CN210426475U

CN210426475U - 3D measuring machine

Info

Publication number: CN210426475U
Application number: CN201921536365.0U
Authority: CN
Inventors: 王益明; 杜远芳
Original assignee: Kunshan Yongzhe Precision Machinery Co Ltd
Current assignee: Kunshan Yongzhe Precision Machinery Co Ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-04-28
Anticipated expiration: 2029-09-17

Abstract

The utility model relates to the technical field of measuring machines, in particular to a 3D measuring machine, which solves the problems that when the measuring machine in the prior art is used, an upper positioning needle is pressed downwards to ensure that the upper positioning needle can contact a workpiece, and once the force control is not good, the workpiece is clamped by larger pressure, so that the pressure is transmitted to a lower positioning needle at the bottom of the workpiece to cause the bending damage of the lower positioning needle; the utility model discloses a measuring seat, including measuring the frame, the lift post is installed on the top of measuring the frame, the bottom fixedly connected with measuring platform of lift post, the locating pin is gone up to measuring platform's bottom fixedly connected with, the bottom fixedly connected with measuring module of going up the locating pin, spacing slide is installed to the inboard of measuring the frame, spacing spout has been seted up to one side that spacing slide is close to measuring platform, measuring platform's both sides fixed surface is connected with "T" type slider simultaneously and accepts the shortcoming of inconvenient maintenance when measuring the seat and breaking down.

Description

3D measuring machine

Technical Field

The utility model relates to a measuring machine technical field especially relates to a 3D measuring machine.

Background

Coordinate measuring machines are known in the prior art, in which a mechanical coordinate system is established by taking a platform of a measuring instrument as a reference plane, coordinate values of measured points on the surface of a measured workpiece are collected and projected into a spatial coordinate system to construct a spatial model of the workpiece. For example, in a coordinate measuring machine, a mechanical coordinate system is established by using a platform of a measuring instrument as a reference plane, coordinate values of measured points on the surface of a measured workpiece are collected and projected into a spatial coordinate system, and a spatial model of the workpiece is constructed. With the spatial model of the workpiece, the coordinate measuring machine can calculate the required geometric parameters.

When the existing measuring machine is used, the upper positioning needle is required to be ensured to be capable of contacting a workpiece in the downward pressing process, and once the force is not well controlled, large pressure can be clamped on the workpiece, so that the large pressure is transmitted to the lower positioning needle at the bottom of the workpiece, and the lower positioning needle is bent and damaged; meanwhile, the measuring seat and the bearing seat cannot be conveniently disassembled and assembled, and the measuring seat is inconvenient to overhaul when the measuring seat fails.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that in the prior art, when the existing measuring machine is used, the upper positioning needle is pressed downwards, the upper positioning needle can contact with a workpiece, and once the force control is not good, the workpiece is clamped by larger pressure, so that the lower positioning needle is transmitted to the bottom of the workpiece, and the lower positioning needle is bent and damaged; meanwhile, the measuring seat and the bearing seat cannot be conveniently disassembled and assembled, and the measuring seat is inconvenient to overhaul when in fault, so that the 3D measuring machine is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

A3D measuring machine comprises a measuring frame, wherein a lifting column is installed at the top end of the measuring frame, a measuring platform is fixedly connected to the bottom end of the lifting column, an upper positioning needle is fixedly connected to the bottom end of the measuring platform, a measuring module is fixedly connected to the bottom end of the upper positioning needle, a limiting sliding seat is installed on the inner side of the measuring frame, a limiting sliding groove is formed in one side, close to the measuring platform, of the limiting sliding seat, T-shaped sliding blocks are fixedly connected to the surfaces of the two sides of the measuring platform, the outer ends of the T-shaped sliding blocks are located in the limiting sliding groove, a bearing seat is fixedly connected to the bottom of the measuring frame, a measuring seat is installed on the upper surface of the bearing seat, a spring clamping groove is formed in the measuring seat, a buffer spring is installed in the spring clamping groove, the top end of the buffer spring is connected with a lower positioning needle, and a clamping mechanism is arranged in front of the measuring seat and the measuring frame.

Preferably, the clamping mechanism is including the fixed block of measuring seat both sides surface, the fixed slot has been seted up in the outside of fixed block, the internally mounted of measuring the frame has fixing bolt, the position department that the inside of measuring the frame corresponds fixing bolt has seted up the bolt and has perforated, fixing bolt's last fixed surface is connected with limit stop, just limit stop is in the outside of measuring the frame, install reset spring between limit stop and the measuring frame.

