Turbocharger core component positioning pin assembly mechanism and assembly equipment

Abstract

The utility model provides a turbocharger core part positioning pin assembly mechanism and assembly equipment, the assembly mechanism comprises a core part transportation structure, a fixing structure and a positioning pin tightening structure, and the assembly efficiency can be improved. The core component conveying structure comprises a starting station and a terminal station and can automatically convey to-be-machined core components and complete fixing and positioning pin installation at the terminal station, and the positioning pin tightening structure comprises a torque wrench and a wrench driving part and can accurately control the torque of the positioning pin and reduce damage to the positioning pin; the assembly equipment comprises an operation table and a feeding code scanning structure and is used for increasing the height of the assembly mechanism to facilitate feeding of workers, incoming materials and placement positions are confirmed by scanning core components, manual confirmation work is reduced, and the assembly efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of turbocharging, and in particular to a positioning pin assembly mechanism and assembly equipment for a core component of a turbocharger. Background Art

[0002] The floating bearings of turbochargers mostly adopt two structures: double floating bearings and semi-floating bearings. Among them, semi-floating bearings have high mechanical efficiency and good NVH (noise, vibration and harshness) quality, and are widely used in existing passenger car engines.

[0003] In the assembly of the core components of the semi-floating bearing, the assembly process of the locating pin is particularly important; the locating pin adopts a threaded connection method. Currently, the locking fit between the locating pin and the intermediate body can be achieved by manually tightening the wrench, but this locking assembly method has low production efficiency and difficulty in controlling torque. In addition, in the process of tightening the end of the wrench and the locating groove / hole of the locating pin, the locating groove / hole of the locating pin is easily damaged, causing the structure of the locating pin to be destroyed and unable to be tightened or loosened. Utility Model Content

[0004] The problem to be solved by the utility model is to provide a turbocharger core component locating pin assembly mechanism and assembly equipment, which have high assembly efficiency, easy torque control and can reduce the probability of damage to the locating groove / hole.

[0005] The technical solution adopted by the utility model to solve the above problems is: a positioning pin assembly mechanism for a core component of a turbocharger, comprising:

[0006] A core component transport structure, wherein the core component transport structure comprises a starting station and a terminal station; the core component is placed at the starting station and transported to the terminal station;

[0007] a fixing structure, wherein the fixing structure is arranged at the terminal station; when the core component is transported to the terminal station, the fixing structure fixes the core component; and

[0008] A positioning pin tightening structure, wherein the positioning pin tightening structure is arranged at the terminal station; the positioning pin tightening structure includes a torque wrench and a wrench driving part for controlling the rotation of the torque wrench; after the core component is transported to the terminal station, the torque wrench is inserted into the core component and, driven by the wrench driving part, the positioning pin is assembled in two stages of loosening and tightening.

[0009] Compared with the prior art, the utility model includes a core component transport structure, a fixing structure and a positioning pin tightening structure; wherein the core component transport structure includes a starting station and an end station, so that the core component to be processed can be loaded at the starting station and automatically transported to the end station, and the end station is provided with a fixing structure and a positioning pin tightening structure, the fixing structure is used to fix the core component arriving at the end station, and the positioning pin tightening structure is used to tighten the positioning pin, thereby completing the installation of the positioning pin, which has the advantage of high assembly efficiency compared to manual tightening wrench assembly; in addition, the positioning pin tightening structure includes a torque wrench and a wrench driving part, wherein the wrench driving part is used to control the rotation speed and rotation direction of the torque wrench during rotation, controlling the rotation speed can make the positioning pin reach a more accurate torque, and controlling the rotation direction can make the positioning pin first reverse loosen through the first stroke, so that the end of the torque wrench is fully engaged with the positioning groove / hole to achieve the effect of facilitating force, and after full engagement, it is tightened forward through the second stroke, thereby reducing damage to the positioning pin during the tightening process.

[0010] According to one embodiment of the utility model, the core component transport structure includes a guide rail, a core component placement seat slidably connected to the guide rail, and a first power unit arranged on one side of the guide rail; the core component placement seat is driven by the first power unit and moves between the starting station and the end station.

[0011] According to an embodiment of the utility model, the core component placement seat includes a first sliding part that cooperates with the guide rail; the first power part includes a first cylinder and a first connecting block arranged at the movable end of the first cylinder; the first connecting block is arranged to be connected to the first sliding part.

[0012] According to an embodiment of the utility model, the fixed structure includes a support frame, a second power unit arranged on the support frame, and a core component upper pressure seat arranged at the movable end of the second power unit; the core component upper pressure seat is configured to cooperate with the core component placement seat.

[0013] According to one embodiment of the utility model, the positioning pin tightening structure further includes a slide rail, a second sliding part slidably arranged on the slide rail, and a pushing part for driving the second sliding part; the wrench driving part is arranged on the second sliding part to control the position of the torque wrench in the core component.

