CN216115952U - Blind groove depth detection tool - Google Patents
Blind groove depth detection tool Download PDFInfo
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- CN216115952U CN216115952U CN202122625201.9U CN202122625201U CN216115952U CN 216115952 U CN216115952 U CN 216115952U CN 202122625201 U CN202122625201 U CN 202122625201U CN 216115952 U CN216115952 U CN 216115952U
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Abstract
The utility model discloses a blind groove depth detection tool which comprises a workbench (1), wherein two positioning columns (2) are fixedly arranged on the top surface of the workbench (1), a left vertical plate (3) and a right vertical plate (4) are fixedly arranged on the left side and the right side of the workbench (1) respectively, a flat plate (5) is fixedly arranged between the left vertical plate (3) and the right vertical plate (4), a horizontal cylinder (6) is fixedly arranged on the end surface of the right vertical plate (4), a piston rod of the horizontal cylinder (6) penetrates through the right vertical plate (4), an installation plate (7) is fixedly arranged on an extending end, a guide plate (8) is fixedly arranged on the left end surface of the installation plate (7), a support (10) is fixedly arranged at the bottom of a square rod (9), a wheel (11) is rotatably arranged on the support (10) through a rotating shaft, and a microswitch (12) is fixedly arranged at the top of the square rod (9). The utility model has the beneficial effects that: compact structure, improvement alleviate workman working strength, improve groove depth detection precision, easy operation.
Description
Technical Field
The utility model relates to the technical field of blind groove depth detection, in particular to a blind groove depth detection tool.
Background
The substrate of the high-frequency circuit board is a polytetrafluoroethylene substrate, and the polytetrafluoroethylene substrate has a low dielectric constant, so that the high-frequency circuit board is commonly used for manufacturing a printed circuit board passing high-frequency high-speed signals. The technology requires that a strip-shaped blind groove is processed on one surface of the polytetrafluoroethylene substrate along the length direction of the polytetrafluoroethylene substrate, the bottom of the strip-shaped blind groove is used for placing various components, and the structure of the strip-shaped blind groove (18) on the substrate (16) is shown in figures 1-2. After the strip-shaped blind groove is machined and formed, the depth of the strip-shaped blind groove needs to be detected so as to ensure that the depth requirements of all sections of grooves in the length direction of the strip-shaped blind groove are consistent, if the depth of all sections of grooves of the strip-shaped blind groove is detected to be inconsistent, the whole substrate is removed, and if the depth of all sections of grooves of the strip-shaped blind groove is detected to be consistent, the whole substrate is conveyed to a subsequent production procedure so as to produce a finished product high-frequency circuit board. The existing detection mode is a manual meter-punching mode for detection, namely, a worker firstly places a detection rod of a detection meter at the bottom of a strip-shaped blind groove, then horizontally moves the detection meter, and observes whether a pointer on the detection meter changes in the moving process, if the pointer changes, the groove depth of the strip-shaped blind groove (18) changes, and the whole substrate is an unqualified product and is removed. However, although this detection method can detect the depth of the strip-shaped blind groove, the following technical defects still exist: 1. the tank bottom of bar blind groove has a large amount of burrs, and the burr makes the measuring stick jack-up upwards to the pointer that leads to detecting the table changes, but in fact the groove depth is according with the requirement, consequently has the technical defect of false detection, is about to qualified base plate and is rejected, and this is the manufacturing cost who has increased the circuit board undoubtedly. 2. The worker is required to move the inspection table, which undoubtedly increases the work intensity of the worker and reduces the inspection efficiency. Therefore, a detection tool for improving the working strength of workers and improving the groove depth detection precision is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a blind groove depth detection tool which is compact in structure, capable of improving the working strength of workers and the groove depth detection precision and simple to operate.
The purpose of the utility model is realized by the following technical scheme: a blind groove depth detection tool comprises a workbench, wherein two positioning columns are fixedly arranged on the top surface of the workbench, a left vertical plate and a right vertical plate are fixedly arranged on the left side and the right side of the workbench respectively, a flat plate is fixedly arranged between the left vertical plate and the right vertical plate, a horizontal cylinder is fixedly arranged on the end surface of the right vertical plate, a piston rod of the horizontal cylinder penetrates through the right vertical plate, an installation plate is fixedly arranged on an extension end of the horizontal cylinder, a guide plate is fixedly arranged on the left end surface of the installation plate, a square rod is slidably arranged on the guide plate, two ends of the square rod penetrate through the guide plate, a support is fixedly arranged at the bottom of the square rod, a wheel is rotatably arranged on the support through a rotating shaft, a micro switch is fixedly arranged at the top of the square rod and is in contact with the bottom surface of the flat plate, a spring is sleeved on the square rod, one end of the spring is fixedly arranged on the support, the other end of the square rod is fixedly arranged on the bottom surface of the guide plate, a scraper is fixedly arranged on the left end surface of the guide plate, the width of the scraper is equal to that of the strip-shaped blind groove, and the bottom surface of the scraper is flush with the bottom surface of the wheel.
