Novel symmetry degree sensor testing fixture

Abstract

The utility model discloses a novel symmetry degree sensor testing fixture which is high in detection efficiency and detection precision. The device comprises a base, and a left vertical plate and a right vertical plate which are arranged on the base in parallel, and is characterized in that a workpiece positioning mechanism is arranged between the left vertical plate and the right vertical plate, and an upper displacement sensor and a lower displacement sensor which are used for measuring the symmetry degree are respectively arranged above and below the positioning mechanism; the upper displacement sensor and the lower displacement sensor are connected with the manual valve in an electric control mode, and the manual valve is installed on the base.

Description

Technical Field

[0001] The utility model relates to the technical field of symmetry detection equipment for butterfly valve parts, in particular to a novel symmetry sensor detection equipment. Background Art

[0002] At present, in the process of measuring the symmetry of butterfly valve parts, traditional measurement methods may have some limitations. For example, manual measurement methods are easily affected by human factors, resulting in unstable measurement results.

[0003] A detection tool is now disclosed in the industry, and its announcement number is CN206330539U, which includes a first locking block and a second locking block. The bottom of the second locking block is fixed on the detection seat, and second screw holes are provided on both sides of the second locking block close to the second groove. The first locking block is installed on the side wall of the second locking block close to the second groove, and a third groove matching the second groove is provided in the middle of the side wall of the first locking block. The third groove and the second groove form a mounting hole, and a measuring meter is arranged in the mounting hole. The lower part of the measuring meter is arranged in the first groove, and the bottom end of the measuring meter is located on the outside of the first groove. Two first screw holes matching the second screw holes are provided on the second locking block, and the first screw hole and the second screw hole are screwed together by a hexagonal screw.

[0004] Although this tool improves the stability and accuracy of the measurement results, it may reduce the measurement efficiency due to its complex structure and cumbersome operation. It cannot meet the rapid detection of large quantities of butterfly valve parts, and its measurement accuracy is average. Summary of the invention

[0005] Aiming at the defects of low detection efficiency and general accuracy of the existing symmetry sensor checking fixture, the utility model provides a novel symmetry sensor checking fixture with high detection efficiency and detection accuracy.

[0006] The utility model provides the following technical solution: it comprises a base, a left vertical plate and a right vertical plate installed in parallel on the base, and is characterized in that a workpiece positioning mechanism is installed between the left vertical plate and the right vertical plate, an upper displacement sensor and a lower displacement sensor for symmetry measurement are respectively arranged above and below the positioning mechanism, the upper displacement sensor and the lower displacement sensor are electrically connected to a manual valve, and the manual valve is installed on the base.

[0007] It is further characterized by:

[0008] The workpiece positioning mechanism includes a fixed plate, a push plate is arranged behind the fixed plate, a limit sleeve is installed on the fixed plate, the number of the limit sleeves is set to three and they are distributed in a triangle, the limit sleeve is fixedly connected to the fixed plate by a hexagon socket cylindrical head screw, the same positioning pins are arranged below and on both sides of the limit sleeve, the number of the positioning pins is set to three and they are distributed in an inverted triangle, one end of the three positioning pins passes through the fixed plate and the push plate for fixed connection, a bushing is installed at the connection between the positioning pin and the fixed plate, and a limit pin is arranged at the lower end of the fixed plate.

[0009] The tops of the left and right vertical plates are respectively provided with card slots, and the rib plates are clamped in the card slots to connect the left and right vertical plates. A connecting block is clamped in the upper middle part of the rib plates. The rib plates are fixedly connected to the left and right vertical plates, and the connecting block is fixedly connected to the rib plates.

[0010] The upper displacement sensor is installed on the connecting block, the upper displacement sensor and the connecting block are rotatably connected, an upper bracket seat is arranged on the upper displacement sensor, and an upper clamping block is installed on the outer side of the upper bracket seat.

[0011] The lower displacement sensor is installed on the base below the left vertical plate and the right vertical plate, a lower bracket seat is arranged on the lower displacement sensor, and a lower clamping block is installed on the outer side of the lower bracket seat.

[0012] Positioning blocks are installed at the edges of both sides of the fixing plate. The positioning blocks are fixedly connected to the fixing plate through hexagon socket cylindrical head screws. A latch is arranged between the two positioning blocks. The latch is slidably connected to the positioning blocks.

[0013] A push rod is installed at the center of the push plate, a spring is installed on the push rod, and one end of the push rod passes through the fixed plate and is threadedly connected with the fixed plate.

