Valve rod error detection equipment

Abstract

The utility model relates to the technical field of valve rod processing, and especially relates to a valve rod error detection device. The valve rod error detection equipment comprises a base, a positioning plate, a sliding frame, a push plate and the like, the left side of the upper portion of the base is fixedly connected with the positioning plate, the left side of the lower portion of the base is slidably connected with the sliding frame, and the upper portion of the sliding frame is fixedly connected with the push plate. By arranging the sliding frame, the push plate, the first measuring scale and the like, the first positioner is matched with the first measuring scale to quickly measure the width of the valve rod, and then by arranging the first screw rod, the lifting frame, the second measuring scale and the like, the second positioner is matched with the second measuring scale to quickly measure the height of the valve rod. And finally, a second screw rod, a limiting plate, a third measuring scale and the like are arranged, so that a third positioner is matched with the third measuring scale to quickly measure the length of the valve rod, manual measurement is not needed, the workload of workers is reduced, and errors of measured numerical values are also avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of valve rod processing, in particular to a valve rod error detection device. Background Art

[0002] The valve rod, also known as the piston rod, is a connecting component that supports the piston to do work. It mainly plays the role of transmitting torque and bearing load. Most of it is used in oil cylinders and cylinder motion actuators. It is a moving component with frequent movements and high technical requirements. Taking the hydraulic cylinder as an example, it is composed of: cylinder barrel, piston rod, piston, and end cover.

[0003] The quality of valve rod processing directly affects the life and reliability of the entire product. Therefore, before the valve rod is processed, in order to avoid the valve rod size being unqualified and affecting the processing quality, the valve rod must be individually tested for errors. In order to save costs, common measuring tools are generally used, such as micrometers, vernier calipers, rulers, tape measures, etc. The detection steps are that the staff directly uses any of the above measuring tools to measure the length, width and height of the valve rod respectively to determine whether there is an error in the valve rod size. However, during the measurement process, the entire measurement is performed manually, which results in a large workload for the staff and easily makes the staff fatigued, thereby reducing the subsequent measurement quality and causing errors in the measurement values.

[0004] Therefore, a valve rod error detection device is particularly needed to solve the problems existing in the prior art. Utility Model Content

[0005] In order to overcome the disadvantage that the entire measurement process is performed manually, resulting in a large workload for the staff, easily causing fatigue of the staff, thereby reducing the subsequent measurement quality and causing errors in the measurement values, the utility model provides a valve rod error detection device.

[0006] The utility model is realized by the following technical approaches: a valve rod error detection device comprises a base, a positioning plate, a sliding frame, a push plate, a first measuring ruler, a first locator, a first screw, a lifting frame, a second measuring ruler, a second screw, a limit plate and a third measuring ruler, wherein the left side of the upper part of the base is fixedly connected with the positioning plate, the left side of the lower part of the base is slidably connected with the sliding frame, the upper part of the sliding frame is fixedly connected with the push plate, the left side of the lower part of the base is embedded with the first measuring ruler, the left side of the sliding frame is fixedly connected with the first locator, the first locator is located in front of the first measuring ruler, the left side of the upper part of the base is threadedly connected with the first screw, the lifting frame is rotatably connected with the first screw, the left side of the upper part of the base is embedded with the second measuring ruler, the 0 scale line of the second measuring ruler is on the same horizontal plane as the placement table of the base, the right side of the upper part of the base is rotatably connected with the second screw, the limit plate is threadedly connected with the second screw, the limit plate is slidably connected with the base, and the front side of the lower part of the base is embedded with the third measuring ruler.

[0007] In a preferred embodiment of the present invention, a rubber pad is provided on one side of the push plate close to the lifting frame.

[0008] In a preferred embodiment of the present invention, a guide rod is provided on the lifting frame, and the guide rod can slide into the interior of the base to guide the lifting frame.

[0009] In a preferred embodiment of the utility model, it also includes a second locator and a third locator. The second locator is fixedly connected to the left side of the lifting frame, and the second locator is close to the surface of the second measuring scale. The third locator is fixedly connected to the front side of the lower part of the limit plate, and the third locator is close to the surface of the third measuring scale. The second locator and the third locator are both provided with sharp corners, and the centers of the sharp corners point to the scale lines of the second measuring scale and the third measuring scale.

