Manual feeding workstation and turbocharger assembly line

Abstract

The manual feeding workstation comprises a square cabinet body, and the cabinet body comprises a working layer located on the upper side and a backflow layer located on the lower side; the working layer is provided with a conveying track, and the conveying track is used for conveying trays; a working window is formed in the front side of the working layer, and conveying windows matched with the two ends of the conveying track are arranged on the left side and the right side of the working layer correspondingly. The backflow layer is provided with a backflow track, the backflow track is used for recycling empty trays, and backflow windows matched with the two ends of the backflow track are formed in the left side and the right side of the backflow layer respectively; by arranging the square cabinet body and connecting the workstations through the conveying windows and the backflow windows, modularization of the workstations is achieved, the workstations can be combined according to the required sequence, the corresponding workstations can be replaced at will, and construction, adjustment and expansion of the assembly line are facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of turbocharger assembly, and in particular to a manual loading workstation and a turbocharger assembly line. Background Art

[0002] A turbocharger is actually an air compressor that increases the intake volume by compressing air. It uses the inertial force of the exhaust gas discharged by the engine to drive the turbine in the turbine chamber, and the turbine drives the coaxial impeller, which presses the air sent from the air filter pipe to increase the pressure and enter the cylinder.

[0003] Turbocharger assembly requires different types of bolt tightening wrenches, mainly electric wrenches, system wrenches, torque wrenches, etc., depending on the process parameters. Users will choose products of different brands for cost considerations while ensuring quality requirements. The control and use methods of wrenches of different brands are different. In addition, the assembly process of different models of turbochargers is also different.

[0004] However, when adjusting the process or expanding the production line of the turbocharger assembly line in the prior art, it is necessary to consider selecting different hardware connections, resulting in poor system scalability, high development costs and long cycles. Summary of the invention

[0005] Based on the above description, the present invention provides a manual loading workstation and a turbocharger assembly line. By setting up a square cabinet and connecting each workstation through a conveying window and a reflux window, the modularization of each workstation is realized, so that each workstation can be combined in the order of requirements and the corresponding workstation can be replaced arbitrarily, which is convenient for the construction, adjustment and expansion of the assembly line.

[0006] The technical solution of the present invention to solve the above technical problem is as follows: a manual loading workstation, comprising a square cabinet, wherein the cabinet comprises a working layer located at an upper side and a return layer located at a lower side; The working layer is provided with a conveying track, a partition, a transfer device, a testing device, a material rack, and a material distributor; the material rack and the partition are arranged on the left and right sides of the working layer, the material rack is used to place the bearing body, the impeller and the turbine rotor, and the partition is used to separate the front and rear sides of the working layer; the material distributor is arranged on the front side of the partition, and is used to feed the oil seal cover or the thrust bearing; The conveying track is arranged at the front side of the partition for conveying the pallet; the testing device is arranged at the rear side of the partition for conducting a leakage test on the bearing body; the transfer device is arranged below the partition for conveying the bearing body between the front and rear sides of the partition; a working window is provided at the front side of the working layer, and conveying windows matching the two ends of the conveying track are respectively provided on the left and right sides of the working layer; The reflow layer is provided with a reflow track, and the reflow track is used to recycle empty pallets. The left and right sides of the reflow layer are respectively provided with reflow windows matching the two ends of the reflow track.

[0007] Based on the above technical solution, the present invention can also be improved as follows.

[0008] Furthermore, the material distributor includes at least two feeding mechanisms, each of which includes a bracket, a material rod, a guide block, a material trough, a push block and an independent handle; The guide block is provided with a guide groove extending forward and backward, and a discharge port connected to the guide groove is provided at the front side of the guide block, and a feed port connected to the guide groove is provided at the top of the guide block; the push block is slidably arranged in the guide groove forward and backward, and a connecting plate extending from the bottom of the guide block is provided at the bottom of the push block, and the independent handle is installed at the front side of the connecting plate; The material trough is arranged at the front side of the guide block, and the material trough matches the material outlet; The bracket is arranged on the top rear side of the guide block, the top of the feed rod is installed on the top of the bracket, the bottom of the feed rod extends into the feed port, and the feed rod is used to sequentially sleeve a plurality of oil sealing covers or thrust bearings from bottom to top.

