Secondary positioning jacking mechanism of motor shell

Abstract

The utility model discloses and provides a secondary positioning and jacking mechanism for a motor shell, which can overcome the defects in the prior art, realize the accurate, efficient and stable positioning and conveying of the motor shell and the like, and meet the pursuit of modern motor production for high quality and high efficiency. The device comprises a mechanism fixing plate, a conveying line module, a product tray assembly, a jacking assembly and a secondary positioning assembly, the mechanism fixing plate is fixedly matched with external equipment, the conveying line module, the product tray assembly and the jacking assembly are all fixedly matched with the mechanism fixing plate, and the product tray assembly is divided into a large tray assembly and a small tray assembly. The large tray assembly is in sliding fit with the conveying line module, the small tray assembly is in limiting fit with the large tray assembly, product elements are in limiting fit with the small tray assembly, the secondary positioning assembly is in limiting fit with the jacking assembly, and the jacking assembly pushes the secondary positioning assembly to be in limiting fit with the product elements.

Description

Technical Field

[0001] The utility model is applied to the field of product positioning and lifting, and particularly relates to a secondary positioning and lifting mechanism for a motor housing. Background Art

[0002] With the rapid development of new energy vehicles, new energy motors are becoming ubiquitous in passenger cars, commercial vehicles, buses, trucks, special-purpose vehicles, and more. Motors are a key component of these vehicles. Since motor housings are primarily manufactured using die-casting and turning processes, the consistency of die-cast housing dimensions is difficult to control. In motor assembly lines, ensuring the precise positioning of each housing on the pallet is paramount, as it determines the pass rate of finished motors. However, currently, most companies primarily rely on manual coarse positioning of housings, relying on overhead cranes for manual handling and semi-automatic equipment for assembly. This is not only inefficient but also poses safety risks.

[0003] In addition, with the rapid development of the motor industry, the requirements for the size, shape and material of the motor housing are becoming increasingly diversified. Therefore, based on the above problems, if a secondary positioning and lifting mechanism for the motor housing can be designed, this secondary positioning and lifting mechanism can overcome the shortcomings of the existing technology and achieve accurate, efficient and stable positioning and transportation of the motor housing to meet the pursuit of high quality and high efficiency in modern motor production, then the above problems can be solved well. Summary of the Invention

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the existing technology and design a secondary positioning and lifting mechanism for the motor housing. The secondary positioning and lifting mechanism can overcome the deficiencies of the existing technology and achieve accurate, efficient and stable positioning and transportation of the motor housing to meet the pursuit of high quality and high efficiency in modern motor production.

[0005] The utility model discloses a technical scheme adopted is: the utility model discloses a mechanism fixed plate, conveying line module, product tray subassembly, jacking subassembly and secondary positioning subassembly, the mechanism fixed plate fixed cooperation is in the outer side equipment, conveying line module The product tray subassembly and jacking subassembly all fixed cooperation is in mechanism fixed plate, product tray subassembly is divided into big tray subassembly and small tray subassembly, big tray subassembly sliding cooperation is in conveying line module, small tray subassembly limit cooperation is in big tray subassembly, product element limit cooperation is in small tray subassembly, secondary positioning subassembly limit cooperation is in jacking subassembly, jacking subassembly promotes secondary positioning subassembly with product element limit cooperation, thus can see, mechanism fixed plate gives conveying line module and jacking subassembly play the role of support and fixed, conveying line module plays the role of transporting product tray subassembly and transports product tray subassembly to the top of jacking subassembly, product tray subassembly gives product element play the role of support and coarse positioning, makes product element wait secondary positioning subassembly and accurately positions it, jacking subassembly gives secondary positioning subassembly play the role of support and positioning, simultaneously, drives secondary positioning subassembly and moves towards product element, secondary positioning subassembly gives product element play the role of support and accurate positioning, makes product element enter next station.

[0006] Further, the mechanism fixed plate is provided with a plurality of adjusting blocks and a plurality of conveying line support frames, the adjusting blocks are provided with adjusting screws, the adjusting blocks are limited in cooperation with the jacking assemblies by rotating the adjusting screws, and the conveying line modules are fixed in cooperation with the mechanism fixed plate through the conveying line support frames.

