CN210426496U

CN210426496U - Coating thickness detector

Info

Publication number: CN210426496U
Application number: CN201921320495.0U
Authority: CN
Inventors: 李莉娜
Original assignee: Tangshan Hangao Special Equipment Inspection Co Ltd
Current assignee: Tangshan Hangao Special Equipment Inspection Co Ltd
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2020-04-28
Anticipated expiration: 2029-08-15

Abstract

The utility model relates to a calibrator technical field especially relates to a coating thickness detector. The device comprises a design of a detection supporting device, wherein when the thickness of a detection film is measured, a detector is pressed downwards, a detection probe vertically descends under the sliding guide action of a guide block and a guide groove, the lower surface of the detection probe is always kept horizontal, when the detection probe is pressed on the surface of the detection film, no gap is generated between the detection probe and the detection film, and the detection data is accurate; when the thickness measuring instrument is loosened, the detection probe is automatically lifted and reset under the action of the spring, and the whole detection process is simple and convenient to operate; during the detection of a thick object, the knob is loosened, the detector is rotated anticlockwise, the detection probe is lifted under the matching effect of the lock sleeve and the threaded column, and the height of a detection area is increased.

Description

Coating thickness detector

Technical Field

The utility model relates to a calibrator technical field especially relates to a coating thickness detector.

Background

Thickness gauges are instruments used to measure the thickness of materials and objects. It is commonly used in industrial production to measure the thickness of products (such as steel plates, steel strips, films, paper, metal foils, etc.) continuously or by sampling.

Among such meters are radioactive thickness meters using the penetration characteristics of α rays, β rays and gamma rays, ultrasonic thickness meters using the frequency change of ultrasonic waves and eddy current thickness meters using the eddy current principle.

During measurement, a contact of the device is required to be placed on a metal substrate for zero adjustment, then a detection film is placed on the substrate, and the thickness of the detection film is measured by pressing the detection film on the substrate through the contact; sometimes, a certain gap exists between the contact and the detection film due to the fact that the detector and the contact are not placed horizontally during detection, and therefore certain deviation and inaccuracy exist in detection data.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to the technical insufficiency, and a coating thickness detector is provided, by adopting the design of adjusting and detecting the supporting device, when the thickness of the detection film is measured, the detector is pressed downwards, the detection probe vertically descends under the sliding guiding action of the guide block and the guide groove, the lower surface of the detection probe is always kept horizontal, when the detection probe is pressed on the surface of the detection film, no gap is generated between the detection probe and the detection probe, and the detection data is more accurate; when the thickness measuring instrument is loosened, the detection probe is automatically lifted and reset under the action of the spring, and the whole detection process is simple and convenient to operate; during the detection of a thick object, the knob is loosened, the detector is rotated anticlockwise, the detection probe is lifted under the matching effect of the lock sleeve and the threaded column, and the height of a detection area is increased.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the device comprises a film thickness detector, a detection film, a detection substrate and an adjusting and detecting supporting device; the bottom of the film thickness detector is provided with a threaded column; a detection probe is arranged at the bottom of the threaded column; the adjusting and detecting supporting device is arranged below the film thickness detector; the adjusting and detecting support device comprises a lock sleeve, a detecting platform, a spring, a knob and a sealing cover; the detection platform is parallel to the detection probe; a through groove is arranged in the middle of the detection platform in a penetrating manner; a clamping groove is formed in the periphery of the through groove at the top of the detection platform; the detection substrate is fixedly clamped inside the clamping groove; the detection film is placed over a detection substrate.

Further optimizing the technical scheme, the lock sleeve is in threaded connection with the threaded column; a cross brace is arranged in the middle of the right side of the lock sleeve; the bottom of the right side of the cross brace is fixedly provided with an upright post; the upright posts are vertically arranged; and a guide groove is arranged in the vertical direction below the inner part of the upright post.

Further optimizing the technical scheme, the middle part of the right side of the detection platform is provided with a connecting rod; the top of the right end of the connecting rod is provided with a guide rod; the guide rod is vertically arranged; a guide block is arranged at the top of the guide rod; the guide block is connected inside the guide groove in a sliding mode.

Further optimizing the technical scheme, the diameter of the guide block is equal to the inner diameter of the guide groove; the diameter of the guide rod is smaller than that of the guide block.

Further optimizing the technical scheme, the spring is arranged in the guide groove; the top end in the guide groove is connected with the top of the guide block through a spring.

