Pickling treatment device for expansion valve

Abstract

The acid pickling treatment device comprises an acid pickling box and is characterized in that an annular frame is installed on the top side of the acid pickling box through a rotating assembly, a valve body containing frame is installed on one side of the annular frame through a hanging assembly, and the top side of the valve body containing frame is open; according to the acid pickling treatment device for the expansion valves, the expansion valves needing to be subjected to acid pickling are placed in the valve body containing frames, during acid pickling, the annular frame is driven to rotate through the rotating assembly, the multiple valve body containing frames can rotate along with the annular frame, and the expansion valves can slowly move into the acid pickling box on the lower portion to be subjected to acid pickling operation; according to the expansion valve pickling device, the expansion valve can be conveniently placed on one side and subjected to pickling operation, the pickled expansion valve can be taken out, the situation that placing and taking operation can be conducted after the last step is completed is not needed, a large amount of time is relatively saved, and the pickling speed is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of pickling of expansion valves, in particular to a pickling treatment device for expansion valves. Background Art

[0002] The expansion valve is an important component in the refrigeration system, usually installed between the liquid storage cylinder and the evaporator. The expansion valve allows the medium-temperature and high-pressure liquid refrigerant to pass through its throttling to become low-temperature and low-pressure wet steam. The refrigerant then absorbs heat in the evaporator to achieve the cooling effect. The expansion valve controls the valve flow through the change of superheat at the end of the evaporator to prevent insufficient utilization of the evaporator area and knocking.

[0003] After searching, the patent with application number CN202022073120.8 discloses a pickling device for valve production, in which the valve body is placed in a soaking bin for pickling. However, during the pickling process, the staff needs to first place the valve body in the equipment for pickling. After the pickling is completed, the valve body needs to be taken out so that the valve body can be placed in the next step. The pickling speed of the valve body will be slow. Therefore, a pickling treatment device for an expansion valve is proposed. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a pickling treatment device for an expansion valve, which is used to solve the above problems.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A pickling treatment device for an expansion valve comprises a pickling box, characterized in that a ring frame is installed on the top side of the pickling box through a rotating component, a valve body placement frame is installed on one side of the ring frame through a hanging component, the top side of the valve body placement frame is open, a side access hole is opened on one side of the valve body placement frame, a side door panel is installed in the side access hole through a rotating component, the side door panel is connected to the valve body placement frame through a positioning component, and a liquid stirring component is provided on the ring frame.

[0007] Preferably, the rotating assembly includes a rear side plate fixedly mounted on the top side of the pickling box, a driving motor is fixedly mounted on one side of the rear side plate, an output end of the driving motor is connected to a rotating equipment frame, and the annular frame is mounted on the rotating equipment frame.

[0008] Preferably, the hanging assembly includes a plurality of rotating shafts fixedly mounted on one side of the annular frame, the plurality of rotating shafts are arranged in a circular array, a triangular connecting frame is fixedly mounted on the top side of the valve body placement frame, and the triangular connecting frame is rotatably sleeved on the rotating shafts.

[0009] Preferably, the rotating assembly includes a rotating groove opened on the side access hole, a rotating seat is rotatably installed on one side of the side door panel, the rotating seat is rotatably installed in the rotating groove, and a door panel position stopper is fixedly installed on the inner wall of one side of the valve body placement frame, and the door panel position stopper is adapted to one side of the side door panel.

[0010] Preferably, the positioning assembly includes a movable groove opened on the valve body placement frame, a movable long rod is movably installed in the movable groove, the top end of the movable long rod extends out of the movable groove and is fixedly connected to an upper connecting block, a movable short rod is fixedly installed on the bottom side of the upper connecting block, a positioning groove is opened on the top side of the side door panel, and one end of the movable short rod is inserted into the positioning groove.

[0011] Preferably, a plurality of water leakage holes are provided on both sides and the inner wall of the bottom side of the valve body placement frame, and a drainage pipe is provided on the pickling box.

[0012] Preferably, the liquid stirring assembly comprises a plurality of stirring plates fixedly mounted on the outer side of the annular frame, and the plurality of stirring plates are arranged in a circular array.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the pickling treatment device for the expansion valve places the expansion valve that needs pickling in the valve body placement frame. During pickling, the annular frame is driven to rotate by the rotating assembly, and the multiple valve body placement frames will rotate accordingly. The expansion valve will slowly move to the pickling box below to perform the pickling operation. Through the arrangement of the multiple valve body placement frames, it is convenient to place the expansion valve while performing the pickling operation on the expansion valve, and the pickled expansion valve can also be taken out. There is no need to wait for the previous step to be completed before the placement and removal operations can be performed, which saves a lot of time relatively and improves the pickling speed.

