Gauge centering adjusting mechanism

Abstract

The utility model discloses a checking fixture centering adjusting mechanism which comprises a checking fixture centering adjusting machine base, a circular gear is arranged in the middle of the upper portion in the checking fixture centering adjusting machine base, a left side linear gear and a right side linear gear are arranged on the two sides of the circular gear respectively, the left side linear gear is arranged on the inner side of a left half end moving frame, and the right side linear gear is arranged on the inner side of a right half end moving frame. The right side linear gear is arranged on the inner side of the right half end moving frame, and a second hydraulic push rod and a first hydraulic push rod are arranged on the two sides of the lower portion of the interior of the checking fixture centering adjusting machine base respectively. According to the utility model, the gear transmission principle is utilized to enable the left half end moving frame and the right half end moving frame to operate at the same time, the consistent operation speed can be ensured, the constant instantaneous transmission ratio can be ensured, the stability is higher, and the centering adjustment of the centering adjustment clamping plate is more accurate and reliable, so that the precision of the product testing fixture is greatly improved, the deviation is not easy to occur, and the production efficiency is improved. The working efficiency is high.

Description

Technical Field

[0001] This utility model relates to the field of inspection tools, specifically an inspection tool centering adjustment mechanism. Background Technology

[0002] Inspection fixtures are simple tools used by industrial manufacturing enterprises to control 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, thread plug gauges, and outside diameter calipers. In a broader sense, any special dimensional error detection tool that is adjustable and whose most parts can be reused can be classified as a flexible inspection fixture. Flexible inspection fixtures can complete the inspection of different models or products through appropriate adjustments, so they have the characteristics of one-to-many, small space occupation, and less material waste. At the same time, flexible inspection fixtures are usually modular in structure, and the manufacturing cycle is usually relatively short.

[0003] The existing technology for the centering adjustment mechanism of the inspection fixture still has certain drawbacks in use. The traditional centering adjustment method is inaccurate, and the adjustment position will have a certain deviation, resulting in the product not being placed in the center accurately, which affects the accuracy of the inspection fixture. Utility Model Content

[0004] The purpose of this invention is to provide a fixture centering adjustment mechanism to solve the problem that the traditional centering adjustment method mentioned in the background art is inaccurate, the adjustment position will have a certain deviation, resulting in the product not being placed in the center accurately, thus affecting the accuracy of the fixture.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a gauge centering adjustment mechanism, comprising a gauge centering adjustment base, a circular gear located at the upper center of the interior of the gauge centering adjustment base, a left linear gear and a right linear gear located on both sides of the circular gear, the left linear gear being located inside the left half of the moving frame, and the right linear gear being located inside the right half of the moving frame, a second hydraulic push rod and a first hydraulic push rod located on both sides of the lower interior of the gauge centering adjustment base, a maintenance cover located on the top of the gauge centering adjustment base, fixing clips located on both sides of the bottom surface of the maintenance cover, and the fixing clips being fixedly connected to the gauge centering adjustment base by a first fixing bolt, a balancing moving seat located at both ends of the upper part of the maintenance cover, a centering adjustment clamping plate located inside the balancing moving seat, and a connecting column located between the centering adjustment clamping plate and the balancing moving seat.

[0006] In a further embodiment, the left half-end movable frame and the second hydraulic push rod are slidably connected through the first slider and the first slide groove, and the first slider and the left half-end movable frame are fixedly connected through the first fixed ear.

[0007] In a further embodiment, the right half-end movable frame and the second hydraulic push rod are slidably connected through the second slider and the second slide groove, and the second slider and the right half-end movable frame are fixedly connected through the second fixed ear, and the second slider and the first slider are slidably connected to the gauge centering adjustment base through the limiting slider and the limiting slide groove.

[0008] In a further embodiment, one side of the right half of the movable frame is connected to the left half of the movable frame via a second positioning guide rod. One end of the second positioning guide rod is welded to the right half of the movable frame, and the other end of the second positioning guide rod is slidably connected to the left half of the movable frame.

[0009] In a further embodiment, the other side of the left half of the movable frame is connected to the right half of the movable frame via a first positioning guide rod. One end of the first positioning guide rod is welded to the left half of the movable frame, and the other end of the first positioning guide rod is slidably connected to the right half of the movable frame.

[0010] In a further embodiment, the bottom surface of the balance moving seat is connected to both the left half moving frame and the right half moving frame via a combined inlay block and a combined inlay groove, and the combined inlay block and the combined inlay groove are fixedly connected by a second fixing bolt.

