CN218211075U

CN218211075U - Linear rail slider position degree detection mechanism for precision machine tool

Info

Publication number: CN218211075U
Application number: CN202220965864.7U
Authority: CN
Inventors: 王道智; 邹冰山
Original assignee: Ningbo Powermetal Industrial Co ltd
Current assignee: Ningbo Powermetal Industrial Co ltd
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2023-01-03
Anticipated expiration: 2032-04-22

Abstract

The utility model provides a precision machine is line rail slider position degree detection mechanism for bed, is including being used for supplying the base that the piece that awaits measuring placed, still includes support frame, first slide, second slide, vertical determine module and horizontal determine module, first slide and second slide all along vertical sliding connection in the support frame, be equipped with on the first slide and follow lateral shifting be used for butt joint to the first touch multitouch of piece that awaits measuring, be equipped with on the second slide and follow lateral shifting be used for butt joint to the second touch multitouch of piece that awaits measuring, vertical determine module connect in the support frame is used for detecting the vertical displacement volume of first slide and second slide, horizontal determine module is used for detecting the lateral displacement volume of first touch multitouch and second touch multitouch. Above-mentioned scheme has realized the high-efficient detection to the piece that awaits measuring on the base through horizontal determine module and vertical determine module, and the detection accuracy is high, possesses better practicality.

Description

Linear rail slider position degree detection mechanism for precision machine tool

Technical Field

The utility model relates to a measuring equipment's technical field particularly, relates to a line rail slider position degree detection mechanism for precision machine tool.

Background

In order to ensure the precision of a precision machine tool, the requirements of form and position tolerance of a core part of the machine tool, namely a linear rail sliding block, in the machining process are often high. At present, the form and position tolerance of the linear rail sliding block generally needs to be detected by three coordinates, however, most of the existing detection equipment needs to detect for many times, the detection efficiency is low, and the detection requirement of a workshop during mass production of the linear rail sliding block cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems of low detection efficiency and low accuracy of the line rail slide block in the prior art.

In order to solve the problem, the utility model provides a line rail slider position degree detection mechanism for precision machine tool, including being used for supplying the base that the piece that awaits measuring placed, still include support frame, first slide, second slide, vertical detection component and horizontal detection component, first slide and second slide all along vertical sliding connection in the support frame, be equipped with on the first slide and follow horizontal migration be used for butt joint to the first feeler block of piece that awaits measuring, be equipped with on the second slide and follow horizontal migration be used for butt joint to the second feeler block of piece that awaits measuring, vertical detection component connect in the support frame is used for detecting the vertical displacement volume of first slide and second slide, horizontal detection component is used for detecting the horizontal displacement volume of first feeler block and second feeler block.

Compared with the prior art, the scheme has the advantages that the first contact block and the second contact block are arranged to realize the abutting of the corresponding positions of the piece to be detected, and when the piece to be detected moves on the base, the transverse displacement of the first contact block and the second contact block can be directly detected through the transverse detection assembly; simultaneously, the vertical displacement of first feeler block and second feeler block will transmit first slide and second slide to, and then realize detecting by vertical determine module, and first slide and second slide mutually independent have avoided the interference problem, have further promoted the degree of accuracy that detects. Above-mentioned scheme has realized the high-efficient detection to the piece that awaits measuring on the base through horizontal determine module and vertical determine module, and the detection accuracy is high, possesses better practicality.

Preferably, the support frame is provided with a first guide pillar and a second guide pillar which are vertically arranged, the first sliding seat and the second sliding seat are respectively connected to the first guide pillar and the second guide pillar in a sliding manner, the first guide pillar is provided with a first spring for pushing the first sliding seat to move towards the base, and the second guide pillar is provided with a second spring for pushing the second sliding seat to move towards the base. The setting of first guide pillar and second guide pillar makes first slide and second slide can slide to the support frame more steadily relatively, and the setting of first spring and second spring then makes first slide and second slide can be continuously pushed to the piece that awaits measuring, ensures that first feeler block and second feeler block last butt to the piece that awaits measuring in vertical.

Preferably, the vertical detection assembly comprises a first detector and a second detector, the detection head of the first detector is used for abutting against the first sliding seat, and the detection head of the second detector is used for abutting against the second sliding seat, so that the vertical displacement of the first sliding seat and the second sliding seat can be accurately detected.

Preferably, all be equipped with along the guide rail of horizontal setting on first slide and the second slide, first feeler block sliding connection in the guide rail of first slide, second feeler block sliding connection in the guide rail of second slide to make the lateral shifting of the first feeler block of detection and second feeler block that horizontal detection assembly can be more stable, effectively promote and detect the accuracy.

