Screw locking system of carburetor

By automating the design of the machine and screw fastening assembly, the problem of uneven carburetor screw fastening was solved, achieving an efficient and safe screw installation process and improving the yield rate and installation consistency of carburetors.

CN222327275UActive Publication Date: 2025-01-10FUDING FENGTAI CARBURETOR MFG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420314515.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-20
Publication Date
2025-01-10
Estimated Expiration
2034-02-20

AI Technical Summary

Technical Problem

The screw fixing process of existing carburetors requires manual operation, which has poor precision, low yield, and high cost. It is also prone to uneven contact between the upper and lower housings, causing warping and oil leakage.

Method used

The machine uses a machine base, screw fastening assembly, reciprocating motor, and three identical screw fastening machines. It achieves automated screw fastening through guide rods and connecting frames, and combines a vibrating feeder and a reflector to improve efficiency and safety.

Benefits of technology

This method achieves uniform fixing of carburetor screws, improves yield, reduces labor and material costs, and ensures installation consistency and safety.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222327275U_ABST
    Figure CN222327275U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of carburetors, in particular to a screw locking system of a carburetor, which comprises a machine table and a screw locking component. The screw locking assembly comprises a guide rod, a reciprocating motor, a platform, a connecting frame and three screw locking machines, the guide rod is vertically arranged on the platform, the connecting frame is connected to the guide rod, and the screw locking machines are arranged on the connecting frame in parallel; the platform is arranged on the machine table and located below the connecting frame, and a shell base matched with the lower shell is arranged on the platform; the reciprocating motor drives the connecting frame to reciprocate along the guide rod; when installation is needed through the three screw locking machines, the upper shell and the lower shell are overlapped and placed on the shell base, three screws are placed on the screw locking machines, and the reciprocating motor moves downwards along the guide rod, so that the three screws are matched with the three screw holes at the same time to be fixed; and meanwhile, the three screw locking machines can ensure that the output torque has consistency, so that the screw locking consistency is ensured.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of carburetors, in particular to a screw locking system for a carburetors. Background Art

[0002] The carburetor is a very important accessory on a gasoline engine and is the "heart" of the engine. It mixes a certain amount of fuel with air and provides the required mixed gas according to the requirements of the engine under various working conditions to make the engine run normally. Currently, carburetors on the market are composed of an upper shell and a lower shell, which need to be fastened with screws. Generally, three screws are required for fixing. However, in the prior art, it is generally necessary to manually hold a screw locking device to align the product and lock the screws, which has poor accuracy, low yield rate, waste of manpower and material resources, low efficiency and high cost. Moreover, if the three screws are not locked evenly, it will cause uneven contact between the upper and lower shells and warping, and then oil leakage will occur. Utility Model Content

[0003] In order to overcome the above-mentioned defects of the prior art, the technical problem to be solved by the utility model is to provide a carburetor screw locking system which improves the locking consistency of the three screws of the carburetor.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] A screw locking system for a carburetor, the carburetor comprising an upper shell and a lower shell, the upper shell and the lower shell are respectively provided with three screw holes for screw fixing;

[0006] The screw locking system comprises a machine platform and a screw locking assembly;

[0007] The screw locking assembly includes a guide rod, a reciprocating motor, a platform, a connecting frame and three screw locking machines of the same model, wherein the guide rod is vertically arranged on the machine platform, the connecting frame is connected to the guide rod, and the three screw locking machines are arranged in parallel on the connecting frame; the platform is arranged on the machine platform and located below the connecting frame, and a shell seat matching with the lower shell is arranged on the platform;

[0008] A first switch and a second switch are arranged on the machine platforms on both sides of the housing seat, and the first switch and the second switch, a reciprocating motor and three screw locking machines are arranged in series; the first switch and the second switch are both normally open switches that are pressed;

[0009] The reciprocating motor drives the connecting frame to reciprocate along the guide rod. The three screw locking machines correspond to the three screw holes of the carburetor, and the three fixing screws are respectively arranged on the three screw locking machines.

[0010] Preferably, the screw locking system further comprises a vibrating feeder, the screw locking machine comprises a feeding air pipe, the vibrating feeder comprises a feeding port, and the feeding port is connected to the feeding air pipe.

[0011] Preferably, a boss seat is provided on the machine platform, and the vibrating feeder is located on the boss seat.