[0009] Furthermore, a receiving groove is provided at the front top of the push block; when the push block moves to the front end of the stroke, the rear side of the top of the push block blocks the bottom of the feed groove; when the push block moves to the rear end of the stroke, the receiving groove is located at the bottom of the feed port.

[0010] Furthermore, an upper connecting rod is provided on the rear side of the feeding mechanism, the middle part of the upper connecting rod is hinged to the rear side of the guide block, and the bottom of the upper connecting rod is hinged to the rear side of the connecting plate through a lower connecting rod; a stopper is hinged on the top of the upper connecting rod, and support rods are respectively provided on the left and right sides of the front end of the stopper, and the support rods can be slidably connected to the bracket forward and backward, and the front ends of the two support rods are respectively located on the left and right sides of the feeding rod.

[0011] Furthermore, a mounting groove is provided on the top of the bracket, the front side of the mounting groove extends to the front side of the bracket, and the front end opening width of the mounting groove is smaller than the rear end width of the mounting groove, and the front end opening width of the mounting groove is larger than the diameter of the material rod; a clamping block is provided on the top of the material rod, and the bottom of the clamping block is clamped to the rear end of the mounting groove.

[0012] Furthermore, the material dispensing device also includes a main control panel and a main control handle; the main control panel is provided with mounting holes corresponding to the independent handles one by one, and the independent handles can be inserted into the corresponding mounting holes slidably forward and backward; the main control handle is arranged at the front bottom of the main control panel.

[0013] Further, the testing mechanism includes a water channel leakage testing device, a water channel blocking mechanism, an oil channel leakage testing device, and an oil channel blocking mechanism; The transfer device comprises a cam divider and a driving motor; three workstations are evenly arranged on the top of the cam divider along the circumferential direction, and the three workstations are separated by a dividing plate; one of the workstations is located in front of the partition to form a manual loading workstation, and the other two workstations are located behind the partition to form a water channel test workstation and an oil channel test workstation, the water channel test workstation is matched with the water channel leakage test device and the water channel blocking mechanism, and the oil channel test workstation is matched with the oil channel leakage test device and the oil channel blocking mechanism; The driving motor is used to drive the cam divider to rotate, so that the three stations respectively and cyclically stay at the manual feeding station, the water circuit testing station and the oil circuit testing station in sequence.

[0014] Furthermore, the material rack includes an upper storage position and a lower storage position, and a temporary storage position is arranged on the front side of the lower storage position.

[0015] Furthermore, a sealing ring box is provided on the front side of the conveying track.

[0016] The present invention also proposes a turbocharger assembly line, comprising a plurality of workstations, each of which comprises a cabinet, and the cabinet comprises a working layer located at the upper side and a return layer located at the lower side; the working layer is provided with a conveying track for conveying pallets, and the left and right sides of the working layer are respectively provided with conveying windows matching the two ends of the conveying track; the return layer is provided with a return track for recycling empty pallets, and the left and right sides of the return layer are respectively provided with return windows matching the two ends of the return track; The workstations are arranged closely in sequence, and the conveying windows of every two adjacent workstations are connected to the conveying track, and the reflow windows of every two adjacent workstations are connected to the reflow track.

[0017] Compared with the prior art, the technical solution of this application has the following beneficial technical effects: 1. The present invention realizes the modularization of each workstation by setting a square cabinet and connecting each workstation through a delivery window and a return window, so that each workstation can be combined in the order of requirements and the corresponding workstation can be replaced at will, which is convenient for the construction, adjustment and expansion of the assembly line; 2. By setting up the testing device, the parts that need to be leak tested can be leak tested during loading. At the same time, by setting up the distributor, the corresponding oil cap or thrust bearing can be selected according to the different models of turbochargers.