Preferably, a third spring is arranged between the first contact block and the second contact block and used for pushing the first contact block and the second contact block to be separated, so that the first contact block and the second contact block are ensured to be continuously abutted to the piece to be tested in the transverse direction.

Preferably, a first upper measuring head and a first lower measuring head are arranged on the side face, facing the piece to be measured, of the first contact block, and a second upper measuring head and a second lower measuring head are arranged on the side face, facing the piece to be measured, of the second contact block. Most await measuring one and all be equipped with the line rail structure, gauge head can butt joint to the upside of line rail on first last gauge head and the second, and gauge head can butt joint to the downside of line rail under first gauge head and the second to realize accurate detection.

Preferably, the lateral detection assembly includes a third detector, the third detector is connected to the second contact block, and a detection head of the third detector is used for abutting against the first contact block, so as to detect lateral displacement of the first contact block relative to the second contact block.

Preferably, the first contact block is provided with a jack, the jack faces the detection head of the third detector, a transversely adjustable support rod is inserted into the jack, and the support rod is used for abutting the detection head of the third detector. The butt that sets up on the one hand for making the detection head of third detector more stable, on the other hand when the model size of awaiting measuring the piece changes, through the lateral position of the relative jack of adjustment branch, can guarantee the butt between detection head and the branch of third detector, adjust simple and conveniently, promoted the commonality.

Preferably, still include the side direction detection subassembly, the side direction detection subassembly includes side bearer and fourth detector, the one end of side bearer is connected to first touch multitouch and the other end extends to the side of base, the fourth detector is connected to the other end of side bearer, the detection head of fourth detector are used for the butt to the side of awaiting measuring the piece to the realization is to the effective detection of the plane degree of the lateral surface of awaiting measuring the piece.

Preferably, one side of the base is provided with a flange for abutting against the side surface of the piece to be detected, and the flange is provided with a through groove for the detection head of the fourth detector to pass through. The setting up of flange makes the relative base of piece that awaits measuring more stable and angle invariably remove, guarantees the accurate detection of fourth detector and first, second, third detector to the piece that awaits measuring.

Drawings

FIG. 1 is a schematic axial view of a linear guide slider position detection mechanism for a precision machine tool;

FIG. 2 is a schematic front view of a linear guide slider position detection mechanism for a precision machine tool;

FIG. 3 is a schematic top view of a linear guide slider position detection mechanism for a precision machine tool;

FIG. 4 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 3;

fig. 5 is a schematic sectional view taken along line B-B in fig. 3.

Description of reference numerals:

1-a base; 110-a rib; 111-through slots; 2-a support frame; 210-a first guide post; 211-a first spring; 220-a second guide pillar; 221-a second spring; 3-a first slide; 310-a first contact block; 311-jack; 312-a strut; 313-a first upper probe; 314-a first lower probe; 320-a guide rail; 330-a third spring; 4-a second slide; 410-a second contact; 411 — second upper probe; 412-a second lower probe; 5-a vertical detection assembly; 510-a first detector; 520-a second detector; 6-a lateral detection assembly; 7-a lateral detection assembly; 710-sideframe; 720-fourth detector.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. It should be noted that all the directional indicators (such as up, down, left, right, front, back, inside, and outside) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

Please refer to fig. 1-5, an embodiment of the present invention provides a line rail slider position degree detection mechanism for precision machine tool, including being used for supplying the base 1 that the piece to be measured placed, further including support frame 2, first slide 3, second slide 4, vertical detection component 5 and horizontal detection component 6, first slide 3 and second slide 4 are all along vertical sliding connection in support frame 2, be equipped with on first slide 3 and can follow lateral shifting be used for butt joint to the first touch multitouch 310 of piece to be measured, be equipped with on second slide 4 and can follow lateral shifting be used for butt joint to the second touch multitouch 410 of piece to be measured, vertical detection component 5 is connected in support frame 2 and is used for detecting the vertical displacement volume of first slide 3 and second slide 4, horizontal detection component 6 is used for detecting the horizontal displacement volume of first touch multitouch 310 and second touch multitouch 410.

In the above embodiment, the base 1 is plate-shaped, and the flatness and parallelism of the base 1 are preferably controlled to be 0.005mm. When the device is used, a piece to be measured is firstly placed on the base 1, and then the piece to be measured is pushed to transversely pass through the supporting frame 2. In the process that the piece to be detected passes through the support frame 2, an operator abuts the first contact block 310 and the second contact block 410 to corresponding positions of the piece to be detected, so that along with the continuous movement of the piece to be detected on the base 1, the transverse displacement of the first contact block 310 and the second contact block 410 can be directly detected through the transverse detection assembly 6; meanwhile, the vertical displacement of the first contact block 310 and the second contact block 410 is transmitted to the first sliding seat 3 and the second sliding seat 4, so that the vertical detection assembly 5 realizes detection, and the first sliding seat 3 and the second sliding seat 4 are mutually independent, so that the interference problem is avoided, and the detection accuracy is further improved. Above-mentioned scheme has realized the high-efficient detection to the piece that awaits measuring on base 1 through horizontal determine module 6 and vertical determine module 5, and the detection accuracy is high, possesses better practicality.