[0010] In a preferred embodiment of the utility model, it also includes a U-shaped rod, a guide block, a protrusion and a return spring. The U-shaped rod is fixedly connected to the rear side of the sliding frame, the lower end of the first screw is rotatably connected to the guide block, and the lower part of the guide block is fixedly connected to the protrusion. The protrusion presses against the U-shaped rod, so that the sliding frame is fixed on the base. A symmetrically distributed return spring is sleeved on the rear side of the sliding frame, and the two ends of the return spring are respectively connected to the base and the sliding frame. The guide block is driven to move downward by the first screw, so that the protrusion is out of contact with the U-shaped rod, and the return spring assists the sliding frame to move backward.

[0011] In a preferred embodiment of the utility model, it also includes a limiting frame, a pressure plate and a scroll spring. The limiting frame is fixedly connected to the left side of the upper part of the base, and the left and right sides of the lifting frame are rotatably connected with pressure plates. The limiting frame is located in front of the pressure plate to block it, so that the pressure plate is vertically fixed on the lifting frame. A scroll spring is connected between the pressure plate and the lifting frame. The lifting frame drives the pressure plate to move downward and disengage from the limiting frame, and the scroll spring assists the pressure plate to rotate.

[0012] By adopting the above description of the structure of the utility model, it can be known that the design starting point, concept and advantages of the utility model are: 1. By setting a sliding frame, a push plate and a first measuring ruler, etc., the first positioner cooperates with the first measuring ruler to quickly measure the width of the valve rod, and then by setting a first screw rod, a lifting frame and a second measuring ruler, etc., the second positioner cooperates with the second measuring ruler to quickly measure the height of the valve rod. Finally, by setting a second screw rod, a limit plate and a third measuring ruler, etc., the third positioner cooperates with the third measuring ruler to quickly measure the length of the valve rod, thereby eliminating the need for manual measurement, reducing the workload of the staff, and avoiding errors in the measured values.

[0013] 2. By setting the limit frame, pressure plate and scroll spring, the lifting frame drives the pressure plate to move downward and disengage from the limit frame, and the scroll spring returns to its original shape, so that the pressure plate rotates 90 degrees to press the valve rod and fix the valve rod on the base, thereby improving the stability of the valve rod and preventing the movement of the valve rod from affecting the measurement effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0015] Figure 2 It is a three-dimensional structural schematic diagram of the first screw rod, the limiting frame, the lifting frame and other components of the utility model.

[0016] Figure 3 It is a three-dimensional structural schematic diagram of the sliding frame, return spring, guide block and other components of the utility model.

[0017] Figure 4 It is a three-dimensional structural schematic diagram of the sliding frame, the push plate and the return spring component of the utility model.

[0018] Figure 5 It is a three-dimensional cross-sectional structural schematic diagram of the lifting frame, pressure plate, scroll spring and other components of the utility model.

[0019] Figure 6 It is a three-dimensional structural schematic diagram of the base, the second screw rod and the limiting plate component of the utility model.

[0020] The markings of the components in the accompanying drawings are as follows: 1. base, 101. positioning plate, 2. sliding frame, 201. push plate, 3. first measuring scale, 4. first positioner, 5. reset spring, 6. U-shaped rod, 7. guide block, 701. protrusion, 8. first screw, 9. limit frame, 10. lifting frame, 11. pressure plate, 12. scroll spring, 13. second positioner, 14. second measuring scale, 15. second screw, 16. limit plate, 17. third positioner, 18. third measuring scale. DETAILED DESCRIPTION

[0021] Although the present invention may be described with respect to a specific application or industry, those skilled in the art will recognize the broader applicability of the present invention. Those of ordinary skill in the art will recognize that terms such as: above, below, upward, downward, etc. are used to describe the drawings and do not represent limitations on the scope of the present invention as defined by the appended claims. Any numerical designations such as: first or second are merely exemplary and are not intended to limit the scope of the present invention in any way.

