CN210128688U

CN210128688U - Laser detection device

Info

Publication number: CN210128688U
Application number: CN201822237045.7U
Authority: CN
Inventors: 吴加富; 缪磊; 何建永; 王鹏
Original assignee: Suzhou RS Technology Co Ltd
Current assignee: Suzhou RS Technology Co Ltd
Priority date: 2018-12-28
Filing date: 2018-12-28
Publication date: 2020-03-06
Anticipated expiration: 2028-12-28

Abstract

The utility model discloses a laser detection device, include: the device comprises a laser component, a plurality of grating scales and a plurality of relays connected between the laser component and the grating scales; each grating ruler is connected with the laser assembly through a corresponding relay, and the relays are used for controlling the switching between the laser assembly and the corresponding grating ruler. The utility model discloses a laser detection device passes through the break-make between relay control switching laser subassembly and the grating chi that corresponds, and equipment need measure which part at the during operation, only need switch the relay that corresponds can to can realize the measurement on the product multiple sides through a laser subassembly, can practice thrift the cost, reduce installation space, and be convenient for control. The utility model discloses the angle of the accurate laser emitter of adjusting of ability of being convenient for does benefit to the measuring and goes on and measurement accuracy's improvement. The utility model discloses simple structure, it is convenient to measure, excellent in use effect has fine application prospect.

Description

Laser detection device

Technical Field

The utility model relates to a laser detection field, in particular to laser detection device.

Background

Along with the progress of modern industrial production and society, the processing and manufacturing precision of product are constantly promoting, and the requirement of enterprise to the product quality is also constantly improving, and what accompanies is that the detection requirement to the product of making is also constantly strengthening to guarantee that the product reaches preset precision requirement, in addition the while will realize quick accelerated detection, in order to satisfy the demand of production speed. At present, when laser is used for detection, a grating ruler (encoder) outside the laser is triggered to basically use one-to-one independent control (one laser corresponds to one grating ruler), for example, when a product has four edges to be detected, four grating rulers on the four edges of the product are required to correspond to four lasers, and then the detection of the four edges can be realized.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to the not enough among the above-mentioned prior art, provide a laser detection device.

In order to solve the technical problem, the utility model discloses a technical scheme is: a laser inspection device, comprising: the device comprises a laser component, a plurality of grating scales and a plurality of relays connected between the laser component and the grating scales;

each grating ruler is connected with the laser assembly through a corresponding relay, and the relays are used for controlling the switching between the laser assembly and the corresponding grating ruler.

Preferably, the device further comprises a support, a sample detection table arranged on the support and a slide rail arranged on the support.

Preferably, the number of the laser assemblies is one, and the number of the grating rulers and the number of the relays are four.

Preferably, the four grating rulers are annularly arranged on the sample detection table, the slide rail comprises four linear guide rails annularly arranged, and the slide rail is arranged above the grating rulers in a matching manner.

Preferably, the laser assembly comprises a sliding block arranged on the sliding rail in a sliding manner, a connecting block arranged on the sliding block, a laser emitter arranged on the connecting block, and a plurality of adjusting devices arranged between the sliding block and the connecting block.

Preferably, the adjusting device comprises a nut seat fixedly connected to the surface of the slider, a screw rod arranged in a nut hole formed in the nut seat in a penetrating manner in a matching manner, a rotating disk connected with one end of the screw rod, a limiting disk fixedly connected to the other end of the screw rod, a wedge block matched with the limiting disk and a stepped hole formed in the wedge block.

Preferably, the stepped hole comprises a small hole section and a large hole section, wherein the small hole section is used for the lead screw to penetrate through, the large hole section is used for accommodating the limiting disc, a gap is reserved between the lead screw and the small hole section, and a gap is reserved between the limiting disc and the large hole section, so that one end of the limiting disc and one end of the lead screw connected with the limiting disc can be rotatably arranged in the stepped hole.

Preferably, the connecting block is connected to the sliding block through a stud, and a plurality of wedge grooves matched with the wedge blocks are formed in the bottom of the connecting block.

Preferably, the bottom of the sliding block is provided with a T-shaped block, and the sliding rail is provided with a T-shaped groove matched with the T-shaped block.

