Online automatic feeding and tightening equipment for binding post bolts
By designing an online automatic feeding and tightening device for terminal bolts, the problem of manual pre-tightening required by traditional equipment has been solved. This device achieves automated tightening and feeding, improves production efficiency, adapts to different product specifications and angles, and saves labor costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI PUFENG AUTOMATION TECH CO LTD
- Filing Date
- 2025-05-26
- Publication Date
- 2026-04-21
AI Technical Summary
Traditional compressor terminal bolt tightening equipment requires manual pre-tightening, which occupies a large space, has a low degree of automation, a long production cycle, and high labor costs.
Design an online automatic feeding and tightening device for terminal block bolts, including a chassis, an automatic tightening component, a clamping component, a bolt transfer component, and a lifting and unloading device, to achieve automated tightening and feeding, and adapt to different product specifications and tightening torques.
It enables automatic tightening of terminal bolts, saving labor costs, improving tightening efficiency, and adapting to different product specifications and tightening angles.
Smart Images

Figure CN224143942U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automotive air conditioning compressor assembly technology, specifically to an online automatic feeding and tightening device for terminal bolts. Background Technology
[0002] Traditional compressor terminal bolt tightening equipment usually requires manual pre-tightening before this process, which occupies a large space in the entire line, has a low degree of automation integration, a long production cycle, and consumes a lot of labor costs.
[0003] Therefore, we propose an online automatic feeding and tightening device for terminal bolts to solve the problems mentioned above. Utility Model Content
[0004] The purpose of this invention is to provide an online automatic feeding and tightening device for terminal bolts to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: an online automatic feeding and tightening device for terminal bolts, comprising: a chassis, wherein an automatic tightening assembly, a clamping assembly, a bolt transfer assembly and a lifting and unloading device are provided inside the chassis, and an automatic feeding system is provided outside the chassis;
[0006] The automatic tightening assembly and the lifting and unloading device are connected across the production line, and the accompanying plate is transported on the production line, with the product placed on the accompanying plate;
[0007] The clamping assembly is located above the lifting and unloading device. The clamping assembly works with the lifting and unloading device to clamp and fix the product on the accompanying plate that has arrived at this location. The automatic tightening assembly then automatically tightens the product.
[0008] The bolt transfer assembly is located between the automatic feeding system and the lifting and unloading device, and the bolt transfer assembly removes the bolts supplied by the automatic feeding system.
[0009] Preferably, a human-machine interface and a three-color tower light are installed on the chassis, and an electrical cabinet is provided inside the chassis. The electrical cabinet is electrically connected to the human-machine interface and the three-color tower light.
[0010] Preferably, the automatic tightening assembly includes a bracket, a transfer electric cylinder is mounted on the bracket, a lifting electric cylinder is mounted on the transfer electric cylinder, a tightening gun is mounted on the lifting electric cylinder, the telescopic end of the lifting electric cylinder is connected to a lifting seat, the lifting seat is slidably mounted up and down via a linear guide rail, a rotary cylinder is mounted on the lifting seat, the rotary cylinder drives the tightening gun, and the lower end of the tightening gun is connected to a sleeve via a flexible coupling.
[0011] Preferably, there are two tightening guns, which are synchronously connected by a timing pulley, and the tightening guns are rotatably connected to the lifting seat by a cross ball bearing.
[0012] Preferably, the clamping assembly includes two ejector cylinders, with the telescopic ends of the ejector cylinders fixedly connected to the pressing part.
[0013] Preferably, the bolt transfer assembly includes a lifting cylinder, a transfer cylinder, and a positioning cylinder. A pipe joint is installed on the telescopic end of the lifting cylinder, and the pipe joint is connected to the automatic bolt feeding system. The transfer cylinder is located directly below the lifting cylinder. A horizontal driving positioning plate is mounted on the transfer cylinder. Bolt and sleeve photoelectric detection sensors are respectively installed on the front and rear sides of the transfer cylinder. The positioning cylinder is located below the transfer cylinder.
[0014] Preferably, the lifting and unloading device includes a lifting cylinder, which is fixedly installed on the base plate. A lifting plate is fixedly installed on the telescopic end of the lifting cylinder. A blocking cylinder and a positioning pin are fixedly installed on the lifting plate. A push-pull cylinder is also provided on the base plate, and the telescopic end of the push-pull cylinder is fixedly connected to the unloading block.
[0015] Compared with the prior art, the beneficial effects of this utility model are:
[0016] It can automatically tighten terminal bolts, adapt to bolt specifications and tightening torque of different products, automatically feed bolts, and is compatible with different product heights and tightening angles, saving labor costs and improving tightening efficiency. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the structure of this utility model;
[0018] Figure 2 This is a side view of the present invention;
[0019] Figure 3 This is a schematic diagram of the lifting and unloading device in this utility model;
[0020] Figure 4 This is a schematic diagram of the bolt transfer assembly in this utility model;
[0021] Figure 5 This is a side view of the bolt transfer assembly in this utility model;
[0022] Figure 6 This is a schematic diagram of the automatic tightening component in this utility model;
[0023] Figure 7 This is a side view of the automatic tightening component in this utility model.