Further optimizing the technical scheme, the sealing cover is fixedly connected to the bottom of the upright post through threads; a through hole is formed in the middle of the sealing cover; the diameter of the through hole is equal to that of the guide rod.

Further optimizing the technical scheme, one side of the middle part of the lock sleeve is provided with a fixing groove in a through way; a screw is arranged on one side of the knob; the screw is in threaded connection with the inside of the fixing groove; the lock sleeve and the threaded column are fixedly locked through a screw.

Compared with the prior art, the utility model has the advantages of it is following:

1. adjust the design that detects strutting arrangement, when measuring the detection film thickness, press the detector downwards, the vertical decline of test probe under guide block and guide way sliding guide effect, the test probe lower surface remains the level throughout, test probe presses down when detecting the membrane surface, can not produce the space between the two, it is more accurate to detect data, when having solved handheld traditional thickness detector and having examined, because of exerting oneself the eccentric contact cause the contact and detect and have certain space between the membrane, thereby cause the not accurate problem of certain deviation in the test data.

2. When the thickness measuring instrument is loosened, the detection probe is automatically lifted and reset under the action of the spring, and the whole detection process is simple and convenient to operate.

3. During the detection of a thick object, the knob is loosened, the detector is rotated anticlockwise, the detection probe is lifted under the matching effect of the lock sleeve and the threaded column, and the height of a detection area is increased.

4. The diameter of the guide block is equal to the inner diameter of the guide groove; the diameter of the guide rod is smaller than that of the guide block, and a through hole is formed in the middle of the sealing cover; the diameter of the through hole is equal to that of the guide rod, and the guide block can be clamped inside the guide groove through the sealing cover.

5. The lock sleeve and the detection platform are connected and guided to be arranged on one side, and the detection film can be pushed into the other side, so that the detection device is suitable for detection of detection films with different shapes.

6. When in detection, the relative lateral movement and the lateral deviation among the detection probe, the detection film and the detection substrate can not occur, and the detection result is more accurate.

7. The detector can be detached from the lock sleeve and detected by the single detector, and the detection principle is the same.

Drawings

FIG. 1 is a schematic view of the front overall installation structure of a cladding thickness detector.

FIG. 2 is a schematic side view of a cladding thickness measuring apparatus.

FIG. 3 is a schematic view of a regulating and detecting support device of a coating thickness detector.

FIG. 4 is a partial cross-sectional view of a guide mounting structure of an adjustment detection support of a cladding thickness detector.

In the figure: 1. a film thickness detector; 101. a threaded post; 102. detecting a probe; 2. a detection membrane; 3. detecting the substrate; 4. adjusting the detection supporting device; 401. a lock sleeve; 402. a detection platform; 403. a spring; 404. a knob; 405. sealing the cover; 406. a through groove; 407. a card slot; 408. a cross brace; 409. a column; 410. a guide groove; 411. a connecting rod; 412. a guide bar; 413. a guide block; 414. a through hole; 415. fixing grooves; 416. and (4) screws.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The first embodiment is as follows: as shown in fig. 1 to 4, a coating thickness measuring apparatus is characterized in that: comprises a film thickness detector 1, a detection film 2, a detection substrate 3 and an adjusting and detecting support device 4; the bottom of the film thickness detector 1 is provided with a threaded column 101; the bottom of the threaded column 101 is provided with a detection probe 102; the adjusting and detecting supporting device 4 is arranged below the film thickness detector 1; the adjusting and detecting support device 4 comprises a lock sleeve 401, a detecting platform 402, a spring 403, a knob 404 and a sealing cover 405; the inspection platform 402 and the inspection probe 102 are parallel; a through groove 406 is arranged in the middle of the detection platform 402 in a penetrating manner; a clamping groove 407 is formed in the periphery of the through groove 406 at the top of the detection platform 402; the detection substrate 3 is fixedly clamped in the clamping groove 407; the detection membrane 2 is placed above the detection substrate 3; the lock sleeve 401 is in threaded connection with the threaded column 101; a cross brace 408 is arranged in the middle of the right side of the lock sleeve 401; the bottom of the right side of the cross brace 408 is fixedly provided with an upright 409; the upright 409 is vertically arranged; a guide groove 410 is vertically arranged below the inner part of the upright 409; the middle part of the right side of the detection platform 402 is provided with a connecting rod 411; a guide rod 412 is arranged at the top of the right end of the connecting rod 411; the guide rod 412 is vertically arranged; a guide block 413 is arranged at the top of the guide rod 412; the guide block 413 is slidably connected inside the guide groove 410; the diameter of the guide block 413 is equal to the inner diameter of the guide groove 410; the diameter of the guide rod 412 is smaller than that of the guide block 413; the spring 403 is installed inside the guide groove 410; the top end of the inner part of the guide groove 410 is connected with the top of the guide block 413 through a spring 403; the sealing cover 405 is fixedly connected to the bottom of the upright 409 through threads; a through hole 414 is arranged in the middle of the sealing cover 405; the diameter of the through hole 414 is equal to the diameter of the guide rod 412; a fixing groove 415 is formed in one side of the middle of the lock sleeve 401 in a penetrating mode; a screw 416 is arranged on one side of the knob 404; the screw 416 is screwed inside the fixing groove 415; the lock sleeve 401 and the threaded column 101 are fixedly locked through a screw 416.

