Temperature controller switch assembly assembling machine

Abstract

The utility model belongs to the technical field of temperature controller production equipment, and particularly relates to a temperature controller switch assembly assembling machine which comprises a machine frame, an index plate is arranged on the machine frame, assembling jigs of the index plate are distributed in an annular array mode, and a plurality of stations such as a base feeding station and an adjusting screw feeding and assembling station are sequentially arranged in the rotating direction of the assembling jigs. The adjusting screw feeding and assembling station comprises a feeding mechanism, an assembling mechanism and a transfer mechanism, a vibration disc, a movable plate and a first limiting mechanism of the feeding mechanism guarantee accurate and efficient feeding of adjusting screws, and the transfer mechanism flexibly transfers and adjusts the postures of the screws through cooperation of multiple air cylinders. The assembling mechanism achieves multi-dimensional high-precision assembling through multiple sliding rails, multiple air cylinders and a servo motor, the assembling base monitoring mechanism accurately controls the assembling depth, the first fixing mechanism and the second fixing mechanism stabilize base positioning, the assembling precision, quality and production efficiency of the temperature controller switch assembly are effectively improved, the defective rate is reduced, and the product quality is improved. And the product reliability and the market competitiveness are enhanced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of temperature controller production equipment, and specifically relates to a temperature controller switch assembly assembling machine. BACKGROUND

[0002] A temperature controller is a device for adjusting and controlling temperature, and its principle is to use a temperature sensing element to sense temperature changes and then use a control circuit to turn on or off the power supply to control heating or refrigeration equipment, and it is widely used in various fields, such as heating and air conditioning systems in homes, production equipment temperature control in industries, and central air conditioning control in commercial places. The assembly mechanism of the temperature controller switch assembly is an important production equipment during the production of the temperature controller.

[0003] The existing temperature controller switch assembly assembling machine has the following shortcomings: for the assembly of the adjusting screw and the base, the traditional assembly mechanism often lacks multi-dimensional precise positioning capability, and can only roughly adjust the rotating tool in limited directions, so it is difficult to ensure that the adjusting screw is tightly and accurately connected with the rotating head. During the screwing into the base, the position and posture cannot be accurately controlled, and the adjusting screw is prone to poor assembly, resulting in high product rejection rate. The existing technology mostly relies on manual experience or simple mechanical structure. Manual operation cannot accurately determine the depth of the adjusting screw screwed into the base, and the simple mechanical structure cannot realize real-time and accurate monitoring and control, which often causes deviation in the screwing depth. When the screwing depth is too deep or too shallow, it will have a serious adverse effect on the performance and quality of the temperature controller switch assembly, and the consistency and stability of the product quality are poor. UTILITY MODEL CONTENTS

[0004] In order to make up for the shortcomings of the existing temperature controller switch assembly assembling machine, a temperature controller switch assembly assembling machine is provided.

[0005] The utility model discloses a temperature controller switch assembly assembling machine, which comprises a rack, a protractor is rotatably assembled on the rack, and assembly jigs are arranged in an annular array at equal intervals on the protractor. A base feeding station, an adjusting screw feeding and assembling station, a limiting sheet feeding station, a limiting sheet assembling station, an adjusting screw feeding and assembling station and a discharging station are sequentially arranged on the rack along the rotation direction of the protractor. The adjusting screw feeding and assembling station comprises a feeding mechanism for feeding the adjusting screw and an assembling mechanism for assembling the adjusting screw. A transfer mechanism is arranged between the feeding mechanism and the assembling mechanism to transfer the adjusting screw from the feeding mechanism to the assembling mechanism.

[0006] Preferably, the feeding mechanism comprises a vibrating disc, a support is arranged at the outlet position of the vibrating disc, a movable plate for moving the adjusting screws at the outlet of the vibrating disc one by one is slidably arranged in the support, a groove for accommodating the adjusting screw is formed in the movable plate, a first cylinder for driving the movable plate to move is arranged on the support, a first limiting mechanism for limiting the adjusting screw at the outlet of the vibrating disc is arranged on the support, the first limiting mechanism comprises a second cylinder, and a resettable positioning pin is arranged on the support through a spring.

