CN111678480A - A size measuring device used after centralized grinding of inner gears of watches - Google Patents

Abstract

The invention relates to the technical field of workpiece detection, in particular to a size measuring device used for centralized grinding of internal gears of a watch, comprising a base, a support seat is fixedly installed on the base by bolts, and a casing is fixedly installed on the support seat by bolts, and the shell The interior of the body is fixedly mounted with a mounting plate by means of bolts, and the front end of the housing is hingedly mounted with a front cover at a position corresponding to the mounting plate. The beneficial effects are as follows: the device can use the main motor to drive the gear workpiece to rotate, and then use a pair of distance measuring sensors to jointly detect and calculate the tooth thickness change of the gear workpiece during the rotation process, and can provide the gear image captured by the camera and the gear workpiece. The standard images are compared to indirectly calculate the tooth profile data of the gear by using the dimensional deviation between the graphics, thereby effectively improving the measurement accuracy and reducing the occupation of labor.

Description

A size measuring device used after centralized grinding of inner gears of watches

technical field

The invention relates to the technical field of workpiece detection, in particular to a size measuring device used for centralized grinding of inner gears of a watch.

Background technique

Mechanical watches are generally driven by gears to drive the hands to indicate the time. However, because the size of the gears used inside the watch is too small, it is difficult to effectively measure the size of the gears after intensive grinding, so it is difficult to judge whether the gears meet the requirements for use. . Moreover, the existing measurement methods still mainly rely on manual hand-held spiral micrometers and other equipment for dimensional measurement. This measurement method has low measurement accuracy, large workload, and large labor occupation, resulting in high labor costs during production and large deviations in the quality of workpieces after production.

If a new type of equipment that can quickly measure small gears used in watches can be invented, such problems can be effectively solved. For this reason, we provide a size measurement device for centralized grinding of internal gears of watches.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a size measuring device used after intensive grinding of inner gears of a watch, so as to solve the problems raised in the above background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: a size measuring device for centralized grinding of internal gears of a watch, comprising a base, on which a support seat is fixedly installed by bolts, and a support seat is fixedly installed by bolts on the support seat. a housing, the interior of the housing is fixedly mounted with a mounting plate by bolts, and the front end of the housing is hingedly mounted with a front cover at a position corresponding to the mounting plate;

A first guide rail is fixedly installed on the mounting plate by bolts, and a transportation device is arranged on the first guide rail. The transportation device includes a movable seat slidably installed with the first guide rail, and a guide block is fixed and installed on the movable seat through bolts , a turntable is installed on the guide block through a bearing, and a ring gear is integrally formed on the outside of the turntable side, and a holding seat with a detection center hole at the center is fixed and installed in the turntable by screws, and the holding seat is used for Install the gear workpiece to be tested. The bottom of the gear workpiece is held up by a supporting frame integrally formed on the moving base, and the supporting frame is inserted into the center hole of the holding seat and is arranged in a semi-circular shape. A first screw driving motor is fixedly installed, and the output end of the first screw driving motor is driven by the screw to move the movable seat along the first guide rail;

The moving base is provided with a pressing device, and the pressing device includes a rotating motor fixed and installed with the moving base by bolts, and the output end of the rotating motor is fixed with a rotating rod by bolts, and the end of the rotating rod is fixed by bolts A pressing push rod is installed, and the output end of the pressing push rod is fixedly installed with a pressing piece for pressing the gear workpiece;

The upper and lower ends of the mounting plate are symmetrically provided with a pair of distance measuring devices, the distance measuring devices include a connecting seat fixed and installed with the mounting plate by bolts, and on the connecting seat are fixed and installed by bolts and are used for detecting gear workpiece teeth. The distance measuring sensor is thick and staggered from the position of the support frame, a second guide rail is fixedly installed on the mounting plate by bolts, and a driving device is provided on the second guide rail, and the driving device includes a sliding device that is slidably installed with the second guide rail. The main motor is fixed and installed on the sliding seat by bolts. The output end of the main motor drives a driving wheel that is engaged with the ring gear. A second screw drive motor is installed on the base, and the second screw The output end of the driving motor drives the sliding seat to move along the second guide rail through the screw rod;

The display and the controller are fixedly installed on the casing by bolts, and the casing is installed with a camera corresponding to the position of the gear workpiece at the rear of the corresponding distance measuring device. The motor, the distance measuring sensor, the main motor, the first screw driving motor, the second screw driving motor, the display and the camera are electrically connected.

