CN211504063U

CN211504063U - Small-fall height detection assembly

Info

Publication number: CN211504063U
Application number: CN201922489575.5U
Authority: CN
Inventors: 郑建刚; 任超
Original assignee: Polygon Automation Technology Chengdu Co ltd
Current assignee: Polygon Automation Technology Chengdu Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-15
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a little drop height detection subassembly belongs to structure detection technical field. A small drop height detection assembly comprising: the device comprises a bracket, a mounting plate and a power device, wherein the mounting plate and the power device are arranged on the bracket; the mounting plate is connected with the bracket in a sliding manner and is connected with the power device; the mounting plate is provided with a detection assembly; the detection assembly comprises a guide block, a detection rod, an amplification rod and a sensor; the guide block is arranged on the mounting plate; the detection rod penetrates through the guide block and is in sliding connection with the guide block; the amplification rod is connected with the mounting plate and the detection rod through a first rotating shaft and a second rotating shaft, respectively, and the amplification rod is close to the sensor. The utility model discloses a lever principle is the big displacement of amplifying the displacement amplification of test bar, and then also amplifies the little height of boss, detects through the sensor to the position change such as inspection hole or detection arch on the amplifying rod, realizes having or not detecting of boss.

Description

Small-fall height detection assembly

Technical Field

The utility model relates to a structure detects technical field, concretely relates to little drop height detection subassembly.

Background

When the assembly of all kinds of connector products of production for distinguish the product supplied materials compounding, and adopt the compounding to detect and distinguish product series compounding, can set up the boss of high drop in 0.4 ~ 1mm in the product outside usually, simultaneously, the product can be carried the seat parcel when detecting, need pass this moment and carry a preformed hole to detect the boss, be used for distinguishing the product. Because the boss is less, and the preformed hole is also less, and traditional mechanism can't directly detect, adopts photoelectric sensor to detect the difficulty, and CCD image detects with high costs, and the erroneous judgement is higher.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a little drop height detection subassembly to solve the current problem that is used for distinguishing the little high boss of product and is not convenient for detect.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

a small drop height detection assembly comprising: the device comprises a bracket, a mounting plate and a power device, wherein the mounting plate and the power device are arranged on the bracket; the mounting plate is connected with the bracket in a sliding manner and is connected with the power device; the mounting plate is provided with a detection assembly; the detection assembly comprises a guide block, a detection rod, an amplification rod and a sensor; the guide block is arranged on the mounting plate; the detection rod penetrates through the guide block and is in sliding connection with the guide block; the amplification rod is connected with the mounting plate and the detection rod through a first rotating shaft and a second rotating shaft, respectively, and the amplification rod is close to the sensor.

The utility model discloses a test bar can slide in the guide block when meetting the product, makes the amplification pole take place to rotate through first rotation axis and second rotation axis to amplify the displacement of test bar for the big displacement of amplification pole through lever principle, and then also amplify the little height of boss, detect through the sensor to the position change such as the inspection hole or detection arch on the amplification pole, realize the boss have or not to detect.

When detecting, the check rod stretches into in the preformed hole under power device's drive, and contact with the product, power device continues the motion, can drive the mounting panel and advance the distance of setting for, the check rod can slide in the guide block under the blockking of product, make the pole of amplifying rotate around first rotation axis through the second rotation axis, thereby turn into the big displacement of amplifying the pole with the little displacement of check rod, detect through the sensor to the change of position such as check hole or detection arch on the pole of amplifying, and compare with the standard value, can distinguish whether the product has little high boss, the realization is to the detection of little drop height. After the displacement is amplified, the sensor independently detects the amplification rod with large displacement, so that the detection can be quickly and accurately carried out, and the defects of a conventional detection mode can be avoided.

Furthermore, the extending direction of the detection rod is consistent with the sliding direction between the mounting plate and the bracket; the detection rod comprises a detection head and a connecting rod which are connected with each other at the end part; the connecting rod passes through the guide block and is connected with the amplifying rod through a second rotating shaft.