[0007] Preferably, the assembling mechanism comprises a first sliding rail, a second sliding rail is slidably arranged on the first sliding rail, a third cylinder for driving the second sliding rail to move is arranged on one side of the first sliding rail, an assembling seat is slidably arranged on the second sliding rail, a fourth cylinder for driving the assembling seat to move is arranged on the second sliding rail, a rotating seat is arranged on the assembling seat, a rotating head matched with the adjusting screw is rotatably arranged in the rotating seat, a servo motor for driving the rotating head to rotate is arranged on the assembling seat, and the assembling mechanism further comprises a placing table located directly below the rotating head and used for placing the adjusting screw.

[0008] Preferably, a placing groove for placing the adjusting screw is formed in the placing table, and a second limiting mechanism for limiting the adjusting screw is further arranged on the placing table, the second limiting mechanism comprises a fifth cylinder, and an limiting rod extending into the placing groove is arranged at the acting end of the fifth cylinder.

[0009] Preferably, a monitoring mechanism for limiting the rotating stroke of the rotating head is arranged on the assembling seat.

[0010] Preferably, the monitoring mechanism comprises a stroke monitoring disc fixedly arranged on the rotating head, a through hole is formed in the stroke monitoring disc, and a photoelectric sensor matched with the stroke monitoring disc.

[0011] Preferably, the transferring mechanism comprises a third sliding rail, a rotating cylinder is slidably arranged on the third sliding rail through a sliding block, a sixth cylinder for driving the rotating cylinder to move is arranged on the third sliding rail, and a clamping cylinder for clamping the adjusting screw is fixedly arranged at the acting end of the rotating cylinder.

[0012] Preferably, a lubricating grease adding mechanism for adding lubricating grease to the threaded portion of the adjusting screw is further arranged on the support, the lubricating grease adding mechanism comprises a fourth sliding rail, a lubricating grease extruder is slidably arranged on the fourth sliding rail through a sliding block, and a seventh cylinder for driving the lubricating grease extruder to move is arranged on one side of the fourth sliding rail.

[0013] Preferably, one side of the first slide rail is equipped with a first fixing mechanism for fixing the base in the assembly jig, the first fixing mechanism comprises an eighth cylinder, and an acting end of the eighth cylinder is equipped with a pressing rod acting on the base.

[0014] Preferably, the rack is equipped with a second fixing mechanism for fixing the base in the assembly jig, the second fixing mechanism comprises a ninth cylinder, one side of the assembly jig is equipped with a resettable fixing block through a spring, an acting end of the ninth cylinder is equipped with a moving rod, the moving rod is provided with a driving slope for driving the fixing block to move and limit the base, and one side of the moving rod is fixedly provided with a positioning rod for accurately positioning the adjusting screw rod and the mounting hole on the base.

[0015] The utility model discloses the beneficial effects of the following:

[0016] 1, the cooperation of the assembly mechanism makes the rotating chuck head can realize accurate positioning in multiple dimensions, ensures that the adjusting screw rod is closely connected with the rotating chuck head and the position is accurate, and in addition to the accurate rotation control of the servo motor, the adjusting screw rod can be screwed into the base with very high precision, effectively reduces the product defective rate caused by the poor assembly of the adjusting screw rod, greatly improves the assembly precision and quality of the product, makes the performance of the temperature controller switch assembly more stable and reliable, has stronger advantage in market competition, improves production efficiency and reduces production cost,

