Electro-pneumatic valve positioning device

Abstract

The utility model relates to an electro-pneumatic valve positioning device, which belongs to the technical field of electro-pneumatic valve production and processing, and comprises a processing table, a mechanical arm and an electric polisher are arranged on the processing table, and a valve casting and an overturning positioning structure are arranged on the processing table. According to the electro-pneumatic valve positioning device, two electric push rods in the feeding component are used for controlling two positioning clamps to move towards the opposite sides, so that a valve casting is fixed to the supporting frame through the two positioning clamps, then a double-brake motor is started, and a connecting column in the connecting component is controlled to rotate by 90 degrees through mechanical transmission; the valve casting is controlled to rotate by 90 degrees, one end face of the valve casting faces upwards, a mechanical arm can conveniently control an electric polisher to conduct burr polishing work, then a double-brake motor is used for controlling the valve casting to rotate by 180 degrees, the other end face of the valve casting is turned upwards, and polishing work of the second end face is facilitated; and the labor intensity of workers is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical valve production and processing technical field, concretely is a kind of electrical valve positioning device. BACKGROUND

[0002] Valve production and processing process includes casting, machining, heat treatment, surface treatment, assembly, performance test, packaging and warehousing etc. process steps, start casting is to pour molten metal into the mold made in advance, and the required casting is obtained after cooling and solidification, common casting method has sand casting, precision casting etc., and sand casting has lower cost, but casting precision and surface quality are relatively poor, and precision casting can obtain higher precision and surface quality, but cost is higher, and machining is machining to the valve blank after forging or casting to achieve the size precision and surface roughness of design requirement, mainly including turning, milling, drilling and polishing etc.

[0003] At present, in the prior art, when machining electrical valve production and processing, it is necessary to use electric sander to polish the end face of casting, so as to remove the burr of the end face of casting, and under normal circumstances, the valve casting is fixed by using electrical valve positioning device, one end face is polished first, then the casting is turned over and the second end face is polished, and different size clamps are needed to process valve castings of different sizes, so that the operation is more troublesome, the labor intensity of workers is large, and therefore an electrical valve positioning device is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] In view of the defects of the prior art, the utility model provides an electrical valve positioning device, which has the advantages of automatic fixing and turning over valve casting, solves the problem that when machining electrical valve production and processing, it is necessary to use electric sander to polish the end face of casting, so as to remove the burr of the end face of casting, and under normal circumstances, the valve casting is fixed by using electrical valve positioning device, one end face is polished first, then the casting is turned over and the second end face is polished, and different size clamps are needed to process valve castings of different sizes, so that the operation is more troublesome, the labor intensity of workers is large.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: an electrical valve positioning device, comprising a machining table, a mechanical arm and an electric sander are arranged on the machining table, a valve casting and a turnover positioning structure are arranged on the machining table.

[0006] The turnover positioning structure comprises a mounting frame fixedly installed on the top of the machining table, a supporting frame installed on the mounting frame, a connecting component provided on the mounting frame and facilitating rotation of the supporting frame, two positioning clamps for clamping and fixing valve castings, a feeding component installed on the supporting frame and used for controlling movement of the two positioning clamps to opposite sides or opposite directions, and a guide component provided in the supporting frame and used for limiting movement tracks of the two positioning clamps.

[0007] Further, the driving assembly comprises a double-brake motor fixedly installed on the left side of the mounting frame, a transmission component provided on the top of the double-brake motor and used for driving rotation of the connecting component, and a sensing component installed on the connecting component and used for monitoring a rotation angle of the supporting frame.

[0008] Further, the mechanical arm is fixedly installed on the machining table, and the electric polisher is fixedly installed on one end of the mechanical arm.

[0009] Further, the connecting component comprises two connecting columns, the two connecting columns are respectively fixedly installed on the left and right sides of the supporting frame, and one end of each of the two connecting columns penetrates through the mounting frame and is rotationally connected with the mounting frame.

[0010] Further, the feeding component comprises two electric push rods, the two electric push rods are respectively fixedly installed on the supporting frame, and the telescopic ends of the two electric push rods are respectively fixedly connected with the opposite sides of the two positioning clamps.

[0011] Further, the guide component comprises two limiting blocks, the two limiting blocks are respectively fixedly installed on the bottoms of the two positioning clamps, a limiting groove is formed in the supporting frame, and the outer surfaces of the two limiting blocks are respectively in sliding connection with the inner walls of the limiting groove.

[0012] Further, the sensing component comprises two angle sensors, one end of each of the two angle sensors is fixedly connected with the connecting column, and the two angle sensors are respectively electrically connected with the double-brake motor.

[0013] Further, the transmission component comprises two bevel gears, the outer surfaces of the two bevel gears are in engagement, and the two bevel gears are respectively fixedly installed on the outer surfaces of the output shaft of the double-brake motor and the left connecting column.