When the film thickness detector 1 is used, in the first step, as shown in fig. 1-4, when the adjustment detection supporting device 4 is used for batch detection, the film thickness detector 1 is put downwards from the top of the lock sleeve 401, so that the threaded column 101 of the film thickness detector 1 is in threaded connection with the inside of the lock sleeve 401, the film thickness detector 1 is rotated clockwise to screw the threaded column 101 into the bottommost part of the lock sleeve 401, and the fixing groove 415 is formed in the middle of the lock sleeve 401 in a penetrating manner; a screw 416 is arranged on one side of the knob 404; the screw 416 is screwed inside the fixing groove 415; the lock sleeve 401 and the threaded column 101 are fixed and locked by the screw 416, so that when the knob 404 on one side is rotated clockwise, the knob 404 drives the screw 416 to move towards the middle of the lock sleeve 401, the threaded column 101 and the lock sleeve 401 can be firmly fixed by the screw 416, and the film thickness detector 1 is fixed on the lock sleeve 401. Put into metal detection base plate 3 in testing platform 402's draw-in groove 407 inside, the upper surface that detects base plate 3 is higher than testing platform 402 upper surface, presses down thick detector 1 of membrane, and thick detector 1 of membrane can drive stand 409 downstream together through lock sleeve 401 and stull 408.

Because' the middle part of the right side of the detection platform 402 is provided with a connecting rod 411; a guide rod 412 is arranged at the top of the right end of the connecting rod 411; the guide rod 412 is vertically arranged; a guide block 413 is arranged at the top of the guide rod 412; the guide block 413 is slidably connected inside the guide groove 410', so that when the cross brace 408 drives the upright 409 to move downwards, the guide groove 410 slides downwards along the guide block 413, and the spring 403 is installed inside the guide groove 410; the top end of the inner part of the guide groove 410 is connected with the top of the guide block 413 through a spring 403', so that the spring 403 is compressed when the upright 409 moves downwards; when the film thickness detector 1 moves downward, the detection probe 102 moves downward together and comes into contact with the detection substrate 3, and when the detection substrate 3 comes into contact with the detection probe 102, the film thickness detector 1 is modulated to zero.

Step two, as shown in fig. 1-4, after the film thickness detector 1 is reset to zero, the film thickness detector 1 is released, the guide groove 410 is pushed to move upwards under the action of the elastic force of the compression spring 403, so that the upright 409, the cross brace 408, the lock sleeve 401 and the film thickness detector 1 are pushed to move upwards together, and the upright 409 drives the sealing cover 405 to move upwards together when moving upwards, so that the diameter of the guide rod 412 is smaller than that of the guide block 413, and the sealing cover 405 is fixedly connected to the bottom of the upright 409 through threads; a through hole 414 is arranged in the middle of the sealing cover 405; the diameter of the through hole 414 is equal to the diameter of the guide rod 412', so that when the cap 405 moves to the position of the guide block 413, the cap 405 blocks the through hole, and the film thickness detector 1 is reset.

At the moment, the detection film 2 is placed above the detection substrate 3, the connecting and guiding positions of the lock sleeve 401 and the detection platform 402 are arranged on one side, and the detection film 2 can be pushed into the other side, so that the detection device is suitable for detection of detection films 2 with different shapes; the film thickness detector 1 is pressed downwards again, the detection probe 102 moves downwards and presses the detection film 2 on the detection substrate 3, the reading of the film thickness detector 1 is the thickness of the detection film 2, and the film thickness detector 1 is pressed repeatedly and records a plurality of readings.