[0017] 2, the cooperation of the monitoring mechanism on the assembly seat and the photoelectric sensor realizes automatic and high-precision assembly depth control, can realize real-time monitoring of the rotating stroke of the rotating chuck head in the assembly process, ensures that the depth of the adjusting screw rod screwed into the base completely meets the requirements, effectively avoids the adverse effects of improper screwing depth on the performance and quality of the temperature controller switch assembly, further improves the consistency and stability of product quality, reduces the risk of defective products caused by the difficulty of accurately controlling the assembly depth by manual operation, improves the yield of products,

[0018] The first fixing mechanism and the second fixing mechanism adopt a multi-directional cooperative fixing mode, and accurate positioning docking of the two is realized. The stable fixing and accurate positioning mode effectively prevents displacement and shaking of the base during assembly, greatly improves the docking precision of the adjusting screw rod and the base mounting hole, reduces assembly errors, guarantees the assembly quality of the product from the source, reduces the defective rate caused by inaccurate base positioning, improves the production qualified rate and overall quality image of the product, and makes the product more competitive in the market. BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings described herein are used to provide further understanding of the present application, constitute a part of the present application, the schematic embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application. In the drawings:

[0020] Figure 1 is a top view structure diagram of the whole present application,

[0021] Figure 2 is a structure perspective view of the adjusting screw feeding assembly station,

[0022] Figure 3 is Figure 2 is a structure enlarged view of A in the middle,

[0023] Figure 4 is Figure 2 is a structure enlarged view of B in the middle,

[0024] Figure 5 is a structure perspective view of the clamping air cylinder in the material taking state of the present application,

[0025] Figure 6 is a structure perspective view of the clamping air cylinder in the material placing state of the present application,

[0026] Figure 7 is a structure perspective view of the feeding mechanism and the transfer mechanism of the present application,

[0027] Figure 8 is a structure perspective view of the second fixing mechanism position of the present application,

[0028] Figure 9 is a whole structure perspective view of the temperature controller switch assembly after combination,

[0029] Figure 10 is Figure 9 is an explosion structure perspective view,

[0030] Legend:

[0031] 1, rack, 2, index plate, 3, assembly fixture, 4, base loading station, 5, adjusting screw loading assembly station, 6, limiting sheet loading station, 7, limiting sheet assembly station, 8, adjusting screw loading assembly station, 9, discharge station, 10, adjusting screw, 11, loading mechanism, 12, assembly mechanism, 13, transfer mechanism, 14, vibration disc, 15, support, 16, movable plate, 17, groove, 18, first cylinder, 19, first limiting mechanism, 20, second cylinder, 21, positioning pin, 22, first slide rail, 23, second slide rail, 24, third cylinder, 25, assembly seat, 26, fourth cylinder, 27, rotating seat, 28, rotating chuck, 29, servo motor, 30, placing table, 31, second limiting mechanism, 32, fifth cylinder, 33, placing groove, 34, limiting rod, 35, monitoring mechanism, 351, stroke monitoring disc, 36, photoelectric sensor, 37, through hole, 38, third slide rail, 39, rotary cylinder, 40, sixth cylinder, 41, clamping cylinder, 42, grease adding mechanism, 43, fourth slide rail, 44, grease extruder, 45, seventh cylinder, 46, first fixing mechanism, 47, eighth cylinder, 48, pressing rod, 49, second fixing mechanism, 50, ninth cylinder, 51, fixed block, 52, moving rod, 53, driving slope, 54, positioning rod, 01, base, 011, assembly hole, 02, limiting sheet, 03, adjusting screw. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0033] Specific embodiments are given below.

