Detection tool for detecting thickness of metal forging part

Abstract

The utility model discloses a gauge for detecting the thickness of a metal forging, which relates to the field of gauges and comprises a gauge body, table legs and a tripod, three sliding mechanisms are arranged on the tripod, rotating mechanisms are arranged on sliding mechanism parts, the gauge body is provided with a driving mechanism, and the driving mechanism is connected with the table legs. A part on the driving mechanism is connected with a measuring mechanism. By arranging the sliding mechanism, the rotating mechanism and the driving mechanism, the sliding mechanism is started to enable the sliding block nut to drive the rotating mechanism to move according to the diameter of the annular metal forging part, and when the annular metal forging part is placed on the rotating wheel, the rotating handle is rotated to enable the driving mechanism to operate to drive the measuring mechanism to move. When the measuring mechanism moves to the position of the annular metal forging part, the lower measuring jaw and the upper measuring jaw are adjusted to clamp the annular metal forging part, the rotating mechanism is started to enable the rotating wheel to rotate to drive the annular metal forging part to rotate, and the measuring mechanism measures the thickness of one circle of the annular metal forging part.

Description

Technical Field

[0001] The utility model relates to the field of inspection tools, in particular to an inspection tool used for inspecting the thickness of metal forgings. Background Art

[0002] Gauges are simple tools used by industrial manufacturers to control the various dimensions of products, improve production efficiency and control quality. They are suitable for mass-produced products, such as automotive parts, to replace professional measuring tools such as smooth plug gauges, threaded plug gauges, and outside diameter caliper gauges.

[0003] In the prior art, to inspect circular metal forgings, it is necessary to hold a caliper on one side for measurement, then take off the caliper and measure the thickness of the circular metal forging from another angle. The above operation needs to be repeated many times when measuring the circular metal forgings. Therefore, there is room for further improvement in measurement efficiency. Based on this, in order to facilitate the measurement of the thickness of the circular metal forgings, a gauge for inspecting the thickness of metal forgings is proposed. Utility Model Content

[0004] The utility model aims to solve the problem that it is inconvenient to measure the thickness of an annular metal forging and provide a gauge for detecting the thickness of the metal forging.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gauge for detecting the thickness of metal forgings, comprising a gauge body, the four corners of the bottom end of the gauge body are fixedly connected to table legs, and a tripod is fixedly connected to the top of the gauge body, the tripod is divided into a circular part and three square parts, the three square parts are equidistantly arranged on the outer wall of the circular part, and the square parts of the tripod are all provided with a sliding mechanism, the sliding mechanism is installed with a rotating mechanism, the gauge body is provided with a driving mechanism, and the driving mechanism is installed with a measuring mechanism;

[0006] The sliding mechanism in the moving state is used to drive the rotating mechanism to slide along the track of the square part;

[0007] The three synchronously operated rotating mechanisms are used to drive the placed annular metal forgings to rotate;

[0008] The driving mechanism in the moving state is used to drive the measuring mechanism to move along the axial direction to adapt to annular forgings of different diameters;

[0009] The measuring mechanism is used to measure the thickness of the annular metal forging in a rotating state.

[0010] As a further solution of the utility model: the sliding mechanism includes a No. 1 motor, a slider nut, a screw rod, and a fixing block;

[0011] The three No. 1 motors are installed above the inspection tool body, and the three No. 1 motors are respectively located at the three ends of the tripod, the three fixed blocks are fixedly connected to the top of the circular part of the tripod, one end of the three screws are respectively rotatably connected to the three side walls of the fixed blocks, and the other ends of the three screws are respectively connected to the output ends of the three No. 1 motors through couplings, the three slider nuts are respectively threadedly connected to the outer walls of the three screws, and the three slider nuts are respectively slidably connected to the square parts.

[0012] As a further solution of the utility model: the rotating mechanism includes a No. 2 motor, an L-shaped base, a rotating wheel, and a No. 1 rotating shaft;

[0013] The bottom ends of the three L-shaped bases are respectively fixedly connected to the top ends of the three slider nuts, the three No. 2 motors are respectively installed on the three side walls of the L-shaped base, the three rotating wheels are respectively rotatably connected to the top ends of the three horizontal plate parts of the L-shaped base, and a groove body for accommodating the three is opened on the L-shaped base, and the rotating wheel part protrudes from the top end of the L-shaped base, one ends of the three No. 1 rotating shafts are respectively fixedly connected to the three side walls of the rotating wheels, and the other ends of the three No. 1 rotating shafts are respectively connected to the output ends of the three No. 2 motors through couplings, and are rotatably connected to the L-shaped base.