The utility model discloses a detection head is arranged in stretching into the preformed hole and with the product contact, and the extending direction of measuring staff is unanimous with the slip direction between mounting panel and the support, can guarantee that the pore wall of detection head and preformed hole can not take place to interfere, guarantees the accuracy that detects.

Furthermore, a first limiting block in contact with the guide block is arranged on the connecting rod, and the guide block is located between the detection head and the first limiting block.

The utility model discloses a when first stopper and guide block contact, before can guaranteeing to detect at every turn, relative position between measuring bar and the guide block is certain, and the initial position of measuring bar is certain promptly.

Furthermore, the amplifying rod and the connecting rod are arranged in a crossed mode, one end of the amplifying rod is connected with the connecting rod, the other end of the amplifying rod is arranged close to the sensor, and the middle of the amplifying rod is connected with the mounting plate.

The utility model discloses an when enlarging the pole and connecting rod alternately, be convenient for enlarge pole and connecting rod formation lever, be convenient for enlarge the pole and rotate around first rotation axis.

Further, the first rotating shaft is near one end of the amplifying rod connected with the connecting rod.

The utility model discloses first rotation axis is close to the one end that the amplification pole is connected with the connecting rod, can guarantee that the amplification pole realizes enlargiing the displacement of test bar, the measurement of the sensor of being convenient for.

Furthermore, the detection assembly also comprises a stabilizing block arranged on the mounting plate; the amplifying rod passes through the stabilizing block, and two ends of the first rotating shaft are respectively connected with the stabilizing block and the mounting plate.

The utility model discloses a stable piece is used for carrying on spacingly to the top of first rotation axis, forms the fixed mode in both ends, avoids first rotation axis to form the cantilever beam form and the biasing appears, influences the problem that detects the accuracy.

Furthermore, a third limiting block is arranged on the stabilizing block, and the connecting rod penetrates through the third limiting block.

The utility model discloses a stable piece still is used for spacing to the connecting rod, avoids connecting rod suspension overlength and lateral shifting to appear, influences the problem that detects the accuracy.

Furthermore, a spring is sleeved on the connecting rod; the two ends of the spring are respectively contacted with the first limiting block and the third limiting block.

The utility model discloses a spring is used for reseing to the connecting rod, and when examining test bar slides in the guide block, first stopper and guide block separation, the spring is compressed, and after detecting the completion, the spring resets, and test bar reverse movement is up to first stopper and guide block contact to make the test bar get back to initial position.

Furthermore, the bracket comprises a fixed plate, a supporting plate and a bottom plate which are sequentially connected from top to bottom, and the mounting plate and the power device are arranged on the fixed plate; a fourth limiting block and a fifth limiting block are respectively arranged on two sides of the fixing plate along the sliding direction of the mounting plate; and the mounting plate is respectively provided with a sixth limiting block along the two sides of the sliding direction of the mounting plate, and the sixth limiting blocks are positioned between the fourth limiting blocks and the fifth limiting blocks.

The utility model discloses a mounting panel passes through the restriction of sixth stopper between fourth stopper and fifth stopper, and when sixth stopper contacted with fourth stopper and fifth stopper respectively, initial position and final position for the mounting panel were promptly to make the distance of mounting panel motion certain, improve the accuracy that detects.

Further, the power device is a power source cylinder.

The utility model discloses following beneficial effect has:

Drawings

Fig. 1 is a schematic structural view of the small drop height detection assembly of the present invention;

fig. 2 is a schematic perspective view of the detecting assembly of the present invention;

fig. 3 is a schematic sectional structure diagram of the detecting assembly of the present invention.

In the figure: 10-a scaffold; 11-a fixed plate; 12-a support plate; 13-a base plate; 14-a fourth stopper; 15-a fifth limiting block; 20-mounting a plate; 21-a sixth limiting block; 30-a power plant; 40-a detection component; 41-a guide block; 42-a detection rod; 43-an enlarged rod; 44-a sensor; 45-a first axis of rotation; 46-a second axis of rotation; 47-stabilization block; 421-a detection head; 422-connecting rod; 423-first limiting block; 424-spring; 471-third limiting block.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1, a small drop height detection assembly includes: a bracket 10, and a mounting plate 20 and a power device 30 arranged on the bracket 10. The mounting plate 20 is slidably connected to the bracket 10, the mounting plate 20 is connected to the power device 30, the detecting element 40 is disposed on the mounting plate 20, and the power device 30 drives the mounting plate 20 to slide on the bracket 10, so as to drive the detecting element 40 to detect. In the present embodiment, the power unit 30 is a power source cylinder.