[0022] Embodiment: A valve rod error detection device, see Figure 1-Figure 6 As shown, it includes a base 1, a positioning plate 101, a sliding frame 2, a push plate 201, a first measuring ruler 3, a first positioner 4, a first screw 8, a U-shaped rod 6, a guide block 7, a protrusion 701, a reset spring 5, a lifting frame 10, a second measuring ruler 14, a second positioner 13, a second screw 15, a limit plate 16, a third measuring ruler 18 and a third positioner 17. The positioning plate 101 is connected to the left side of the upper part of the base 1 by welding, the sliding frame 2 is slidably connected to the left side of the lower part of the base 1, and the push plate 201 is connected to the upper part of the sliding frame 2 by welding. The push plate 201 is close to the lifting frame. A rubber pad is provided on one side of the lower frame 10, a first measuring ruler 3 is embedded and connected to the left side of the lower part of the base 1, a first positioner 4 is connected to the left side of the sliding frame 2 by welding, and the first positioner 4 is located in front of the first measuring ruler 3, a first screw rod 8 is threadedly connected to the left side of the upper part of the base 1, a U-shaped rod 6 is connected to the rear side of the sliding frame 2 by welding, a guide block 7 is rotatably connected to the lower end of the first screw rod 8, a convex block 701 is connected to the lower part of the guide block 7 by welding, and the convex block 701 is pressed against the U-shaped rod 6, so that the sliding frame 2 is fixed on the base 1, and a symmetrically distributed reset spring is sleeved on the rear side of the sliding frame 2 The first screw rod 8 is rotatably connected to a lifting frame 10, and a guide rod is provided on the lifting frame 10. The guide rod can slide into the interior of the base 1 to guide the lifting frame 10. A second measuring ruler 14 is embedded and connected to the left side of the upper part of the base 1. The 0 scale line of the second measuring ruler 14 is on the same horizontal plane as the placement table of the base 1. A second locator 13 is connected to the left side of the lifting frame 10 by welding. The second locator 13 is close to the surface of the second measuring ruler 14. A second screw rod 15 is rotatably connected to the right side of the upper part of the base 1. The second screw rod 15 The upper thread is connected with a limit plate 16, which is slidably connected to the base 1. The lower front side of the base 1 is embedded with a third measuring scale 18. The lower front side of the limit plate 16 is connected with a third locator 17 by welding. The third locator 17 is in close contact with the surface of the third measuring scale 18, and the second locator 13 and the third locator 17 are both provided with sharp corners, the centers of which point to the scale lines of the second measuring scale 14 and the third measuring scale 18. The guide block 7 is driven downward by the first screw 8 to disengage the protrusion 701 from the U-shaped rod 6, and the return spring 5 assists the sliding frame 2 to move backward.

[0023] See also Figure 1 , Figure 2 and Figure 5 As shown, it also includes a limiting frame 9, a pressure plate 11 and a volute spring 12. The left side of the upper part of the base 1 is connected to the limiting frame 9 by welding. The left and right sides of the lifting frame 10 are rotatably connected with the pressure plates 11. The limiting frame 9 is located in front of the pressure plate 11 to block it, so that the pressure plate 11 is vertically fixed on the lifting frame 10. A volute spring 12 is connected between the pressure plate 11 and the lifting frame 10. The lifting frame 10 drives the pressure plate 11 to move downward and break away from the limiting frame 9. The volute spring 12 assists the pressure plate 11 to rotate.

