Nut dismounting mechanism of air conditioner stop valve

Abstract

The utility model relates to a nut dismounting mechanism of an air conditioner stop valve, which comprises a mounting plate and a lifting base, the lifting base is arranged on the mounting plate through a sliding rail and a sliding block in a liftable manner, the top of the lifting base is connected with a first air cylinder for driving the lifting base to lift, and one or more groups of rotating shafts are rotatably arranged on the lifting base through bearings. The rotating shaft is in transmission connection with a motor, the bottom end of the rotating shaft is in clamping connection with a connecting sleeve, the bottom end of the connecting sleeve is in threaded connection with a nut dismounting sleeve, elastic pieces are arranged at the two ends of the inner side of the nut dismounting sleeve, a clamping mechanism capable of being opened and closed is arranged behind the nut dismounting sleeve, the rotating shaft is of a hollow structure, and an ejector rod is arranged on the inner side of the rotating shaft in a penetrating and inserting mode; the top end of the ejector rod is connected with a second air cylinder driving the ejector rod to ascend and descend, and the bottom end of the ejector rod extends to the inner side of the nut disassembling sleeve. The nut dismounting device has the advantages that the nuts on the stop valve are synchronously dismounted through the multiple sets of nut dismounting sleeves which are in synchronous linkage, and the working efficiency is high.

Description

Technical Field

[0001] The utility model relates to a nut dismantling mechanism for an air-conditioning stop valve, belonging to the technical field of air-conditioning stop valves. Background Art

[0002] In the field of household air-conditioning manufacturing, household air-conditioners are mainly composed of four major parts: compressor, condenser, throttling device, and evaporator, as well as auxiliary components such as stop valves. The indoor and outdoor units are connected through indoor and outdoor connecting pipes, and the outdoor unit is connected to the connecting pipe through a stop valve.

[0003] The nut removal mechanism is a mechanism used for removing a stop valve with a nut. Currently, in most cases, the nut is removed manually, which is cumbersome and inefficient. In some specific scenarios, such as large-scale production lines, manual removal of the nut consumes a lot of time and manpower.

[0004] Therefore, how to provide a nut removing mechanism for an air conditioning stop valve is the research purpose of the utility model. Utility Model Content

[0005] In view of the deficiencies of the above-mentioned technology, the utility model provides a nut removing mechanism for an air-conditioning stop valve, which can remove the nuts on the stop valve synchronously through multiple groups of synchronously linked nut removing sleeves, and has high working efficiency.

[0006] In order to solve the existing technical problems, the technical solution adopted by the utility model is:

[0007] A nut removing mechanism for an air conditioning stop valve comprises a mounting plate and a lifting base, wherein the lifting base is liftably arranged on the mounting plate via a slide rail slider, a first cylinder for driving the lifting base to be lifted is connected to the top of the lifting base, one or more rotating shafts are rotatably provided on the lifting base via bearings, the rotating shafts are transmission-connected to a motor, a connecting sleeve is clamped and connected to the bottom end of the rotating shaft, a nut removing sleeve is threadedly connected to the bottom end of the connecting sleeve, spring plates are provided at both ends of the inner side of the nut removing sleeve, an openable and closable clamping mechanism is provided at the rear, the rotating shaft is provided with a hollow structure, a push rod is inserted into the inner side of the push rod, the top end of the push rod is connected to a second cylinder for driving the lifting base to be lifted, and the bottom end extends to the inner side of the nut removing sleeve.

[0008] Furthermore, the plurality of groups of rotating shafts are connected to each other through synchronous wheels and synchronous belts, and one group of rotating shafts is connected to the motor through synchronous wheels and synchronous belts.

[0009] Furthermore, a spring is sleeved on the outer side of the rotating shaft, and two ends of the spring are in contact with the top of the connecting sleeve and the bottom of the lifting base respectively.

[0010] Furthermore, the connecting sleeve is sleeved on the outer side of the bottom end of the rotating shaft and is clamped and connected to the rotating shaft through a pin key.