[0014] Compared with the prior art, the technical scheme has the following beneficial effects:

[0015] The electric valve positioning device is provided with the turnover positioning structure, two electric push rods in the feeding component are used to control two positioning clamps to move to the opposite side, the valve casting is fixed on the support frame through the two positioning clamps, then the double brake motor is started and the connecting column in the mechanical transmission control connecting component is rotated by 90 degrees, so that the valve casting is controlled to rotate by 90 degrees, one end face of the valve casting faces upward, the burr polishing work of the electric polisher controlled by the mechanical arm is facilitated, then the valve casting is controlled to rotate by 180 degrees through the double brake motor, so that the other end face of the valve casting is turned upward, the polishing work of the second end face is facilitated, the labor intensity of workers is reduced, and different sizes of valve castings can be fixed, so that the practicability of the electric valve positioning device is enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the utility model Figure 1 It is an enlarged view of A in the structural schematic diagram of the utility model;

[0018] Figure 3 It is an enlarged view of the support frame in the structural schematic diagram of the utility model Figure 1 It is an enlarged view of the support frame in the structural schematic diagram of the utility model

[0019] Figure 4 It is a perspective view of the support frame, the feeding component and the positioning clamp in the structural schematic diagram of the utility model.

[0020] In the drawing: 1, machining table; 2, mechanical arm; 3, electric polisher; 41, mounting frame; 42, support frame; 43, connecting component; 44, positioning clamp; 45, feeding component; 46, guide component; 47, double brake motor; 48, transmission component; 49, induction component; 5, valve casting. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figures 1 to 4 In the embodiment, the electric valve positioning device comprises a machining table 1, the machining table 1 is provided with a mechanical arm 2 and an electric polisher 3, the machining table 1 is provided with a valve casting 5 and a turnover positioning structure, the mechanical arm 2 is fixedly installed on the machining table 1, and the electric polisher 3 is fixedly installed on one end of the mechanical arm 2.

[0023] Embodiment one: please refer to Figures 1 to 4 In the embodiment, the overturning positioning structure comprises a mounting frame 41 fixedly installed on the top of the machining table 1, a supporting frame 42 installed on the mounting frame 41, a connecting component 43 provided on the mounting frame 41 and facilitating rotation of the supporting frame 42, two positioning clamps 44 for clamping and fixing the valve castings 5 and slidably installed on the supporting frame 42, and a feeding component 45 for controlling movement of the two positioning clamps 44 to opposite sides or to opposite directions and installed on the supporting frame 42. The feeding component 45 comprises two electric push rods, the two electric push rods are respectively fixedly installed on the supporting frame 42, and the extension ends of the two electric push rods are respectively fixedly connected with the opposite sides of the two positioning clamps 44, so as to facilitate control of left and right movement of the positioning clamps 44 by the extension of the electric push rods, thereby fixing valve castings 5 of different sizes. The inside of the supporting frame 42 is provided with a guide component 46 for limiting the movement track of the two positioning clamps 44. The guide component 46 comprises two limiting blocks, the two limiting blocks are respectively fixedly installed on the bottom of the two positioning clamps 44, the supporting frame 42 is provided with a limiting groove, and the outer surfaces of the two limiting blocks are respectively in sliding connection with the inner walls of the limiting groove, so as to realize linear movement of the positioning clamps 44 on the supporting frame 42. The mounting frame 41 is provided with a driving assembly for driving rotation of the supporting frame 42.

[0024] The connecting component 43 comprises two connecting columns, the two connecting columns are respectively fixedly installed on the left and right sides of the supporting frame 42, and one end of each of the two connecting columns penetrates through the mounting frame 41 and is in rotational connection with the mounting frame 41, so as to facilitate rotation of the supporting frame 42 in the inside of the mounting frame 41.

[0025] The above technical scheme realizes cooperation of the feeding component 45 and the guide component 46 in the overturning positioning structure, can accurately clamp and fix the valve castings 5, ensures that the valve castings 5 will not displace during polishing, guarantees polishing precision, utilizes the driving assembly to control rotation of the supporting frame 42, so that the valve castings 5 can reach a predetermined polishing position after overturning, thereby improving automation degree and reducing labor intensity of workers.

[0026] Embodiment two: please refer to Figures 1 to 4In the embodiment, the driving assembly includes a double brake motor 47 fixedly installed on the left side of the mounting frame 41, the top of the double brake motor 47 is provided with a transmission component 48 for driving the connecting component 43 to rotate, the connecting component 43 is installed with a sensing component 49 for monitoring the rotation angle of the support frame 42, the sensing component 49 includes two angle sensors, the two angle sensors are fixedly connected with one end of the two connecting columns respectively, and the two angle sensors are electrically connected with the double brake motor 47, so that the rotation angle of the support frame 42 can be monitored by using the angle sensors and the double brake motor 47 can be stopped in time.

[0027] The transmission component 48 includes two conical gears, the outer surfaces of the two conical gears are engaged, and the two conical gears are fixedly installed on the outer surfaces of the output shaft of the double brake motor 47 and the left connecting column respectively, so that the rotating output shaft drives the connecting column to rotate through the two engaged conical gears.