Preferably, a processing chip is installed inside the bearing seat, and the processing chip is electrically connected with the measuring module.

Preferably, the limiting sliding seat and the measuring frame are fixed through welding, and the measuring platform and the limiting sliding seat are connected with the limiting sliding groove in a sliding and clamping mode through a T-shaped sliding block.

Preferably, the lower positioning needle and the measuring seat are connected by the buffer spring after being limited by the spring clamping groove, and the upper positioning needle and the lower positioning needle are in one-to-one correspondence.

Preferably, the fixed block is fixed with the measuring seat by welding, and the measuring seat is fixed by inserting a fixing bolt into a fixing groove through a bolt through hole.

The utility model has the advantages that:

1. the utility model discloses in, through setting up at the inside buffer spring of measuring seat, and buffer spring is in the bottom of pilot pin down, can descend certain height to the pressure of pilot pin down according to the work piece, avoids the pilot pin to be pressed excessively and buckle the damage down.

2. The utility model discloses in, through the joint structure that sets up, can be so that the measuring seat conveniently carries out the dismouting, when measuring the inside trouble that breaks down of seat, can be so that the measuring seat is convenient to be dismantled, and it is very convenient to overhaul.

3. The utility model discloses in, through the slide rail mechanism who sets up in the measuring platform both sides, can play spacing effect for measuring platform can be perpendicularly downwards when moving down, thereby the accuracy is measured each position of work piece.

Drawings

Fig. 1 is a schematic front structural view of a 3D measuring machine according to the present invention;

fig. 2 is a schematic view of a slide rail structure of a 3D measuring machine according to the present invention;

fig. 3 is the utility model provides a 3D measuring machine's a district structural schematic.

In the figure: the device comprises a lifting column 1, a measuring frame 2, an upper positioning pin 3, a limiting sliding seat 4, an electromagnet 5, a buffer spring 6, a spring clamping groove 7, a measuring seat 8, a processing chip 9, a bearing seat 10, a lower positioning pin 11, a measuring module 12, a T-shaped sliding block 13, a measuring platform 14, a limiting sliding groove 15, a return spring 16, a fixing groove 17, a fixing block 18, a bolt perforation 19, a fixing bolt 20 and a limiting stop block 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a 3D measuring machine comprises a measuring frame 2, a lifting column 1 is installed at the top end of the measuring frame 2, a measuring platform 14 is fixedly connected to the bottom end of the lifting column 1, an upper positioning pin 3 is fixedly connected to the bottom end of the measuring platform 14, a measuring module 12 is fixedly connected to the bottom end of the upper positioning pin 3, a limiting slide seat 4 is installed at the inner side of the measuring frame 2, a limiting slide groove 15 is formed at one side of the limiting slide seat 4 close to the measuring platform 14, T-shaped slide blocks 13 are fixedly connected to the surfaces of the two sides of the measuring platform 14, the outer ends of the T-shaped slide blocks 13 are located inside the limiting slide grooves 15, a bearing seat 10 is fixedly connected to the bottom of the measuring frame 2, a measuring seat 8 is installed on the upper surface of the bearing seat 10, a spring clamping groove 7 is formed inside the measuring seat 8, a buffer spring 6 is installed inside, electromagnet 5 has been cup jointed in the bottom outside of lower pilot pin 11, can directly compress buffer spring 6 when 11 atresss of pilot pin down and to 7 inside removals of spring clamp groove, starts the buffering guard action, and when measuring platform 14 gliding, can avoid appearing in disorder along the orbit that "T" type slider 13 and spacing spout 15 were injectd, measures seat 8 and installs clamping mechanism before measuring frame 2.

Further, latch mechanism is including measuring 8 both sides of the seat fixed block 18 on the surface, fixed slot 17 has been seted up in the outside of fixed block 18, the internally mounted of measuring frame 2 has fixing bolt 20, the position department that the inside of measuring frame 2 corresponds fixing bolt 20 has seted up bolt perforation 19, fixing bolt 20's last fixed surface is connected with limit stop 21, and limit stop 21 is in the outside of measuring frame 2, install reset spring 16 between limit stop 21 and the measuring frame 2, after the inside of measuring seat 8 breaks down, direct outside pulling fixing bolt 20, reset spring 16 is in the state of extending under limit stop 21's the effect of dragging, at this moment fixing bolt 20's tip breaks away from fixed slot 17, then take off measuring seat 8 and overhaul can.

Furthermore, a processing chip 9 is mounted inside the socket 10, and the processing chip 9 is electrically connected to the measurement module 12.