[0014] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0015] 1. The positioning mechanism can realize the rapid installation and positioning of the workpiece, and the workpiece can be measured immediately after positioning, which saves the time required for measuring the symmetry of the workpiece. The setting of the limit sleeve can limit the workpiece in combination with the hexagon socket head bolt. The positioning pin can be used as an installation guide when assembling the workpiece. The setting of the rib plate can support and bear the load on the vertical plates on both sides, which enhances the stability of the positioning mechanism. The positioning block and the latch can limit the movement of the workpiece on a vertical and horizontal plane. The push rod drives the spring to compress through rotation to move the push plate so that the positioning pin and the workpiece are closely fitted. By setting the positioning block, positioning pin, limit pin, push plate and limit sleeve, the parts to be tested can be quickly fixed, which reduces the installation and positioning time, improves the efficiency of the test process, and also ensures the stability of the parts and reduces the errors caused by vibration or movement.

[0016] 2. The upper displacement sensor can quickly measure the symmetry above the workpiece. The upper bracket seat and the upper clamping block help to improve the stability of the upper displacement sensor's movement. The lower displacement sensor can quickly measure the symmetry below the workpiece. The lower bracket seat and the lower clamping block help to improve the stability of the lower displacement sensor. By setting the upper and lower displacement sensors, accurate displacement data can be obtained in the vertical direction. At the same time, the displacement sensor has a high response speed and can quickly measure the symmetry of parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 3 It is a top view of the overall structure of the utility model;

[0020] Figure 4 This is a rear view of the overall structure of the utility model;

[0021] Figure 5 This is an exploded view of the lower displacement sensor structure of the utility model.

[0022] Description of reference numerals:

[0023] 1. Base; 2. Left vertical plate; 3. Positioning block; 4. Rib plate; 5. Upper displacement sensor; 6. Upper bracket seat; 7. Connecting block; 8. Upper clamping block; 9. Limit sleeve; 10. Positioning pin; 11. Bushing; 12. Right vertical plate; 13. Latch; 14. Limit pin; 15. Manual valve; 16. Lower clamping block; 17. Lower bracket seat; 18. Lower displacement sensor; 19. Push plate; 20. Spring. DETAILED DESCRIPTION

[0024] The utility model will be further described in detail below in conjunction with the accompanying drawings.

[0025] See Figure 1 to Figure 5 A novel symmetry sensor inspection fixture comprises a base 1, a left vertical plate 2 and a right vertical plate 12 mounted in parallel on the base 1, a workpiece positioning mechanism is installed between the left vertical plate 2 and the right vertical plate 12, an upper displacement sensor 6 and a lower displacement sensor 18 for symmetry measurement are respectively arranged above and below the positioning mechanism, the upper displacement sensor 6 and the lower displacement sensor 18 are electrically connected to a manual valve 15, and the manual valve 15 is installed on the base 1.

[0026] In this embodiment, the workpiece positioning mechanism includes a fixed plate, a push plate 19 is arranged behind the fixed plate, a limit sleeve 9 is installed on the fixed plate, the number of the limit sleeves 9 is set to three and they are distributed in a triangle, the limit sleeves 9 are fixedly connected to the fixed plate by a hexagon socket cylindrical head screw, the same positioning pins 10 are arranged below and on both sides of the limit sleeve 9, the number of the positioning pins 10 is set to three and they are distributed in an inverted triangle, one end of the three positioning pins 10 passes through the fixed plate and the push plate 19 and is fixedly connected, a bushing 11 is installed at the connection between the positioning pin 10 and the fixed plate, a limit pin 14 is arranged at the lower end of the fixed plate, and the number of the limit pins 14 is determined according to the number of detection parts, Figure 1 In the embodiment, the tops of the left vertical plate 2 and the right vertical plate 12 are respectively provided with card slots, the rib plate 4 is clamped in the card slots to connect the left vertical plate 2 and the right vertical plate 12, the upper middle part of the rib plate 4 is clamped with a connecting block 7, the rib plate 4 is fixedly connected to the left vertical plate 2 and the right vertical plate 12, the connecting block 7 is fixedly connected to the rib plate 4, the upper displacement sensor 5 is installed on the connecting block 7, the upper displacement sensor 5 is rotatably connected to the connecting block 7, the upper displacement sensor 5 is provided with an upper bracket seat 6, the outer side of the upper bracket seat 6 is installed with an upper clamping block 8, the left vertical plate 2 and the right vertical plate 1 2, a lower displacement sensor 18 is installed on the base 1, a lower bracket seat 17 is arranged on the lower displacement sensor 18, a lower clamping block 16 is installed on the outer side of the lower bracket seat 17, positioning blocks 3 are installed at the edges of both sides of the fixed plate, the positioning blocks 3 are fixedly connected to the fixed plate by hexagon socket cylindrical head screws, a latch 13 is arranged between the two positioning blocks 3, the latch 13 and the positioning blocks 3 are slidably connected, a push rod is installed at the center of the push plate 19, a spring 20 is installed on the push rod, one end of the push rod passes through the fixed plate and is threadedly connected to the fixed plate.