[0007] Further, the conveying line module is provided with an adjustable blocking block and a reflection sensor, the adjustable blocking block is fixed in cooperation with one end of the conveying line module, the adjustable blocking block is limited in cooperation with the product tray assembly entering the conveying line module, the reflection sensor is fixed in cooperation with one side of the conveying line module, and the reflection sensor is matched with the product element.

[0008] Further, the jacking assembly comprises a jacking moving plate, a jacking fixed plate, a jacking cylinder, a plurality of guide columns, a plurality of linear bearings and a pair of connecting blocks, the jacking fixed plate is limited in cooperation with the mechanism fixed plate, a plurality of the linear bearings and the jacking cylinder are all fixed in cooperation with the jacking fixed plate, the working end of the jacking cylinder is connected in cooperation with the jacking moving plate, a plurality of the guide columns are slidingly fitted in the linear bearings, and the upper and lower ends of the guide columns are respectively connected with the jacking moving plate and the connecting blocks, the jacking moving plate is provided with a tool positioning assembly, and the tool positioning assembly is limited in cooperation with the big tray assembly and the secondary positioning assembly.

[0009] Furthermore, the secondary positioning assembly includes a positioning fixing plate, a position positioning column, an angle positioning column and a compression spring. The position positioning column and the angle positioning column are fixedly fitted on the positioning fixing plate. The compression spring ring is sleeved on the angle positioning column. The two ends of the compression spring are respectively limited and fitted with the product element and the angle positioning column. A bushing is provided on the positioning fixing plate, and the bushing is limited and fitted with the jacking assembly.

[0010] Furthermore, the upper surface of the large pallet assembly is provided with a number of small pallet positioning diamond pins, a number of small pallet positioning cylindrical pins and a number of first guide sleeves. The large pallet assembly is limited and matched with the small pallet assembly through the number of the small pallet positioning diamond pins and the number of small pallet positioning cylindrical pins. The number of the first guide sleeves is limited and matched with the lifting assembly. A number of pulleys are provided around the large pallet assembly, and the pallet assembly is slidably matched with the conveyor line module through the pulleys.

[0011] Furthermore, the connecting block is provided with a plurality of adjustable limit blocks and a plurality of rubber buffer blocks, the plurality of adjustable limit blocks are limitedly matched with the lower surface of the jacking fixing plate, and the rubber buffer blocks are connected and matched with the lower surface of the guide column.

[0012] Furthermore, the lifting cylinder is provided with a pilot valve and a cylinder magnetic switch.

[0013] Furthermore, the tooling positioning assembly includes a first positioning diamond pin, a first positioning cylindrical pin, several support columns, a second positioning diamond pin and a second positioning cylindrical pin. The first positioning diamond pin, the first positioning cylindrical pin, several support columns, the second positioning diamond pin and the second positioning cylindrical pin are all fixedly fitted on the lifting movable plate. The first positioning diamond pin and the first positioning cylindrical pin are positioned and fitted with the secondary positioning assembly. Several support columns are limitedly fitted with the bottom of the secondary positioning assembly. The second positioning diamond pin and the second positioning cylindrical pin are respectively positioned and fitted with several of the first guide sleeves.

[0014] Furthermore, the small pallet assembly is provided with a number of second guide sleeves, a number of quick-change knobs, a number of product support blocks and a product positioning block. The second guide sleeves are respectively limited and matched with a number of the small pallet positioning diamond pins and a number of small pallet positioning cylindrical pins. The working end of the quick-change knob is limited and matched with the large pallet assembly. The product support block is limited and matched with the product component. The product positioning block is limited and matched with the product component through the product positioning pin. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural view of the utility model;

[0016] Figure 2This is an exploded structural view of the present utility model;

[0017] Figure 3 This is a structural view of the fixed cooperation between the mechanism fixing plate, the lifting assembly and the secondary positioning assembly;

[0018] Figure 4 It is a structural view of the fixing plate of the mechanism;