[0012] Preferably, there are two guide rods, the two guide rods are arranged in parallel, and positioning rods are fixedly arranged on the tops of the two guide rods;

[0013] The connecting frame is provided with a guide hole matched with the guide rod, and the reciprocating motor is fixed on the connecting frame and connected with the positioning rod.

[0014] Preferably, the guide rod is further provided with a positioning plate, and the positioning plate moves along the guide rod;

[0015] The positioning plate is provided with a connecting rod, and the positioning plate and the connecting frame are connected through the connecting rod;

[0016] The positioning plate is provided with a slot for the screw locking machine and the feeding air pipe to pass through, and the slot is provided with a bracket for assisting the screw locking machine to be fixed.

[0017] Preferably, a reflective mirror is arranged on the operating side of the slot of the machine platform and on the side of the housing base away from the operating side, and the reflective mirror is arranged to be inclined toward the slot.

[0018] Preferably, a foot groove is provided at the bottom of the operating side of the machine.

[0019] Preferably, there are two connecting rods connected to the lower surface of the positioning plate and the upper surface of the connecting frame, the reciprocating motor is arranged on the lower surface of the positioning plate, and the two connecting rods are located on both sides of the reciprocating motor.

[0020] Preferably, a limit block is fixedly provided on the guide rod.

[0021] Preferably, an emergency stop switch is arranged on the machine platform on the side of the shell seat; the emergency stop switch, the first switch, the second switch, the reciprocating motor and the three screw locking machines are arranged in series; the emergency stop switch is a normally closed switch that is pressed.

[0022] The beneficial effects of the utility model are: through the three screw locking machines, when installation is required, the upper shell and the lower shell are overlapped and placed on the shell seat, and by placing three screws on the screw locking machine, the reciprocating motor runs downward along the guide rod, so that the three screws are simultaneously matched with the three screw holes to achieve fixation, the structure is simple, and the fixation is convenient. At the same time, the three screw locking machines of the same model can ensure the consistency of the output torque, thereby ensuring the consistency of the screw locking; the first switch and the second switch are both press switches and are arranged in series with the reciprocating motor and the three screw locking machines, and the staff can only start the machine by placing their hands on the two switches respectively, thereby ensuring the work safety of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 The figure shows a structural schematic diagram of a carburetor according to a specific embodiment of the utility model;

[0024] Figure 2 The figure shows a structural schematic diagram of a screw locking system of a carburetor according to a specific embodiment of the utility model;

[0025] Figure 3 The figure is a structural schematic diagram of a screw locking system of a carburetor according to a specific embodiment of the utility model from another angle;

[0026] Explanation of reference numbers: 1. Carburetor; 11. Screw hole; 2. Machine platform; 21. First switch; 22. Second switch; 23. Boss seat; 24. Operating side; 25. Foot groove; 26. Emergency stop switch; 3. Locking screw assembly; 31. Guide rod; 32. Reciprocating motor; 33. Platform; 34. Connecting frame; 35. Locking screw machine; 36. Shell seat; 37. Feed air pipe; 38. Positioning rod; 39. Positioning plate; 390. Notch; 4. Vibrating feeder; 5. Connecting rod; 6. Reflector; 7. Limit block. DETAILED DESCRIPTION

[0027] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following is an explanation in conjunction with the implementation modes and the accompanying drawings.

[0028] Please refer to Figures 1 to 3 As shown, a screw locking system of a carburetor 1 of the utility model, the carburetor 1 comprises an upper shell and a lower shell, and the upper shell and the lower shell are respectively provided with three screw holes 11 for screw fixing;

[0029] The screw locking system comprises a machine 2 and a screw locking assembly 3;

[0030] The screw locking assembly 3 includes a guide rod 31, a reciprocating motor 32, a platform 33, a connecting frame 34 and three screw locking machines 35 of the same model. The guide rod 31 is vertically arranged on the machine platform 2, the connecting frame 34 is connected to the guide rod 31, and the three screw locking machines 35 are arranged in parallel on the connecting frame 34; the platform 33 is arranged on the machine platform 2 and is located below the connecting frame 34, and a shell seat 36 that cooperates with the lower shell is arranged on the platform 33;

[0031] The machine table 2 on both sides of the housing seat 36 is provided with a first switch 21 and a second switch 22, wherein the first switch 21 and the second switch 22, the reciprocating motor 32 and three screw locking machines 35 are arranged in series; the first switch 21 and the second switch 22 are both normally open switches that are pressed;

[0032] The reciprocating motor 32 drives the connecting frame 34 to reciprocate along the guide rod 31 . The three screw locking machines 35 correspond to the three screw holes 11 of the carburetor 1 . The three fixing screws are respectively arranged on the three screw locking machines 35 .