[0028] By adopting the above technical scheme, the double brake motor 47 is started, power is transmitted to the left connecting column through the two engaged conical gears in the transmission component 48, and then the support frame 42 is driven to rotate, in the rotating process, the angle sensors in the sensing component 49 monitor the rotation angle of the support frame 42 in real time, when the support frame 42 rotates to a preset angle, the angle sensors transmit a signal to the double brake motor 47, the double brake motor 47 stops rotating, and at the same time, the brake device of the double brake motor 47 starts to work, so that the support frame 42 is fixed at the position, and the new end face of the valve casting 5 can be polished.

[0029] The working principle of the above embodiment is as follows:

[0030] When the electrical valve positioning device is used, the operator places the valve casting 5 on the support frame 42, at this time, the two electric push rods in the feeding component 45 start to work, the telescopic ends of the electric push rods drive the two positioning clamps 44 to move to the opposite side, since the limiting blocks in the guide component 46 slide in the limiting grooves, the movement track of the positioning clamps 44 is limited, so that the two positioning clamps 44 can stably and accurately approach the valve casting 5, and finally the valve casting 5 is firmly clamped and fixed.

[0031] When the end face of the valve casting 5 needs to be polished, the driving assembly starts to work, the double brake motor 47 starts to work, power is transmitted to the left connecting column through the two engaged conical gears in the transmission component 48, and then the support frame 42 is driven to rotate, in the rotating process, the angle sensors in the sensing component 49 monitor the rotation angle of the support frame 42 in real time, when the support frame 42 rotates to a preset angle, the angle sensors transmit a signal to the double brake motor 47, the double brake motor 47 stops rotating, and at the same time, the brake device of the double brake motor 47 starts to work, so that the support frame 42 is fixed at the position, and the new end face of the valve casting 5 can be polished.

[0032] It has to be noted that, in the present document, the terms "first", "second", etc. merely serve to identify a subject or action from another subject or action, without necessarily requiring or implying any actual such relationship or order between such subjects or actions. Moreover, the terms "comprising", "containing", or any other similar term are intended to encompass non-exclusive inclusions, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements in the list, but can also include other elements not expressly listed, or also include elements inherent in such process, method, article, or apparatus. An element proceeded by "comprises a... " does not, without further restrictions, exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0033] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An electric valve positioner comprising a processing station (1), characterized in that: The machining table (1) is provided with a mechanical arm (2) and an electric polisher (3), and the machining table (1) is provided with a valve casting (5) and a turnover positioning structure. The turnover positioning structure comprises a mounting frame (41) fixedly installed on the top of the machining table (1), a support frame (42) installed on the mounting frame (41), a connecting component (43) provided on the mounting frame (41) to facilitate the rotation of the support frame (42), two positioning clamps (44) for clamping and fixing the valve casting (5) and slidingly installed on the support frame (42), a feeding component (45) installed on the support frame (42) for controlling the movement of the two positioning clamps (44) to the opposite side or the opposite side, and a guide component (46) provided in the support frame (42) for limiting the movement track of the two positioning clamps (44). The mounting frame (41) is provided with a driving assembly for driving the rotation of the support frame (42).

2. An electrical valve positioning gear according to claim 1, characterized in that: The driving assembly comprises a double-brake motor (47) fixedly installed on the left side of the mounting frame (41), and a transmission component (48) provided on the top of the double-brake motor (47) for driving the rotation of the connecting component (43). The connecting component (43) is provided with a sensing component (49) for monitoring the rotation angle of the support frame (42).

3. An electrical valve positioning gear as defined in claim 1, characterized in that: The mechanical arm (2) is fixedly installed on the machining table (1), and the electric polisher (3) is fixedly installed on one end of the mechanical arm (2).

4. An electrical valve positioning gear according to claim 2, characterized in that: The connecting component (43) comprises two connecting columns, and the two connecting columns are fixedly installed on the left and right sides of the support frame (42), respectively. One end of each of the two connecting columns penetrates through the mounting frame (41) and is rotatably connected with the mounting frame (41).

5. An electrical valve positioning gear according to claim 1, characterized in that: The feeding component (45) comprises two electric push rods, and the two electric push rods are fixedly installed on the support frame (42), respectively. The extension ends of the two electric push rods are fixedly connected with the opposite sides of the two positioning clamps (44), respectively.

6. An electrical valve positioning gear as defined in claim 1, characterized in that: The guide component (46) comprises two limiting blocks, and the two limiting blocks are fixedly installed on the bottom of the two positioning clamps (44), respectively. A limiting groove is formed in the support frame (42), and the outer surfaces of the two limiting blocks are slidingly connected with the inner walls of the limiting groove, respectively.

7. An electrical valve positioning gear as defined in claim 4, characterized in that: The sensing component (49) comprises two angle sensors, and the two angle sensors are fixedly connected with one end of the two connecting columns, respectively. The two angle sensors are electrically connected with the double-brake motor (47), respectively.

8. An electrical valve positioning gear according to claim 4, characterized in that: The transmission component (48) comprises two bevel gears, and the outer surfaces of the two bevel gears are meshed. The two bevel gears are fixedly installed on the outer surfaces of the output shaft of the double-brake motor (47) and the left connecting column, respectively.

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