[0019] Figure 5 is a structural view of the conveyor line module;

[0020] Figure 6 is a first structural view of the large tray assembly;

[0021] Figure 7 is a second structural view of the large tray assembly;

[0022] Figure 8 is an exploded structural view of the small tray assembly and the product components;

[0023] Figure 9 is a structural view of the small tray assembly block;

[0024] Figure 10 is an exploded structural view of the jacking assembly and the secondary positioning assembly;

[0025] Figure 11 is a structural view of the jacking assembly;

[0026] Figure 12 1 is a structural view of the secondary positioning component. DETAILED DESCRIPTION

[0027] like Figures 1 to 3In this embodiment, the utility model includes a mechanism fixing plate 1, a conveyor line module 2, a product tray assembly 3, a lifting assembly 4 and a secondary positioning assembly 5. The mechanism fixing plate 1 is fixedly fitted on the external equipment, the conveyor line module 2, the product tray assembly 3 and the lifting assembly 4 are all fixedly fitted on the mechanism fixing plate 1, the product tray assembly 3 is divided into a large tray assembly 30 and a small tray assembly 31, the large tray assembly 30 is slidably fitted on the conveyor line module 2, the small tray assembly 31 is limitedly fitted on the large tray assembly 30, the product element 6 is limitedly fitted on the small tray assembly 31, the secondary positioning assembly 5 is limitedly fitted on the lifting assembly 4, and the lifting assembly 4 pushes the secondary positioning assembly 5 to limit the product element 6. It can be seen that the mechanism fixing plate 1 supports and fixes the conveyor line module 2 and the lifting assembly 4. The conveyor line module 2 transports the product tray assembly 3 and transports the product tray assembly 3 to the top of the lifting assembly 4. The product tray assembly 3 supports and roughly positions the product component 6, so that the product component 6 waits for the secondary positioning assembly 5 to precisely position it. The lifting assembly 4 supports and positions the secondary positioning assembly 5 and, at the same time, drives the secondary positioning assembly 5 to move toward the product component 6. The secondary positioning assembly 5 supports and precisely positions the product component 6, so that the product component 6 enters the next workstation.

[0028] like Figure 4 As described, in this embodiment, a number of adjustment blocks 10 and a number of conveyor line support frames 11 are provided on the mechanism fixing plate 1, and an adjustment screw is provided on the adjustment block 10. The adjustment block 10 is limitedly matched with the jacking assembly 4 by rotating the adjustment screw, and the conveyor line module 2 is fixedly matched on the mechanism fixing plate 1 by the conveyor line support frame 11. It can be seen that the mechanism fixing plate 1 supports and fixes the number of the adjustment blocks 10 and the number of the conveyor line support frames 11, and the adjustment block 10 adjusts the horizontal position of the jacking assembly 4 by twisting the adjustment screw. At the same time, it can also eliminate the cumulative tolerance of the jacking mechanism, and the number of the conveyor line support frames 11 supports and fixes the conveyor line module 2.

[0029] like Figure 5As described, in this embodiment, the conveyor line module 2 is provided with an adjustable stop block 20 and a reflective sensor 21. The adjustable stop block 20 is fixedly fitted at one end of the conveyor line module 2. The adjustable stop block 20 is limitedly fitted with the product tray assembly 3 entering the conveyor line module 2. The reflective sensor 21 is fixedly fitted at one side of the conveyor line module 2. The reflective sensor 21 is fitted with the product element 6. It can be seen that the conveyor line module 2 supports and fixes the adjustable stop block 20 and the reflective sensor 21. The adjustable stop block 20 stops the product tray assembly 3 entering the conveyor line module 2, so that the product tray assembly 3 stays above the lifting assembly 4. The reflective sensor 21 can detect whether the product tray assembly 3 is in place and whether the product element 6 is on the small tray assembly 30.