[0014] As a further solution of the utility model: the driving mechanism includes a handle, a rack, a gear, and a second rotating shaft;

[0015] The gear is rotatably connected to the inside of the gauge body, the rack slides inside the gauge body, and the lower tooth block of the rack is engaged with the outer side of the gear, one end of the second rotating shaft is fixedly connected to the side wall of the gear, and the other end of the second rotating shaft passes through the side wall of the gauge body and is rotatably connected to the gauge body, and the side wall of the handle is fixedly connected to the other end of the second rotating shaft.

[0016] As a further solution of the utility model: the measuring mechanism includes a lower measuring claw, an upper measuring claw, a measuring ruler, a No. 1 spring, a No. 2 spring, and a small infrared distance measuring sensor;

[0017] The bottom end of the measuring ruler is fixedly connected to the upper side of one end of the rack, and the measuring ruler is provided with a first slide groove and a second slide groove, a first slider is formed in the middle of the lower measuring jaw, the first slider slides on the inner wall of the first slide groove, both ends of the No. 2 spring are fixedly connected to the bottom of the first slide groove and the bottom end of the first slider, a second slider is formed in the middle of the upper measuring jaw, the second slider slides on the inner wall of the second slide groove, both ends of the No. 1 spring are respectively fixedly connected to the top of the second slide groove and the top of the second slider, a fixing plate is formed on one side of the upper measuring jaw and the lower measuring jaw, and the small infrared ranging sensor is installed on the lower side of the fixing plate on the upper measuring jaw.

[0018] As a further solution of the utility model: the inspection tool body has a No. 1 slide groove for the rack to slide, the inspection tool body has a No. 2 slide groove for the measuring ruler to slide, the No. 2 slide groove is connected to the No. 1 slide groove, the No. 2 slide groove is located above the No. 1 slide groove, and the length of the No. 2 slide groove is a small half of the No. 1 slide groove.

[0019] As a further solution of the utility model: a rotating groove for the gear to rotate is opened in the checking tool body, and the rotating groove is located directly below the No. 1 slide groove, and the rotating groove intersects with the No. 1 slide groove.

[0020] Compared with the prior art, the utility model has the following beneficial effects: by setting a sliding mechanism, a rotating mechanism and a driving mechanism, the sliding mechanism is started according to the diameter of the annular metal forging, so that the slider nut drives the rotating mechanism to move; when the annular metal forging is placed on the rotating wheel of the rotating mechanism, the handle is turned, and the rotation of the handle causes the driving mechanism to operate, and the driving mechanism drives the measuring mechanism to move; when the measuring mechanism moves to the position of the annular metal forging, the lower measuring jaw and the upper measuring jaw are adjusted to clamp the annular metal forging, the rotating mechanism is started to rotate the wheel to drive the annular metal forging to rotate, and the measuring mechanism measures the thickness of one circle of the annular metal forging. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the sliding mechanism structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the rotating mechanism structure of the utility model;

[0024] Figure 4 It is a schematic diagram of the partial structure of the driving mechanism of the utility model;

[0025] Figure 5 This is a schematic diagram of the driving mechanism structure of the utility model;

[0026] Figure 6 This is a schematic diagram of the structure of the measuring mechanism of the utility model;

[0027] Figure 7 It is a schematic diagram of the structure of the measuring mechanism of the utility model.

[0028] In the figure: 1. Checking fixture body; 2. Table legs; 3. Tripod; 4. No. 1 motor; 5. No. 2 motor; 6. L-shaped base; 7. Turning handle; 8. Slider nut; 9. Screw; 10. Fixing block; 11. Lower measuring claw; 12. Upper measuring claw; 13. Measuring ruler; 14. Turning wheel; 15. No. 1 rotating shaft; 16. Rack; 17. Gear; 18. No. 2 rotating shaft; 19. No. 1 spring; 20. No. 2 spring; 21. Small infrared ranging sensor. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figures 1 to 6 In an embodiment of the utility model, a gauge for detecting the thickness of a metal forging includes a gauge body 1, the four corners of the bottom end of the gauge body 1 are fixedly connected to table legs 2, and a tripod 3 is fixedly connected to the top of the gauge body 1, the tripod 3 is divided into a circular part and three square parts, the three square parts are equidistantly arranged on the outer wall of the circular part, and the square parts of the tripod 3 are all provided with a sliding mechanism, the sliding mechanism is installed with a rotating mechanism, the gauge body 1 is provided with a driving mechanism, and the driving mechanism is installed with a measuring mechanism;

[0031] The sliding mechanism in the moving state is used to drive the rotating mechanism to slide along the track of the square part;

[0032] Three synchronously operated rotating mechanisms are used to drive the placed annular metal forgings to rotate;

[0033] The driving mechanism in the moving state is used to drive the measuring mechanism to move along the axial direction to adapt to the annular forgings of different diameters;

[0034] The measuring mechanism is used to measure the thickness of a rotating annular metal forging.

