High-pressure diaphragm valve element assembling device

Abstract

The invention relates to the technical field of high-pressure diaphragm valve element assembling, in particular to a high-pressure diaphragm valve element assembling device which comprises an assembling device body, a mounting frame is fixedly connected to the upper side of the assembling device body, a support is mounted on the right side of the mounting frame, an air cylinder is fixedly arranged on the upper side of the mounting frame, and a pressing block is connected to the lower side of the air cylinder. A first electric push rod is fixedly installed on the left side of the support, a U-shaped side plate is fixedly arranged on the left side of the first electric push rod, the first electric push rod is made to adjust the position of the clamping mechanism through the PLC, then the two transverse plates move in the opposite directions, and a valve body and a high-pressure diaphragm valve element are accurately aligned through a rubber clamping block; according to the core assembling device, the assembling device can stably and reliably carry out press fitting, at the moment, the air cylinder can drive the pressing block to move downwards to carry out press fitting, meanwhile, the movement of the pressing block can be limited through the limiting sliding plate at the guide rail plate, the press fitting track is further limited, and therefore the press fitting effect of the core assembling device is improved.

Description

Technical Field

[0001] The invention relates to the technical field of high-pressure diaphragm valve assembly, in particular to a high-pressure diaphragm valve core assembly device. Background Art

[0002] High-pressure diaphragm valve cores are usually assembled and fixed by press-fitting, which can ensure that the sealing surface of the valve core and the valve body fits tightly, prevent fluid leakage, and ensure the pressure stability of the system. At the same time, the main function of the high-pressure diaphragm valve core assembly is to ensure the sealing and control accuracy of the valve, so that the high-pressure diaphragm valve core can effectively control the pressure, flow rate and flow direction of the fluid to ensure the efficient operation of the system.

[0003] A Chinese patent (application number CN202320647981.3) discloses an automatic valve core assembly device, including a workbench, on which a valve body feeding mechanism, a valve core feeding mechanism, a turntable mechanism and an assembly mechanism are arranged. The output end of the valve body feeding mechanism is connected to the turntable mechanism. A clamping mechanism is provided on one side of the turntable mechanism. The valve core is pressed into the valve body through the assembly mechanism to complete the automatic assembly of the valve core. The entire assembly process is simple and quick.

[0004] Although the above-mentioned assembly equipment can complete the automatic assembly of the valve core, in actual use, the above-mentioned assembly equipment can only assemble the high-pressure diaphragm valve core in a simple press-fitting manner. In this way, it is difficult to accurately position and align the valve body and the press-fitted high-pressure diaphragm valve core, making it impossible for the assembly device to perform press-fitting stably and reliably, thereby affecting the press-fitting effect of the assembly device and being unfavorable for use. Summary of the invention

[0005] The object of the present invention is to provide a high-pressure diaphragm valve core assembly device to solve the problems raised in the above background technology.

[0006] The purpose of the present invention can be achieved through the following technical solutions:

[0007] A high-pressure diaphragm valve core assembly device comprises an assembly device body, a mounting frame is fixedly connected to the upper side of the assembly device body, a bracket is installed on the right side of the mounting frame, a cylinder is fixedly provided on the upper side of the mounting frame, a pressure block is connected to the lower side of the cylinder, a first electric push rod is fixedly installed on the left side of the bracket, and a U-shaped side plate is fixedly provided on the left side of the first electric push rod;

[0008] The inner side surface of the U-shaped side plate is rotatably connected with a double-headed screw rod, and the outer surface of the double-headed screw rod is threadedly connected with two symmetrically arranged cross plates, and the inner sides of the two cross plates are connected with rubber clamps. A guide rail plate is fixedly provided on one side of the assembly device body, and the lower side of the assembly device body is rotatably connected with a No. 1 gear rotating rod and a No. 2 gear rotating rod respectively, the rear side of the mounting frame is fixedly connected with a PLC controller, and the upper side of the No. 1 gear rotating rod is connected with a round seat.