[0011] Compared with the prior art, the beneficial effects of this utility model are: by utilizing the principle of gear transmission, the left half of the moving frame and the right half of the moving frame can run simultaneously and ensure that the running speed is consistent, thus ensuring a constant instantaneous transmission ratio and high stability. This makes the centering adjustment plate more accurate and reliable, thereby greatly improving the accuracy of the product inspection tool, reducing the likelihood of deviation, and increasing work efficiency. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the centering adjustment mechanism of a gauge according to the present invention;

[0013] Figure 2 This is a schematic diagram of the structure of the combined inlay block of this utility model;

[0014] Figure 3 This is a top view of a gauge centering adjustment mechanism according to the present invention;

[0015] Figure 4 This is a top view of the left linear gear, right linear gear, and circular gear of this utility model;

[0016] Figure 5 This is a schematic diagram of the bottom structure of the centering adjustment base of the inspection tool of this utility model.

[0017] In the diagram: 1. Grip centering adjustment base; 2. Inspection cover; 3. First fixing bolt; 4. Fixing clip; 5. Balance moving seat; 6. Connecting column; 7. Centering adjustment clamp; 8. Combined insert block; 9. Second fixing bolt; 10. Combined insert groove; 11. Left half moving frame; 12. First positioning guide rod; 13. First fixing ear; 14. First slide groove; 15. Left linear gear; 16. Circular gear; 17. Second slide groove; 18. Second fixing ear; 19. Right half moving frame; 20. Second positioning guide rod; 21. Second slider; 22. First slider; 23. Second hydraulic push rod; 24. First hydraulic push rod; 25. Limiting slider; 26. Limiting slide groove; 27. Right linear gear. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0019] Please see Figure 1-5 An embodiment of this utility model provides a gauge centering adjustment mechanism, comprising a gauge centering adjustment base 1. A spur gear 16 is located at the center of the upper part of the gauge centering adjustment base 1. A left linear gear 15 and a right linear gear 27 are respectively located on both sides of the spur gear 16. The left linear gear 15 is located inside the left half-end moving frame 11, and the right linear gear 27 is located inside the right half-end moving frame 19. A second hydraulic push rod 23 and a first hydraulic push rod 24 are respectively located on both sides of the lower part of the gauge centering adjustment base 1. A maintenance cover 2 is located on the top of the gauge centering adjustment base 1. Fixing clips 4 are located on both sides of the bottom surface of the maintenance cover 2, and the fixing clips 4 are fixedly connected to the gauge centering adjustment base 1 by a first fixing bolt 3. Balance moving seats 5 are located at both ends of the upper part of the maintenance cover 2. A centering adjustment clamp 7 is located inside the balance moving seat 5, and a connecting column 6 is located between the centering adjustment clamp 7 and the balance moving seat 5.

[0020] The circular gear 16 is used to ensure the simultaneous operation of the left linear gear 15 and the right linear gear 27, and to ensure the stability of their operation. The left half-end moving frame 11 and the right half-end moving frame 19 are used to move the balance moving seat 5. The second hydraulic push rod 23 and the first hydraulic push rod 24 are used to provide power to the left half-end moving frame 11 and the right half-end moving frame 19, and to extend and adjust them. The inspection cover 2 is used to open or close the gauge centering adjustment base 1 for easy internal maintenance. The balance moving seat 5 is used to increase the stability of the centering adjustment clamp 7. The centering adjustment clamp 7 is used to adjust the centering of the product.

[0021] The left half of the movable frame 11 and the second hydraulic push rod 23 are slidably connected to the first slide groove 14 via the first slider 22, and the first slider 22 is fixedly connected to the left half of the movable frame 11 via the first fixed ear 13. The first slider 22 is used to connect the left half of the movable frame 11 to the second hydraulic push rod 23, so that the adjustment of the left half of the movable frame 11 is easier.

[0022] The right half-end moving frame 19 and the second hydraulic push rod 23 are slidably connected to the second slide groove 17 via the second slider 21, and the second slider 21 and the right half-end moving frame 19 are fixedly connected via the second fixed ear 18. The second slider 21 and the first slider 22 are slidably connected to the gauge centering adjustment base 1 via the limiting slider 25 and the limiting slide groove 26. The second slider 21 is used to connect the right half-end moving frame 19 and the second hydraulic push rod 23, making the adjustment of the right half-end moving frame 19 easier.