[0011] Furthermore, the clamping mechanism includes two groups of openable and closable jaws and pneumatic or electric jaws for driving the jaws to open and close, wherein a guide plate is provided on the back of one group of the jaws, and the bottom end of the guide plate and the bottom ends of the two groups of the jaws form an upward concave arc structure.

[0012] The beneficial effects of the utility model are: 1. The nuts on the stop valve are removed synchronously through multiple groups of synchronously linked nut removal sleeves, and the work efficiency is high; 2. The removed nuts can be clamped by the spring sheet to prevent them from falling out of the nut removal sleeve. When transferred to the nut collection station, the nuts in the nut removal sleeve are pushed out by the push rod to avoid tedious manual operations; 3. The nut removal sleeve and the connecting sleeve are threadedly connected, which is convenient for replacing nut removal sleeves of different specifications and adapting to the removal of nuts of different specifications; 4. The connecting pipe on the stop valve is clamped and fixed by the clamping mechanism to improve the stability when removing the nuts. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model.

[0014] Figure 2 It is a side view of the utility model.

[0015] Figure 3 It is one of the local structural diagrams of the utility model.

[0016] Figure 4 This is the second partial structural diagram of the utility model.

[0017] Figure 5 It is the third partial structural diagram of the present utility model.

[0018] Figure 6 This is the fourth partial structural diagram of the present utility model.

[0019] Figure 7 This is the fifth partial structural diagram of the present utility model.

[0020] Figure 8 It is an internal structure diagram of a nut removing sleeve of the utility model.

[0021] Fig. 9 It is a structural schematic diagram of the clamping mechanism of the utility model.

[0022] Fig.10 It is a rear view of the clamping mechanism of the utility model.

[0023] Among them: mounting plate 1, lifting base 2, first cylinder 3, rotating shaft 4, motor 5, connecting sleeve 6, nut removing sleeve 7, spring piece 8, clamping mechanism 9, push rod 10, second cylinder 11, spring 12, clamping claw 91, air claw 92, guide plate 93. DETAILED DESCRIPTION

[0024] In order to make those skilled in the art better understand the technical solution of the utility model, the following Figure 1-10 The utility model is further analyzed.

[0025] like Figure 1-10 As shown, a nut removing mechanism for an air conditioning stop valve comprises a mounting plate 1 and a lifting base 2, wherein the mounting plate 1 is mounted on a manipulator through a connecting flange, the lifting base 2 is movably arranged on the mounting plate 1 through a slide rail slider, and a first cylinder 3 driving the lifting base 2 is connected to the top thereof, and one or more sets of rotating shafts 4 are rotatably arranged on the lifting base 2 through bearings, and the rotating shafts 4 are drivingly connected to a motor 5, and a connecting sleeve 6 is clamped and connected to the bottom end of the rotating shaft 4, and a nut removing sleeve 7 is threadedly connected to the bottom end of the connecting sleeve 6, and the thread tightening direction of the connecting sleeve 6 and the nut removing sleeve 7 is opposite to the rotation direction when the nut is removed, that is, the motor 5 drives the nut to be removed. When the movable nut sleeve 7 is rotated to loosen the nut, the threaded connection between the connecting sleeve 6 and the nut removal sleeve 7 becomes tighter, and spring pieces 8 are provided at both ends of the inner side of the nut removal sleeve 7. The spring pieces 8 are pressed toward the inner side of the nut removal sleeve 7 to clamp the removed nut. A clamping mechanism 9 that can be opened and closed is provided at the rear. The rotating shaft 4 is provided with a hollow structure, and a push rod 10 is inserted into the inner side thereof. The push rod 10 is installed on the lifting base 2 through a linear bearing. The top end of the push rod 10 is connected to a second cylinder 11 that drives it to rise and fall, and the bottom end extends to the inner side of the nut removal sleeve 7. The nut in the nut removal sleeve 7 can be pushed out by driving the push rod 10 to descend through the second cylinder 11.

[0026] In this embodiment, preferably, a plurality of groups of the rotating shafts 4 are connected to each other through synchronous wheels and synchronous belts, and one group of the rotating shafts 4 is connected to the motor 5 through a synchronous wheel and a synchronous belt.