Preferably, a spring is further arranged between the sliding block and the connecting block, one end of the spring is connected with the inner wall of the top of the wedge-shaped groove, and the other end of the spring is connected with the surface of the sliding block.

The utility model has the advantages that: the utility model discloses a laser detection device passes through the break-make between relay control switching laser subassembly and the grating chi that corresponds, and equipment need measure which part at the during operation, only need switch the relay that corresponds can to can realize the measurement on the product multiple sides through a laser subassembly, can practice thrift the cost, reduce installation space, and be convenient for control. The utility model discloses the angle of the accurate laser emitter of adjusting of ability of being convenient for does benefit to the measuring and goes on and measurement accuracy's improvement. The utility model discloses simple structure, it is convenient to measure, excellent in use effect has fine application prospect.

Drawings

Fig. 1 is a schematic structural view of the laser detection device of the present invention;

fig. 2 is a schematic view illustrating a connection relationship between a laser assembly and a grating scale according to an embodiment of the present invention;

fig. 3 is a schematic side view of the laser module according to the present invention;

fig. 4 is a schematic structural view of the laser module according to the present invention in a front view direction;

fig. 5 is an enlarged schematic structural view of the laser module of the present invention;

fig. 6 is a schematic structural view of a wedge of the present invention;

fig. 7 is a schematic structural view of the slide rail of the present invention;

fig. 8 is a top view of the slide rail of the present invention;

fig. 9 is a top view of the sample testing table of the present invention.

Description of reference numerals:

1-a support; 2-a sample detection table; 3, a slide rail; 4-a laser assembly; 5, grating ruler; 6, a relay; 7-a spring; 8, mounting a frame; 30-a T-shaped slot; 40, a sliding block; 41-connecting block; 42-a laser emitter; 43-an adjustment device; 44-nut seat; 440-nut hole; 45-screw mandrel; 46-rotating disc; 47-limit circle; 48-wedge-shaped blocks; 49-a stepped hole; 400-T shaped block; 410-wedge shaped groove; 411 — stud; 420-a transmitter head; 490-a small pore section; 491-large hole section.

Detailed Description

The present invention is further described in detail below with reference to examples so that those skilled in the art can implement the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 1 to 9, a laser detection device of the present embodiment includes: the device comprises a laser component 4, a plurality of grating scales 5 and a plurality of relays 6 connected between the laser component 4 and the grating scales 5;

each grating ruler 5 is connected with the laser assembly 4 through a corresponding relay 6, and the relays 6 are used for controlling the on-off of the switching laser assembly 4 and the corresponding grating ruler 5. When the device works, which part needs to be measured, only the corresponding relay 6 needs to be switched. Referring to fig. 2, a schematic diagram of the connection relationship between the laser assembly 4, the relay 6 and the grating ruler 5 is shown.

The laser detection device further comprises a support 1, a sample detection platform 2 arranged on the support 1 and a sliding rail 3 arranged on the support 1.

In one embodiment, there are one laser assembly 4 and four grating scales 5 and four relays 6. Four grating rulers 5 are arranged on the sample detection platform 2 in an annular manner, the slide rail 3 comprises four linear guide rails which are arranged in an annular manner, and the slide rail 3 is arranged above the grating rulers 5 in a matching manner.

In the embodiment, when the laser detection device works, a sample to be detected is placed on the sample detection table 2, the grating ruler 5 is positioned at one side of four edges of the sample, and the laser assembly 4 slides on the slide rail 3 to detect the size of the four edges of the sample. During detection, the laser assembly 4 needs to be triggered by the grating ruler 5, namely the grating ruler 5 sends a command to the laser assembly 4, and the laser assembly 4 detects the position corresponding to a product according to the command. When the size of one edge of the sample needs to be detected, the relay 6 between the corresponding grating ruler 5 on the edge and the laser assembly 4 is closed, the laser assembly 4 receives the command sent by the grating ruler 5, slides to the slide rail 3 above the edge, emits laser, detects the edge, and the relay 6 connected with other grating rulers 5 is disconnected. When the other side of the sample needs to be detected, the laser assembly 4 is switched to be connected to the grating ruler 5 corresponding to the other side, the grating ruler is disconnected from other grating rulers 5, and the laser assembly 4 simultaneously slides onto the sliding rail 3 corresponding to the upper side of the other side, so that the other side can be detected. The on-off switching of the connection between the laser assembly 4 and the four grating rulers 5 is realized through the relay 6, so that the size (or more edges) of the four edges of the sample can be measured by using one laser assembly 4 (one laser reflector). Thereby saving cost, reducing installation space and being convenient for control.