[0024] In the diagram: 1. Automatic tightening assembly; 10. Transfer cylinder; 11. Lifting cylinder; 12. Rotary cylinder; 13. Tightening gun; 14. Flexible coupling; 15. Sleeve; 16. Linear guide rail; 17. Synchronous pulley; 18. Cross ball bearing; 2. Pressing assembly; 21. Ejection cylinder; 22. Lowering part; 3. Bolt transfer assembly; 31. Transfer cylinder; 32. Lifting cylinder; 33. Positioning cylinder; 34. Pipe joint; 35. Positioning plate; 36. Bolt through-beam detection sensor; 37. Sleeve through-beam detection sensor; 4. Lifting and unloading device; 41. Positioning pin; 42. Blocking cylinder; 43. Lifting cylinder; 48. Push-pull cylinder; 49. Unloading block; 5. Following plate; 6. Production line; 7. Automatic feeding system; 8. Human-machine interface; 9. Three-color tower light. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0026] Please see Figure 1-7 This utility model provides a technical solution: an online automatic feeding and tightening device for terminal bolts, comprising: a chassis, a human-machine interface 8 and a three-color tower light 9 installed on the chassis, an electrical cabinet inside the chassis, the electrical cabinet being electrically connected to the human-machine interface 8 and the three-color tower light 9 to realize online control of the equipment, an automatic tightening component 1, a clamping component 2, a bolt transfer component 3 and a lifting and unloading device 4 being installed inside the chassis, and an automatic feeding system 7 being installed outside the chassis;
[0027] The automatic tightening assembly 1 and the lifting and unloading device 4 are connected by a production line 6. The production line 6 transports a traveling plate 5, on which the product is placed. The production line 6 then moves the traveling plate 5 containing the product between the automatic tightening assembly 1 and the lifting and unloading device 4.
[0028] The clamping component 2 is positioned above the lifting and unloading device 4. The lifting and unloading device 4 positions the accompanying plate 5 that has arrived at this location. Then, the clamping component 2 clamps and fixes the product, and the automatic tightening component 1 automatically tightens the product.
[0029] The bolt transfer assembly 3 is located between the automatic feeding system 7 and the lifting and unloading device 4. The bolt transfer assembly 3 removes the bolts supplied by the automatic feeding system 7.
[0030] The automatic tightening assembly 1 includes a bracket, on which a transfer electric cylinder 10 is mounted, and on which a lifting electric cylinder 11 is mounted, and a tightening gun 13 is mounted on the lifting electric cylinder 11. The telescopic end of the lifting electric cylinder 11 is connected to a lifting seat, which is slidably mounted up and down via a linear guide rail 16. A rotary cylinder 12 is mounted on the lifting seat, and the rotary cylinder 12 drives the tightening gun 13. The lower end of the tightening gun 13 is connected to a sleeve 15 via a flexible coupling 14.
[0031] Two tightening guns 13 are provided, and the two tightening guns 13 are synchronously connected by a timing pulley 17. The tightening guns 13 and the lifting seat are rotatably connected by a cross ball bearing 18.
[0032] The transfer cylinder 10 drives the lifting cylinder 11 to move back and forth between the bolt transfer assembly 3 and the product, removing the bolts from the bolt transfer assembly 3 and moving it above the product. The lifting cylinder 11 then descends, and the sleeve 15 with the bolt is inserted into the bolt hole of the product. The flexible coupling 14 can avoid product scratches and equipment damage caused by rigid contact. The two tightening guns 13 tighten simultaneously. After tightening, the assembly is reset. The rotary cylinder 12 can drive the tightening guns 13 to rotate at different angles to meet the product tightening requirements at different angles.
[0033] The clamping assembly 2 includes two ejector cylinders 21, and the telescopic ends of the ejector cylinders 21 are fixedly connected to the pressing part 22.
[0034] The bolt transfer assembly 3 includes a lifting cylinder 32, a transfer cylinder 31, and a displacement cylinder 33. A pipe joint 34 is installed on the telescopic end of the lifting cylinder 32, and the pipe joint 34 is connected to the automatic bolt feeding system 7. The transfer cylinder 31 is located directly below the lifting cylinder 32. A horizontal driving positioning plate 35 is mounted on the transfer cylinder 31. A bolt through-beam detection sensor 36 and a sleeve through-beam detection sensor 37 are respectively installed on the front and rear sides of the transfer cylinder 31. The displacement cylinder 33 is located below the transfer cylinder 31.
[0035] The lifting cylinder 32 descends, the bolt feeding system places the bolt on the positioning plate 35 through the pipe joint 34, the bolt through-beam detection sensor 36 detects the bolt status, the transfer cylinder 31 moves, the sleeve 15 descends, the sleeve through-beam detection sensor 37 detects the position of the sleeve 15 and then removes the bolt, the position of the entire mechanism can be raised and lowered by the displacement cylinder 33 to accommodate different product heights.