[0014] According to one embodiment of the utility model, the pushing part includes a pushing rod and a second connecting block arranged at the end of the pushing rod; the pushing part is arranged on one side of the second sliding part, and the second connecting block is arranged to be connected to the second sliding part, so that the pushing rod drives the second sliding part to move on the guide rail via the second connecting block.

[0015] According to an embodiment of the present utility model, the movement direction of the push rod is opposite to the movement direction of the torque wrench.

[0016] An assembly device comprising:

[0017] An operating table, wherein the operating table comprises a table top;

[0018] A material loading and scanning code structure, wherein the material loading and scanning code structure is arranged on the table top; and the aforementioned turbocharger core component locating pin assembly mechanism; wherein the turbocharger core component locating pin assembly mechanism is arranged on the table top.

[0019] Compared with the prior art, the utility model is also provided with an operating table for carrying the locating pin assembly mechanism of the turbocharger core component, so that the assembly mechanism is at a suitable height, thereby facilitating the workers' loading of materials and improving the assembly efficiency; in addition, a loading and scanning structure is provided on the table for scanning the core components placed at the starting station to determine whether the incoming materials and the placement position of the core components are correct, thereby reducing manual confirmation work and improving assembly efficiency.

[0020] According to one embodiment of the utility model, the loading and scanning code structure is arranged on one side of the starting station; the loading and scanning code structure includes a support rod, and a scanning part connected to the support rod with an adjustable angle; the scanning part is arranged so that the scanning direction points to the starting station. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional schematic diagram of the locating pin assembly mechanism of the core component of the turbocharger;

[0022] Figure 2 It is a top view schematic diagram of the locating pin assembly mechanism of the core component of the turbocharger;

[0023] Figure 3 A three-dimensional schematic diagram of the locating pin assembly mechanism of the core component of the turbocharger after the fixing structure is hidden;

[0024] Figure 4 is a three-dimensional schematic diagram of an assembly device;

[0025] Figure 5 Schematic diagram of the model of the core components. DETAILED DESCRIPTION

[0026] Before describing in detail any embodiment of the utility model, it should be understood that the utility model is not limited in its application to the construction and arrangement details of the components described below or illustrated in the following figures. The utility model can have other embodiments and can be practiced or carried out in various ways. In addition, it should be understood that the words and terms used here are for descriptive purposes and should not be considered restrictive. The use of "including" or "having" and its variations herein is intended to cover the items and their equivalents and additional items displayed below. Unless otherwise specified or limited, the terms "install", "connect", "support" and "couple" and their variations are widely used and cover direct installation and indirect installation, connection, support and connection. In addition, "connect" and "couple" are not limited to physical or mechanical connections or connections.

[0027] Furthermore, on the first aspect, in the disclosure of the present invention, the terms "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore the above terms cannot be understood as limitations on the present invention; on the second aspect, the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" cannot be understood as a limitation on the quantity.

[0028] It should be understood by those skilled in the art that the embodiments of the present invention described above and shown in the accompanying drawings are only examples and do not limit the present invention. The purpose of the present invention has been fully and effectively achieved. The functions and structural principles of the present invention have been demonstrated and explained in the embodiments, and the embodiments of the present invention may be deformed or modified in any way without departing from the principles.

[0029] The embodiments of the present utility model are further described below in conjunction with the accompanying drawings.

[0030] See also Figure 1-4A turbocharger core component locating pin assembly mechanism shown includes a core component transport structure 1, a fixing structure 2 and a locating pin tightening structure 3; wherein the core component transport structure 1 includes a starting station 11 and a terminal station 12; the core component is placed at the starting station 11 and transported to the terminal station 12; wherein the fixing structure 2 is arranged at the terminal station 12; when the core component is transported to the terminal station 12, the fixing structure 2 fixes the core component; wherein the locating pin tightening structure 3 is arranged at the terminal station 12; the locating pin tightening structure 3 includes a torque wrench 31, and a wrench driving part 32 for controlling the rotation of the torque wrench 31; after the core component is transported to the terminal station 12, the torque wrench 31 is inserted into the core component and, driven by the wrench driving part 32, the locating pin is assembled in two stages of loosening and then tightening.