[0018] 3. By arranging a support rod on the distributor, when the handle is pressed, the support rod extends forward to between the oil seal cover or thrust bearing at the bottom and the oil seal cover or thrust bearing above it, so as to ensure that only one oil seal cover or thrust bearing falls at a time, ensure uniform material feeding, and avoid damage to the oil seal cover or thrust bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A structural schematic diagram of a manual loading workstation provided in Embodiment 1 of the present invention; Figure 2 for Figure 1 A schematic diagram of the structure of the working layer of the hidden cabinet; Figure 3 It is a schematic diagram of the structure of the transfer device and the testing device in the first embodiment of the present invention; Figure 4 for Figure 3 A structural diagram from another perspective; Figure 5 It is a schematic diagram of the structure of the transfer device in the first embodiment of the present invention; Figure 6 This is a schematic structural diagram of a water channel blocking mechanism in Embodiment 1 of the present invention; Figure 7 This is a structural schematic diagram of the oil passage blocking mechanism in the first embodiment of the present invention; Figure 8 This is a schematic diagram of the structure of the material rack in the first embodiment of the present invention; Fig. 9 This is a schematic diagram of the structure of the distributor in the first embodiment of the present invention; Fig.10 This is a schematic diagram of the structure of the feeding mechanism in the first embodiment of the present invention; Fig.11 It is a schematic diagram of the structure of the guide groove and the push block in the first embodiment of the present invention; Fig.12 A schematic structural diagram of a turbocharger assembly line provided in Embodiment 2 of the present invention; In the accompanying drawings, the components represented by the reference numerals are listed as follows: 1. Cabinet; 11. Working layer; 111. Working window; 112. Conveying window; 12. Return layer; 121. Return window; 2. Conveying track; 3. Return track; 4. Partition; 5. Transfer device; 51. Cam divider; 52. Dividing plate; 53. Manual feeding station; 54. Water channel test station; 55. Oil channel test station; 56. Driving motor; 6. Testing device; 61. Water channel leakage testing device; 62. Water channel blocking mechanism; 621. First water channel blocking cylinder; 622. Second water channel blocking cylinder; 63. Oil channel leakage testing device; 64. Oil channel blocking mechanism; 641. First oil channel blocking cylinder; 642. Lifting cylinder; 643. Second oil channel blocking cylinder; 7. Material rack; 71. Upper storage position; 72. Lower storage position ;73. Temporary storage position;8. Distributor;81. Bracket;811. Mounting groove;82. Material rod;821. Block;83. Guide block;831. Guide groove;832. Discharge port;833. Feed port;84. Material trough;85. Push block;851. Receiving groove;86. Connecting plate;861. Upper connecting rod;862. Lower connecting rod;863. Block;864. Support rod;87. Independent handle;88. Main control panel;89. Main control handle;9. Sealing ring material box;10. Manual loading station;20. Pressure end ring / limit pin assembly station;30. Turbine rotor pre-assembly station;40. Pressure end / vortex end assembly station;50. Water retaining plate / oil sealing cover assembly station;60. Impeller assembly station;70. Axial clearance test / leakage test station. DETAILED DESCRIPTION

[0020] In order to facilitate understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. Embodiments of the present application are provided in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0022] When used herein, the singular forms "a", "an", and "said / the" may also include plural forms, unless the context clearly indicates otherwise. It should also be understood that the terms "include / comprise" or "have" etc. specify the presence of stated features, wholes, steps, operations, components, parts or combinations thereof, but do not exclude the possibility of the presence or addition of one or more other features, wholes, steps, operations, components, parts or combinations thereof.