[0036] The lifting and unloading device 4 includes a lifting cylinder 43, which is fixedly installed on the base plate. A lifting plate is fixedly installed on the telescopic end of the lifting cylinder 43. A blocking cylinder 42 and a positioning pin 41 are fixedly installed on the lifting plate. A push-pull cylinder 48 is also provided on the base plate. The telescopic end of the push-pull cylinder 48 is fixedly connected to the unloading block 49.
[0037] The accompanying plate 5 moves to this station via the assembly line 6. The blocking cylinder 42 blocks the accompanying plate 5, the lifting cylinder 43 lifts it up, the push-pull cylinder 48 extends, and the unloading block 49 extends and aligns with the top, unloading the downward pressure applied to the accompanying plate 5 onto the table panel.
[0038] Working principle: The accompanying plate 5 carries the product to this station via the assembly line 6. The lifting and unloading device 4 lifts the accompanying plate 5 to position it and detach it from the assembly line 6. The clamping component 2 descends to clamp the product. The automatic feeding system 7 feeds the bolt to the bolt transfer component 3. After the bolt is removed from the bolt transfer component 3, the automatic tightening component 1 moves to the corresponding bolt position and tightens the bolt to the set torque. After tightening is completed, the clamping component 2 rises, the lifting and unloading device 4 descends, and the accompanying plate 5 flows out of this station, ending the process.
[0039] The contents not described in detail in this specification are existing technologies known to those skilled in the art.
[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An online automatic feeding and tightening device for terminal block bolts, comprising: The chassis is characterized in that: an automatic tightening assembly (1), a clamping assembly (2), a bolt transfer assembly (3) and a lifting and unloading device (4) are provided inside the chassis, and an automatic feeding system (7) is provided outside the chassis. The automatic tightening assembly (1) and the lifting and unloading device (4) cross the assembly line (6), the accompanying plate (5) is transported on the assembly line (6), and the product is placed on the accompanying plate (5); The clamping component (2) is set above the lifting and unloading device (4). The clamping component (2) works with the lifting and unloading device (4) to clamp and fix the traveling plate (5) that has arrived here. The automatic tightening component (1) then automatically tightens the product. The bolt transfer assembly (3) is located between the automatic feeding system (7) and the lifting and unloading device (4), and the bolt transfer assembly (3) removes the bolts supplied by the automatic feeding system (7).
2. An on-line terminal post bolt automatic feeding and tightening apparatus according to claim 1, wherein The chassis is equipped with a human-machine interface (8) and a three-color tower light (9). An electrical cabinet is provided inside the chassis, and the electrical cabinet is electrically connected to the human-machine interface (8) and the three-color tower light (9).
3. The on-line terminal post bolt automatic feeding and tightening apparatus according to claim 1, wherein The automatic tightening assembly (1) includes a bracket, on which a transfer cylinder (10) is mounted, and on which a lifting cylinder (11) is mounted, and on which a tightening gun (13) is mounted, and the telescopic end of the lifting cylinder (11) is connected to a lifting seat, which is slidably mounted up and down via a linear guide rail (16), and on which a rotary cylinder (12) is mounted, and which drives the tightening gun (13), and the lower end of the tightening gun (13) is connected to a sleeve (15) via an elastic coupling (14).
4. An on-line terminal post bolt automatic feeding and tightening apparatus according to claim 3, wherein Two tightening guns (13) are provided. The two tightening guns (13) are synchronously connected by a synchronous pulley (17), and the tightening guns (13) and the lifting seat are rotatably connected by a cross ball bearing (18).
5. An on-line terminal post bolt automatic feeding and tightening apparatus according to claim 1, wherein The pressing assembly (2) includes two ejector cylinders (21), the telescopic ends of which are fixedly connected to the pressing part (22).
6. An on-line terminal post bolt automatic feeding and tightening apparatus according to claim 1, wherein The bolt transfer assembly (3) includes a lifting cylinder (32), a transfer cylinder (31), and a displacement cylinder (33). A pipe joint (34) is installed on the telescopic end of the lifting cylinder (32). The pipe joint (34) is connected to the bolt automatic feeding system (7). The transfer cylinder (31) is located directly below the lifting cylinder (32). A horizontal driving positioning plate (35) is installed on the transfer cylinder (31). A bolt through-beam detection sensor (36) and a sleeve through-beam detection sensor (37) are respectively installed on the front and rear sides of the transfer cylinder (31). The displacement cylinder (33) is located below the transfer cylinder (31).
7. An on-line terminal post bolt automatic feeding and tightening apparatus according to claim 1, wherein The lifting and unloading device (4) includes a lifting cylinder (43), which is fixedly installed on the base plate. The extension end of the lifting cylinder (43) is fixedly installed with a lifting plate. The lifting plate is fixedly installed with a blocking cylinder (42) and a positioning pin (41). The base plate is also provided with a push-pull cylinder (48), and the extension end of the push-pull cylinder (48) is fixedly connected to the unloading block (49).