Preferably, the controller is an S7-200 PLC device or an industrial computer, and the pressing push rod is a micro pneumatic push rod.

Preferably, an installation frame is fixedly installed on the support base by bolts, and a built-in power supply electrically connected to the controller is fixed and installed on the installation frame by bolts, and a tool drawer is plugged and installed in front of the installation frame, and is installed on the installation frame. The left and right sides of the rack are provided with transport holes for easy transport.

Preferably, an illuminating lamp electrically connected to the controller is fixedly installed on the top of the mounting plate by means of bolts, and a handle is fixedly installed at the front end of the front cover by means of bolts.

Compared with the prior art, the beneficial effects of the present invention are: the device can use the main motor to drive the gear workpiece to rotate, and then use a pair of distance measuring sensors to jointly detect and calculate the tooth thickness change of the gear workpiece during the rotation process, and It can provide the gear image captured by the camera and compare the standard image to indirectly calculate the tooth profile data of the gear by using the dimensional deviation between the graphics, thereby effectively improving the measurement accuracy and reducing the occupation of labor. Practical value.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the sectional view of the structure of the present invention;

Fig. 3 is the assembly schematic diagram of the mounting plate and the transport device of the present invention;

Fig. 4 is the assembly schematic diagram of the mounting plate and the distance measuring device of the present invention;

FIG. 5 is a schematic view of the installation of the transport device and the gear workpiece according to the present invention.

In the figure: 1, base; 2, transport device; 201, turntable; 202, gear ring; 203, holding seat; 204, guide block; 205, moving seat; 3, pressing device; 301, pressing push rod; 302, tablet; 303, rotating rod; 304, rotating motor; 4, gear workpiece; 5, mounting plate; 6, distance measuring device; 601, distance measuring sensor; 602, connecting seat; 7, driving device; 701, sliding seat; 702, main motor; 703, driving wheel; 8, lighting; 9, first screw drive motor; 10, second guide rail; 11, second screw drive motor; 12, display; 13, front cover; 14. Shell; 15. Handle; 16. Tool drawer; 17. Support seat; 18. First guide rail; 19. Carrying hole; 20. Built-in power supply; 21. Mounting frame; 22. Camera; 23. Controller; 24. Support frame.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the technical solutions in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIG. 1 to FIG. 5 , the present invention provides a technical solution: a size measuring device for centralized grinding of internal gears of a watch, comprising a base 1 , a support base 17 is fixedly installed on the base 1 by bolts, and the support base 17 is mounted on the base 1 . The casing 14 is fixedly installed by bolts, the interior of the casing 14 is fixedly installed with the mounting plate 5 by bolts, and the front end of the casing 14 is hingedly installed with the front cover 13 at the position corresponding to the mounting plate 5;

The first guide rail 18 is fixedly installed on the mounting plate 5 by bolts, and the first guide rail 18 is provided with a transport device 2. The transport device 2 includes a movable seat 205 slidably installed with the first guide rail 18. A guide block 204, a turntable 201 is installed on the guide block 204 through a bearing, a ring gear 202 is integrally formed on the outside of the turntable 201, and a holding seat 203 with a detection center hole at the center is fixed and installed in the turntable 201 by screws. 203 is used to install the gear workpiece 4 that needs to be detected. The bottom of the gear workpiece 4 is held up by a supporting frame 24 integrally formed on the movable seat 205. The supporting frame 24 is inserted into the center hole of the holding seat 203. , the base 1 is fixedly installed with a first screw drive motor 9 through bolts, and the output end of the first screw drive motor 9 moves along the first guide rail 18 through the screw drive moving seat 205;

The moving base 205 is provided with a pressing device 3, and the pressing device 3 includes a rotating motor 304 fixedly installed with the moving base 205 by bolts. A pressing push rod 301 is fixedly installed with the bolt, and a pressing piece 302 for pressing the gear workpiece 4 is fixedly installed at the output end of the pressing push rod 301;

The upper and lower ends of the mounting plate 5 are symmetrically arranged with a pair of distance measuring devices 6. The distance measuring device 6 includes a connecting seat 602 fixed and installed with the mounting plate 5 by bolts. The distance measuring sensor 601 is 4 teeth thick and staggered from the support frame 24. The second guide rail 10 is fixedly installed on the mounting plate 5 by bolts. The second guide rail 10 is provided with a driving device 7. The driving device 7 includes 10. A sliding seat 701 for sliding installation, a main motor 702 is fixedly installed on the sliding seat 701 by bolts, the output end of the main motor 702 drives a driving wheel 703 that is engaged with the ring gear 202, and a second screw drive is installed on the base 1 The motor 11, the output end of the second screw drive motor 11 moves along the second guide rail 10 through the screw drive sliding seat 701;