[0035] In this embodiment: when it is necessary to measure the thickness of the annular metal forging, first lift the annular metal forging above the sliding mechanism, start the No. 1 motor 4 in the sliding mechanism according to the diameter of the annular metal forging, adjust the slider nut 8 to drive the rotating mechanism to move, when the annular metal forging is placed on the rotating wheel 14 of the rotating mechanism, then turn the handle 7, the rotation of the handle 7 drives the No. 2 rotating shaft 18, the rotation of the No. 2 rotating shaft 18 drives the gear 17 to rotate, the gear 17 drives the rack 16 to rotate, and the driving mechanism drives the measuring mechanism to move. When the measuring mechanism moves to the position of the annular metal forging, adjust the lower measuring claw 11 and the upper measuring claw 12 to clamp the annular metal forging to measure the thickness of the annular metal forging, start the No. 2 motor 5 in the rotating mechanism, the No. 2 motor 5 drives the rotating wheel 14 to rotate, the annular metal forging rotates when the rotating wheel 14 rotates, and the measuring mechanism measures the thickness of one circle of the annular metal forging.

[0036] Please refer to Figures 1 to 3 , the sliding mechanism includes a No. 1 motor 4, a slider nut 8, a screw 9, and a fixing block 10;

[0037] Three No. 1 motors 4 are installed above the inspection tool body 1, and the three No. 1 motors 4 are respectively located at the three ends of the tripod 3, three fixing blocks 10 are fixedly connected to the top of the circular part of the tripod 3, one end of the three screws 9 are rotatably connected to the side walls of the three fixing blocks 10, and the other ends of the three screws 9 are respectively connected to the output ends of the three No. 1 motors 4 through couplings, three slider nuts 8 are respectively threadedly connected to the outer walls of the three screws 9, and the three slider nuts 8 are respectively slidably connected to the square parts.

[0038] In this embodiment: when measuring annular metal forgings of different diameters and needing to adjust the distance of the rotating mechanism, the annular metal forging is hoisted above the sliding mechanism, and the No. 1 motor 4 is started. The screw 9 is rotated forward or reversely according to the diameter of the annular metal forging. The No. 1 motor 4 rotates the screw 9 through the coupling. The rotation of the screw 9 drives the slider nut 8 to move, and the movement of the slider nut 8 drives the rotating mechanism to move.

[0039] Please refer to Figures 1 to 3 , the rotating mechanism includes a second motor 5, an L-shaped base 6, a rotating wheel 14, and a first rotating shaft 15;

[0040] The bottom ends of the three L-shaped bases 6 are respectively fixedly connected to the top ends of the three slider nuts 8, the three No. 2 motors 5 are respectively installed on the side walls of the three L-shaped bases 6, the three rotating wheels 14 are respectively rotatably connected to the top ends of the cross plate parts of the three L-shaped bases 6, and a groove body for accommodating 14 is opened on the L-shaped base 6, and the rotating wheel 14 partially protrudes from the top end of the L-shaped base 6, one ends of the three No. 1 rotating shafts 15 are respectively fixedly connected to the side walls of the three rotating wheels 14, and the other ends of the three No. 1 rotating shafts 15 are respectively connected to the output ends of the three No. 2 motors 5 through couplings, and are rotatably connected to the L-shaped base 6.

[0041] In this embodiment: when it is necessary to place the annular metal forging and drive the annular metal forging to move, first lift the annular metal forging above the sliding mechanism, start the No. 1 motor 4 in the sliding mechanism according to the diameter of the annular metal forging, adjust the slider nut 8 to drive the rotating mechanism to move, and use the rotating wheel 14 to place the annular metal forging, start the driving mechanism, and the driving mechanism moves the measuring mechanism to the annular metal forging, and adjust the measuring mechanism to clamp the annular metal forging, and start the No. 2 motor 5. The No. 2 motor 5 rotates the No. 1 rotating shaft 15 through the coupling, and the rotation of the No. 1 rotating shaft 15 rotates the rotating wheel 14, and the rotation of the rotating wheel 14 drives the annular metal forging to rotate.