[0033] From the above description, it can be seen that through the three screw locking machines 35, when installation is required, the upper shell and the lower shell are overlapped and placed on the shell seat 36, and by placing three screws on the screw locking machine 35, the reciprocating motor 32 runs downward along the guide rod 31, so that the three screws are simultaneously matched with the three screw holes 11 to achieve fixation. The structure is simple and the fixation is convenient. At the same time, the three screw locking machines 35 of the same model can ensure the consistency of the output torque, thereby ensuring the consistency of the screw locking; the first switch 21 and the second switch 22 are both press switches and are arranged in series with the reciprocating motor 32 and the three screw locking machines 35. The staff can turn on the machine by placing their hands on the two switches respectively, thereby ensuring the work safety of the staff.

[0034] Furthermore, the screw locking system also includes a vibrating feeder 4 , the screw locking machine 35 includes a feeding air pipe 37 , and the vibrating feeder 4 includes a feeding port, which is connected to the feeding air pipe 37 .

[0035] From the above description, it can be seen that the screws can be placed in the vibrating feeder 4 and then transported through the feeding air pipe 37, without the need for manual placement of the screws, thereby improving efficiency.

[0036] Furthermore, a boss seat 23 is provided on the machine platform 2 , and the vibrating feeder 4 is located on the boss seat 23 .

[0037] It can be seen from the above description that the boss seat 23 can make the position of the vibration feeder 4 higher, which is convenient for feeding and reduces the feeding difficulty of the feed air pipe 37.

[0038] Furthermore, there are two guide rods 31, the two guide rods 31 are arranged in parallel, and positioning rods 38 are fixedly arranged on the tops of the two guide rods 31;

[0039] The connecting frame 34 is provided with a guide hole matched with the guide rod 31 , and the reciprocating motor 32 is fixed on the connecting frame 34 and connected with the positioning rod 38 .

[0040] Furthermore, the guide rod 31 is also provided with a positioning plate 39, and the positioning plate 39 moves along the guide rod 31;

[0041] The positioning plate 39 is provided with a connecting rod 5, and the positioning plate 39 is connected to the connecting frame 34 through the connecting rod 5;

[0042] The positioning plate 39 is provided with a slot 390 for the screw locking machine 35 and the feed air pipe 37 to pass through, and the slot 390 is provided with a bracket for assisting the screw locking machine 35 in fixing.

[0043] It can be seen from the above description that, through the arrangement of the bracket and the notch 390 , it is convenient for the operator to observe the end of the screw locking machine 35 to see if there are any missing screws.

[0044] Furthermore, the notch 390 of the machine table 2 is on the operating side 24 , and a reflector 6 is disposed on a side of the housing seat 36 away from the operating side 24 , and the reflector 6 is tilted toward the notch 390 .

[0045] From the above description, it can be known that by tilting the reflector 6 toward the slot 390 , the operator can conveniently observe whether the screws of the screw locking machine 35 are fed through the slot 390 , thereby ensuring the finished product rate of the carburetor 1 installation.

[0046] Furthermore, a foot groove 25 is provided at the bottom of the operating side 24 of the machine platform 2 .

[0047] It can be seen from the above description that the provision of the foot groove 25 makes it convenient for the staff to put their feet therein, which is more ergonomically designed.

[0048] Furthermore, there are two connecting rods 5 connected to the lower surface of the positioning plate 39 and the upper surface of the connecting frame 34 , the reciprocating motor 32 is arranged on the lower surface of the positioning plate 39 , and the two connecting rods 5 are located on both sides of the reciprocating motor 32 .

[0049] It can be seen from the above description that the two connecting rods 5 are located on both sides of the reciprocating motor 32, which can reasonably utilize the space.

[0050] Furthermore, a limiting block 7 is fixedly provided on the guide rod 31 .

[0051] It can be seen from the above description that, by setting the limit block 7, it is possible to avoid the screw locking machine 35 from crashing due to excessive downward movement.