The length of the positioning column is larger than the thickness of the substrate.
The cross section of the square rod is rectangular or square.
The guide plate is provided with a square groove in sliding fit with the square rod, and the square rod is slidably mounted in the square groove.
The width of the wheel is less than or equal to the width of the strip-shaped blind groove.
The microswitch is connected with the controller through a signal wire, and the controller is arranged on the left end face of the left vertical plate.
The utility model has the following advantages: according to the utility model, burrs at the bottom of the strip-shaped blind groove are scraped by the scraper in advance, and then the groove depth of the strip-shaped blind groove is gradually detected, so that the occurrence of false detection is avoided, the qualified substrate is prevented from being mistakenly removed, and the detection efficiency is greatly improved compared with the traditional detection mode. In addition, this detection frock has realized the continuous detection to the blind groove degree of depth of bar, need not artifical handheld detection table and detects, has not only alleviateed workman's working strength, but also has improved detection efficiency.
Drawings
FIG. 1 is a schematic view of a substrate;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic structural view of the present invention;
FIG. 4 is a side view of the doctor blade;
FIG. 5 is a schematic view of a pilot hole drilled in a substrate;
FIG. 6 is a schematic view of a positioning tooling substrate according to the present invention;
FIG. 7 is a schematic diagram of detecting the groove depth of a strip-shaped blind groove according to the present invention;
in the figure, 1-workbench, 2-positioning column, 3-left vertical plate, 4-right vertical plate, 5-flat plate, 6-horizontal cylinder, 7-mounting plate, 8-guide plate, 9-square rod, 10-bracket, 11-wheel, 12-micro switch, 13-scraper, 14-controller, 15-spring, 16-base plate, 17-positioning hole and 18-strip-shaped blind groove.
Detailed Description
The utility model will be further described with reference to the accompanying drawings, without limiting the scope of the utility model to the following:
as shown in fig. 3 to 4, a blind groove depth detection tool comprises a workbench 1, two positioning columns 2 are fixedly arranged on the top surface of the workbench 1, the length of each positioning column 2 is greater than the thickness of the corresponding substrate, a left vertical plate 3 and a right vertical plate 4 are fixedly arranged on the left side and the right side of the workbench 1 respectively, a flat plate 5 is fixedly arranged between the left vertical plate 3 and the right vertical plate 4, a horizontal cylinder 6 is fixedly arranged on the end surface of the right vertical plate 4, a piston rod of the horizontal cylinder 6 penetrates through the right vertical plate 4, an installation plate 7 is fixedly arranged on an extending end of the piston rod, a guide plate 8 is fixedly arranged on the left end surface of the installation plate 7, a square rod 9 is slidably arranged on the guide plate 8, the cross section of the square rod 9 is rectangular or square, two ends of the square rod 9 both penetrate through the guide plate 8, a support 10 is fixedly arranged at the bottom of the square rod 9, a wheel 11 is rotatably arranged on the support 10 through a rotating shaft, and the width of the wheel 11 is less than or equal to the width of the blind groove, the top of square bar 9 has set firmly micro-gap switch 12, and micro-gap switch 12 contacts with the basal surface of flat board 5, the cover is equipped with spring 15 on the square bar 9, and the one end of spring 15 sets firmly on support 10, and the other end sets firmly on the basal surface of deflector 8, set firmly scraper 13 on the left end face of deflector 8, the width of scraper 13 equals with the width of bar blind groove 18, the basal surface parallel and level of scraper 13 and the basal surface of wheel 11.
The guide plate 8 is provided with a square groove in sliding fit with the square rod 9, and the square rod 9 is slidably mounted in the square groove. The microswitch 12 is connected with a controller 14 through a signal wire, and the controller 14 is arranged on the left end face of the left vertical plate 3.