[0009] Preferably, a top seat is installed on the upper side of the round seat, and an array-distributed mounting seat is fixedly installed on the upper side of the top seat. The interior of the mounting seat is connected with two parallel sliding rods, and the outer surfaces of the two sliding rods are slidably connected with two symmetrically arranged L-shaped slides. Limiting arc plates are installed on the upper sides of the two L-shaped slides, and the first electric push rod is electrically connected to the PLC controller.

[0010] Preferably, a valve body is fixedly provided inside the two limiting arc plates, two second springs are fixedly connected between the two L-shaped slides, rubber pads are connected to the inner sides of the two limiting arc plates, and a high-pressure diaphragm valve core body is fixedly provided on the upper side of the valve body.

[0011] Preferably, the lower side of the top seat is provided with circular grooves distributed in an array, and the circular grooves penetrate the top seat and extend to the interior of the mounting seat.

[0012] Preferably, support plates are connected to both sides of the mounting seat, one side of the two support plates is slidably connected with a movable concave plate for fixing the valve body, one side of the movable concave plate passes through the support plate and extends to the other side of the support plate, and a first spring is installed between the two movable concave plates and the support plates.

[0013] Preferably, a second electric push rod is fixedly provided on the upper side of the round seat, the second electric push rod is electrically connected to the PLC controller, a circular ring is connected to the upper side of the circular ring, an array of vertical rods are installed on the upper side of the circular ring, and the vertical rods are located below the circular groove.

[0014] Preferably, the circular groove is matched with the vertical rod, and the upper side of the vertical rod is slidably connected with the inside of the top seat and the mounting seat through the circular groove.

[0015] Preferably, the No. 1 gear rod and the No. 2 gear rod are meshed with each other, the cylinder is electrically connected to the PLC controller, the lower side of the cylinder passes through the mounting frame and extends to the lower side of the mounting frame, a limiting slide is installed between the guide rail plate and the pressure block, and the upper side of the No. 1 gear rod passes through the assembly device body and extends to the upper side of the assembly device body.

[0016] Preferably, the inner side surface of the U-shaped side plate is connected to two limiting round rods, the outer surfaces of the two limiting round rods are slidably connected to the inside of the cross plate, the rear side of the double-headed screw rod passes through the U-shaped side plate and extends to the rear side of the U-shaped side plate, the rear side of the double-headed screw rod is fixedly connected to the first servo motor through the motor mounting plate, and the first servo motor is electrically connected to the PLC controller.

[0017] Preferably, the lower side of the second gear rotating rod is fixedly connected to a second servo motor through a motor mounting plate, the second servo motor is electrically connected to the PLC controller, and the upper side of the assembly device body is respectively installed with a first placement stop frame and a second placement stop frame, and the second placement stop frame is located on the right side of the first placement stop frame.

[0018] Beneficial effects of the present invention:

[0019] 1. The present invention uses a PLC controller to allow the first electric push rod to adjust the position of the clamping mechanism, and then the two horizontal plates move toward each other to allow the rubber clamp to accurately align the valve body and the high-pressure diaphragm valve core, which is conducive to stable and reliable press-fitting of the assembly device. At this time, the cylinder can drive the pressure block to move downward for press-fitting. At the same time, the limiting slide plate at the guide rail plate can limit the movement of the pressure block, which is used to further limit the trajectory of press-fitting, thereby improving the press-fitting effect of the core assembly device.

[0020] 2. The present invention allows two elastic limit arc plates to adaptively clamp valve bodies of different sizes, and two movable concave plates equipped with a first spring can further clamp and fix the valve body, thereby simultaneously positioning the four sides of the valve body, allowing the valve body to be fixed in the mounting seat, ensuring the stability of the high-pressure diaphragm valve core during press-fitting, and improving the assembly quality of the high-pressure diaphragm valve core.