[0027] In this embodiment, preferably, a spring 12 is sleeved on the outer side of the rotating shaft 4, and the two ends of the spring 12 are respectively in contact with the top of the connecting sleeve 6 and the bottom of the lifting base 2. The spring 12 plays a buffering and shock-absorbing role when the first cylinder 3 drives the nut removal sleeve 7 to descend to remove the nut of the stop valve.

[0028] In this embodiment, preferably, the connecting sleeve 6 is sleeved on the outer side of the bottom end of the rotating shaft 4 and is clamped and connected to the rotating shaft 4 through a pin key.

[0029] In this embodiment, preferably, the clamping mechanism 9 includes two groups of openable and closable jaws 91 and air jaws 92 or electric jaws for driving the jaws 91 to open and close, wherein a guide plate 93 is provided on the back of one group of the jaws 91, and the bottom end of the guide plate 93 and the bottom ends of the two groups of the jaws 91 form an upward concave arc structure for clamping and fixing the connecting pipe of the stop valve.

[0030] When the utility model is used: the stop valve is placed on a workbench, its connecting pipe is clamped and fixed by the clamping claws 91 and the guide plate 93, the first cylinder 3 drives the lifting base 2 to descend, the nut removal sleeve 7 is sleeved on the nut of the stop valve, the motor 5 drives the rotating shaft 4 to rotate, and drives the nut removal sleeve 7 to rotate through the connecting sleeve 6, the nut on the stop valve is loosened and removed, and then the removed nut is clamped and fixed by the spring pieces 8 at both ends, the mounting plate 1 is connected to the manipulator, and the nut removal mechanism is transferred to the nut collection station by the manipulator, the second cylinder 11 drives the push rod 10 to descend, and the nut in the nut removal sleeve 7 is pushed out, and the nut removal process of the stop valve is completed.

[0031] The technical solution provided by the present application is introduced in detail above. The principles and implementation methods of the present application are explained in this article using embodiments. The description of the above embodiments is only used to help understand the method of the present application and its core idea. At the same time, for general technicians in this field, according to the idea of ​​the present application, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A nut removal mechanism for an air conditioning stop valve, characterized in that: The lifting base comprises a mounting plate and a lifting base, wherein the lifting base is liftably arranged on the mounting plate through a slide rail slider, a first cylinder for driving the lifting base is connected to the top thereof, a group or more rotating shafts are rotatably arranged on the lifting base through bearings, the rotating shafts are transmission-connected to a motor, a connecting sleeve is clamped and connected to the bottom end of the rotating shaft, a nut removing sleeve is threadedly connected to the bottom end of the connecting sleeve, spring plates are arranged at both ends of the inner side of the nut removing sleeve, an openable and closable clamping mechanism is arranged at the rear, the rotating shaft is provided with a hollow structure, a push rod is inserted into the inner side thereof, the top end of the push rod is connected to a second cylinder for driving the lifting base, and the bottom end extends to the inner side of the nut removing sleeve.

2. The nut removing mechanism of the air conditioning stop valve according to claim 1, characterized in that: A plurality of groups of rotating shafts are connected to each other through synchronous wheels and synchronous belts, and one group of rotating shafts is connected to the motor through synchronous wheels and synchronous belts.

3. The nut removing mechanism of the air conditioning stop valve according to claim 1, characterized in that: A spring is sleeved on the outer side of the rotating shaft, and two ends of the spring are respectively in contact with the top of the connecting sleeve and the bottom of the lifting base.

4. The nut removing mechanism of the air conditioning stop valve according to claim 1, characterized in that: The connecting sleeve is sleeved on the outer side of the bottom end of the rotating shaft and is clamped and connected with the rotating shaft through a pin key.

5. The nut removing mechanism of the air conditioning stop valve according to claim 1, characterized in that: The clamping mechanism includes two groups of openable and closable jaws and pneumatic or electric jaws for driving the jaws to open and close. A guide plate is provided on the back of one group of the jaws, and the bottom end of the guide plate and the bottom ends of the two groups of the jaws form an upward concave arc structure.

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