Online two-shaft alternate automatic tightening equipment for end cover bolt

Abstract

The utility model discloses on-line type end cover bolt two-shaft alternating automatic tightening equipment which comprises a machine box, a double-shaft tightening assembly is arranged in the machine box, a jacking and unloading assembly and an end cover pressing assembly are installed in the middle of the machine box, an assembly line transversely penetrates through the position between the double-shaft tightening assembly and the jacking and unloading assembly, and an accompanying plate is placed on the assembly line. A product is placed on the accompanying plate, the accompanying plate is pressed and fixed by the end cover pressing assembly, the two sets of double-shaft tightening assemblies are symmetrically arranged and comprise three-shaft moving assemblies, the three-shaft moving assemblies are in driving connection with tightening guns, elastic couplings are installed at the lower ends of the tightening guns, and sleeves are detachably installed at the lower ends of the elastic couplings. The bolt tightening device is high in automation degree in the whole process, manual operation is reduced, labor intensity is lowered, and bolt tightening efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of compressor assembly equipment technology, specifically to an online automatic tightening device for end cap bolts with alternating two shafts. Background Technology

[0002] During compressor production, the end cover bolts need to be tightened to a fixed torque. Because manufacturers have requirements for producing multiple machine types on automated production lines, and the number of bolts, tightening positions, and tightening torques vary between different machine types, traditional fixed bolt tightening methods are costly and limited in their adaptability to multiple machine types.

[0003] Therefore, we propose an online automatic two-axis alternating tightening device for end cap bolts to solve the problems mentioned above. Utility Model Content

[0004] The purpose of this invention is to provide an online automatic tightening device for end cap bolts with alternating two axes, in order 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 two-axis alternating tightening device for end cap bolts, comprising: a chassis, wherein a dual-axis tightening assembly is provided in the upper part of the chassis, a lifting and unloading assembly and an end cap pressing assembly are installed in the middle of the chassis, a production line runs horizontally between the dual-axis tightening assembly and the lifting and unloading assembly, a traveling plate is placed on the production line, a product is placed on the traveling plate, and the end cap pressing assembly presses the traveling plate.

[0006] The dual-axis tightening assembly is provided in two symmetrical sets. The dual-axis tightening assembly includes a three-axis moving assembly. The three-axis moving assembly drives and connects to the tightening gun. The lower end of the tightening gun is equipped with an elastic coupling. The lower end of the elastic coupling can be detachably installed with a sleeve.

[0007] Preferably, a human-machine interface and a three-color tower light are provided on the upper part of the chassis, and an electrical box is provided on the rear side of the chassis. The human-machine interface is electrically connected to the electrical box, and the electrical box controls and connects to each gas circuit and electrical circuit.

[0008] Preferably, the lifting and unloading assembly includes a fixed plate and a lifting plate, a lifting cylinder is provided between the fixed plate and the lifting plate, and a positioning pin is fixedly provided at the upper end of the lifting plate.

[0009] Preferably, a blocking cylinder is fixedly installed on one side of the lifting plate, a push-pull cylinder is installed on the fixed plate, and the telescopic end of the push-pull cylinder is fixedly connected to the unloading block.

[0010] Preferably, the end cap clamping assembly includes a clamping cylinder and a clamping fixture. The clamping cylinder is symmetrically designed and drives the clamping fixture to rise and fall.

[0011] Preferably, each set of the three-axis moving assembly consists of an X-axis transfer electric cylinder, a Z-axis extension electric cylinder, and a Y-axis transfer electric cylinder. The Y-axis transfer electric cylinder is fixed on the support frame, the X-axis transfer electric cylinder is installed on the Y-axis transfer electric cylinder, the Z-axis extension electric cylinder is installed on the X-axis transfer electric cylinder, and a tightening gun is installed on the Z-axis extension electric cylinder.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] The accompanying plate carries the product to this station via the assembly line. The lifting and unloading component lifts the accompanying plate, positions it, and detaches it from the assembly line. The end cap clamping component descends and clamps the end cap. The dual-axis tightening component alternately tightens the bolts at preset positions to the predetermined torque. After tightening is completed, the end cap clamping component rises, the lifting and unloading component descends, and the accompanying plate flows out of this station, ending the process. The entire process is highly automated, reducing manual operation, lowering labor intensity, and improving the efficiency of bolt tightening. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is the left view of the present invention;

[0016] Figure 3 This is a schematic diagram of the lifting and unloading assembly in this utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the end cap clamping assembly of this utility model;

[0018] Figure 5 This is a schematic diagram of the structure of the dual-axis tightening assembly in this utility model.