[0021] 3. The present invention allows multiple mounting seats to be transported to the bottom of the pressure block in sequence as the No. 1 gear rotating rod rotates, so that multiple high-pressure diaphragm valve cores can be continuously pressed and installed, which is conducive to realizing automated assembly work and improving the working efficiency of the assembly device. At the same time, the upward movement of the vertical rod is used to push the valve body equipped with the high-pressure diaphragm valve core out of the mounting seat, which makes it easy to quickly take the valve body and further improves the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 yes Figure 1 Installation diagram of the middle valve body and the high-pressure diaphragm valve core body;

[0025] Figure 3 yes Figure 2 Installation diagram of the middle guide rail plate and the limit slide plate;

[0026] Figure 4 yes Figure 3 Schematic diagram of the structure of the middle cross plate and rubber clamping block;

[0027] Figure 5 yes Figure 1 Installation diagram of the middle gear rod No. 1 and the gear rod No. 2;

[0028] Figure 6 yes Figure 1 Schematic diagram of the structure of the middle round seat and the top seat;

[0029] Figure 7 yes Figure 2 Installation diagram of the middle top seat and the mounting seat;

[0030] Figure 8 yes Figure 7 The enlarged view of point A in the middle;

[0031] Fig. 9 yes Figure 7 Schematic diagram of the installation of the middle movable concave plate and the first spring;

[0032] Fig.10 yes Figure 2 Schematic diagram of the structure of the middle ring and vertical rod.

[0033] The reference numerals in the figures are as follows:

[0034] 1. Assembly device body; 2. No. 1 gear rod; 3. Round seat; 4. Mounting frame; 5. PLC controller; 6. Cylinder; 7. Pressure block; 8. Bracket; 9. Guide rail plate; 10. Limiting slide plate; 11. First electric push rod; 12. U-shaped side plate; 13. Horizontal plate; 14. Rubber clamp; 15. First servo motor; 16. Limiting round rod; 17. First placement stop frame; 18. Second placement stop frame; 19. Installation Seat; 20, circular groove; 21, support plate; 22, movable concave plate; 23, first spring; 24, valve body; 25, slide rod; 26, L-shaped slide plate; 27, limit arc plate; 28, second spring; 29, rubber pad; 30, No. 2 gear rod; 31, second servo motor; 32, high-pressure diaphragm valve core body; 66, second electric push rod; 77, circular ring; 88, vertical rod; 100, top seat; 111, double-headed screw. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] A high pressure diaphragm valve core assembly device, such as Figure 1-10As shown, it includes an assembly device body 1, a mounting frame 4 is fixedly connected to the upper side of the assembly device body 1, a bracket 8 is installed on the right side of the mounting frame 4, a cylinder 6 is fixedly provided on the upper side of the mounting frame 4, a pressing block 7 is connected to the lower side of the cylinder 6, and the cylinder 6 can drive the pressing block 7 to reciprocate linearly so as to press-fit the high-pressure diaphragm valve core to realize the assembly of the high-pressure diaphragm valve core, a first electric push rod 11 is fixedly installed on the left side of the bracket 8, and a U-shaped side plate 12 is fixedly provided on the left side of the first electric push rod 11;

[0037] The inner side surface of the U-shaped side plate 12 is rotatably connected to a double-headed screw rod 111, and the outer surface of the double-headed screw rod 111 is threadedly connected to two symmetrically arranged cross plates 13, and the inner sides of the two cross plates 13 are connected to rubber clamps 14. The two rubber clamps 14 can be used to elastically position the high-pressure diaphragm valve core to ensure stability during press-fitting. A guide rail plate 9 is fixedly provided on one side of the assembly device body 1. Through the installation and use of the guide rail plate 9 and the rubber clamps 14, the double limit can make the press-fitting work more accurate and reliable, and avoid the deviation of the high-pressure diaphragm valve core. The lower side of the assembly device body 1 is rotatably connected to the No. 1 gear turning rod 2 and the No. 2 gear turning rod 30, respectively. The rear side of the mounting frame 4 is fixedly connected to the PLC controller 5, the model of the PLC controller 5 is DATA-7133, and the upper side of the No. 1 gear turning rod 2 is connected to the round seat 3.