[0030] like Figure 10 and Figure 11 In this embodiment, the jacking assembly 4 includes a jacking movable plate 40, a jacking fixed plate 41, a jacking cylinder 42, a plurality of guide columns 43, a plurality of linear bearings 44 and a pair of connecting blocks 45. The jacking fixed plate 41 is limited and matched with the mechanism fixed plate 1. The plurality of linear bearings 44 and the jacking cylinder 42 are fixedly matched on the jacking fixed plate 41. The working end of the jacking cylinder 42 is connected and matched with the jacking movable plate 40. The plurality of guide columns 43 are slidably matched in the linear bearing 44. The upper and lower ends of the guide columns 43 are respectively connected with the jacking movable plate 40 and the connecting block 45. A tooling positioning assembly is provided on the jacking movable plate 40, and the tooling positioning assembly is limited and matched with the large pallet assembly 30 and the secondary positioning assembly 5 respectively. It can be seen that the lifting fixed plate 41 supports and fixes the lifting cylinder 42 and several linear bearings 44, and several guide columns 43 connect the lifting movable plate 40 and the connecting block 45. The lifting cylinder 42 provides a driving force for the lifting movable plate 40, so that the lifting movable plate 40 drives the secondary positioning assembly 5 to lift and position the product component 6. The linear bearings 44 guide the movement of the guide columns 43. The connecting block 45 connects the adjacent guide columns 43 so that the guide columns 43 can rise and fall together to ensure the horizontality of the lifting movable plate 40. At the same time, the connecting block 45 pneumatically supports and fixes the adjustable limit stop column 80, and pauses the movement of the movable plate 40. The lifting movable plate 40 supports and fixes the tooling positioning assembly, drives the tooling positioning assembly to lift toward the secondary positioning assembly 5, so that the tooling positioning assembly and the secondary positioning assembly 5 are in contact and limited cooperation.

[0031] As Figure 10 and Figure 12 described, in this embodiment, the secondary positioning assembly 5 comprises a positioning fixed plate 50, a position positioning column 51, an angle positioning column 52 and a compression spring 53, the position positioning column 51 and the angle positioning column 52 are fixedly matched on the positioning fixed plate 50, the compression spring 53 is sleeved on the angle positioning column 52, and two ends of the compression spring 53 are limitedly matched with the product element 6 and the angle positioning column 52 respectively, and the positioning fixed plate 50 is provided with a bushing 54 which is limitedly matched with the jacking assembly 4. As can be seen, the positioning fixed plate 50 plays a supporting and limiting role for the position positioning column 51, the angle positioning column 52 and the bushing 54, the bushing 54 plays a positioning matching role with the jacking assembly 4 for the secondary positioning assembly 5, so that the secondary positioning assembly 5 can be accurately limited on the jacking assembly 4, the angle positioning column 52 plays a role in positioning the angle of the product element 6, the compression spring 53 is matched with the bottom of the product element 6, plays a supporting and floating role for the product element 6, so that the position positioning column 51 can complete the positioning role with the product element 6, that is, the role of secondary positioning, and the position positioning column 51 plays a role in positioning the product element 6.

[0032] As Figure 6 and Figure 7 described, in this embodiment, the upper surface of the large tray assembly 30 is provided with a plurality of small tray positioning diamond pins 36, a plurality of small tray positioning cylindrical pins 37 and a plurality of first guide sleeves 38, the large tray assembly 30 is limitedly matched with the small tray assembly 31 through a plurality of small tray positioning diamond pins 36 and a plurality of small tray positioning cylindrical pins 37, and a plurality of first guide sleeves 38 are limitedly matched with the jacking assembly 4, and the periphery of the large tray assembly 30 is provided with a plurality of pulleys 39, and the tray assembly 30 is slidingly matched with the conveying line module 2 through the pulleys 39. As can be seen, the large tray assembly 30 plays a supporting and fixing role for the plurality of small tray positioning diamond pins 36, the plurality of small tray positioning cylindrical pins 37 and the plurality of first guide sleeves 38, the plurality of small tray positioning diamond pins 36 and the plurality of small tray positioning cylindrical pins 37 respectively play a supporting and guiding role for the small tray assembly 31, so that the small tray assembly 31 is limited on the large tray assembly 30, waiting for the secondary positioning assembly 5 to be positioned and matched therewith.