[0034] Please refer to Figures 1-10The utility model discloses a temperature controller switch subassembly assembly machine, including frame 1, frame 1 is rotationally assembled with index plate 2, the index plate 2 is equidistantly provided with assembly fixture 3 in ring array, frame 1 is sequentially provided with base feeding station 4 for base 01 feeding, adjusting screw rod feeding assembly station 5 for adjusting screw rod 10 feeding and assembly, limiting sheet 02 feeding limiting sheet feeding station 6 for, limiting sheet 02 assembly limiting sheet assembly station 7 for, adjusting screw 03 feeding assembly adjusting screw feeding assembly station 8 for, and the discharge station 9 for finished product discharge, adjusting screw rod feeding assembly station 5 includes the feeding mechanism 11 for adjusting screw rod 10 feeding, the assembly mechanism 12 for adjusting screw rod 10 assembly, still includes the transfer mechanism 13 for taking the adjusting screw rod 10 of feeding mechanism 11 and placing to assembly mechanism 12, the feeding mechanism 11 includes vibration disc 14, the discharge port position of vibration disc 14 is provided with support 15, the movable plate 16 for moving the adjusting screw rod 10 of vibration disc 14 export is slidably arranged in support 15, recess 17 for containing adjusting screw rod 10 is formed in movable plate 16, first air cylinder 18 for driving movable plate 16 to move is provided on frame 1, first limiting mechanism 19 for limiting adjusting screw rod 10 at the export of vibration disc 14 is provided on support 15, and first limiting mechanism 19 includes second air cylinder 20, resettable positioning pin 21 is provided on support 15 through spring, the first sliding rail 22 is included in assembly mechanism 12, the second sliding rail 23 is slidably assembled on the first sliding rail 22, one side of the first sliding rail 22 is provided with third air cylinder 24 for driving the movement of the second sliding rail 23, the assembly seat 25 is slidably assembled on the second sliding rail 23, the fourth air cylinder 26 for driving the movement of the assembly seat 25 is assembled on the second sliding rail 23, the rotating seat 27 is assembled on the assembly seat 25, the rotating head 28 matched with adjusting screw rod 10 is rotatably assembled in the rotating seat 27, the servo motor 29 for driving the rotation of the rotating head 28 is assembled on the assembly seat 25, the assembly mechanism 12 further includes the placement table 30 for placing adjusting screw rod 10 below the rotating head 28, the third sliding rail 38 is included in transfer mechanism 13, the rotating cylinder 39 is slidably assembled on the third sliding rail 38 through the sliding block, the sixth air cylinder 40 for driving the movement of the rotating cylinder 39 is assembled on the third sliding rail 38, the clamping cylinder 41 for clamping adjusting screw rod 10 is fixedly assembled on the acting end of the rotating cylinder 39, when working, temperature controller switch subassembly assembly machine starts, the index plate 2 rotates at the set rhythm, first the base 01 is fed on the base feeding station 4 and is placed in assembly fixture 3 after clamping, when turning to adjusting screw rod feeding assembly station 5, vibration disc 14 makes adjusting screw rod 10 move to the discharge port, the first air cylinder 18 drives movable plate 16 to move, one adjusting screw rod 10 is moved out each time, the first limiting mechanism 19 limits the position of the adjusting screw rod 10 of its back position,The sixth cylinder 40 of the transfer mechanism 13 drives the rotating cylinder 39 to the movable plate 16, the clamping cylinder 41 clamps the adjusting screw 10, the rotating cylinder 39 can adjust the posture, and then is moved to the placing groove 33 in the placing table 30 by the sixth cylinder 40 and is placed, at this time, the third cylinder 24 and the fourth cylinder 26 of the assembly mechanism 12 act in turn, the rotating chuck 28 is aligned with the adjusting screw 10 in the placing groove 33, the adjusting screw 10 is sucked into the rotating chuck 28 through the magnetic block, then the third cylinder 24 works to drive the second sliding rail 23 to move and drive the rotating chuck 28 with the adjusting screw 10 to move above the base 01 on the assembly jig 3, then the fourth cylinder 26 is started to act, so that the rotating chuck 28 and the adjusting screw 10 are close to the base 01 downwards, and the servo motor 29 is started to drive the rotating chuck 28 to rotate and rotate the adjusting screw 10 into the base 01, then the corresponding components are completed through the limiting piece feeding station 6, the limiting piece assembly station 7 and the adjusting screw feeding and assembly station 8 in turn, and finally the finished product is output in the discharging station 9, the vibration disc 14, the movable plate 16 and the first limiting mechanism 19 are cooperated in the utility model, the vibration disc automatic feeding is utilized, the movable plate orderly removes a single adjusting screw 10, the first limiting mechanism 19 prevents subsequent screw interference, improves feeding efficiency and accuracy, reduces the failure rate, the assembly mechanism 12 makes the adjusting screw 10 accurately rotate into the base 01, improves assembly precision and quality, reduces the defective rate, enhances product reliability and stability.