[0024] Initially, the reset spring 5 is in a compressed state and the spiral spring 12 is in a deformed state. First, the staff places the valve rod to be tested on the base 1. The positioning plate 101 plays a positioning role, so that the staff can accurately place the valve rod. Then, the first screw rod 8 is turned downward by hand, so that the lifting frame 10 drives the guide block 7 to move downward, so that the protrusion 701 is out of contact with the U-shaped rod 6, and the reset spring 5 is restored to its original state, and then the sliding frame 2 drives the push plate 201 to move backward, so that the push plate 201 pushes the valve rod close to the base 1, and the push plate 201 also drives the first positioner 4 to move backward to a suitable position, so that the first positioner 4 cooperates with the first measuring ruler 3 to measure the width of the valve rod. At the same time, the lifting frame 10 drives the pressure plate 11 and the second positioner 13 to move downward. , so that the pressure plate 11 is out of contact with the limit frame 9, and the spiral spring 12 returns to its original shape, thereby causing the pressure plate 11 to rotate 90 degrees to press the valve rod and fix the valve rod on the base 1, thereby improving the stability of the valve rod and preventing the movement of the valve rod from affecting the measurement effect. The second positioner 13 and the second measuring ruler 14 cooperate to measure the height of the valve rod, and then the second screw 15 is turned by hand to make the limit plate 16 move to the left and cooperate with the positioning plate 101 to fix the valve rod, further improving the stability of the valve rod. At the same time, the limit plate 16 drives the third positioner 17 to move to the left, so that the third positioner 17 and the third measuring ruler 18 cooperate to measure the length of the valve rod, thereby eliminating the need for manual measurement, reducing the workload of the staff, and avoiding errors in the measured values.

[0025] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A valve rod error detection device, characterized in that: The invention comprises a base (1), a positioning plate (101), a sliding frame (2), a push plate (201), a first measuring ruler (3), a first positioner (4), a first screw rod (8), a lifting frame (10), a second measuring ruler (14), a second screw rod (15), a limit plate (16) and a third measuring ruler (18); the positioning plate (101) is fixedly connected to the left side of the upper part of the base (1); the sliding frame (2) is slidably connected to the left side of the lower part of the base (1); the push plate (201) is fixedly connected to the upper part of the sliding frame (2); the first measuring ruler (3) is embedded and connected to the left side of the lower part of the base (1); The left side of the sliding frame (2) is fixedly connected with a first positioner (4); the left side of the upper part of the base (1) is threadedly connected with a first screw rod (8); the first screw rod (8) is rotatably connected with a lifting frame (10); the left side of the upper part of the base (1) is embedded with a second measuring ruler (14); the 0 scale line of the second measuring ruler (14) is on the same horizontal plane as the placement table of the base (1); the right side of the upper part of the base (1) is rotatably connected with a second screw rod (15); the second screw rod (15) is threadedly connected with a limit plate (16); and the front side of the lower part of the base (1) is embedded with a third measuring ruler (18).

2. A valve rod error detection device according to claim 1, characterized in that: A rubber pad is provided on one side of the push plate (201) close to the lifting frame (10).

3. A valve rod error detection device according to claim 2, characterized in that: The lifting frame (10) is provided with a guide rod, and the guide rod can slide into the interior of the base (1).

4. A valve rod error detection device according to claim 3, characterized in that: The invention also comprises a second locator (13) and a third locator (17). The left side of the lifting frame (10) is fixedly connected with the second locator (13), and the second locator (13) is in close contact with the surface of the second measuring ruler (14). The front side of the lower part of the limiting plate (16) is fixedly connected with the third locator (17), and the third locator (17) is in close contact with the surface of the third measuring ruler (18).

5. A valve rod error detection device according to claim 4, characterized in that: The invention also comprises a U-shaped rod (6), a guide block (7), a protrusion (701) and a return spring (5); the rear side of the sliding frame (2) is fixedly connected with the U-shaped rod (6); the lower end of the first screw rod (8) is rotatably connected with the guide block (7); the lower part of the guide block (7) is fixedly connected with the protrusion (701); the protrusion (701) abuts against the U-shaped rod (6), so that the sliding frame (2) is fixed on the base (1); and the rear side of the sliding frame (2) is sleeved with symmetrically distributed return springs (5).

6. A valve rod error detection device according to claim 5, characterized in that: The invention also comprises a limiting frame (9), a pressure plate (11) and a spiral spring (12); the limiting frame (9) is fixedly connected to the left side of the upper part of the base (1); the pressure plates (11) are rotatably connected to the left and right sides of the lifting frame (10); the limiting frame (9) is located in front of the pressure plate (11) to block it, so that the pressure plate (11) is vertically fixed on the lifting frame (10); and the spiral spring (12) is connected between the pressure plate (11) and the lifting frame (10).

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