[0042] Please refer to Figure 1 , 4 5. The driving mechanism includes a turning handle 7, a rack 16, a gear 17, and a second rotating shaft 18;

[0043] The gear 17 is rotatably connected to the inside of the gauge body 1, the rack 16 slides inside the gauge body 1, and the lower tooth block of the rack 16 is engaged with the outer side of the gear 17, one end of the second rotating shaft 18 is fixedly connected to the side wall of the gear 17, and the other end of the second rotating shaft 18 passes through the side wall of the gauge body 1 and is rotatably connected to the gauge body 1, and the side wall of the turning handle 7 is fixedly connected to the other end of the second rotating shaft 18.

[0044] In this embodiment: when the measuring mechanism needs to be moved, the handle 7 is rotated by hand, the rotation of the handle 7 drives the second rotating shaft 18 to rotate, the rotation of the second rotating shaft 18 drives the gear 17 to rotate, the rotation of the gear 17 drives the rack 16 to move, and the movement of the rack 16 drives the measuring mechanism to move.

[0045] Please refer to Figure 1 , 4 6. The measuring mechanism includes a lower measuring claw 11, an upper measuring claw 12, a measuring ruler 13, a No. 1 spring 19, a No. 2 spring 20, and a small infrared distance measuring sensor 21 (model: CPA-TF20MP3);

[0046] The bottom end of the measuring ruler 13 is fixedly connected to the upper side of one end of the rack 16, and a first slide groove and a second slide groove are opened on the measuring ruler 13. A first slider is formed in the middle of the lower measuring jaw 11, and the first slider slides on the inner wall of the first slide groove. Both ends of the No. 2 spring 20 are fixedly connected to the bottom of the first slide groove and the bottom end of the first slider. A second slider is formed in the middle of the upper measuring jaw 12, and the second slider slides on the inner wall of the second slide groove. Both ends of the No. 1 spring 19 are respectively fixedly connected to the top of the second slide groove and the top of the second slider. A fixed plate is formed on one side of the upper measuring jaw 12 and the lower measuring jaw 11, and a small infrared ranging sensor 21 is installed on the lower side of the fixed plate on the upper measuring jaw 12.

[0047] In this embodiment: when it is necessary to measure the thickness of the annular metal forging, the lower measuring jaw 11 and the upper measuring jaw 12 are manually opened to clamp the annular metal forging, the No. 1 spring 19 and the No. 2 spring 20 are squeezed, the small infrared ranging sensor 21 and the inductive receiver 22 are turned on, and the rotating mechanism is started. When the annular metal forging rotates, the thickness is measured by the small infrared ranging sensor 21 emitting a laser, and the laser is irradiated to the fixed plate on the lower measuring jaw 11. Part of the laser is reflected back and received by the receiver on the small infrared ranging sensor 21. The light beam is processed by analog and digital circuits at the position of the receiving element, and analyzed by the microprocessor to calculate the corresponding output value. The small infrared ranging sensor 21 transmits the data to the display screen, and the thickness change can be seen intuitively, thereby realizing the measurement of the thickness of the annular metal forging.

[0048] Please refer to Figure 4 , 6 There is a No. 1 slide groove for the rack 16 to slide in the gauge body 1, and there is a No. 2 slide groove for the measuring ruler 13 to slide in the gauge body 1. The No. 2 slide groove is connected to the No. 1 slide groove, and the No. 2 slide groove is located above the No. 1 slide groove, and the length of the No. 2 slide groove is a small half of the No. 1 slide groove.

[0049] In this embodiment, the No. 1 slide groove in the gauge body 1 enables the rack 16 to slide, the No. 2 slide groove in the gauge body 1 enables the measuring ruler 13 to slide, and the No. 2 slide groove is connected to the No. 1 slide groove to enable the rack 16 to drive the measuring ruler 13 to slide.

[0050] Please refer to Figure 4 , 5 A rotating groove for the gear 17 to rotate is provided in the inspection tool body 1, and the rotating groove is located directly below the No. 1 slide groove, and the rotating groove intersects with the No. 1 slide groove.

[0051] In this embodiment, the rotating groove in the gauge body 1 realizes the rotation of the gear 17 , and the rotating groove intersects with the first slide groove to realize the gear 17 driving the rack 16 to slide.

[0052] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A gauge for detecting the thickness of a metal forging, comprising a gauge body (1), wherein the four corners of the bottom end of the gauge body (1) are fixedly connected to table legs (2), and a tripod (3) is fixedly connected to the top of the gauge body (1), characterized in that: The tripod (3) is divided into a circular part and three square parts, the three square parts are equidistantly arranged on the outer wall of the circular part, and the square parts of the tripod (3) are all provided with a sliding mechanism, the sliding mechanism is installed with a rotating mechanism, the gauge body (1) is provided with a driving mechanism, and the driving mechanism is installed with a measuring mechanism; The sliding mechanism in the moving state is used to drive the rotating mechanism to slide along the track of the square part; The three synchronously operated rotating mechanisms are used to drive the placed annular metal forgings to rotate; The driving mechanism in the moving state is used to drive the measuring mechanism to move along the axial direction to adapt to annular forgings of different diameters; The measuring mechanism is used to measure the thickness of the annular metal forging in a rotating state.