[0052] Furthermore, an emergency stop switch 26 is provided on the machine 2 on the side of the housing seat 36; the emergency stop switch 26, the first switch 21, the second switch 22, the reciprocating motor 32 and the three screw locking machines 35 are arranged in series; the emergency stop switch 26 is a normally closed switch that is pressed.

[0053] It can be seen from the above description that the emergency stop switch 26 can ensure that the staff can easily turn off the emergency stop switch 26 to ensure safety. Embodiment 1

[0054] A screw locking system for a carburetor 1, the carburetor 1 comprising an upper shell and a lower shell, the upper shell and the lower shell are respectively provided with three screw holes 11 for screw fixing;

[0055] The screw locking system comprises a machine platform 2 and a screw locking assembly 3;

[0056] The screw locking assembly 3 includes a guide rod 31, a reciprocating motor 32, a platform 33, a connecting frame 34 and three screw locking machines 35 of the same model. The guide rod 31 is vertically arranged on the machine platform 2, the connecting frame 34 is connected to the guide rod 31, and the three screw locking machines 35 are arranged in parallel on the connecting frame 34; the platform 33 is arranged on the machine platform 2 and is located below the connecting frame 34, and a shell seat 36 that cooperates with the lower shell is arranged on the platform 33;

[0057] The machine table 2 on both sides of the housing seat 36 is provided with a first switch 21 and a second switch 22, wherein the first switch 21 and the second switch 22, the reciprocating motor 32 and three screw locking machines 35 are arranged in series; the first switch 21 and the second switch 22 are both normally open switches that are pressed;

[0058] The reciprocating motor 32 drives the connecting frame 34 to reciprocate along the guide rod 31 . The three screw locking machines 35 correspond to the three screw holes 11 of the carburetor 1 . The three fixing screws are respectively arranged on the three screw locking machines 35 .

[0059] The screw locking system further includes a vibrating feeder 4 , the screw locking machine 35 includes a feeding air pipe 37 , and the vibrating feeder 4 includes a feeding port, which is communicated with the feeding air pipe 37 .

[0060] The machine platform 2 is provided with a boss seat 23 , and the vibrating feeder 4 is located on the boss seat 23 .

[0061] There are two guide rods 31, the two guide rods 31 are arranged in parallel, and positioning rods 38 are fixedly arranged on the tops of the two guide rods 31;

[0062] The connecting frame 34 is provided with a guide hole matched with the guide rod 31 , and the reciprocating motor 32 is fixed on the connecting frame 34 and connected with the positioning rod 38 .

[0063] The guide rod 31 is also provided with a positioning plate 39, and the positioning plate 39 moves along the guide rod 31;

[0064] The positioning plate 39 is provided with a connecting rod 5, and the positioning plate 39 is connected to the connecting frame 34 through the connecting rod 5;

[0065] The positioning plate 39 is provided with a slot 390 for the screw locking machine 35 and the feed air pipe 37 to pass through, and the slot 390 is provided with a bracket for assisting the screw locking machine 35 in fixing.

[0066] The notch 390 of the machine table 2 is on the operating side 24 , and a reflector 6 is disposed on the side of the housing seat 36 away from the operating side 24 . The reflector 6 is tilted toward the notch 390 .

[0067] A foot groove 25 is formed at the bottom of the operating side 24 of the machine platform 2 .

[0068] There are two connecting rods 5 connected to the lower surface of the positioning plate 39 and the upper surface of the connecting frame 34 . The reciprocating motor 32 is arranged on the lower surface of the positioning plate 39 , and the two connecting rods 5 are located on both sides of the reciprocating motor 32 .

[0069] A limit block 7 is fixedly disposed on the guide rod 31 .

[0070] An emergency stop switch 26 is provided on the machine 2 on the side of the housing seat 36; the emergency stop switch 26, the first switch 21, the second switch 22, the reciprocating motor 32 and the three screw locking machines 35 are arranged in series; the emergency stop switch 26 is a normally closed switch that is pressed. Embodiment 2

[0071] A screw locking system for a carburetor 1, the carburetor 1 comprising an upper shell and a lower shell, the upper shell and the lower shell are respectively provided with three screw holes 11 for screw fixing;

[0072] The screw locking system comprises a machine platform 2 and a screw locking assembly 3;