The display 12 and the controller 23 are fixedly installed on the casing 14 by bolts. The casing 14 is installed with a camera 23 corresponding to the position of the gear workpiece 4 at the rear of the corresponding distance measuring device 6. The rod 301, the rotating motor 304, the distance measuring sensor 601, the main motor 702, the first screw driving motor 9, the second screw driving motor 11, the display 12 and the camera 22 are electrically connected;

The controller 23 is an S7-200 type PLC device or an industrial computer, the pressing push rod 301 is a miniature pneumatic push rod, a mounting frame 21 is fixed on the support base 17 by bolts, and a mounting frame 21 is fixed on the mounting frame 21 by bolts and is installed with the controller. 23 The built-in power supply 20 that is electrically connected, the tool drawer 16 is plugged and installed on the front of the installation frame 21, and the tool drawer 16 can be used to hold sundries. The lighting lamp 8 electrically connected to the controller 23 is fixedly mounted on the upper part of the board 5 by bolts, and the handle 15 is fixedly mounted on the front end of the front cover 13 by bolts.

Working principle: When the device is in use, firstly, the holding seat 203 matching the size of the gear workpiece 4 to be detected is fixedly installed on the turntable 201 by bolts, and then the operator opens the front cover 13 for each inspection, and then the Under the illumination of the illuminating lamp 8, the gear workpiece 4 is pressed into the receiving seat 203 and contacted with the upper part of the support frame 24, and then the front cover 13 is closed, and the detection program is executed at this time. During the detection process, the rotary motor 304 first drives the pressing push rod 301 to move to the position matching the gear workpiece 4 . At this time, the pressing push rod 301 drives the pressing piece 302 to squeeze the gear workpiece 4 so that it is inserted into the holding seat with the moving seat 205 . The support frame 24 of the central hole is aligned and laid flat. At this time, the outer side of the holding seat 203 and the gear workpiece 4 is an interference fit. The gear workpiece 4 can rotate with the holding seat 203, and then the rotary motor 304 drives the pressing push rod. 301 rotates to the non-working position, and the first screw drive motor 9 drives the transport device 2 to move to the position corresponding to the distance measuring device 6. At this time, the second screw drive motor 11 will drive the driving wheel 703 to the transport device. 2 move closer until the driving wheel 703 can be correctly meshed with the ring gear 202, and then the main motor 702 starts to drive the driving wheel to rotate, thereby driving the gear workpiece 4 to rotate. The main motor 702 can use a stepping motor to facilitate the rotation angle of the gear workpiece 4. Precise control. During the rotation process of the gear workpiece 4, a pair of distance measuring sensors 601 at the upper and lower ends of the displacement gear workpiece 4 will record the detected distance from the upper and lower ends of the gear workpiece 4 in real time, so that the controller 23 calculates Since the position of the distance measuring device 6 and the position of the support frame 24 are staggered, the tooth thickness data of the gear workpiece 4 will not be disturbed during the detection process. After the tooth thickness data of the gear workpiece 4 is detected, the driving device 7 will return Back to the non-working position, at the same time, the first screw drive motor 9 drives the transport device 2 to move to the area corresponding to the camera 22, at this time, the gear workpiece 4 is photographed by the camera 22, and the photographed photos will be sent to the controller. 23 is compared with the photos of the preset standard gear workpiece 4, so as to calculate the tooth profile data of the gear workpiece 4 through the change of the edge fitting degree of the two photos, and the detected data is displayed by the display 12 after the detection is completed, At the same time, under the driving of the first screw drive motor 9, the transport device 2 is returned to the lower part of the front cover 13. At this time, the next round of detection can be performed by manually replacing the new gear workpiece 4. The device can directly measure the tooth thickness and tooth profile of the gear workpiece 4 when it is in use, and can detect whether the gear workpiece with detection is an internal gear or an external gear, so that the measurement time can be effectively saved, and relatively Compared with traditional measurement methods such as manual hand-held spiral micrometer measurement, it has higher measurement accuracy, guarantees the accuracy of product detection, and has high practical value.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (4)