[0019] In the diagram: 1. Dual-axis tightening assembly; 10. X-axis transfer electric cylinder; 11. Z-axis extension electric cylinder; 12. Tightening gun; 13. Flexible coupling; 14. Sleeve; 19. Y-axis transfer electric cylinder; 2. End cover clamping assembly; 21. Clamping cylinder; 22. Clamping fixture; 3. Lifting and unloading assembly; 31. Blocking cylinder; 32. Positioning pin; 33. Lifting cylinder; 34. Unloading block; 35. Push-pull cylinder; 4. Production line; 5. Traveling plate; 6. Human-machine interface; 7. Three-color tower light; 8. Electrical box. Detailed Implementation

[0020] 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.

[0021] Please see Figure 1-5 This utility model provides a technical solution: an online end cap bolt two-axis alternating automatic tightening device, including: a chassis, a human-machine interface 6 and a three-color tower light 7 are set on the upper end of the chassis, the three-color tower light 7 is used to emit signal light, the human-machine interface 6 is used to output the operation instructions of the entire device and read relevant data, and an electrical box 8 is set on the rear side of the chassis, the human-machine interface 6 is electrically connected to the electrical box 8, and the electrical box 8 controls the connection of each air circuit and circuit.

[0022] A dual-axis tightening assembly 1 is installed in the upper part of the chassis, and a lifting and unloading assembly 3 and an end cover clamping assembly 2 are installed in the middle of the chassis. The assembly line 4 runs horizontally between the dual-axis tightening assembly 1 and the lifting and unloading assembly 3. A traveling plate 5 is placed on the assembly line 4, and the product is placed on the traveling plate 5. The end cover clamping assembly 2 is used to clamp the traveling plate 5.

[0023] The lifting and unloading assembly 3 includes a fixed plate and a lifting plate. A lifting cylinder 33 is provided between the fixed plate and the lifting plate. The lifting cylinder 33 drives the lifting plate to rise and applies a lifting force to the accompanying plate 5. A positioning pin 32 is fixedly provided at the upper end of the lifting plate to perform preliminary positioning of the accompanying plate 5 when it arrives at this location.

[0024] A blocking cylinder 31 is fixedly installed on one side of the lifting plate, and a push-pull cylinder 35 is installed on the fixed plate. The telescopic end of the push-pull cylinder 35 is fixedly connected to the unloading block 34. The accompanying plate 5 moves to the work station through the assembly line 4. The blocking cylinder 31 blocks the accompanying plate 5, the lifting cylinder 33 lifts it up, the push-pull cylinder 35 extends, and the unloading block 34 extends and aligns with the top, unloading the downward pressure applied to the accompanying plate 5 to the fixed plate.

[0025] The end cap clamping assembly 2 includes a clamping cylinder 21 and a clamping fixture 22. The clamping cylinder 21 is symmetrically designed. The clamping cylinder 21 drives the lifting clamping fixture 22. The clamping cylinders 21 on both sides descend simultaneously, and the clamping fixture 22 clamps the surface of the product end cap. After tightening, it rises. The clamping fixture 22 can be replaced according to different product types.

[0026] Two sets of dual-axis tightening assemblies 1 are symmetrically provided. Each set includes an X-axis transfer electric cylinder 10, a Z-axis extension electric cylinder 11, a tightening gun 12, a flexible coupling 13, a sleeve 14, and a Y-axis transfer electric cylinder 19. The Y-axis transfer electric cylinder 19 is fixed on the support frame. The X-axis transfer electric cylinder 10 is installed on the Y-axis transfer electric cylinder 19. The Z-axis extension electric cylinder 11 is installed on the X-axis transfer electric cylinder 10. The tightening gun 12 is installed on the Z-axis extension electric cylinder 11. The flexible coupling 13 is installed at the lower end of the tightening gun 12. The sleeve 14 is installed at the lower end of the flexible coupling 13.