[0023] Embodiment 1 A manual loading workstation includes a square cabinet 1, wherein the cabinet 1 includes a working layer 11 located at an upper side and a reflow layer 12 located at a lower side; The working layer 11 is provided with a conveying track 2, a partition 4, a transfer device 5, a testing device 6, a material rack 7, and a material distributor 8; the material rack 7 and the partition 4 are arranged on the left and right sides of the working layer 11, the material rack 7 is used to place the bearing body, the impeller and the turbine rotor, and the partition 4 is used to separate the front and rear sides of the working layer 11; the material distributor 8 is arranged on the front side of the partition 4, and is used to feed the oil seal cover or the thrust bearing; The conveying track 2 is arranged at the front side of the partition 4 for conveying the pallet; the testing device 6 is arranged at the rear side of the partition 4 for performing a leakage test on the bearing body; the transfer device 5 is arranged below the partition 4 for conveying the bearing body between the front and rear sides of the partition 4; a working window 111 is provided at the front side of the working layer 11, and conveying windows 112 matching the two ends of the conveying track 2 are respectively provided on the left and right sides of the working layer 11; The reflow layer 12 is provided with a reflow track 3 for recycling empty pallets. The left and right sides of the reflow layer 12 are respectively provided with reflow windows 121 matching the two ends of the reflow track 3 .

[0024] The manual loading workstation of this embodiment realizes the modularization of the workstation by setting up a square cabinet 1 and connecting it with other workstations with a conveying window 112 and a reflux window 121. Each workstation can be combined in the order of needs and the corresponding workstation can be replaced at will, which is convenient for the construction, adjustment and expansion of the assembly line.

[0025] In addition, by providing the testing device 6, the parts that need to be leak tested can be leak tested during loading, and by providing the distributor 8, the corresponding oil cap or thrust bearing can be selected according to the different models of the turbocharger.

[0026] Specifically, the testing mechanism includes a water channel leakage testing device 61, a water channel blocking mechanism 62, an oil channel leakage testing device 63, and an oil channel blocking mechanism 64; The transfer device 5 includes a cam divider 51 and a drive motor 56; three workstations are evenly arranged on the top of the cam divider 51 along the circumferential direction, and the three workstations are separated by a dividing plate 52; one of the workstations is located at the front side of the partition 4 to form a manual loading workstation 53, and the other two workstations are located at the rear side of the partition 4 to form a water channel test workstation 54 and an oil channel test workstation 55, the water channel test workstation 54 is matched with the water channel leakage test device 61 and the water channel blocking mechanism 62, and the oil channel test workstation 55 is matched with the oil channel leakage test device 63 and the oil channel blocking mechanism 64; The driving motor 56 is used to drive the cam divider 51 to rotate, so that the three stations respectively and cyclically stay at the manual loading station 53, the water circuit testing station 54 and the oil circuit testing station 55 in sequence.

[0027] The operator first places the bearing body on the manual loading station 53, and then the cam divider 51 rotates to move the bearing body to the water channel testing station 54 for water channel leakage test.

[0028] In this embodiment, the water channel blocking mechanism 62 includes a first water channel blocking cylinder 621 and a second water channel blocking cylinder 622. The first water channel blocking cylinder 621 is used to block the top of the bearing body, and the second water channel blocking cylinder 622 is used to block the water channel of the side wall of the bearing body. After the water channel blocking mechanism 62 blocks the water channel of the bearing body, the water channel leakage testing device 61 tests whether the water channel of the bearing body is leaking.

[0029] After the water circuit leakage test is completed, the cam divider 51 rotates to move the bearing body to the oil circuit testing station 55 for oil circuit leakage test.

[0030] In this embodiment, the oil passage blocking mechanism 64 includes a first oil passage blocking cylinder 641, a lifting cylinder 642, and a second oil passage blocking cylinder 643. The first oil passage blocking cylinder 641 is used to block the top of the bearing body, the lifting cylinder 642 is used to adjust the height of the second oil passage blocking cylinder 643, and the second oil passage blocking cylinder 643 is used to block the oil passage of the side wall of the bearing body from opposite sides. After the oil passage blocking mechanism 64 blocks the oil passage of the bearing body, the oil passage leakage test device 63 tests whether the oil passage of the bearing body is leaking.