The bracket 10 includes a fixing plate 11, a support plate 12, and a base plate 13 connected in this order from top to bottom. The top of the fixed plate 11 is provided with a slider, and the two sides of the fixed plate 11 along the sliding direction of the mounting plate 20 are respectively provided with a fourth limiting block 14 and a fifth limiting block 15.

The bottom of the mounting plate 20 is provided with a chute which is matched with the slide block. The mounting plate 20 is provided with sixth stoppers 21 on both sides in the sliding direction thereof, and the sixth stoppers 21 are located between the fourth stopper 14 and the fifth stopper 15. When the sixth limiting block 21 contacts with the fourth limiting block 14 and the fifth limiting block 15, the initial position and the final position of the mounting plate 20 on the fixing plate 11 are respectively, so that the displacement of the mounting plate 20 is constant, and the accuracy of detection is ensured.

Referring to fig. 2 and 3, the detecting assembly 40 includes a guide block 41, a detecting lever 42, an amplifying lever 43, and a sensor 44. The guide block 41 is fixedly installed on the mounting plate 20, and the guide block 41 is provided with a through hole.

The extension direction of the detection rod 42 is identical to the sliding direction between the mounting plate 20 and the fixing plate 11, the detection rod 42 includes a detection rod 421 and a connection rod 422 connected at the ends, and the connection rod 422 passes through the through hole of the guide block 41 and can slide in the through hole. The detection lever 42 is provided with a first stopper 423 and a spring 424. The first stopper 423 contacts the guide block 41, and the guide block 41 is located between the first stopper 423 and the detection lever 421. The spring 424 is located outside the guide block 41, and has one end contacting the first stopper 423 and the other end stopped by another component in the detection assembly 40 or a stopper plate provided on the bracket 10.

The amplification lever 43 is disposed to intersect the detection lever 42, the middle portion of the amplification lever 43 is connected to the mounting plate 20 through the first rotation shaft 45, one end of the amplification lever 43 is connected to the connection rod 422 through the second rotation shaft 46, and the other end of the amplification lever 43 is disposed near the sensor 44. The first rotating shaft 45 is near one end of the amplification lever 43 connected to the connection rod 422. In the present embodiment, the connecting rod 422 is connected to the amplification lever 43 at a position away from the end of the detection lever 421; the sensor 44 is fixedly mounted on the mounting plate 20. In other embodiments of the present invention, the positions of the first rotating shaft 45 and the second rotating shaft 46 can be interchanged, and at this time, it is necessary to satisfy that the distance between the second rotating shaft 46 and the first rotating shaft 45 is less than the distance between the second rotating shaft 46 and the end of the amplifying rod 43 close to the sensor 44.

To improve the accuracy of the test, the test assembly 40 further includes a stabilizing block 47 fixedly mounted on the mounting plate 20. Both ends of the first rotating shaft 45 are connected to the mounting plate 20 and the stabilizing block 47, respectively, and the amplification lever 43 passes through the stabilizing block 47 and is rotatably connected to the first rotating shaft 45. The stabilizing block 47 is provided with a third limiting block 471, and the connecting rod 422 passes through the third limiting block 471, so that the connecting rod 422 is prevented from being suspended too long and moving transversely. Meanwhile, in this embodiment, the third limiting block 471 can also be used as a limiting member of the spring 424, and at this time, two ends of the spring 424 are respectively contacted with the first limiting block 423 and the third limiting block 471.