[0035] Further, the placing table 30 is provided with a placing groove 33 for placing the adjusting screw 10, and a second limiting mechanism 31 for limiting the adjusting screw 10 is further arranged on the placing table 30, the second limiting mechanism 31 comprises a fifth cylinder 32, and a limiting rod 34 extending into the placing groove 33 is arranged on the acting end of the fifth cylinder 32, when the transfer mechanism 13 places the adjusting screw 10 into the placing groove 33 of the placing table 30, the fifth cylinder 32 drives the limiting rod 34 to extend out and limit the adjusting screw 10 in the placing groove 33, so that the adjusting screw 10 is prevented from deviating or rolling before assembly, and the rotating chuck 28 can accurately butt joint with the adjusting screw 10 to ensure that the subsequent assembly operation is smoothly carried out, which is beneficial to improve the assembly quality and efficiency.

[0036] Further, the assembly seat 25 is provided with a monitoring mechanism 35 for limiting the rotation stroke of the rotating chuck 28, the monitoring mechanism 35 includes a stroke monitoring disc 351 fixedly arranged on the rotating chuck 28, the stroke monitoring disc 351 is provided with a through hole 37, and further includes a photoelectric sensor 36 matched with the stroke monitoring disc 351; in work, during the assembly process driven by the servo motor 29, the stroke monitoring disc 351 rotates with the rotating chuck 28, when the rotating chuck 28 rotates to a set stroke, the through hole 37 on the stroke monitoring disc 351 passes through the photoelectric sensor 36, the photoelectric sensor 36 detects the change of the light signal, and then sends a signal to the control system, so that the control system stops the rotation of the servo motor 29 according to the signal, and the assembly operation of the adjusting screw 10 is completed; the monitoring mechanism 35 can accurately monitor the rotation stroke of the rotating chuck 28, ensure that the depth of the adjusting screw 10 screwed into the base 01 meets the requirements, and avoid affecting the performance and quality of the temperature controller switch assembly due to over-deep or shallow screwing; through the cooperation of the photoelectric sensor 36 and the stroke monitoring disc 351, automatic stroke monitoring and control are realized, the assembly precision and reliability are improved, and the product defective rate caused by the inability of manual control of the assembly depth is reduced.

[0037] Further, the rack 1 is further provided with a lubricating grease adding mechanism 42 for adding lubricating grease to the threads of the adjusting screw 10, the lubricating grease adding mechanism 42 includes a fourth sliding rail 43, a lubricating grease extruder 44 is slidably assembled on the fourth sliding rail 43 through a sliding block, and a seventh cylinder 45 is arranged on one side of the fourth sliding rail 43 and used to drive the lubricating grease extruder 44 to move; in work, before the adjusting screw 10 is adsorbed by the rotating chuck 28 to be assembled, the seventh cylinder 45 drives the lubricating grease extruder 44 to move on the fourth sliding rail 43, so that the discharge port of the lubricating grease extruder 44 is close to the threads of the adjusting screw 10, then the lubricating grease extruder 44 works to extrude and apply an appropriate amount of lubricating grease to the threads of the adjusting screw 10, so that the adjusting screw 10 can be more smoothly screwed into the base 01 in the subsequent assembly process, and the friction and wear in the subsequent use process are reduced, the rotation of the adjusting screw 10 is more smooth, the lubricating grease adding mechanism 42 can lubricate the threads of the adjusting screw 10 before assembly, reduce the friction coefficient between the adjusting screw 10 and the assembly hole 011 of the base 01, not only facilitate the adjusting screw 10 to be more easily and accurately screwed into the base 01, improve the assembly efficiency, but also reduce the wear between parts, prolong the service life of the temperature controller switch assembly, and improve the overall quality and reliability of the product.