[0073] The screw locking assembly 3 includes a guide rod 31, a reciprocating motor 32, a platform 33, a connecting frame 34 and three screw locking machines 35 of the same model. The guide rod 31 is vertically arranged on the machine platform 2, the connecting frame 34 is connected to the guide rod 31, and the three screw locking machines 35 are arranged in parallel on the connecting frame 34; the platform 33 is arranged on the machine platform 2 and is located below the connecting frame 34, and a shell seat 36 that cooperates with the lower shell is arranged on the platform 33;

[0074] The machine table 2 on both sides of the housing seat 36 is provided with a first switch 21 and a second switch 22, wherein the first switch 21 and the second switch 22, the reciprocating motor 32 and three screw locking machines 35 are arranged in series; the first switch 21 and the second switch 22 are both normally open switches that are pressed;

[0075] The reciprocating motor 32 drives the connecting frame 34 to reciprocate along the guide rod 31 . The three screw locking machines 35 correspond to the three screw holes 11 of the carburetor 1 . The three fixing screws are respectively arranged on the three screw locking machines 35 .

[0076] The screw locking system further includes a vibrating feeder 4 , the screw locking machine 35 includes a feeding air pipe 37 , and the vibrating feeder 4 includes a feeding port, which is communicated with the feeding air pipe 37 .

[0077] The machine platform 2 is provided with a boss seat 23 , and the vibrating feeder 4 is located on the boss seat 23 .

[0078] There are two guide rods 31, the two guide rods 31 are arranged in parallel, and positioning rods 38 are fixedly arranged on the tops of the two guide rods 31;

[0079] The connecting frame 34 is provided with a guide hole matched with the guide rod 31 , and the reciprocating motor 32 is fixed on the connecting frame 34 and connected with the positioning rod 38 .

[0080] The guide rod 31 is also provided with a positioning plate 39, and the positioning plate 39 moves along the guide rod 31;

[0081] The positioning plate 39 is provided with a connecting rod 5, and the positioning plate 39 is connected to the connecting frame 34 through the connecting rod 5;

[0082] The positioning plate 39 is provided with a slot 390 for the screw locking machine 35 and the feed air pipe 37 to pass through, and the slot 390 is provided with a bracket for assisting the screw locking machine 35 in fixing.

[0083] A foot groove 25 is formed at the bottom of the operating side 24 of the machine platform 2 .

[0084] There are two connecting rods 5 connected to the lower surface of the positioning plate 39 and the upper surface of the connecting frame 34 . The reciprocating motor 32 is arranged on the lower surface of the positioning plate 39 , and the two connecting rods 5 are located on both sides of the reciprocating motor 32 .

[0085] A limit block 7 is fixedly disposed on the guide rod 31 .

[0086] An emergency stop switch 26 is provided on the machine 2 on the side of the housing seat 36; the emergency stop switch 26, the first switch 21, the second switch 22, the reciprocating motor 32 and the three screw locking machines 35 are arranged in series; the emergency stop switch 26 is a normally closed switch that is pressed. Embodiment 3

[0087] A screw locking system for a carburetor 1, the carburetor 1 comprising an upper shell and a lower shell, the upper shell and the lower shell are respectively provided with three screw holes 11 for screw fixing;

[0088] The screw locking system comprises a machine platform 2 and a screw locking assembly 3;

[0089] The screw locking assembly 3 includes a guide rod 31, a reciprocating motor 32, a platform 33, a connecting frame 34 and three screw locking machines 35 of the same model. The guide rod 31 is vertically arranged on the machine platform 2, the connecting frame 34 is connected to the guide rod 31, and the three screw locking machines 35 are arranged in parallel on the connecting frame 34; the platform 33 is arranged on the machine platform 2 and is located below the connecting frame 34, and a shell seat 36 that cooperates with the lower shell is arranged on the platform 33;

[0090] The machine table 2 on both sides of the housing seat 36 is provided with a first switch 21 and a second switch 22, wherein the first switch 21 and the second switch 22, the reciprocating motor 32 and three screw locking machines 35 are arranged in series; the first switch 21 and the second switch 22 are both normally open switches that are pressed;

[0091] The reciprocating motor 32 drives the connecting frame 34 to reciprocate along the guide rod 31 . The three screw locking machines 35 correspond to the three screw holes 11 of the carburetor 1 , and the three screws are respectively arranged on the three screw locking machines 35 .