The detection process of the small drop height detection assembly is as follows: (1) before detection, the sixth limiting block 21 is contacted with the fourth limiting block 14, and the first limiting block 423 is contacted with the guide block 41; (2) during detection, the mounting plate 20 slides on the fixing plate 11 under the driving of the power device 30, and the detection rod 421 enters the preformed hole of the carrier seat under the driving of the mounting plate 20 and contacts with a product; (3) the power device 30 continues to move, and drives the mounting plate 20 to advance for a set distance until the sixth limiting block 21 contacts the fifth limiting block 15, at this time, the detection rod 42 slides in the guide block 41 under the blocking of the product, the first limiting block 423 is separated from the guide block 41, and the spring 424 is compressed; (4) the axial movement of the detection rod 42 enables the amplification rod 43 to rotate around the first rotating shaft 45 through the linkage of the first rotating shaft 45 and the second rotating shaft 46, so that the small displacement of the detection rod 42 is converted into the large displacement of the amplification rod 43 through the lever principle, the large displacement of the amplification rod 43 is detected through the sensor 44, whether a product has a boss with a small height can be distinguished, and the detection of the small fall height is realized; (5) the fixing plate 11 moves reversely, the spring 424 is reset, and the whole device is restored to the initial position.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A small drop height detection assembly, comprising: the device comprises a bracket (10), and a mounting plate (20) and a power device (30) which are arranged on the bracket (10); the mounting plate (20) is connected with the bracket (10) in a sliding way, and the mounting plate (20) is connected with the power device (30); a detection assembly (40) is arranged on the mounting plate (20); the detection assembly (40) comprises a guide block (41), a detection rod (42), an amplification rod (43) and a sensor (44); the guide block (41) is arranged on the mounting plate (20); the detection rod (42) penetrates through the guide block (41) and is connected with the guide block (41) in a sliding mode; the amplification lever (43) is connected to the mounting plate (20) and the detection lever (42) through a first rotation shaft (45) and a second rotation shaft (46), respectively, and the amplification lever (43) is close to the sensor (44).

2. The low drop height detection assembly of claim 1, wherein the extension direction of the detection bar (42) coincides with the sliding direction between the mounting plate (20) and the bracket (10); the detection rod (42) comprises a detection head (421) and a connecting rod (422) which are connected at the ends; the connection rod (422) passes through the guide block (41) and is connected to the amplification rod (43) through the second rotation shaft (46).

3. The small drop height detection assembly according to claim 2, wherein a first stopper (423) contacting the guide block (41) is provided on the connection rod (422), and the guide block (41) is located between the detection head (421) and the first stopper (423).

4. The small drop height detecting assembly according to claim 3, wherein the amplification lever (43) is disposed to intersect the connection rod (422), one end of the amplification lever (43) is connected to the connection rod (422), the other end of the amplification lever (43) is disposed near the sensor (44), and the middle portion of the amplification lever (43) is connected to the mounting plate (20).

5. The small drop height detection assembly of claim 4, wherein the first rotation axis (45) is near an end of the amplification lever (43) connected to the connection lever (422).

6. The small drop height detection assembly of claim 5, wherein the detection assembly (40) further comprises a stabilizing block (47) disposed on the mounting plate (20); the amplifying rod (43) penetrates through the stabilizing block (47), and two ends of the first rotating shaft (45) are respectively connected with the stabilizing block (47) and the mounting plate (20).

7. The small drop height detection assembly according to claim 6, wherein a third stop block (471) is disposed on the stabilizing block (47), and the connecting rod (422) passes through the third stop block (471).

8. The small drop height detection assembly of claim 7, wherein the connecting rod (422) is sleeved with a spring (424); two ends of the spring (424) are respectively contacted with the first limit block (423) and the third limit block (471).

9. The small drop height detection assembly according to any one of claims 1 to 8, wherein the bracket (10) comprises a fixed plate (11), a support plate (12) and a bottom plate (13) which are connected in sequence from top to bottom, and the mounting plate (20) and the power device (30) are arranged on the fixed plate (11); a fourth limiting block (14) and a fifth limiting block (15) are respectively arranged on two sides of the fixing plate (11) along the sliding direction of the mounting plate (20); the mounting plate (20) is provided with sixth limiting blocks (21) along two sides of the sliding direction of the mounting plate respectively, and the sixth limiting blocks (21) are located between the fourth limiting blocks (14) and the fifth limiting blocks (15).

10. The small drop height detection assembly of claim 9, wherein the power device (30) is a power source cylinder.