[0038] Further, one side of the first sliding rail 22 is equipped with a first fixing mechanism 46 for fixing the base 01 in the assembly jig 3, the first fixing mechanism 46 comprises an eighth cylinder 47, the acting end of the eighth cylinder 47 is equipped with a pressing rod 48 acting on the base 01, the rack 1 is equipped with a second fixing mechanism 49 for fixing the base 01 in the assembly jig 3, the second fixing mechanism 49 comprises a ninth cylinder 50, one side of the assembly jig 3 is equipped with a resettable fixing block 51 through a spring, the acting end of the ninth cylinder 50 is equipped with a moving rod 52, the moving rod 52 is provided with a driving slope 53 for driving the fixing block 51 to move and limit the base 01, one side of the moving rod 52 is fixedly provided with a positioning rod 54 for accurately positioning the adjusting screw 10 and the assembly hole 011 of the base 01, in working, when the adjusting screw 10 and the base 01 are assembled, the eighth cylinder 47 drives the pressing rod 48 to move downward, the base 01 in the assembly jig 3 is preliminarily fixed, at the same time, the ninth cylinder 50 drives the moving rod 52 to move, the driving slope 53 on the moving rod 52 pushes the fixing block 51 to move to the base 01 direction, the fixing block 51 further fixes the base 01 in the assembly jig 3, and when the moving rod 52 moves, the positioning rod 54 is inserted into the assembly hole 011 of the base 01 and the hole of the adjusting screw 10, the position of the assembly hole 011 and the adjusting screw 10 is accurately positioned, it is ensured that the adjusting screw 10 can be accurately screwed into the assembly hole 011, the cooperation of the first fixing mechanism 46 and the second fixing mechanism 49 can firmly fix the base 01 from multiple directions, prevent the base 01 from moving or shaking in the assembly process, ensure the accuracy and stability of the assembly, the positioning rod 54 further improves the precision of the adjusting screw 10 and the assembly hole 011 of the base 01, effectively reduces the assembly error, improves the assembly quality of the product, reduces the rate of defective products caused by the base 01 being not firmly fixed or not accurately positioned.

[0039] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0040] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A thermostat switch assembly machine characterized by: The utility model provides a kind of adjusting screw assembly device, including rack (1), the rack (1) is rotationally equipped with index plate (2), the index plate (2) is equidistantly provided with assembly jig (3) in annular array, the rack (1) is sequentially provided with base loading station (4), adjusting screw loading assembly station (5), limiting sheet loading station (6), limiting sheet assembly station (7), adjusting screw loading assembly station (8), discharge station (9) along the direction of rotation of index plate (2) respectively, the adjusting screw loading assembly station (5) includes for adjusting screw (10) loading loading mechanism (11), for adjusting screw (10) assembly assembly mechanism (12), still include transfer mechanism (13) for adjusting screw (10) pick-and-place from loading mechanism (11) to assembly mechanism (12) in.

2. The thermostat switch assembly machine of claim 1, wherein: The loading mechanism (11) includes a vibrating disc (14), a support (15) is provided at the discharge port of the vibrating disc (14), a movable plate (16) is slidably arranged in the support (15) for moving the adjusting screws (10) at the outlet of the vibrating disc (14) one by one, a groove (17) is formed in the movable plate (16) for accommodating the adjusting screws (10), a first air cylinder (18) is provided on the rack (1) for driving the movable plate (16) to move, a first limiting mechanism (19) is provided on the support (15) for limiting the adjusting screws (10) at the outlet of the vibrating disc (14), the first limiting mechanism (19) includes a second air cylinder (20), and a resettable positioning pin (21) is provided on the support (15) by a spring.