[0031] After the oil circuit leakage test is completed, the cam divider 51 rotates to move the bearing body to the manual loading station 53, and the operator moves the tested bearing body to the pallet.

[0032] In this embodiment, the material rack 7 includes an upper storage position 71 and a lower storage position 72, and a temporary storage position 73 is provided in front of the lower storage position 72. The lower storage area is used to place the bearing body, the impeller, the turbine rotor and its material box. When loading, the material box can be moved to the temporary storage position 73 for easy loading. After loading, the empty material box is moved to the upper storage area for storage.

[0033] The material distributor 8 of this embodiment includes three feeding mechanisms, wherein the middle material distributor 8 is used to discharge the thrust bearing, and the two material distributors 8 on both sides are used to discharge the two types of oil sealing covers respectively.

[0034] Each of the feeding mechanisms comprises a bracket 81, a feeding rod 82, a guide block 83, a feeding trough 84, a push block 85 and an independent handle 87; The guide block 83 is provided with a guide groove 831 extending forward and backward, and a discharge port 832 connected to the guide groove 831 is provided on the front side of the guide block 83, and a feed port 833 connected to the guide groove 831 is provided on the top of the guide block 83; the push block 85 can be slidably arranged in the guide groove 831, and the bottom of the push block 85 is provided with a connecting plate 86 extending out of the bottom of the guide block 83, and the independent handle 87 is installed on the front side of the connecting plate 86; the material trough 84 is arranged on the front side of the guide block 83, and the material trough 84 is matched with the discharge port 832; the bracket 81 is arranged on the rear side of the top of the guide block 83, the top of the material rod 82 is installed on the top of the bracket 81, and the bottom of the material rod 82 extends into the feed port 833, and the material rod 82 is used to sequentially cover a number of oil sealing covers or thrust bearings from bottom to top.

[0035] The front top of the push block 85 is provided with a receiving groove 851; the push block 85 is usually located at the front end of the stroke, at which time, the rear side of the top of the push block 85 blocks the bottom of the feed trough 84 to prevent the oil seal cover or thrust bearing from falling; when the independent handle 87 is pushed backward, the push block 85 moves to the rear end of the stroke, the receiving groove 851 is located at the bottom of the feed port 833, and the oil seal cover or thrust bearing from above falls into the receiving groove 851 through the feed port 833. After releasing the independent handle 87, the push block 85 moves forward and returns to the front end of the stroke. The push block 85 can be manually controlled to return to its original position or return to its original position through various elastic parts. The push block 85 pushes the oil seal cover or thrust bearing forward, and the oil seal cover or thrust bearing falls into the trough 84 through the discharge port 832.

[0036] The top of the bracket 81 is provided with a mounting groove 811, the front side of the mounting groove 811 extends to the front side of the bracket 81, and the front opening width of the mounting groove 811 is smaller than the rear end width of the mounting groove 811, and the front opening width of the mounting groove 811 is larger than the diameter of the material rod 82; the top of the material rod 82 is provided with a clamping block 821, and the bottom of the clamping block 821 is clamped at the rear end of the mounting groove 811. The material rod 82 can be quickly removed by first moving the clamping block 821 upwards and then moving the material rod 82 forward, so as to facilitate the installation of a new oil seal cap or thrust bearing.

[0037] The material distributing device further includes a master control panel 88 and a master control handle 89; the master control panel 88 is provided with mounting holes corresponding to the independent handles 87, and the independent handles 87 are respectively inserted into the corresponding mounting holes in a forward and backward sliding manner; the master control handle 89 is arranged at the front bottom of the master control panel 88. By pushing the master control handle 89 backward, the master control panel 88 pushes the connecting plates 86 of each material discharging mechanism, so that the three material discharging mechanisms can discharge materials at the same time.