[0014] The liquid stirring assembly is set up, and as the annular frame rotates, it can drive the outer stirring plate to rotate synchronously. After the stirring plate rotates into the pickling box, it stirs the liquid inside. The stirred liquid will fully contact the expansion valve, and the pickling effect of the expansion valve is better. The side door panel is set up, and it is convenient to quickly remove the expansion valve by opening the side door panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a left-side perspective structural diagram of the utility model;

[0016] Figure 2 It is a schematic diagram of the structure of the utility model from the right side;

[0017] Figure 3 It is a schematic diagram of the structure of the utility model in cross section;

[0018] Figure 4 It is a schematic diagram of the structure of the partial explosion of the utility model.

[0019] In the figure: 1. pickling box; 2. rear side plate; 3. drive motor; 4. rotating equipment frame; 5. ring frame; 6. rotating shaft; 7. triangular connecting frame; 8. valve body placement frame; 9. side access hole; 10. rotating seat; 11. side door panel; 12. door panel position block; 13. movable groove; 14. upper connecting block; 15. movable long rod; 16. movable short rod; 17. positioning groove; 18. leakage hole; 19. drain pipe; 20. stirring plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example: Refer to Figure 1-4 , a pickling treatment device for an expansion valve, comprising a pickling box 1, a ring frame 5 is installed on the top side of the pickling box 1 through a rotating component, a valve body placement frame 8 is installed on one side of the ring frame 5 through a hanging component, and the top side of the valve body placement frame 8 is set as an opening, the rotating component comprises a rear side plate 2 fixedly installed on the top side of the pickling box 1, a driving motor 3 is fixedly installed on one side of the rear side plate 2, the output end of the driving motor 3 is connected to a rotating device frame 4, and the ring frame 5 is installed on the rotating device frame 4. During pickling, the driving motor 3 on the rotating component is started to run, driving the rotating device frame 4 and the ring frame 5 to rotate. After rotation, multiple valve body placement frames 8 will follow the rotation. With the rotation of the ring frame 5, the expansion valve will slowly move into the pickling box 1 below for pickling. Through the setting of multiple valve body placement frames 8, it is convenient to place the expansion valve from one side and pickle the expansion valve at the same time, and the pickled expansion valve can also be taken out, without waiting for the previous step to be completed before placing and taking out operations, which saves a lot of time relatively and improves the pickling speed.

[0022] Specifically, a liquid stirring assembly is provided on the annular frame 5, and the liquid stirring assembly includes a plurality of stirring plates 20 fixedly mounted on the outside of the annular frame 5, and the plurality of stirring plates 20 are arranged in a circular array. The arranged liquid stirring assembly can drive the outer stirring plates 20 to rotate synchronously with the rotation of the annular frame 5. After the stirring plates 20 rotate into the pickling box 1, the liquid inside is stirred, and the stirred liquid will fully contact the expansion valve, so that the pickling effect of the expansion valve is better.

[0023] Specifically, the hanging assembly includes a plurality of rotating shafts 6 fixedly mounted on one side of the annular frame 5, the plurality of rotating shafts 6 are arranged in a circular array, a triangular connecting frame 7 is fixedly mounted on the top side of the valve body placement frame 8, the triangular connecting frame 7 is rotatably sleeved on the rotating shaft 6, the valve body placement frame 8 is mounted on the annular frame 5 through the hanging assembly, the triangular connecting frame 7 on the hanging assembly is rotatably mounted on the rotating shaft 6, the valve body placement frame 8 is heavy, and can naturally droop under the action of gravity, the expansion valve is placed in the valve body placement frame 8, and will not fall.

[0024] Specifically, a side access hole 9 is provided on one side of the valve body placement frame 8, and a side door panel 11 is installed in the side access hole 9 through a rotating assembly. The side door panel 11 is connected to the valve body placement frame 8 through a positioning assembly. The rotating assembly includes a rotating groove provided on the side access hole 9, and a rotating seat 10 is rotatably installed on one side of the side door panel 11. The rotating seat 10 is rotatably installed in the rotating groove. A door panel position stopper 12 is fixedly installed on the inner wall of one side of the valve body placement frame 8, and the door panel position stopper 12 is adapted to one side of the side door panel 11. The positioning assembly includes a movable groove 13 provided on the valve body placement frame 8, and a movable long rod 15 is movably installed in the movable groove 13. The top end of the movable long rod 15 extends to the movable An upper connecting block 14 is fixedly connected to the outside of the movable groove 13, and a movable short rod 16 is fixedly installed on the bottom side of the upper connecting block 14. A positioning groove 17 is provided on the top side of the side door panel 11, and one end of the movable short rod 16 is inserted into the positioning groove 17. Both sides and the bottom inner wall of the valve body placement frame 8 are provided with a plurality of leakage holes 18. The pickling box 1 is provided with a drain pipe 19 and a side door panel 11. When taking out the expansion valve, lift up the upper connecting block 14 on the positioning assembly, pull the movable short rod 16 out of the positioning groove 17, and then rotate and open the side door panel 11, so that the expansion valve can be taken out from the side. The leakage hole 18 is provided, and the liquid after pickling will leak out from the leakage hole 18 and flow back into the pickling box 1.