3. The thermostat switch assembly machine of claim 1, wherein: The assembly mechanism (12) includes a first sliding rail (22), a second sliding rail (23) is slidably arranged on the first sliding rail (22), a third air cylinder (24) is provided on one side of the first sliding rail (22) for driving the second sliding rail (23) to move, an assembly seat (25) is slidably arranged on the second sliding rail (23), a fourth air cylinder (26) is arranged on the second sliding rail (23) for driving the assembly seat (25) to move, a rotating seat (27) is arranged on the assembly seat (25), a rotating chuck (28) adapted to the adjusting screw (10) is rotatably arranged in the rotating seat (27), a servo motor (29) is arranged on the assembly seat (25) for driving the rotating chuck (28) to rotate, and a placement table (30) is arranged directly below the rotating chuck (28) for placing the adjusting screw (10).

4. The thermostat switch assembly machine of claim 3, wherein: The placement table (30) is provided with a placement groove (33) for placing the adjusting screw (10), and a second limiting mechanism (31) is further provided on the placement table (30) for limiting the adjusting screw (10), the second limiting mechanism (31) includes a fifth air cylinder (32), and a limiting rod (34) extending into the placement groove (33) is arranged at the acting end of the fifth air cylinder (32).

5. The thermostat switch assembly machine of claim 3, wherein: A monitoring mechanism (35) is arranged on the assembly seat (25) for limiting the rotating stroke of the rotating chuck (28).

6. A thermostat switch assembly machine according to claim 5, wherein: The monitoring mechanism (35) comprises a stroke monitoring disc (351) fixedly arranged on the rotating chuck (28), and a through hole (37) is arranged in the stroke monitoring disc (351); and the monitoring mechanism (35) further comprises a photoelectric sensor (36) matched with the stroke monitoring disc (351).

7. The thermostat switch assembly machine of claim 1, wherein: The transfer mechanism (13) comprises a third sliding rail (38), a rotating cylinder (39) is slidably arranged on the third sliding rail (38) through a sliding block, and a sixth cylinder (40) for driving the rotating cylinder (39) to move is arranged on the third sliding rail (38); and an acting end of the rotating cylinder (39) is fixedly arranged with a clamping cylinder (41) for clamping the adjusting screw rod (10).

8. The thermostat switch assembly machine of claim 1, wherein: The rack (1) is further provided with a lubricating grease adding mechanism (42) for adding lubricating grease to the thread of the adjusting screw rod (10), the lubricating grease adding mechanism (42) comprises a fourth sliding rail (43), a lubricating grease extruder (44) is slidably arranged on the fourth sliding rail (43) through a sliding block, and a seventh cylinder (45) for driving the lubricating grease extruder (44) to move is arranged on one side of the fourth sliding rail (43).

9. The thermostat switch assembly machine of claim 3, wherein: One side of the first sliding rail (22) is arranged with a first fixing mechanism (46) for fixing the base (01) in the assembly jig (3), the first fixing mechanism (46) comprises an eighth cylinder (47), and an acting end of the eighth cylinder (47) is arranged with a pressing rod (48) acting on the base (01).

10. The thermostat switch assembly machine of claim 1, wherein: The rack (1) is arranged with a second fixing mechanism (49) for fixing the base (01) in the assembly jig (3), the second fixing mechanism (49) comprises a ninth cylinder (50), one side of the assembly jig (3) is arranged with a resettable fixing block (51) through a spring, an acting end of the ninth cylinder (50) is arranged with a moving rod (52), the moving rod (52) is arranged with a driving inclined surface (53) for driving the fixing block (51) to move and limiting the base (01), and one side of the moving rod (52) is fixedly arranged with a positioning rod (54) for accurately positioning the adjusting screw rod (10) and the assembly hole (011) on the base (01).

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