (1), an objective table (2), a portal frame (3) and a detection seat (4);

be equipped with objective table (2) on base (1), be connected with portal frame (3) on base (1), be equipped with on portal frame (3) and detect seat (4), be equipped with dovetail groove (11) on base (1), the both ends of dovetail groove (11) are equipped with cooperation groove (13), install guide block (12) in dovetail groove (11), the both ends of guide block (12) are equipped with locking screw (14), locking screw (14) pass guide block (12) and cooperation groove (13) cooperation is connected.

3. The temperature compensation system of the cantilever type three-coordinate measuring machine according to claim 2, wherein a sinking groove (15) is formed in the guide block (12), a first lead screw (16) is rotationally arranged in the sinking groove (15), a first sensor (18) is fixedly arranged at a feeding end of the base (1), a second sensor (10) is arranged at a detection position on the base (1), and an operation panel (5) is fixedly arranged on the base (1).

4. A temperature compensation system of a cantilever type three-coordinate measuring machine according to claim 3, characterized in that, the two sides of the base (1) are fixedly provided with a mounting frame (19) for assembling the portal frame (3), the detection seat (4) is provided with a probe (42) for detection, and the detection seat (4) is provided with a fourth sensor (41).

5. The temperature compensation system of the cantilever type three-coordinate measuring machine according to claim 4, wherein a connecting seat (21) is fixedly arranged at the bottom of the objective table (2), the connecting seat (21) is slidably connected with the trapezoid groove (11) and the sinking groove (15), the connecting seat (21) is in threaded fit with the first lead screw (16), an I-shaped groove (22) is formed in the objective table (2), a guide rod (24) is fixedly arranged in the I-shaped groove (22), and a second lead screw (23) is rotationally arranged in the I-shaped groove (22).

6. The temperature compensation system of the cantilever type three-coordinate measuring machine according to claim 5, wherein two third sensors (29) are arranged on the object stage (2), a moving rod (25) is arranged in the I-shaped groove (22), the moving rod (25) is used for being connected with a guide rod (24) and a second screw rod (23), sliding grooves (26) are symmetrically formed in the moving rod (25), a material clamp (27) is arranged in the sliding grooves (26) in a sliding mode, springs (28) are fixedly arranged on one sides of the material clamp (27), the springs (28) are connected into the sliding grooves (26), and the third sensors (29) are located on two sides of the moving rod (25).