In conclusion, the design of the detection supporting device 4 is adjusted, when the thickness of the detection film 2 is measured, the detector is pressed downwards, the detection probe 102 descends vertically under the sliding guiding action of the guide block 413 and the guide groove 410, the lower surface of the detection probe 102 is always kept horizontal, when the detection probe 102 is pressed on the surface of the detection film 2, no gap is generated between the detection probe 102 and the detection film 2, relative lateral movement and lateral deviation cannot occur between the detection probe 102, the detection film 2 and the detection substrate 3 during detection, the detection data is accurate, and the problem that when the traditional handheld thickness detector is used for detection, a certain gap exists between the contact and the detection film due to eccentric force is solved, and therefore the detection data has a certain deviation and is inaccurate is caused.

When a thicker workpiece is detected, the knob 404 on one side of the lock sleeve 401 is loosened, the film thickness detector 1 is rotated anticlockwise, the detection probe 102 is lifted upwards, the initial distance between the detection probe 102 and the detection substrate 3 is increased, and the thickness range of a detection area is increased; when the detection probe 102 is adjusted to a proper position, the threaded column 101 is fixed and locked through the knob 404.

The detector can also be detached from the lock sleeve 401, and the detection is carried out by a single detector, and the detection principle is the same.

The utility model discloses a control mode comes automatic control through the controller, and the control circuit of controller can realize through the simple programming of technical staff in this field, belongs to the common general knowledge in this field, and the utility model discloses mainly be used for protecting mechanical device, so the utility model discloses no longer explain control mode and circuit connection in detail.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A cladding thickness detector is characterized in that: comprises a film thickness detector (1), a detection film (2), a detection substrate (3) and an adjusting and detecting supporting device (4); the bottom of the film thickness detector (1) is provided with a threaded column (101); the bottom of the threaded column (101) is provided with a detection probe (102); the adjusting and detecting supporting device (4) is arranged below the film thickness detector (1); the adjusting and detecting support device (4) comprises a lock sleeve (401), a detecting platform (402), a spring (403), a knob (404) and a sealing cover (405); the detection platform (402) and the detection probe (102) are parallel; a through groove (406) is arranged in the middle of the detection platform (402) in a penetrating manner; a clamping groove (407) is formed in the periphery of the through groove (406) at the top of the detection platform (402); the detection substrate (3) is fixedly clamped in the clamping groove (407); the detection film (2) is placed above the detection substrate (3).

2. A cladding thickness measuring instrument according to claim 1, wherein: the lock sleeve (401) is in threaded connection with the threaded column (101); a cross brace (408) is arranged in the middle of the right side of the lock sleeve (401); the bottom of the right side of the cross brace (408) is fixedly provided with an upright post (409); the upright post (409) is vertically arranged; a guide groove (410) is arranged in the vertical direction at the lower part of the inner part of the upright post (409).

3. A cladding thickness measuring instrument according to claim 2, wherein: the middle part of the right side of the detection platform (402) is provided with a connecting rod (411); the top of the right end of the connecting rod (411) is provided with a guide rod (412); the guide rod (412) is vertically arranged; the top of the guide rod (412) is provided with a guide block (413); the guide block (413) is connected inside the guide groove (410) in a sliding mode.

4. A cladding thickness measuring instrument according to claim 3, wherein: the diameter of the guide block (413) is equal to the inner diameter of the guide groove (410); the diameter of the guide rod (412) is smaller than that of the guide block (413).

5. A cladding thickness measuring instrument according to claim 3, wherein: the spring (403) is arranged inside the guide groove (410); the top end of the inner part of the guide groove (410) is connected with the top of the guide block (413) through a spring (403).

6. A cladding thickness measuring instrument according to claim 3, wherein: the sealing cover (405) is fixedly connected to the bottom of the upright post (409) in a threaded manner; a through hole (414) is formed in the middle of the sealing cover (405); the diameter of the through hole (414) is equal to the diameter of the guide rod (412).

7. A cladding thickness measuring instrument according to claim 1, wherein: a fixing groove (415) is arranged on one side of the middle part of the lock sleeve (401) in a penetrating manner; a screw (416) is arranged on one side of the knob (404); the screw (416) is in threaded connection with the inside of the fixing groove (415); the lock sleeve (401) and the threaded column (101) are fixedly locked through a screw (416).