The laser assembly 4 includes a sliding block 40 slidably disposed on the sliding rail 3, a connecting block 41 disposed on the sliding block 40, a laser emitter 42 disposed on the connecting block 41, and a plurality of adjusting devices 43 disposed between the sliding block 40 and the connecting block 41. The connecting block 41 is connected to the slider 40 by a stud 411. The head 420 of the laser transmitter 42 protrudes from the side of the connection block 41 to emit laser light.

The slide rail 3 is fixed on the bracket 1 through a mounting rack 8.

The bottom of the slide block 40 is provided with a T-shaped block 400, and the slide rail 3 is provided with a T-shaped groove 30 matched with the T-shaped block 400. The sliding block 40 is arranged in the T-shaped groove 30 of the sliding rail 3 through the matching of the T-shaped block 400 at the bottom so as to slide back and forth on the sliding rail 3, and the sliding block 40 can slide on the sliding rail 3 more stably through the matching of the T-shaped block 400 and the T-shaped groove 30.

The adjusting device 43 is used to adjust the angle or the flatness of the laser emitter 42 of the laser assembly 4, so as to improve the detection accuracy and facilitate the measurement. The laser emitter 42 emits laser light, and cooperates with the grating ruler 5 to measure whether the external dimension of the sample meets the requirement. The angle of the laser emitter 42 is adjusted through the adjusting device 43, so that measurement is facilitated, the measurement range can be further improved, and in addition, the improvement of the detection precision can be facilitated by adjusting the angle of the emitted laser.

The adjusting device 43 comprises a nut seat 44 fixedly connected to the surface of the slider 40, a screw rod 45 fittingly inserted into a nut hole 440 formed in the nut seat 44, a rotating disk 46 connected with one end of the screw rod 45, a limiting circle 47 disk fixedly connected to the other end of the screw rod 45, a wedge-shaped block 48 for fitting with the limiting circle 47 disk, and a stepped hole 49 formed in the wedge-shaped block 48. The stepped hole 49 comprises a small hole section 490 and a large hole section 491, wherein the small hole section 490 is formed from outside to inside in sequence and used for the screw rod 45 to pass through, the large hole section 491 is used for accommodating the limiting circle 47 disc, a gap is reserved between the screw rod 45 and the small hole section 490, and a gap is reserved between the limiting circle 47 disc and the large hole section 491, so that the limiting circle 47 disc and one end of the screw rod 45 connected with the limiting circle 47 disc can be rotatably arranged in the stepped hole 49. The bottom of the connecting block 41 is provided with a plurality of wedge grooves 410 matched with the wedge blocks 48. A spring 7 is further arranged between the sliding block 40 and the connecting block 41, one end of the spring 7 is connected with the inner wall of the top of the wedge-shaped groove 410, the other end of the spring 7 is connected with the surface of the sliding block 40, and the spring 7 pulls the connecting block 41 downwards towards the sliding block 40 for improving return power for the connecting block 41.