[0025] During use: the expansion valve needs to be pickled after welding to prepare for the surface treatment of the valve body. The expansion valve that needs pickling is placed in the valve body placement frame 8. There are multiple valve body placement frames 8, which are rotatably installed on one side of the annular frame 5. During pickling, the drive motor 3 on the rotating component is started to drive the rotating equipment frame 4 and the annular frame 5 to rotate. After rotation, multiple valve body placement frames 8 will follow the rotation. The valve body placement frame 8 is installed on the annular frame 5 through a hanging component. The triangular connecting frame 7 on the hanging component is rotatably installed on the rotating shaft 6. The valve body placement frame 8 is heavy and can droop naturally under the action of gravity. The expansion valve is placed in the valve body placement frame 8 and will not fall. As the annular frame 5 rotates, the expansion valve will slowly move to the pickling box 1 below for pickling. The setting of multiple valve body placement frames 8 makes it easy to place the expansion valve from one side. , while the expansion valve is pickled, the expansion valve after pickling can be taken out. There is no need to wait for the previous step to be completed before placing and taking out the valve, which saves a lot of time and improves the pickling speed. The liquid stirring component is set, and as the annular frame 5 rotates, it can drive the outer stirring plate 20 to rotate synchronously. After the stirring plate 20 rotates into the pickling box 1, it stirs the internal liquid, and the stirred liquid will fully contact the expansion valve, so that the pickling effect of the expansion valve is better. The side door panel 11 is set. When taking out the expansion valve, lift up the upper connecting block 14 on the positioning component, pull the movable short rod 16 out of the positioning groove 17, and then rotate to open the side door panel 11, so that the expansion valve can be taken out from the side. The leakage hole 18 is set, and the liquid after pickling will leak out from the leakage hole 18 and flow back into the pickling box 1, which is convenient to use.

[0026] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pickling treatment device for an expansion valve, comprising a pickling tank (1), characterized in that: The top side of the pickling box (1) is mounted with an annular frame (5) via a rotating assembly, a valve body placement frame (8) is mounted on one side of the annular frame (5) via a hanging assembly, the top side of the valve body placement frame (8) is open, a side access hole (9) is provided on one side of the valve body placement frame (8), a side door panel (11) is mounted in the side access hole (9) via a rotating assembly, the side door panel (11) is connected to the valve body placement frame (8) via a positioning assembly, and a liquid stirring assembly is provided on the annular frame (5).

2. A pickling treatment device for an expansion valve according to claim 1, characterized in that: The rotating assembly comprises a rear side plate (2) fixedly mounted on the top side of the pickling box (1); a driving motor (3) is fixedly mounted on one side of the rear side plate (2); an output end of the driving motor (3) is connected to a rotating device frame (4); and a ring frame (5) is mounted on the rotating device frame (4).

3. The pickling treatment device for an expansion valve according to claim 1, characterized in that: The hanging assembly comprises a plurality of rotating shafts (6) fixedly mounted on one side of the annular frame (5), the plurality of rotating shafts (6) being arranged in a circular array, a triangular connecting frame (7) fixedly mounted on the top side of the valve body placement frame (8), and the triangular connecting frame (7) being rotatably sleeved on the rotating shafts (6).

4. The pickling treatment device for an expansion valve according to claim 1, characterized in that: The rotating assembly comprises a rotating groove provided on the side access hole (9); a rotating seat (10) is rotatably mounted on one side of the side door panel (11); the rotating seat (10) is rotatably mounted in the rotating groove; a door panel position stopper (12) is fixedly mounted on the inner wall of one side of the valve body placement frame (8); the door panel position stopper (12) is adapted to one side of the side door panel (11).

5. The pickling treatment device for an expansion valve according to claim 1, characterized in that: The positioning assembly comprises a movable groove (13) formed on a valve body placement frame (8), a movable long rod (15) being movably installed in the movable groove (13), a top end of the movable long rod (15) extending outside the movable groove (13) and being fixedly connected to an upper connecting block (14), a movable short rod (16) being fixedly installed on the bottom side of the upper connecting block (14), a positioning groove (17) being formed on the top side of the side door panel (11), and one end of the movable short rod (16) being inserted into the positioning groove (17).

6. The pickling treatment device for an expansion valve according to claim 1, characterized in that: A plurality of water leakage holes (18) are provided on both sides and the inner wall of the bottom side of the valve body placement frame (8), and a liquid discharge pipe (19) is provided on the pickling box (1).

7. The pickling treatment device for an expansion valve according to claim 1, characterized in that: The liquid stirring assembly comprises a plurality of stirring plates (20) fixedly mounted on the outside of the annular frame (5), and the plurality of stirring plates (20) are arranged in a circular array.

Images