1. A size measuring device used after intensive grinding of internal gears of a watch, comprising a base (1), characterized in that: a support base (17) is fixedly installed on the base (1) by bolts, and the support base (17) The casing (14) is fixedly installed on the upper part by bolts, the interior of the casing (14) is fixedly installed with a mounting plate (5) by means of bolts, and the front end of the casing (14) is in a position corresponding to the mounting plate (5). A front cover (13) is hingedly installed at the place; A first guide rail (18) is fixedly mounted on the mounting plate (5) by means of bolts, and a transport device (2) is provided on the first guide rail (18), and the transport device (2) includes a connection with the first guide rail (18). ) a slidingly mounted moving seat (205), and a guide block (204) is fixedly installed on the moving seat (205) by bolts, and a turntable (201) is installed on the guide block (204) through a bearing, and the turntable (201) A ring gear (202) is integrally formed on the outside of the side and the turntable (201) is fixedly installed with a receiving seat (203) provided with a detection center hole at the center by screws, and the receiving seat (203) is used for installation needs. The detected gear workpiece (4), the bottom of the gear workpiece (4) is held up by a supporting frame (24) integrally formed on the moving seat (205), and the supporting frame (24) is inserted into the holding seat (203) ) The interior of the center hole is arranged in a semi-circular shape, the base (1) is fixedly installed with a first screw drive motor (9) by bolts, and the output end of the first screw drive motor (9) is driven to move by the screw the seat (205) moves along the first guide rail (18); The moving base (205) is provided with a pressing device (3), and the pressing device (3) comprises a rotating motor (304) fixedly installed with the moving base (205) by means of bolts, and the output of the rotating motor (304) is A rotating rod (303) is fixedly installed at the end by bolts, the end of the rotating rod (303) is fixedly installed with a pressing push rod (301) by bolts, and the output end of the pressing push rod (301) is fixedly installed with a pressing rod (301). The pressing piece (302) of the tight gear workpiece (4); The upper and lower ends of the mounting plate (5) are symmetrically provided with a pair of distance measuring devices (6), and the distance measuring devices (6) comprise a connecting seat (602) fixedly installed with the mounting plate (5) by means of bolts, and A distance measuring sensor (601), which is used for detecting the tooth thickness of the gear workpiece (4) and is staggered from the position of the support frame (24), is fixedly installed on the connecting seat (602) by bolts, and bolts are installed on the mounting plate (5). A second guide rail (10) is fixedly installed, and a driving device (7) is arranged on the second guide rail (10), and the driving device (7) includes a sliding seat (701) slidably installed with the second guide rail (10), The main motor (702) is fixedly installed on the sliding seat (701) by means of bolts, and the output end of the main motor (702) drives a driving wheel (703) which is engaged with the ring gear (202) and installed. ) is installed with a second screw drive motor (11), and the output end of the second screw drive motor (11) moves along the second guide rail (10) through the screw drive sliding seat (701); A display (12) and a controller (23) are fixedly mounted on the casing (14) by means of bolts, and the casing (14) is mounted at the rear of the corresponding distance measuring device (6) with a position of the gear workpiece (4) The corresponding camera (23), the controller (23) is respectively driven by the pressing rod (301), the rotating motor (304), the distance measuring sensor (601), the main motor (702) and the first screw rod through the wire The motor (9), the second screw driving motor (11), the display (12) and the camera (22) are electrically connected. 2. The size measuring device used after intensive grinding of the inner gear of a watch according to claim 1, wherein the controller (23) is an S7-200 type PLC device or an industrial computer, and the push rod is pressed (301) is a miniature pneumatic push rod. 3. The size measuring device used after the centralized grinding of the inner gear of a watch according to claim 1, wherein the mounting frame (21) is fixedly installed on the support seat (17) by means of bolts, and the mounting frame ( 21) A built-in power supply (20) electrically connected to the controller (23) is installed on it by bolts, a tool drawer (16) is plugged and installed on the front of the mounting bracket (21), and Both the left and right sides are provided with carrying holes (19) for easy carrying. 4. A size measuring device for centralized grinding of internal gears of a watch according to claim 1, characterized in that: above the mounting plate (5), an electrical connection with the controller (23) is fixedly installed by means of bolts The lighting lamp (8) is provided, and the front end of the front cover (13) is fixed and installed with a handle (15) by means of bolts.

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