[0038] Preferably, an upper connecting rod 861 is provided on the rear side of the feeding mechanism, the middle part of the upper connecting rod 861 is hinged to the rear side of the guide block 83, and the bottom of the upper connecting rod 861 is hinged to the rear side of the connecting plate 86 through the lower connecting rod 862; a stopper 863 is hinged on the top of the upper connecting rod 861, and support rods 864 are respectively provided on the left and right sides of the front end of the stopper 863, and the support rods 864 can be slidably connected to the bracket 81 forward and backward, and the front ends of the two support rods 864 are respectively located on the left and right sides of the feeding rod 82.

[0039] When the main control handle 89 or the corresponding independent handle 87 is pressed, the support rod 864 extends forward to between the bottommost oil seal cap or thrust bearing and the oil seal cap or thrust bearing above it, thereby ensuring that only one oil seal cap or thrust bearing falls at a time, ensuring uniform material feeding and avoiding damage to the oil seal cap or thrust bearing.

[0040] A sealing ring material box 9 is also provided on the front side of the conveying track 2 .

[0041] The operator can select corresponding parts from the material rack 7, the material distributor 8 or the sealing ring material box 9 according to different models of turbochargers for loading.

[0042] Embodiment 2 A turbocharger assembly line includes a plurality of workstations, each of which includes a cabinet 1, and the cabinet 1 includes a working layer 11 located at the upper side and a return layer 12 located at the lower side; the working layer 11 is provided with a conveying track 2 for conveying pallets, and the left and right sides of the working layer 11 are respectively provided with conveying windows 112 matching the two ends of the conveying track 2; the return layer 12 is provided with a return track 3 for recycling empty pallets, and the left and right sides of the return layer 12 are respectively provided with return windows 121 matching the two ends of the return track 3; The workstations are arranged closely in sequence, and the conveying windows 112 of every two adjacent workstations are connected to the conveying track 2 , and the reflow windows 121 of every two adjacent workstations are connected to the reflow track 3 .

[0043] In this embodiment, the workstations are, in order, a manual loading workstation 10, a pressure end ring / limit pin assembly workstation 20, a turbine rotor pre-assembly workstation 30, a pressure end / vortex end assembly workstation 40, a water retaining plate / oil sealing cover assembly workstation 50, a pressure impeller assembly workstation 60, and an axial clearance test / leakage test workstation 70. According to the requirements of different products, the various workstations can be combined in any order and the corresponding workstations can be replaced at will.

[0044] This embodiment realizes the modularization of each workstation by setting up a square cabinet and connecting each workstation through a conveying window and a reflux window, so that each workstation can be combined in the order of needs and the corresponding workstation can be replaced at will, which is convenient for the construction, adjustment and expansion of the assembly line.

[0045] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A manual feeding workstation, characterized in that: The cabinet comprises a square cabinet body, wherein the cabinet body comprises a working layer located at an upper side and a return layer located at a lower side; The working layer is provided with a conveying track, a partition, a transfer device, a testing device, a material rack, and a material distributor; the material rack and the partition are arranged on the left and right sides of the working layer, the material rack is used to place the bearing body, the impeller and the turbine rotor, and the partition is used to separate the front and rear sides of the working layer; the material distributor is arranged on the front side of the partition, and is used to feed the oil seal cover or the thrust bearing; The conveying track is arranged at the front side of the partition for conveying the pallet; the testing device is arranged at the rear side of the partition for conducting a leakage test on the bearing body; the transfer device is arranged below the partition for conveying the bearing body between the front and rear sides of the partition; a working window is provided at the front side of the working layer, and conveying windows matching the two ends of the conveying track are respectively provided on the left and right sides of the working layer; The reflow layer is provided with a reflow track, and the reflow track is used to recycle empty pallets. The left and right sides of the reflow layer are respectively provided with reflow windows matching the two ends of the reflow track.