In this embodiment, the supporting frame 2 is in a shape of a gantry, a first guide pillar 210 and a second guide pillar 220 are vertically disposed on a lower side surface of a middle portion of the supporting frame 2, and the first sliding base 3 and the second sliding base 4 are slidably connected to the first guide pillar 210 and the second guide pillar 220, respectively. Meanwhile, a first spring 211 for pushing the first sliding seat 3 to move towards the base 1 is arranged on the first guide pillar 210, one end of the first spring 211 is connected with the supporting frame 2, and the other end is connected with the first sliding seat 3; the second guide post 220 is provided with a second spring 221 for pushing the second sliding seat 4 to move towards the base 1, one end of the second spring 221 is connected with the supporting frame 2, and the other end is connected with the second sliding seat 4. The arrangement of the first guide post 210 and the second guide post 220 enables the first sliding seat 3 and the second sliding seat 4 to more stably slide relative to the supporting frame 2, and the arrangement of the first spring 211 and the second spring 221 enables the first sliding seat 3 and the second sliding seat 4 to be continuously pushed to the piece to be tested, so that the first contact block 310 and the second contact block 410 are ensured to be continuously abutted to the piece to be tested in the vertical direction. It should be understood that in other embodiments, the first guide post 210 and the second guide post 220 may be replaced by other structures, such as a first slide rail and a second slide rail vertically disposed, which is not limited by the present design.

The vertical detection assembly 5 comprises a first detector 510 and a second detector 520, the detection head of the first detector 510 is used for abutting to the first carriage 3, and the detection head of the second detector 520 is used for abutting to the second carriage 4, so that accurate detection of vertical displacement of the first carriage 3 and the second carriage 4 is realized. In this embodiment, the first detector 510 and the second detector 520 are dial indicators, so as to better meet the requirement of accuracy.

In this embodiment, the first slider 3 and the second slider 4 are both provided with a guide rail 320 arranged along the transverse direction, the first contact block 310 is slidably connected to the guide rail 320 of the first slider 3, and the second contact block 410 is slidably connected to the guide rail 320 of the second slider 4, so that the transverse detection assembly 6 can detect the transverse displacement of the first contact block 310 and the second contact block 410 more stably, and the detection accuracy is effectively improved.

Further, in the present embodiment, a third spring 330 is disposed between the first contact block 310 and the second contact block 410, and the third spring 330 is used for pushing the first contact block 310 and the second contact block 410 to be separated, so as to ensure that the first contact block 310 and the second contact block 410 continuously abut against the to-be-tested object in the transverse direction.

As an extension of the above embodiment, the first contact block 310 is provided with a first upper measuring head 313 and a first lower measuring head 314 on the side facing the piece to be measured, and the second contact block 410 is provided with a second upper measuring head 411 and a second lower measuring head 412 on the side facing the piece to be measured. Most of the pieces to be detected are provided with a linear rail structure, the first upper measuring head 313 and the second upper measuring head 411 can be abutted to the upper side of the linear rail, and the first lower measuring head 314 and the second lower measuring head 412 can be abutted to the lower side of the linear rail, so that accurate detection is realized.

In this embodiment, the lateral detecting assembly 6 includes a third detector, the third detector is connected to the second contact block 410, and a detecting head of the third detector is used for abutting against the first contact block 310, so as to detect the lateral displacement of the first contact block 310 relative to the second contact block 410. The third detector is preferably a dial gauge in order to meet the accuracy requirements. Furthermore, a jack 311 may be further disposed on a side surface of the first contact block 310, the jack 311 is disposed toward a detection head of the third detector, a supporting rod 312 capable of moving along the transverse direction is inserted into the jack 311, the supporting rod 312 and the jack 311 are in interference fit, and the detection head of the third detector abuts against the supporting rod 312. The setting up of branch 312 is for making the butt of the detection head of third detector more stable on the one hand, and on the other hand when the model size of awaiting measuring changes, through the horizontal position of the relative jack 311 of adjustment branch 312, can guarantee the butt between the detection head of third detector and branch 312, adjusts simple and conveniently, has promoted the commonality.