[0031] In the actual assembly process of the locating pin, the core component has undergone the locating pin pre-tightening process before entering the utility model to prevent the locating pin from falling off during transportation, and it can also facilitate the automatic assembly of the torque wrench 31; the wrench drive part 32 can control its forward or reverse rotation through the PLC program; the utility model includes a core component transportation structure 1, a fixing structure 2 and a locating pin tightening structure 3; wherein the core component transportation structure 1 includes a starting station 11 and an end station 12, so that the core component to be processed can be loaded at the starting station 11 and automatically transported to the end station 12, and the end station 12 is provided with a fixing structure 2 and a locating pin tightening structure 3, and the fixing structure 2 is used to fix the core component at the end station 12. The core component of position 12, the locating pin tightening structure 3 is used to tighten the locating pin, thereby completing the installation of the locating pin, and has the advantage of high assembly efficiency compared to manual tightening of the wrench assembly; in addition, the locating pin tightening structure 3 includes a torque wrench 31 and a wrench driving unit 32, wherein the wrench driving unit 32 is used to control the rotation speed and rotation direction of the torque wrench 31 during rotation. Controlling the rotation speed can enable the locating pin to achieve a more accurate torque, and controlling the rotation direction can enable the locating pin to be reversed and loosened through the first stroke first, so that the end of the torque wrench 31 is fully engaged with the locating groove / hole to achieve the effect of facilitating force, and after full engagement, it is tightened forward through the second stroke, thereby reducing damage to the locating pin during the tightening process.

[0032] It is worth mentioning that Figure 5 As shown, the core components include an intermediate body, a turbine component, an impeller, a locating pin, an air sealing plate assembly, etc., wherein the locating pin tightening mechanism 3 assembles the locating pin inside the core component along the B direction.

[0033] Please continue reading Figure 1, wherein the core component transport structure 1 includes a guide rail 13, a core component placement seat 14 slidably connected to the guide rail 13, and a first power unit 15 arranged on one side of the guide rail 13; the core component placement seat 14 is driven by the first power unit 15 and moves between the starting station 11 and the end station 12.

[0034] Please continue reading Figure 1 , wherein the core component placement seat 14 includes a first sliding portion 141 that cooperates with the guide rail 13; the first power unit 15 includes a first cylinder 151 and a first connecting block 152 arranged at the movable end of the first cylinder 151; the first connecting block 152 is arranged to be connected to the first sliding portion 141.

[0035] Please continue reading Figure 2 , Figure 3 , wherein the fixed structure 2 includes a support frame 21, a second power unit 22 arranged on the support frame 21, and a core component upper pressure seat 23 arranged at the movable end of the second power unit 22; the core component upper pressure seat 23 is configured to cooperate with the core component placement seat 14.

[0036] Please continue reading Figure 1 , Figure 2 , wherein the positioning pin tightening structure 3 further includes a slide rail 33, a second sliding portion 34 slidably arranged on the slide rail 33, and a pushing portion 35 for driving the second sliding portion 34; the wrench driving portion 32 is arranged on the second sliding portion 34 to control the position of the torque wrench 31 in the core component.

[0037] Please continue reading Figure 2 , wherein the pushing portion 35 includes a pushing rod 351 and a second connecting block 352 arranged at the end of the pushing rod 351; the pushing portion 35 is arranged on one side of the second sliding portion 34, and the second connecting block 352 is arranged to be connected to the second sliding portion 34, so that the pushing rod 351 drives the second sliding portion 34 to move on the slide rail 33 via the second connecting block 352.

[0038] Please continue reading Figure 2 , Figure 3 , wherein the movement direction of the push rod 351 is opposite to the movement direction of the torque wrench 31.

[0039] When in use, the slide rail 33 and the pushing part 35 of the positioning pin tightening mechanism 3 are arranged on two parallel lines; the pushing part 35 includes a third cylinder, and the pushing rod 351 moves under the action of the third cylinder, and the forward and backward movement direction of the pushing rod 351 is opposite to the forward and backward movement direction of the second sliding part 34 on the slide rail 33. This reverse transmission position design is conducive to saving space, making the positioning pin tightening mechanism 3 more compact and the transmission distance shorter; fixing components are provided at both ends of the third cylinder to fix the third cylinder.

[0040] An assembly device includes an operating table 4, a material loading and scanning code structure 5, and the aforementioned turbocharger core component locating pin assembly mechanism; wherein the operating table 4 includes a table top 41; wherein the material loading and scanning code structure 5 is arranged on the table top 41; wherein the turbocharger core component locating pin assembly mechanism is arranged on the table top 41.

[0041] In actual use, the utility model is also provided with an operating table 4 for carrying a positioning pin assembly mechanism of a turbocharger core component so that the assembly mechanism is at a suitable height, thereby facilitating workers' loading of materials and improving assembly efficiency; in addition, a loading and scanning structure 5 is provided on the table top 41 for scanning the core component placed at the starting station 11 to determine whether the incoming material and placement position of the core component are correct, thereby reducing manual confirmation work and improving assembly efficiency.

[0042] In addition, the space formed below the operating table 4 can accommodate air valves, PLC modules, pipelines, etc. for controlling various cylinders, motors, and electric cylinders. Their wires can also pass through the table 41 and then be connected to the corresponding positions, making the table 41 more tidy.