2. A gauge for detecting the thickness of a metal forging according to claim 1, characterized in that: The sliding mechanism comprises a first motor (4), a slider nut (8), a screw rod (9), and a fixing block (10); The three No. 1 motors (4) are installed above the inspection tool body (1), and the three No. 1 motors (4) are respectively located at the three ends of the tripod (3), the three fixing blocks (10) are fixedly connected to the circular part above the tripod (3), one end of the three screw rods (9) are respectively rotatably connected to the side walls of the three fixing blocks (10), and the other ends of the three screw rods (9) are respectively connected to the output ends of the three No. 1 motors (4) through couplings, the three slider nuts (8) are respectively threadedly connected to the outer walls of the three screw rods (9), and the three slider nuts (8) are respectively slidably connected to the square parts.

3. A gauge for detecting the thickness of a metal forging according to claim 2, characterized in that: The rotating mechanism comprises a second motor (5), an L-shaped base (6), a rotating wheel (14), and a first rotating shaft (15); The bottom ends of the three L-shaped bases (6) are respectively fixedly connected to the top ends of the three slider nuts (8); the three No. 2 motors (5) are respectively installed on the side walls of the three L-shaped bases (6); the three rotating wheels (14) are respectively rotatably connected to the top ends of the horizontal plates of the three L-shaped bases (6); a groove body for accommodating the (14) is provided on the L-shaped base (6); and the rotating wheel (14) partially protrudes from the top end of the L-shaped base (6); one ends of the three No. 1 rotating shafts (15) are respectively fixedly connected to the side walls of the three rotating wheels (14); and the other ends of the three No. 1 rotating shafts (15) are respectively connected to the output ends of the three No. 2 motors (5) through couplings and are rotatably connected to the L-shaped base (6).

4. A gauge for detecting the thickness of a metal forging according to claim 1, characterized in that: The driving mechanism comprises a turning handle (7), a rack (16), a gear (17), and a second rotating shaft (18); The gear (17) is rotatably connected to the inside of the gauge body (1), the rack (16) slides inside the gauge body (1), and the lower side tooth block of the rack (16) is meshed with the outer side of the gear (17), one end of the second rotating shaft (18) is fixedly connected to the side wall of the gear (17), and the other end of the second rotating shaft (18) passes through the side wall of the gauge body (1) and is rotatably connected to the gauge body (1), and the side wall of the turning handle (7) is fixedly connected to the other end of the second rotating shaft (18).

5. A gauge for detecting the thickness of a metal forging according to claim 4, characterized in that: The measuring mechanism comprises a lower measuring claw (11), an upper measuring claw (12), a measuring ruler (13), a No. 1 spring (19), a No. 2 spring (20), and a small infrared distance measuring sensor (21); The bottom end of the measuring ruler (13) is fixedly connected to the upper side of one end of the rack (16), and the measuring ruler (13) is provided with a first slide groove and a second slide groove. A first slider is formed in the middle of the lower measuring claw (11), and the first slider slides on the inner wall of the first slide groove. The two ends of the second spring (20) are fixedly connected to the bottom of the first slide groove and the bottom of the first slider. A second slider is formed in the middle of the upper measuring claw (12), and the second slider slides on the inner wall of the second slide groove. The two ends of the first spring (19) are respectively fixedly connected to the top of the second slide groove and the top of the second slider. A fixing plate is formed on one side of the upper measuring claw (12) and the lower measuring claw (11), and the small infrared ranging sensor (21) is installed on the lower side of the fixing plate on the upper measuring claw (12).

6. A gauge for detecting the thickness of a metal forging according to claim 5, characterized in that: The gauge body (1) has a first slide groove for the rack (16) to slide, and the gauge body (1) has a second slide groove for the measuring ruler (13) to slide. The second slide groove is connected to the first slide groove, and the second slide groove is located above the first slide groove, and the length of the second slide groove is a small half of the first slide groove.

7. A gauge for detecting the thickness of a metal forging according to claim 6, characterized in that: A rotation groove for the gear (17) to rotate is provided in the inspection tool body (1), and the rotation groove is located directly below the No. 1 slide groove, and the rotation groove intersects with the No. 1 slide groove.

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