[0038] A top seat 100 is installed on the upper side of the round seat 3, and an array-distributed mounting seat 19 is fixedly installed on the upper side of the top seat 100. Two parallel sliding rods 25 are connected inside the mounting seat 19. The outer surfaces of the two sliding rods 25 are slidably connected with two symmetrically arranged L-shaped slides 26. Limiting arc plates 27 are installed on the upper sides of the two L-shaped slides 26. The first electric push rod 11 is electrically connected to the PLC controller 5.

[0039] A valve body 24 is fixedly arranged inside the two limiting arc plates 27, two second springs 28 are fixedly connected between the two L-shaped slides 26, rubber pads 29 are connected to the inner sides of the two limiting arc plates 27, and a high-pressure diaphragm valve core body 32 is fixedly arranged on the upper side of the valve body 24. Through the setting of the rubber pads 29, the rubber pads 29 are located inside the two limiting arc plates 27, so that the rubber pads 29 can increase the friction between the limiting arc plates 27 and the valve body 24, which is beneficial to positioning the valve body 24 and avoiding the valve body 24 from shaking and affecting the assembly work.

[0040] The bottom side of the top seat 100 is provided with circular grooves 20 distributed in an array. The circular grooves 20 penetrate the top seat 100 and extend to the inside of the mounting seat 19 .

[0041] Support plates 21 are connected to both sides of the mounting seat 19, and one side of the two support plates 21 is slidably connected to a movable concave plate 22 for fixing the valve body 24. One side of the movable concave plate 22 penetrates the support plate 21 and extends to the other side of the support plate 21. A first spring 23 is installed between the two movable concave plates 22 and the support plate 21.

[0042] A second electric push rod 66 is fixedly provided on the upper side of the round seat 3, and the second electric push rod 66 is electrically connected to the PLC controller 5. The models of the first electric push rod and the second electric push rod 66 are HB-DJ801. A circular ring 77 is connected to the upper side of the second electric push rod 66, and an array of vertical rods 88 are installed on the upper side of the circular ring 77. The vertical rods 88 are located below the circular groove 20.

[0043] The circular groove 20 is matched with the vertical rod 88 , and the upper side of the vertical rod 88 is slidably connected with the top seat 100 and the inside of the mounting seat 19 through the circular groove 20 .

[0044] The number one gear rod 2 and the number two gear rod 30 are meshed with each other, the cylinder 6 is electrically connected to the PLC controller 5, the lower side of the cylinder 6 passes through the mounting frame 4 and extends to the lower side of the mounting frame 4, and a limiting slide 10 is installed between the guide rail plate 9 and the pressure block 7. Through the setting of the limiting slide 10, the limiting slide 10 can move up and down at the guide rail plate 9, so that the pressing installation of the pressure block 7 can be safer and more reliable, which is conducive to accurately assembling the high-pressure diaphragm valve core on the valve body 24 and is easy to use. The upper side of the number one gear rod 2 passes through the assembly device body 1 and extends to the upper side of the assembly device body 1.

[0045] The inner side surface of the U-shaped side plate 12 is connected to two limiting round rods 16, and the outer surfaces of the two limiting round rods 16 are slidably connected to the inside of the cross plate 13. The two limiting round rods 16 can limit the movement trajectory of the two cross plates 13, so that the two cross plates 13 can be stably moved back and forth for adjustment, which is convenient for clamping the high-pressure diaphragm valve core. The rear side of the double-headed screw rod 111 passes through the U-shaped side plate 12 and extends to the rear side of the U-shaped side plate 12. The rear side of the double-headed screw rod 111 is fixedly connected to the first servo motor 15 through the motor mounting plate, and the first servo motor 15 is electrically connected to the PLC controller 5.

[0046] The lower side of the No. 2 gear lever 30 is fixedly connected to a second servo motor 31 through a motor mounting plate. The second servo motor 31 is electrically connected to the PLC controller 5. The PLC controller 5 can be used to control the assembly device to realize automated press-fitting, and the assembly efficiency is relatively high. The first placement bracket 17 and the second placement bracket 18 are respectively installed on the upper side of the assembly device body 1. Through the arrangement of the first placement bracket 17 and the second placement bracket 18, the first placement bracket 17 can be used to fix a box containing a high-pressure diaphragm valve core and a valve body 24, and the second placement bracket 18 can store the assembled valve body 24, which is convenient to use. The second placement bracket 18 is located on the right side of the first placement bracket 17.