The adjusting device 43 adjusts the angle of the laser transmitter 42 by adjusting the angle between the connecting block 41 and the slider 40. Specifically, with reference to fig. 3 and 5: for example, when the right end of the connecting block 41 needs to be heightened, the stud 411 is firstly loosened to enable the connecting block 41 to move on the slider 40, the rotating disc 46 is rotated to drive the screw rod 45 to rotate, due to the fact that the nut is fixed, the other end of the screw rod 45 moves linearly leftwards, the wedge block 48 is pushed to move leftwards through the limiting circle 47 on the movable end of the screw rod 45, the wedge block 48 moves towards the wedge groove 410 and abuts against the wedge groove 410, the connecting block 41 moves slightly upwards to raise the right end of the connecting block 41, the emitting head 420 of the laser emitter 42 inclines towards the slider 40 side, and then the stud 411 is screwed to enable the connecting block 41 to be fixed on the slider 40. When the right end of the connecting block 41 needs to be lowered, the rotating disc 46 is rotated reversely to drive the screw rod 45 to rotate, the movable end of the screw rod 45 moves rightwards, the wedge block 48 is pulled rightwards through the limiting circle 47 disc on the movable end of the screw rod 45, the wedge block 48 moves outwards from the wedge groove 410, the working platform spring 7 is enabled to move downwards slightly under the action of return elasticity, therefore, the right end of the connecting block 41 is lowered, the transmitting head 420 of the laser transmitter 42 inclines oppositely to the side of the sliding block 40, and then the stud 411 is screwed, so that the connecting block 41 is fixed on the sliding block 40. The angle adjustment of the laser transmitter 42 is realized by the angle adjustment of the connection block 41.

Through lead screw 45 and nut cooperation, convert the lead screw 45 rotation into the horizontal displacement of lead screw 45, promote wedge 48 horizontal motion, rethread wedge 48 and the cooperation of wedge Cao 410 convert the big horizontal displacement of wedge 48 into the little vertical displacement of connecting block 41 of wedge Cao 410 department to can realize the accurate regulation of connecting block 41 vertical displacement, thereby the angle of accurate adjustment laser emitter 42. By the plurality of flat adjusting devices 43 disposed between the connecting block 41 and the slider 40 at uniform intervals, precise adjustment of the angle of the laser emitter 42 is achieved to facilitate detection and improve detection accuracy.

While the embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields where the invention is suitable, and further modifications may readily be made by those skilled in the art, and the invention is therefore not limited to the specific details without departing from the general concept defined by the claims and the scope of equivalents.

Claims

1. A laser inspection device, comprising: the device comprises a laser component, a plurality of grating scales and a plurality of relays connected between the laser component and the grating scales;

2. The laser detection device according to claim 1, further comprising a support, a sample detection platform disposed on the support, and a slide rail disposed on the support.

3. The laser detection device according to claim 2, wherein the number of the laser assemblies is one, and the number of the grating rulers and the number of the relays are four.

4. The laser detection device according to claim 3, wherein the four grating rulers are annularly disposed on the sample detection platform, and the slide rail includes four linear guide rails annularly disposed, and the slide rail is cooperatively disposed above the grating rulers.

5. The laser detection device according to claim 2, wherein the laser assembly comprises a sliding block slidably disposed on the sliding rail, a connecting block disposed on the sliding block, a laser emitter disposed on the connecting block, and a plurality of adjustment devices disposed between the sliding block and the connecting block.

6. The laser detection device according to claim 5, wherein the adjustment device comprises a nut seat fixedly connected to the surface of the slider, a screw rod fittingly inserted into a nut hole formed in the nut seat, a rotary disk connected to one end of the screw rod, a limiting disk fixedly connected to the other end of the screw rod, a wedge block for fitting with the limiting disk, and a stepped hole formed in the wedge block.

7. The laser detection device according to claim 6, wherein the stepped hole includes a small hole section for the screw rod to pass through and a large hole section for accommodating the limiting disc, which are sequentially opened from outside to inside, a gap is left between the screw rod and the small hole section, and a gap is left between the limiting disc and the large hole section, so that the limiting disc and one end of the screw rod connected with the limiting disc are rotatably disposed in the stepped hole.

8. The laser detection device according to claim 7, wherein the connecting block is connected to the slider by a stud, and a plurality of wedge grooves engaged with the wedge blocks are formed at the bottom of the connecting block.

9. The laser detection device according to claim 5, wherein a T-shaped block is arranged at the bottom of the slider, and a T-shaped groove matched with the T-shaped block is formed in the slide rail.

10. The laser detection device according to claim 5, wherein a spring is further disposed between the slider and the connecting block, one end of the spring is connected to the inner wall of the top of the wedge-shaped groove, and the other end of the spring is connected to the surface of the slider.