The working process of the utility model is as follows:
s1, a worker pre-forms two positioning holes 17 on the substrate 16 to ensure that the two positioning holes 17 correspond to the two positioning posts 2 and that the diameter of the positioning holes 17 is equal to the diameter of the positioning posts 2, as shown in fig. 5, a schematic diagram of drilling the positioning holes on the substrate is shown;
s2, a positioning tool for the substrate 16, wherein a worker respectively sleeves the two positioning holes 17 on the substrate 16 on the two positioning holes 17 and supports the substrate 16 on the table top of the workbench 1, so that the positioning tool for the substrate is as shown in FIG. 6, the strip-shaped blind grooves 18 on the substrate 16 are opposite to the wheels 11 left and right, and the bottom surfaces of the scrapers 13 are flush with the bottom surfaces of the strip-shaped blind grooves 18;
s3, a worker controls a piston rod of the horizontal cylinder 6 to extend leftwards, the piston rod drives the mounting plate 7 to move leftwards, the mounting plate 7 drives the guide plate 8, the wheel 11 and the scraper 13 to move leftwards synchronously, the scraper 13 firstly enters the strip-shaped blind groove 18, a cutting edge at the bottom of the scraper 13 is in contact with the groove bottom of the strip-shaped blind groove 18, burrs on the groove bottom of the strip-shaped blind groove 18 are removed when the scraper 13 moves, and then the wheel 11 enters the strip-shaped blind groove 18 section where the burrs are removed as shown in FIG. 7; when the scraper 13 and the wheel 11 move along the length direction of the bar-shaped blind groove 18, if the microswitch 12 sends an electric signal to the controller 14, it indicates that the bottom of the groove section of the detected bar-shaped blind groove 18 is uneven, so that the wheel 11 is jacked upwards, the wheel 11 drives the square rod 9 to jack upwards, the square rod 9 drives the microswitch 12 to move upwards, the microswitch 12 is pressed on the flat plate 5, the pressed microswitch 12 sends an electric signal to the controller 14, the controller 14 informs a worker that the groove depth of the detected bar-shaped blind groove 18 is unqualified, namely the whole detected substrate is unqualified, the worker controls the piston rod of the horizontal cylinder 6 to reset at the moment, and then the worker removes the unqualified substrate 16; if the microswitch 12 does not send an electric signal to the controller 14, the detected bar-shaped blind groove 18 is flat in groove section, the wheel 11 cannot be jacked upwards, after the wheel 11 runs out of the bar-shaped blind groove 18, the controller 14 still does not receive the electric signal, the detected bar-shaped blind groove 18 is qualified in groove depth, at the moment, a worker controls the piston rod of the horizontal cylinder 6 to reset, and the worker takes the qualified substrate away from the workbench 1 and conveys the qualified substrate to the next process.
S4, repeating the operations of steps S1-S4 to realize the continuous production of multiple substrates.
Therefore, in the detection process of the step S3, the scraper 13 scrapes off the burrs at the groove bottom of the strip-shaped blind groove 18 in advance, and then the groove depth of the strip-shaped blind groove 18 is gradually detected, so that the false detection is avoided, the qualified substrate is prevented from being mistakenly removed, and the detection efficiency is greatly improved compared with the traditional detection mode. In addition, this detection frock has realized the continuous detection to 18 degree of depth of strip blind groove, need not artifical handheld detection table and detects, has not only alleviateed workman's working strength, but also has improved detection efficiency.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a blind groove degree of depth detects frock which characterized in that: it comprises a workbench (1), two positioning columns (2) are fixedly arranged on the top surface of the workbench (1), a left vertical plate (3) and a right vertical plate (4) are fixedly arranged on the left side and the right side of the workbench (1) respectively, a flat plate (5) is fixedly arranged between the left vertical plate (3) and the right vertical plate (4), a horizontal cylinder (6) is fixedly arranged on the end surface of the right vertical plate (4), a piston rod of the horizontal cylinder (6) penetrates through the right vertical plate (4) to be arranged, an installation plate (7) is fixedly arranged on an extending end, a guide plate (8) is fixedly arranged on the left end surface of the installation plate (7), a square rod (9) is slidably arranged on the guide plate (8), two ends of the square rod (9) are respectively arranged through the guide plate (8), a support (10) is fixedly arranged on the bottom of the square rod (9), wheels (11) are rotatably arranged on the support (10) through a rotating shaft, and a microswitch (12) is fixedly arranged on the top of the square rod (9), microswitch (12) and the basal surface contact of dull and stereotyped (5), the cover is equipped with spring (15) on square bar (9), and the one end of spring (15) sets firmly on support (10), and the other end sets firmly on the basal surface of deflector (8), set firmly scraper (13) on the left end face of deflector (8), the width of scraper (13) equals with the width of bar blind groove (18), the basal surface parallel and level of the basal surface of scraper (13) and wheel (11).
2. The blind groove depth detection tool according to claim 1, characterized in that: the length of the positioning column (2) is larger than the thickness of the substrate.
3. The blind groove depth detection tool according to claim 1, characterized in that: the cross section of the square rod (9) is rectangular or square.
4. The blind groove depth detection tool according to claim 1, characterized in that: the guide plate (8) is provided with a square groove in sliding fit with the square rod (9), and the square rod (9) is slidably mounted in the square groove.
5. The blind groove depth detection tool according to claim 1, characterized in that: the width of the wheel (11) is less than or equal to that of the strip-shaped blind groove.
6. The blind groove depth detection tool according to claim 1, characterized in that: the microswitch (12) is connected with a controller (14) through a signal wire, and the controller (14) is arranged on the left end face of the left vertical plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122625201.9U CN216115952U (en) | 2021-10-29 | 2021-10-29 | Blind groove depth detection tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122625201.9U CN216115952U (en) | 2021-10-29 | 2021-10-29 | Blind groove depth detection tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216115952U true CN216115952U (en) | 2022-03-22 |
Family
ID=80710964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122625201.9U Active CN216115952U (en) | 2021-10-29 | 2021-10-29 | Blind groove depth detection tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216115952U (en) |
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2021
- 2021-10-29 CN CN202122625201.9U patent/CN216115952U/en active Active
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