[0047] When the present invention is in use, the high-pressure diaphragm valve core body 32 is placed above the valve body 24, and the output shaft of the second servo motor 31 drives the second gear rotating rod 30 to rotate, so that the second gear rotating rod 30 can drive the meshing first gear rotating rod 2 to rotate together, and then the round seat 3 and the top seat 100 can be driven to rotate to move the high-pressure diaphragm valve core body 32 to the bottom of the pressure block 7, and then the PLC controller 5 is used to drive the first electric push rod 11 to drive the U-shaped side plate 12 to move to the left, and then the output shaft of the first servo motor 15 drives the double-headed screw 111 to rotate, so that the two cross plates 13 on the double-headed screw 111 can move toward each other, so that the two cross plates 1 The rubber clamping block 14 at 3 elastically clamps the high-pressure diaphragm valve core body 32, and the formed clamping mechanism can be used to accurately align the valve body 24 and the high-pressure diaphragm valve core body 32, which is conducive to the stable and reliable press-fitting of the assembly device. Then the cylinder 6 can drive the pressing block 7 to move downward to press-fit the valve body 24 and the high-pressure diaphragm valve core body 32. When a press-fitting work is completed, the first electric push rod 11 can drive the clamping mechanism to return to its original position to facilitate the next positioning work. At the same time, the limiting slide plate 10 at the guide rail plate 9 can limit the movement of the pressing block 7, which is used to further limit the trajectory of the press-fitting, thereby improving the press-fitting effect of the core assembly device;

[0048] By placing the valve body 24 between the two L-shaped slide plates 26 installed with the second spring 28, the two L-shaped slide plates 26 are slid along the two slide bars 25 by utilizing the elastic force of the second spring 28, so that the two limit arc plates 27 can adaptively clamp the valve body 24 of different sizes, and then as the valve body 24 is installed, it will also squeeze the two movable concave plates 22 installed with the first spring 23, so that the two movable concave plates 22 can further clamp and fix the valve body 24, thereby positioning the four sides of the valve body 24 at the same time, so that the valve body 24 is fixed in the mounting seat 19, ensuring the stability of the high-pressure diaphragm valve core during press-fitting, and improving the assembly quality of the high-pressure diaphragm valve core;

[0049] By allowing multiple mounting seats 19 to be transported to the bottom of the pressure block 7 in sequence as the No. 1 gear rotating rod 2 rotates, multiple high-pressure diaphragm valve cores can be continuously pressed and installed, which is conducive to realizing automated assembly work and improving the working efficiency of the assembly device. Then, when the assembly of all high-pressure diaphragm valve cores is completed, the second electric push rod 66 can be extended to drive the vertical rod 88 at the ring 77 to move upward, so as to push the valve body 24 equipped with the high-pressure diaphragm valve core out of the mounting seat 19, which makes it easy to quickly take out the valve body 24 and further improves the processing efficiency.

[0050] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. A high-pressure diaphragm valve core assembly device, comprising an assembly device body (1), characterized in that: The upper side of the assembly device body (1) is fixedly connected to a mounting frame (4), the right side of the mounting frame (4) is installed with a bracket (8), the upper side of the mounting frame (4) is fixedly provided with a cylinder (6), the lower side of the cylinder (6) is connected with a pressure block (7), the left side of the bracket (8) is fixedly provided with a first electric push rod (11), and the left side of the first electric push rod (11) is fixedly provided with a U-shaped side plate (12); The inner side surface of the U-shaped side plate (12) is rotatably connected to a double-headed screw rod (111), the outer surface of the double-headed screw rod (111) is threadedly connected to two symmetrically arranged transverse plates (13), the inner sides of the two transverse plates (13) are connected to rubber clamping blocks (14), a guide rail plate (9) is fixedly provided on one side of the assembly device body (1), a first gear rotating rod (2) and a second gear rotating rod (30) are rotatably connected to the lower side of the assembly device body (1), a PLC controller (5) is fixedly connected to the rear side of the mounting frame (4), and a round seat (3) is connected to the upper side of the first gear rotating rod (2).