[0043] Please continue reading Figure 4 , wherein the loading and scanning code structure 5 is arranged on one side of the starting station 11; the loading and scanning code structure 5 includes a support rod 51, and a scanning part 52 connected to the support rod 51 with an adjustable angle; the scanning part 52 is set to point the scanning direction to the starting station 11.

[0044] Specifically, a mark for identification, such as a QR code, is provided on the core component, and the loading scanning structure 5 is arranged on one side of the starting station 11 to ensure that the core component is correctly fed and placed in the correct position during loading, wherein the correct placement position means that when the core component moves to the end station 12, the locating pin hole is opposite to the torque wrench 31, so that the torque wrench 31 can directly extend into the locating pin hole to assemble the locating pin; the setting of the support rod 51 and the scanning part 52 is conducive to the angle adjustment of the scanning part 52, so that the lens of the scanning part 52 can illuminate the mark on the core component.

[0045] The above description is only for the best embodiment of the utility model, but it cannot be understood as a limitation of the claims. The utility model is not limited to the above embodiments, and its specific structure is allowed to be changed. All changes made within the protection scope of the independent claims of the utility model are within the protection scope of the utility model.

Claims

1. A positioning pin assembly mechanism for a core component of a turbocharger, characterized in that: include: A core component transport structure (1), wherein the core component transport structure (1) comprises a starting station (11) and an end station (12); the core component is placed at the starting station (11) and transported to the end station (12); a fixing structure (2), wherein the fixing structure (2) is arranged at the terminal station (12); when the core component is transported to the terminal station (12), the fixing structure (2) fixes the core component; and A positioning pin tightening structure (3), wherein the positioning pin tightening structure (3) is arranged at the terminal station (12); the positioning pin tightening structure (3) comprises a torque wrench (31) and a wrench driving unit (32) for controlling the rotation of the torque wrench (31); after the core component is transported to the terminal station (12), the torque wrench (31) extends into the core component and, driven by the wrench driving unit (32), assembles the positioning pin in two stages of loosening first and tightening later.

2. The positioning pin assembly mechanism for a core component of a turbocharger according to claim 1, characterized in that: The core component transport structure (1) comprises a guide rail (13), a core component placement seat (14) slidably connected to the guide rail (13), and a first power unit (15) arranged on one side of the guide rail (13); the core component placement seat (14) is driven by the first power unit (15) and moves between the starting station (11) and the end station (12).

3. The positioning pin assembly mechanism for the core component of a turbocharger according to claim 2, characterized in that: The core component placement seat (14) includes a first sliding part (141) matched with the guide rail (13); the first power part (15) includes a first cylinder (151) and a first connecting block (152) arranged at the movable end of the first cylinder (151); the first connecting block (152) is arranged to be connected to the first sliding part (141).

4. The positioning pin assembly mechanism for a core component of a turbocharger according to claim 2, characterized in that: The fixed structure (2) comprises a support frame (21), a second power unit (22) arranged on the support frame (21), and a core component upper pressure seat (23) arranged at the movable end of the second power unit (22); the core component upper pressure seat (23) is arranged to cooperate with the core component placement seat (14).

5. The positioning pin assembly mechanism for a core component of a turbocharger according to claim 1, characterized in that: The positioning pin tightening structure (3) further comprises a slide rail (33), a second sliding portion (34) slidably arranged on the slide rail (33), and a pushing portion (35) for driving the second sliding portion (34); the wrench driving portion (32) is arranged on the second sliding portion (34) so ​​as to control the position of the torque wrench (31) in the core component.

6. The positioning pin assembly mechanism for the core component of a turbocharger according to claim 5, characterized in that: The pushing portion (35) includes a pushing rod (351) and a second connecting block (352) arranged at the end of the pushing rod (351); the pushing portion (35) is arranged on one side of the second sliding portion (34), and the second connecting block (352) is arranged to be connected to the second sliding portion (34), so that the pushing rod (351) drives the second sliding portion (34) to move on the sliding rail (33) via the second connecting block (352).

7. The positioning pin assembly mechanism for a core component of a turbocharger according to claim 6, characterized in that: The moving direction of the push rod (351) is opposite to the moving direction of the torque wrench (31).

8. An assembly device, characterized in that: include: An operating table (4), wherein the operating table (4) comprises a table top (41); a material loading and scanning code structure (5), wherein the material loading and scanning code structure (5) is arranged on the table (41); and A turbocharger core component locating pin assembly mechanism according to any one of claims 1 to 7; wherein the turbocharger core component locating pin assembly mechanism is arranged on the table (41).

9. The assembly device according to claim 8, characterized in that: The material loading and scanning code structure (5) is arranged on one side of the starting station (11); the material loading and scanning code structure (5) comprises a support rod (51) and a scanning part (52) connected to the support rod (51) at an adjustable angle; the scanning part (52) is arranged so that the scanning direction points to the starting station (11).

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