[0092] The guide rod 31 is also provided with a positioning plate 39, and the positioning plate 39 moves along the guide rod 31;

[0093] The positioning plate 39 is provided with a connecting rod 5, and the positioning plate 39 is connected to the connecting frame 34 through the connecting rod 5;

[0094] The positioning plate 39 is provided with a slot 390 for the screw locking machine 35 to pass through, and the slot 390 is provided with a bracket for assisting the screw locking machine 35 in fixing.

[0095] A foot groove 25 is formed at the bottom of the operating side 24 of the machine platform 2 .

[0096] There are two connecting rods 5 connected to the lower surface of the positioning plate 39 and the upper surface of the connecting frame 34 . The reciprocating motor 32 is arranged on the lower surface of the positioning plate 39 , and the two connecting rods 5 are located on both sides of the reciprocating motor 32 .

[0097] A limit block 7 is fixedly disposed on the guide rod 31 .

[0098] An emergency stop switch 26 is provided on the machine 2 on the side of the housing seat 36; the emergency stop switch 26, the first switch 21, the second switch 22, the reciprocating motor 32 and the three screw locking machines 35 are arranged in series; the emergency stop switch 26 is a normally closed switch that is pressed.

[0099] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A screw locking system for a carburetor, the carburetor comprising an upper shell and a lower shell, the upper shell and the lower shell are respectively provided with three screw holes for screw fixing; It is characterized in that The screw locking system comprises a machine platform and a screw locking assembly; The screw locking assembly includes a guide rod, a reciprocating motor, a platform, a connecting frame and three screw locking machines of the same model, wherein the guide rod is vertically arranged on the machine platform, the connecting frame is connected to the guide rod, and the three screw locking machines are arranged in parallel on the connecting frame; the platform is arranged on the machine platform and located below the connecting frame, and a shell seat matching with the lower shell is arranged on the platform; A first switch and a second switch are arranged on the machine platforms on both sides of the housing seat, and the first switch and the second switch, a reciprocating motor and three screw locking machines are arranged in series; the first switch and the second switch are both normally open switches that are pressed; The reciprocating motor drives the connecting frame to reciprocate along the guide rod, and the three screw locking machines correspond to the three screw holes of the carburetor.

2. The carburetor screw locking system according to claim 1, characterized in that: The screw locking system also includes a vibrating feeder, the screw locking machine includes a feeding air pipe, and the vibrating feeder includes a feeding port, which is connected to the feeding air pipe.

3. The carburetor screw locking system according to claim 2, characterized in that: A boss seat is arranged on the machine platform, and the vibrating feeder is located on the boss seat.

4. The carburetor screw locking system according to claim 2, characterized in that: There are two guide rods, which are arranged in parallel, and positioning rods are fixedly arranged on the tops of the two guide rods; The connecting frame is provided with a guide hole matched with the guide rod, and the reciprocating motor is fixed on the connecting frame and connected with the positioning rod.

5. The carburetor screw locking system according to claim 4, characterized in that: The guide rod is also provided with a positioning plate, and the positioning plate moves along the guide rod; The positioning plate is provided with a connecting rod, and the positioning plate and the connecting frame are connected through the connecting rod; The positioning plate is provided with a slot for the screw locking machine and the feeding air pipe to pass through, and the slot is provided with a bracket for assisting the screw locking machine to be fixed.

6. The carburetor screw locking system according to claim 5, characterized in that: A reflector is arranged on the operating side of the machine slot and on the side of the housing seat away from the operating side, and the reflector is arranged to be inclined toward the slot.

7. The carburetor screw locking system according to claim 6, characterized in that: A foot groove is provided at the bottom of the operating side of the machine.

8. The carburetor screw locking system according to claim 5, characterized in that: There are two connecting rods connected to the lower surface of the positioning plate and the upper surface of the connecting frame. The reciprocating motor is arranged on the lower surface of the positioning plate, and the two connecting rods are located on both sides of the reciprocating motor.

9. The carburetor screw locking system according to claim 4, characterized in that: A limit block is fixedly arranged on the guide rod.

10. The carburetor screw locking system according to claim 1, characterized in that: An emergency stop switch is arranged on the machine platform on the side of the shell seat; the emergency stop switch, the first switch, the second switch, the reciprocating motor and the three screw locking machines are arranged in series; the emergency stop switch is a normally closed switch that is pressed.