[0033] As Figure 11As mentioned above, in this embodiment, the connecting block 45 is provided with a plurality of adjustable limit stop posts 80 and a plurality of rubber buffer blocks 81. The plurality of adjustable limit stop posts 80 are limitedly matched with the lower surface of the jacking fixed plate 41, and the rubber buffer blocks 81 are connected and matched with the lower surface of the guide column 43. It can be seen that the connecting block 45 supports and fixes the adjustable limit stop posts 80 and the rubber buffer blocks 81, the adjustable limit stop posts 80 limit the jacking fixed plate 41, so that the jacking movable plate 40 stops the jacking action, and the rubber buffer blocks 81 buffer the guide column 43. When the jacking assembly 4 jacks other fixed parts, the rubber buffer blocks 81 can absorb part of the jacking force, so that the jacking assembly 4 and the jacked parts are protected and damaged.

[0034] like Figure 10 and Figure 11 As mentioned above, in this embodiment, the lifting cylinder 42 is provided with a pilot valve 46 and a cylinder magnetic switch 47. As can be seen, the pilot valve 46 plays a protective role to prevent unexpected situations, such as sudden air failure and insufficient air pressure, from causing the lifting cylinder 42 to fall back and damage the secondary positioning assembly 5, the product component 6 and other parts. The cylinder magnetic switch 47 plays a role in monitoring whether the lifting assembly 4 is in place.

[0035] like Figure 10 and Figure 11In this embodiment, the tooling positioning assembly includes a first positioning diamond pin 82, a first positioning cylindrical pin 83, several support columns 84, a second positioning diamond pin 85 and a second positioning cylindrical pin 86. The first positioning diamond pin 82, the first positioning cylindrical pin 83, several support columns 84, the second positioning diamond pin 85 and the second positioning cylindrical pin 86 are all fixedly fitted on the lifting movable plate 40. The first positioning diamond pin 82 and the first positioning cylindrical pin 83 are positioned and fitted with the secondary positioning assembly 5. Several support columns 84 are limitedly fitted with the bottom of the secondary positioning assembly 5. The second positioning diamond pin 85 and the second positioning cylindrical pin 86 are respectively positioned and fitted with several of the first guide sleeves 38. It can be seen that the lifting movable plate 40 supports and fixes the first positioning diamond pin 82, the first positioning cylindrical pin 83, the support columns 84, the second positioning diamond pin 85 and the second positioning cylindrical pin 86; the first positioning diamond pin 82 and the first positioning cylindrical pin 83 position and guide the secondary positioning component 5; the support columns 84 support and limit the secondary positioning component 5; the second positioning diamond pin 85 and the second positioning cylindrical pin 86 position and guide the first guide sleeve 38, thereby enabling the tooling positioning component to be precisely positioned on the large pallet component 30, and indirectly enabling the secondary positioning component 5 to be precisely positioned with the product component 6.

[0036] like Figure 8 and Figure 9 As described, in this embodiment, the small tray assembly 31 is provided with a plurality of second guide sleeves 32, a plurality of quick-change knobs 33, a plurality of product support blocks 34 and a product positioning block 35. The second guide sleeves 32 are respectively limited and matched with a plurality of the small tray positioning diamond pins 36 and a plurality of small tray positioning cylindrical pins 37. The working end of the quick-change knob 33 is limited and matched with the large tray assembly 30. The product support block 34 is limited and matched with the product element 6. The product positioning block 35 is limited and matched with the product element 6 through the product positioning pin. It can be seen that the small tray assembly 31 supports and fixes the second guide sleeves 32, the quick-change knobs 33, the product support blocks 34 and the product positioning blocks 35; the second guide sleeves 32 position and guide the small tray positioning diamond pins 36 and the small tray positioning cylindrical pins 37; the quick-change knobs 33 provide for adapting to different product components and realizing rapid replacement of different small tray assemblies 31; the product support blocks 34 support and limit the product components 6; the product positioning blocks 35 position and connect the product components 6 with the small tray assembly 31 through the product positioning pins, so that the product components 6 are firmly positioned and limited on the small tray assembly 31.