2. A manual loading workstation according to claim 1, characterized in that: The material distributor comprises at least two feeding mechanisms, each of which comprises a bracket, a material rod, a guide block, a material trough, a push block and an independent handle; The guide block is provided with a guide groove extending forward and backward, and a discharge port connected to the guide groove is provided at the front side of the guide block, and a feed port connected to the guide groove is provided at the top of the guide block; the push block is slidably arranged in the guide groove forward and backward, and a connecting plate extending from the bottom of the guide block is provided at the bottom of the push block, and the independent handle is installed at the front side of the connecting plate; The material trough is arranged at the front side of the guide block, and the material trough matches the material outlet; The bracket is arranged on the top rear side of the guide block, the top of the feed rod is installed on the top of the bracket, the bottom of the feed rod extends into the feed port, and the feed rod is used to sequentially sleeve a plurality of oil sealing covers or thrust bearings from bottom to top.

3. A manual loading workstation according to claim 2, characterized in that: An upper connecting rod is arranged on the rear side of the feeding mechanism, the middle part of the upper connecting rod is hinged to the rear side of the guide block, and the bottom of the upper connecting rod is hinged to the rear side of the connecting plate through a lower connecting rod; a stopper is hinged on the top of the upper connecting rod, and support rods are respectively arranged on the left and right sides of the front end of the stopper, and the support rods can be slidably connected to the bracket forward and backward, and the front ends of the two support rods are respectively located on the left and right sides of the feeding rod.

4. A manual loading workstation according to claim 2, characterized in that: A receiving groove is provided on the front top of the push block; when the push block moves to the front end of the stroke, the rear side of the top of the push block blocks the bottom of the feed groove; when the push block moves to the rear end of the stroke, the receiving groove is located at the bottom of the feed port.

5. A manual loading workstation according to claim 2, characterized in that: A mounting groove is provided at the top of the bracket, the front side of the mounting groove extends to the front side of the bracket, and the front end opening width of the mounting groove is smaller than the rear end width of the mounting groove, and the front end opening width of the mounting groove is larger than the diameter of the material rod; a clamping block is provided at the top of the material rod, and the bottom of the clamping block is clamped at the rear end of the mounting groove.

6. A manual loading workstation according to claim 2, characterized in that: The material dispensing device also includes a main control panel and a main control handle; the main control panel is provided with mounting holes corresponding to the independent handles one by one, and the independent handles can be inserted into the corresponding mounting holes slidably forward and backward; the main control handle is arranged at the front bottom of the main control panel.

7. A manual loading workstation according to claim 1, characterized in that: The testing mechanism includes a water channel leakage testing device, a water channel blocking mechanism, an oil channel leakage testing device, and an oil channel blocking mechanism; The transfer device comprises a cam divider and a driving motor; three workstations are evenly arranged on the top of the cam divider along the circumferential direction, and the three workstations are separated by a dividing plate; one of the workstations is located in front of the partition to form a manual loading workstation, and the other two workstations are located behind the partition to form a water channel test workstation and an oil channel test workstation, the water channel test workstation is matched with the water channel leakage test device and the water channel blocking mechanism, and the oil channel test workstation is matched with the oil channel leakage test device and the oil channel blocking mechanism; The driving motor is used to drive the cam divider to rotate, so that the three stations respectively and cyclically stay at the manual feeding station, the water circuit testing station and the oil circuit testing station in sequence.

8. A manual loading workstation according to claim 1, characterized in that: The material rack comprises an upper storage position and a lower storage position, and a temporary storage position is arranged at the front side of the lower storage position.

9. A manual loading workstation according to claim 1, characterized in that: A sealing ring material box is arranged on the front side of the conveying track.

10. A turbocharger assembly line, characterized in that: It comprises several workstations, each of which comprises a cabinet, and the cabinet comprises a working layer located at the upper side and a return layer located at the lower side; the working layer is provided with a conveying track for conveying pallets, and the left and right sides of the working layer are respectively provided with conveying windows matching the two ends of the conveying track; the return layer is provided with a return track for recycling empty pallets, and the left and right sides of the return layer are respectively provided with return windows matching the two ends of the return track; The workstations are arranged closely in sequence, and the conveying windows of every two adjacent workstations are connected to the conveying track, and the reflow windows of every two adjacent workstations are connected to the reflow track.

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