Further, in this embodiment, the lateral detection device 7 further includes a lateral detection assembly 7, the lateral detection assembly 7 includes a side frame 710 and a fourth detector 720, one end of the side frame 710 is connected to the first contact block 310, and the other end extends to the side surface of the base 1, the fourth detector 720 is connected to the other end of the side frame 710, and a detection head of the fourth detector 720 is used for abutting against the side surface of the to-be-detected piece, so as to realize effective detection of the flatness of the outer side surface of the to-be-detected piece. The fourth detector 720 is also preferably a dial indicator and to meet the accuracy requirements. One side of the base 1 is provided with a rib 110 for abutting against the side surface of the to-be-detected piece, and the rib 110 is provided with a through groove 111 for the detection head of the fourth detector 720 to pass through. Due to the arrangement of the retaining edge 110, the to-be-detected part can move relative to the base 1 more stably and at a constant angle, and the fourth detector 720 and the first, second and third detectors can accurately detect the to-be-detected part.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the disclosure.

Claims

1. The utility model provides a line rail slider position degree detection mechanism for precision machine tool, is including base (1) that is used for supplying the piece that awaits measuring to place, its characterized in that still includes support frame (2), first slide (3), second slide (4), vertical detection subassembly (5) and horizontal detection subassembly (6), vertical sliding connection is all followed in first slide (3) and second slide (4) in support frame (2), be equipped with on first slide (3) and follow lateral shifting be used for butt joint to the first feeler block (310) of the piece that awaits measuring, be equipped with on second slide (4) and follow lateral shifting be used for butt joint to the second feeler block (410) of the piece that awaits measuring, vertical detection subassembly (5) connect in support frame (2) and be used for detecting the vertical displacement volume of first slide (3) and second slide (4), horizontal detection subassembly (6) are used for detecting the horizontal displacement volume of first feeler block (310) and second feeler block (410).

2. The mechanism for detecting the position degree of the linear rail sliding block for the precision machine tool according to claim 1 is characterized in that the supporting frame (2) is provided with a first guide post (210) and a second guide post (220) which are vertically arranged, the first sliding seat (3) and the second sliding seat (4) are respectively connected with the first guide post (210) and the second guide post (220) in a sliding manner, a first spring (211) for pushing the first sliding seat (3) to move towards the base (1) is arranged on the first guide post (210), and a second spring (221) for pushing the second sliding seat (4) to move towards the base (1) is arranged on the second guide post (220).

3. A wire-rail slide position degree detection mechanism for precision machine tools according to claim 1 or 2, characterized in that the vertical detection assembly (5) comprises a first detector (510) and a second detector (520), the detection head of the first detector (510) being intended to abut against the first slide (3) and the detection head of the second detector (520) being intended to abut against the second slide (4).

4. The mechanism for detecting the position degree of the linear rail sliding block for the precision machine tool according to claim 1 is characterized in that a guide rail (320) arranged along the transverse direction is arranged on each of the first sliding seat (3) and the second sliding seat (4), the first contact block (310) is connected with the guide rail (320) of the first sliding seat (3) in a sliding mode, and the second contact block (410) is connected with the guide rail (320) of the second sliding seat (4) in a sliding mode.

5. The mechanism for detecting the position degree of the linear rail sliding block for the precision machine tool is characterized in that a third spring (330) is arranged between the first contact block (310) and the second contact block (410), and the third spring (330) is used for pushing the first contact block (310) and the second contact block (410) to be separated.

6. The mechanism of claim 4, wherein the first feeler block (310) is provided with a first upper measuring head (313) and a first lower measuring head (314) on the side facing the workpiece, and the second feeler block (410) is provided with a second upper measuring head (411) and a second lower measuring head (412) on the side facing the workpiece.

7. The mechanism of claim 4, wherein the transverse detection assembly (6) comprises a third detector connected to the second contact block (410), the detection head of the third detector being adapted to abut against the first contact block (310).

8. The mechanism of claim 7, wherein the first contact block (310) is provided with a socket (311), the socket (311) is disposed towards the detection head of the third detector, a transversely adjustable support rod (312) is inserted into the socket (311), and the support rod (312) is used for abutting against the detection head of the third detector.

9. The mechanism for detecting the position degree of the linear rail sliding block for the precision machine tool is characterized by further comprising a lateral detection assembly (7), wherein the lateral detection assembly (7) comprises a side frame (710) and a fourth detector (720), one end of the side frame (710) is connected to the first contact block (310) and the other end of the side frame extends to the side face of the base (1), the fourth detector (720) is connected to the other end of the side frame (710), and a detection head of the fourth detector (720) is used for abutting against the side face of the piece to be detected.

10. The mechanism for detecting the position degree of the linear rail sliding block for the precision machine tool according to claim 9, wherein a rib (110) for abutting against the side surface of the piece to be detected is arranged on one side of the base (1), and a through groove (111) for allowing the detection head of the fourth detector (720) to pass through is arranged on the rib (110).