[0023] One side of the right half-end movable frame 19 is connected to the left half-end movable frame 11 through the second positioning guide rod 20. One end of the second positioning guide rod 20 is welded to the right half-end movable frame 19, and the other end of the second positioning guide rod 20 is slidably connected to the left half-end movable frame 11. The second positioning guide rod 20 is used to guide and position the movement of the right half-end movable frame 19.

[0024] The other side of the left half of the movable frame 11 is connected to the right half of the movable frame 19 through a first positioning guide rod 12. One end of the first positioning guide rod 12 is welded to the left half of the movable frame 11, and the other end of the first positioning guide rod 12 is slidably connected to the right half of the movable frame 19. The first positioning guide rod 12 is used to guide and position the left half of the movable frame 11.

[0025] The bottom surface of the balance moving seat 5 is connected to the left half moving frame 11 and the right half moving frame 19 through the combined inlay block 8 and the combined inlay groove 10. The combined inlay block 8 and the combined inlay groove 10 are fixedly connected by the second fixing bolt 9. The connection between the combined inlay block 8 and the combined inlay groove 10 facilitates the installation or removal of the balance moving seat 5.

[0026] Working principle: In use, the centering adjustment base 1 of the inspection fixture is installed in the required position of the inspection fixture using bolts. The product is placed inside the centering adjustment base 1 of the inspection fixture. The second hydraulic push rod 23 and the first hydraulic push rod 24 simultaneously drive the right half moving frame 19 and the left half moving frame 11 to move towards the center, so that the left linear gear 15, the right linear gear 27 and the spherical gear 16 are transmitted by gear, so that the centering adjustment clamp 7 moves towards the center, and the position of the product is adjusted to be centered, so that the inspection fixture can inspect the product.

[0027] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A fixture centering adjustment mechanism, comprising a fixture centering adjustment base (1), characterized in that: A spur gear (16) is located at the upper center of the interior of the centering adjustment base (1). A left linear gear (15) and a right linear gear (27) are located on both sides of the spur gear (16). The left linear gear (15) is located inside the left half-end moving frame (11), and the right linear gear (27) is located inside the right half-end moving frame (19). A second hydraulic push rod (23) and a first hydraulic push rod are located on both sides of the lower interior of the centering adjustment base (1). (24) The top of the inspection tool centering adjustment base (1) is provided with an inspection cover (2). The bottom surface of the inspection cover (2) is provided with fixing cards (4) on both sides. The fixing cards (4) are fixedly connected to the inspection tool centering adjustment base (1) by the first fixing bolt (3). The two ends above the inspection cover (2) are provided with balance moving seats (5). The inner side of the balance moving seat (5) is provided with a centering adjustment clamp (7). A connecting column (6) is provided between the centering adjustment clamp (7) and the balance moving seat (5).

2. The gauge centering adjustment mechanism according to claim 1, characterized in that: The left half-end movable frame (11) and the second hydraulic push rod (23) are slidably connected through the first slider (22) and the first slide groove (14), and the first slider (22) and the left half-end movable frame (11) are fixedly connected through the first fixed ear (13).

3. The gauge centering adjustment mechanism according to claim 1, characterized in that: The right half-end moving frame (19) and the second hydraulic push rod (23) are slidably connected through the second slider (21) and the second slide groove (17), and the second slider (21) and the right half-end moving frame (19) are fixedly connected through the second fixed ear (18), and the second slider (21) and the first slider (22) and the inspection tool centering adjustment base (1) are all slidably connected through the limiting slider (25) and the limiting slide groove (26).

4. The gauge centering adjustment mechanism according to claim 1, characterized in that: One side of the right half-end movable frame (19) is connected to the left half-end movable frame (11) through a second positioning guide rod (20). One end of the second positioning guide rod (20) is connected to the right half-end movable frame (19) by welding, and the other end of the second positioning guide rod (20) is connected to the left half-end movable frame (11) by sliding.

5. The gauge centering adjustment mechanism according to claim 1, characterized in that: The other side of the left half-end movable frame (11) is connected to the right half-end movable frame (19) through a first positioning guide rod (12). One end of the first positioning guide rod (12) is connected to the left half-end movable frame (11) by welding, and the other end of the first positioning guide rod (12) is connected to the right half-end movable frame (19) by sliding connection.

6. The gauge centering adjustment mechanism according to claim 1, characterized in that: The bottom surface of the balance moving seat (5) is connected to the left half moving frame (11) and the right half moving frame (19) through the combined inlay block (8) and the combined inlay groove (10), and the combined inlay block (8) and the combined inlay groove (10) are fixedly connected by the second fixing bolt (9).

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