[0027] Working principle of this utility model:

[0028] Refer to the instruction manual Figure 1-Figure 5 When using the utility model, firstly, the workpiece to be measured is loaded into the inspection fixture, and the pin 13 is inserted into the positioning block 3, the part to be measured, and the positioning block 3 in sequence, and then by moving the push rod, under the action of the elastic force of the spring 20, the positioning pin 10 and the workpiece are tightly attached, and the manual valve 15 is started. The upper displacement sensor 5 and the lower displacement sensor 18 are driven to contact the parts by compressed air, and the displacement value of the displacement sensor will be quickly transmitted to the display. At this time, the displacement value is the symmetry value. At the same time, the upper displacement sensor 5 and the lower displacement sensor 18 ensure the accuracy of the measurement, and the limit sleeve 9 is distributed in an equilateral triangle and the positioning pin 10 is distributed in an inverted triangle, which ensures the rapid positioning of the workpiece. After rapid positioning, the rapid measurement is completed, ensuring accurate and rapid measurement, thereby ensuring the measurement accuracy and efficiency.

Claims

1. A novel symmetry sensor inspection fixture, comprising a base (1), a left vertical plate (2) and a right vertical plate (12) mounted in parallel on the base (1), characterized in that: A workpiece positioning mechanism is installed between the left vertical plate (2) and the right vertical plate (12); an upper displacement sensor (5) and a lower displacement sensor (18) for measuring symmetry are respectively arranged above and below the positioning mechanism; the upper displacement sensor (5) and the lower displacement sensor (18) are electrically connected to a manual valve (15); and the manual valve (15) is installed on the base (1).

2. According to claim 1, the novel symmetry sensor inspection tool is characterized by: The workpiece positioning mechanism comprises a fixed plate, a push plate (19) is arranged behind the fixed plate, a limit sleeve (9) is installed on the fixed plate, the limit sleeve (9) is arranged in three numbers and distributed in a triangle, the limit sleeve (9) is fixedly connected to the fixed plate by a hexagon socket head screw, the same positioning pins (10) are arranged below and on both sides of the limit sleeve (9), the positioning pins (10) are arranged in three numbers and distributed in an inverted triangle, one end of the three positioning pins (10) passes through the fixed plate and the push plate (19) for fixed connection, a bushing (11) is installed at the connection between the positioning pin (10) and the fixed plate, and a limit pin (14) is arranged at the lower end of the fixed plate.

3. A novel symmetry sensor gauge according to claim 1 or 2, characterized in that: The tops of the left vertical plate (2) and the right vertical plate (12) are respectively provided with slots, the rib plate (4) is mounted in the slots to connect the left vertical plate (2) and the right vertical plate (12), a connecting block (7) is mounted in the middle of the upper portion of the rib plate (4), the rib plate (4) and the left vertical plate (2) and the right vertical plate (12) are fixedly connected, and the connecting block (7) and the rib plate (4) are fixedly connected.

4. According to claim 3, the novel symmetry sensor inspection tool is characterized in that: The upper displacement sensor (5) is mounted on the connecting block (7), the upper displacement sensor (5) and the connecting block (7) are rotatably connected, an upper bracket seat (6) is provided on the upper displacement sensor (5), and an upper clamping block (8) is mounted on the outer side of the upper bracket seat (6).

5. The novel symmetry sensor inspection tool according to claim 2 is characterized in that: The base (1) is installed with the lower displacement sensor (18) below the left vertical plate (2) and the right vertical plate (12), a lower bracket seat (17) is arranged on the lower displacement sensor (18), and a lower clamping block (16) is installed on the outer side of the lower bracket seat (17).

6. The novel symmetry sensor inspection tool according to claim 5 is characterized in that: Positioning blocks (3) are installed at both side edges of the fixing plate, the positioning blocks (3) are fixedly connected to the fixing plate via hexagon socket head screws, a latch (13) is provided between the two positioning blocks (3), and the latch (13) and the positioning blocks (3) are slidably connected.

7. The novel symmetry sensor inspection tool according to claim 6 is characterized in that: A push rod is installed at the center of the push plate (19), a spring (20) is installed on the push rod, and one end of the push rod passes through the fixed plate and is threadedly connected to the fixed plate.

Images