Furthermore, the limiting sliding seat 4 and the measuring frame 2 are fixed by welding, and the measuring platform 14 and the limiting sliding seat 4 are in sliding clamping connection with the limiting sliding groove 15 through a T-shaped sliding block 13.

Furthermore, the lower positioning needle 11 and the measuring seat 8 are connected by the buffer spring 6 after being limited by the spring clamping groove 7, and the upper positioning needle 3 and the lower positioning needle 11 are in one-to-one correspondence relationship.

Further, the fixing block 18 is fixed to the measuring base 8 by welding, and the measuring base 8 is fixed by inserting the fixing bolt 20 into the fixing groove 17 through the bolt penetration hole 19.

In this embodiment, a workpiece to be measured is placed on the upper surface of the lower positioning pin 11, the measuring platform 14 is driven by the lifting column 1 to move downwards until the bottom end of the upper positioning pin 3 contacts the upper surface of the workpiece, at this time, the workpiece is continuously pressed, the upper and lower surfaces of the workpiece can be ensured to accurately contact the upper positioning pin 3 and the lower positioning pin 11, the buffer spring 6 is directly compressed to move towards the inside of the spring clamping groove 7 when the lower positioning pin 11 is stressed, the buffer protection effect is started, and when the measuring platform 14 slides downwards, the track defined by the T-shaped sliding block 13 and the limiting sliding groove 15 is formed, the confusion is avoided, finally, the coordinate measurement of the workpiece is carried out by the measuring module 12, then the data processing is carried out by the processing chip 9, after the internal fault occurs in the measuring base 8, the fixing bolt 20 is directly pulled outwards, the reset spring 16 is in an extending state under the pulling effect of the limiting stopper 21, at this time, the end of the fixing bolt 20 is separated from the fixing groove 17, and then the measuring base 8 is taken down for maintenance.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a 3D measuring machine, includes measuring frame (2), its characterized in that, the lift post (1) is installed on the top of measuring frame (2), the bottom fixedly connected with of lift post (1) measures platform (14), the bottom fixedly connected with of measuring platform (14) goes up pilot pin (3), the bottom fixedly connected with of going up pilot pin (3) measures module (12), spacing slide (4) are installed to the inboard of measuring frame (2), spacing spout (15) have been seted up to one side that spacing slide (4) are close to measuring platform (14), the both sides fixed surface of measuring platform (14) is connected with "T" type slider (13), just the outer end of "T" type slider (13) is in inside spacing spout (15), the bottom fixedly connected with of measuring frame (2) accepts seat (10), the upper surface of the bearing seat (10) is provided with a measuring seat (8), a spring clamping groove (7) is formed in the measuring seat (8), a buffer spring (6) is arranged in the spring clamping groove (7), the top end of the buffer spring (6) is connected with a lower positioning needle (11), an electromagnet (5) is sleeved on the outer side of the bottom end of the lower positioning needle (11), and a clamping mechanism is installed in the measuring seat (8) and the measuring frame (2) in advance.

2. The 3D measuring machine according to claim 1, wherein the clamping mechanism comprises fixing blocks (18) on two side surfaces of the measuring base (8), fixing grooves (17) are formed in the outer sides of the fixing blocks (18), fixing bolts (20) are mounted inside the measuring frame (2), bolt through holes (19) are formed in the position, corresponding to the fixing bolts (20), inside the measuring frame (2), limit stops (21) are fixedly connected to the upper surfaces of the fixing bolts (20), the limit stops (21) are located on the outer sides of the measuring frame (2), and reset springs (16) are mounted between the limit stops (21) and the measuring frame (2).

3. The 3D measuring machine according to claim 1, characterized in that the inside of the socket (10) is provided with a processing chip (9), and the processing chip (9) is electrically connected with the measuring module (12).

4. The 3D measuring machine according to claim 1, wherein the limiting slide seat (4) is fixed with the measuring frame (2) by welding, and the measuring platform (14) and the limiting slide seat (4) are in sliding clamping connection with the limiting sliding groove (15) through a T-shaped sliding block (13).

5. The 3D measuring machine according to claim 1, wherein the lower positioning pin (11) and the measuring base (8) are connected by the buffer spring (6) after being limited by the spring clamping groove (7), and the upper positioning pin (3) and the lower positioning pin (11) are in one-to-one correspondence.

6. A 3D measuring machine according to claim 2, characterized in that the fixing block (18) is fixed to the measuring base (8) by welding, and the measuring base (8) is fixed by inserting a fixing bolt (20) through a bolt through hole (19) into a fixing groove (17).