[0027] The Y-axis transfer cylinders 19 and X-axis transfer cylinders 10 on both sides move to the set positions respectively. The Z-axis extension cylinder 11 moves downward until the sleeve 14 contacts the bolt. The flexible coupling 13 can avoid product scratches and equipment damage caused by rigid contact with the product. After the tightening gun 12 automatically tightens, the Z-axis extension cylinder 11 resets. The sleeve 14 can be replaced according to the bolt specifications.

[0028] Working principle: The accompanying plate 5 carries the product to this station through the assembly line 4. The lifting and unloading component 3 lifts the accompanying plate 5 to position it and detach it from the assembly line 4. The end cover clamping component 2 descends to clamp the end cover. The dual-axis tightening component 1 alternately tightens the bolts at the preset positions to the predetermined torque. After tightening is completed, the end cover clamping component 2 rises, the lifting and unloading component 3 descends, and the accompanying plate 5 flows out of this station, ending the process.

[0029] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0030] 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 two-axis alternating tightening device for end cap bolts, comprising: The chassis is characterized in that: a dual-axis tightening assembly (1) is provided in the upper part of the chassis, a lifting unloading assembly (3) and an end cover pressing assembly (2) are installed in the middle of the chassis, a production line (4) is crossed between the dual-axis tightening assembly (1) and the lifting unloading assembly (3), a traveling plate (5) is placed on the production line (4), a product is placed on the traveling plate (5), and the end cover pressing assembly (2) presses the traveling plate (5) firmly. The dual-axis tightening assembly (1) is provided in two symmetrical sets. The dual-axis tightening assembly (1) includes a three-axis moving assembly. The three-axis moving assembly drives and connects to the tightening gun (12). The lower end of the tightening gun (12) is equipped with an elastic coupling (13). The lower end of the elastic coupling (13) is detachably equipped with a sleeve (14).

2. The online automatic two-axis alternating tightening device for end cap bolts according to claim 1, characterized in that, The upper part of the chassis is provided with a human-machine interface (6) and a three-color tower light (7), and an electrical box (8) is provided on the rear side of the chassis. The human-machine interface (6) is electrically connected to the electrical box (8), and the electrical box (8) controls and connects to each gas path and circuit.

3. The online automatic two-axis alternating tightening device for end cap bolts according to claim 1, characterized in that, The lifting and unloading assembly (3) includes a fixed plate and a lifting plate. A lifting cylinder (33) is provided between the fixed plate and the lifting plate, and a positioning pin (32) is fixedly provided at the upper end of the lifting plate.

4. The online automatic two-axis alternating tightening device for end cap bolts according to claim 3, characterized in that, A blocking cylinder (31) is fixedly installed on one side of the lifting plate, and a push-pull cylinder (35) is installed on the fixed plate. The telescopic end of the push-pull cylinder (35) is fixedly connected to the unloading block (34).

5. The online automatic two-axis alternating tightening device for end cap bolts according to claim 1, characterized in that, The end cap clamping assembly (2) includes a clamping cylinder (21) and a clamping fixture (22). The clamping cylinder (21) is symmetrically designed and drives the clamping fixture (22) to lift.

6. The online automatic two-axis alternating tightening device for end cap bolts according to claim 1, characterized in that, Each set of the three-axis moving assembly consists of an X-axis transfer electric cylinder (10), a Z-axis extension electric cylinder (11), and a Y-axis transfer electric cylinder (19). The Y-axis transfer electric cylinder (19) is fixed on the support frame. The X-axis transfer electric cylinder (10) is installed on the Y-axis transfer electric cylinder (19). The Z-axis extension electric cylinder (11) is installed on the X-axis transfer electric cylinder (10). The tightening gun (12) is installed on the Z-axis extension electric cylinder (11).

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