[0037] In the embodiment, the working principle of the utility model is as follows:

[0038] As Figures 1 to 12 shown,

[0039] Transportation action: the adjustable blocking block 20 on the conveying line module 2 is in the extended state, the previous process of the equipment has coarsely positioned the product element 6 on the small tray assembly 31, after the product tray assembly 3 is driven by the conveying line module 2 and moves to the designated position, the product tray assembly 3 is blocked by the adjustable blocking block 20, the reflection sensor 21 on the conveying line module 2 judges whether the product tray assembly 3 is in place, judges whether there is the product element 6 on the small tray assembly 31, and after the judgment is completed.

[0040] Jacking action: after the jacking cylinder 41 receives the signal, the jacking cylinder 41 pushes the jacking moving plate 40 and the secondary positioning assembly 5 towards the product tray assembly 3, the second positioning diamond pin 85 and the second positioning cylindrical pin 86 on the jacking assembly 4 finely position the large tray assembly 30, the secondary positioning assembly 5 finely positions and angularly positions the product element 6 on the small tray assembly 31, and finally the support column 84 on the jacking assembly 4 supports the large tray assembly 30 as a whole, so that the large tray assembly 30 is separated from the conveying line module 2,

[0041] End action: after other processes are completed, the jacking assembly 4 is retracted, the large tray assembly 30 falls back on the conveying line module 2, the adjustable blocking block 20 on the conveying line module 2 is in the retracted state, the product tray assembly 3 is transported out by the conveying line module 2, and the cycle is repeated.

[0042] Although the embodiments of the utility model are described in actual schemes, but do not constitute the limitation to the meaning of the utility model, for the person skilled in the art, according to the modification of the embodiments and the combination with other schemes in the specification, it is obvious.

Claims

1. A secondary positioning and lifting mechanism for a motor housing, characterized in that: It comprises a mechanism fixing plate (1), a conveyor line module (2), a product tray assembly (3), a lifting assembly (4) and a secondary positioning assembly (5), wherein the mechanism fixing plate (1) is fixedly matched on an external device, the conveyor line module (2), the product tray assembly (3) and the lifting assembly (4) are all fixedly matched on the mechanism fixing plate (1), the product tray assembly (3) is divided into a large tray assembly (30) and a small tray assembly (31), the large tray assembly (30) is slidably matched on the conveyor line module (2), the small tray assembly (31) is limitedly matched on the large tray assembly (30), the product element (6) is limitedly matched on the small tray assembly (31), the secondary positioning assembly (5) is limitedly matched on the lifting assembly (4), and the lifting assembly (4) pushes the secondary positioning assembly (5) to limit the matching with the product element (6).

2. The secondary positioning and lifting mechanism for a motor housing according to claim 1, characterized in that: The mechanism fixing plate (1) is provided with a plurality of adjustment blocks (10) and a plurality of conveyor line support frames (11), the adjustment blocks (10) are provided with adjustment screws, the adjustment blocks (10) are limitedly engaged with the jacking assembly (4) by rotating the adjustment screws, and the conveyor line module (2) is fixedly engaged with the mechanism fixing plate (1) through the conveyor line support frames (11).

3. The secondary positioning and lifting mechanism for a motor housing according to claim 1, characterized in that: The conveyor line module (2) is provided with an adjustable stop block (20) and a reflection sensor (21), wherein the adjustable stop block (20) is fixedly engaged with one end of the conveyor line module (2), and the adjustable stop block (20) is limitedly engaged with the product tray assembly (3) entering the conveyor line module (2), and the reflection sensor (21) is fixedly engaged with one side of the conveyor line module (2), and the reflection sensor (21) is engaged with the product component (6).