2. A high-pressure diaphragm valve core assembly device according to claim 1, characterized in that: A top seat (100) is installed on the upper side of the round seat (3), and an array-distributed mounting seat (19) is fixedly installed on the upper side of the top seat (100), and two parallel sliding rods (25) are connected inside the mounting seat (19), and the outer surfaces of the two sliding rods (25) are slidably connected to two symmetrically arranged L-shaped slide plates (26), and the upper sides of the two L-shaped slide plates (26) are both installed with limiting arc plates (27), and the first electric push rod (11) is electrically connected to the PLC controller (5).

3. A high-pressure diaphragm valve core assembly device according to claim 2, characterized in that: A valve body (24) is fixedly arranged inside the two limit arc plates (27), two second springs (28) are fixedly connected between the two L-shaped slide plates (26), the inner side surfaces of the two limit arc plates (27) are connected to rubber pads (29), and a high-pressure diaphragm valve core body (32) is fixedly arranged on the upper side of the valve body (24).

4. A high-pressure diaphragm valve core assembly device according to claim 2, characterized in that: The lower side of the top seat (100) is provided with circular grooves (20) distributed in an array, and the circular grooves (20) penetrate the top seat (100) and extend to the interior of the mounting seat (19).

5. A high-pressure diaphragm valve core assembly device according to claim 2, characterized in that: Both sides of the mounting seat (19) are connected to support plates (21), one side of the two support plates (21) is slidably connected to a movable concave plate (22) for fixing the valve body (24), one side of the movable concave plate (22) passes through the support plate (21) and extends to the other side of the support plate (21), and a first spring (23) is installed between the two movable concave plates (22) and the support plate (21).

6. A high-pressure diaphragm valve core assembly device according to claim 1, characterized in that: A second electric push rod (66) is fixedly provided on the upper side of the round seat (3), and the second electric push rod (66) is electrically connected to the PLC controller (5). A circular ring (77) is connected to the upper side of the second electric push rod (66), and an array of vertical rods (88) are installed on the upper side of the circular ring (77), and the vertical rods (88) are located below the circular groove (20).

7. A high-pressure diaphragm valve core assembly device according to claim 6, characterized in that: The circular groove (20) is matched with the vertical rod (88), and the upper side of the vertical rod (88) is slidably connected with the top seat (100) and the inside of the mounting seat (19) through the circular groove (20).

8. A high-pressure diaphragm valve core assembly device according to claim 1, characterized in that: The first gear rotating rod (2) and the second gear rotating rod (30) are meshed with each other, the cylinder (6) is electrically connected to the PLC controller (5), the lower side of the cylinder (6) passes through the mounting frame (4) and extends to the lower side of the mounting frame (4), a limiting slide plate (10) is installed between the guide rail plate (9) and the pressure block (7), and the upper side of the first gear rotating rod (2) passes through the assembly device body (1) and extends to the upper side of the assembly device body (1).

9. A high-pressure diaphragm valve core assembly device according to claim 1, characterized in that: The inner side surface of the U-shaped side plate (12) is connected to two limiting round rods (16), and the outer surfaces of the two limiting round rods (16) are slidably connected to the inside of the cross plate (13). The rear side of the double-headed screw rod (111) passes through the U-shaped side plate (12) and extends to the rear side of the U-shaped side plate (12). The rear side of the double-headed screw rod (111) is fixedly connected to a first servo motor (15) through a motor mounting plate, and the first servo motor (15) is electrically connected to a PLC controller (5).

10. A high-pressure diaphragm valve core assembly device according to claim 1, characterized in that: The lower side of the second gear rotating rod (30) is fixedly connected to a second servo motor (31) via a motor mounting plate, and the second servo motor (31) is electrically connected to a PLC controller (5). The upper side of the assembly device body (1) is respectively installed with a first placement block frame (17) and a second placement block frame (18), and the second placement block frame (18) is located on the right side of the first placement block frame (17).

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