4. The secondary positioning and lifting mechanism for a motor housing according to claim 1, characterized in that: The jacking assembly (4) includes a jacking movable plate (40), a jacking fixed plate (41), a jacking cylinder (42), a plurality of guide columns (43), a plurality of linear bearings (44) and a pair of connecting blocks (45), wherein the jacking fixed plate (41) is limitedly matched with the mechanism fixed plate (1), the plurality of linear bearings (44) and the jacking cylinder (42) are fixedly matched with the jacking fixed plate (41), the working end of the jacking cylinder (42) is connected and matched with the jacking movable plate (40), the plurality of guide columns (43) are slidably matched in the linear bearing (44), the upper and lower ends of the guide columns (43) are respectively connected with the jacking movable plate (40) and the connecting block (45), and a tool positioning assembly is provided on the jacking movable plate (40), and the tool positioning assembly is limitedly matched with the large tray assembly (30) and the secondary positioning assembly (5) respectively.

5. The secondary positioning and lifting mechanism for a motor housing according to claim 1, characterized in that: The secondary positioning assembly (5) includes a positioning fixing plate (50), a position positioning column (51), an angle positioning column (52) and a compression spring (53). The position positioning column (51) and the angle positioning column (52) are both fixedly fitted on the positioning fixing plate (50). The compression spring (53) is sleeved on the angle positioning column (52). The two ends of the compression spring (53) are respectively limitedly fitted with the product element (6) and the angle positioning column (52). A bushing (54) is provided on the positioning fixing plate (50). The bushing (54) is limitedly fitted with the jacking assembly (4).

6. The secondary positioning and lifting mechanism for a motor housing according to claim 4, characterized in that: The upper surface of the large pallet assembly (30) is provided with a plurality of small pallet positioning diamond pins (36), a plurality of small pallet positioning cylindrical pins (37) and a plurality of first guide sleeves (38); the large pallet assembly (30) is limitedly matched with the small pallet assembly (31) through the plurality of small pallet positioning diamond pins (36) and the plurality of small pallet positioning cylindrical pins (37); the plurality of first guide sleeves (38) are limitedly matched with the jacking assembly (4); a plurality of pulleys (39) are provided around the large pallet assembly (30); the pallet assembly (30) is slidably matched with the conveyor line module (2) through the pulleys (39).

7. The secondary positioning and lifting mechanism for a motor housing according to claim 4, characterized in that: The connecting block (45) is provided with a plurality of adjustable limit blocks (80) and a plurality of high-strength rubber buffer blocks (81), wherein the plurality of adjustable limit blocks (80) are in limited engagement with the lower surface of the jacking fixing plate (41), and the high-strength rubber buffer blocks (81) are in connection with the lower surface of the guide column (43).

8. The secondary positioning and lifting mechanism for a motor housing according to claim 4, characterized in that: The lifting cylinder (42) is provided with a pilot valve (46) and a cylinder magnetic switch (47).

9. The secondary positioning and lifting mechanism for a motor housing according to claim 6, characterized in that: The tooling positioning assembly includes a first positioning diamond pin (82), a first positioning cylindrical pin (83), a plurality of support columns (84), a second positioning diamond pin (85) and a second positioning cylindrical pin (86); the first positioning diamond pin (82), the first positioning cylindrical pin (83), a plurality of support columns (84), the second positioning diamond pin (85) and the second positioning cylindrical pin (86) are all fixedly fitted on the lifting movable plate (40); the first positioning diamond pin (82) and the first positioning cylindrical pin (83) are positioned and fitted with the secondary positioning assembly (5); a plurality of support columns (84) are limitedly fitted with the bottom of the secondary positioning assembly (5); the second positioning diamond pin (85) and the second positioning cylindrical pin (86) are respectively positioned and fitted with a plurality of the first guide sleeves (38).

10. The secondary positioning and lifting mechanism for a motor housing according to claim 6, characterized in that: The small tray assembly (31) is provided with a plurality of second guide sleeves (32), a plurality of quick-change knobs (33), a plurality of product support blocks (34) and a product positioning block (35). The second guide sleeves (32) are respectively limitedly matched with a plurality of small tray positioning diamond pins (36) and a plurality of small tray positioning cylindrical pins (37). The working end of the quick-change knob (33) is limitedly matched with the large tray assembly (30). The product support block (34) is limitedly matched with the product component (6). The product positioning block (35) is limitedly matched with the product component (6) through the product positioning pin.

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