Air cooling equipment for batch parts

Abstract

The utility model discloses air cooling equipment for batch parts. The air cooling equipment comprises a workbench, a table top, air inlet holes, a circulating conveying line, a positioning tool and an axial flow fan. An air cooler is arranged on one side of the working table, is connected with the working table through a cooling pipeline and provides cold air for the space above the table top; an upper frame is further arranged on the working table, the upper frame is arranged on the table top in a covering mode, and an exhaust fan is arranged on the upper frame. The air cooling equipment has a strong cooling effect, can carry out air cooling on the parts in batches, rapidly reduces the temperature of the parts, carries out cooling in a continuous operation mode, reduces the waiting time, is high in cooling efficiency, is high in universality, can be suitable for rapid cooling of the parts of various models, and is suitable for popularization and application. And the utilization rate of the equipment is high.

Description

Technical Field

[0001] The utility model relates to the technical field of component cooling, in particular to air cooling equipment for batch components. Background Art

[0002] Some parts will be heated during the production and assembly process in order to complete one step of the assembly, and the heated parts need to be cooled before being transferred to the next process. For example, in the new energy vehicle motor rotor assembly production line, the rotor needs to be heated to 175°C before the press-fit operation, and the pressed rotor needs to be cooled to below 40 degrees for the subsequent assembly of the rotor.

[0003] The existing cooling method is water cooling, which uses the factory water circulation system to connect to the tooling, clamps the product, and uses the circulation of water to take away the heat of the product to achieve a cooling effect. This design method is only suitable for the production of a single product. When it is necessary to increase the product model, the cooling tooling needs to be replaced and the water line needs to be cut off, which is a cumbersome operation. Summary of the invention

[0004] The utility model aims to provide an air cooling device for batch parts in view of the problems existing in the prior art.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A wind cooling device for batch parts includes a workbench, a plurality of air inlet holes are arranged on the workbench surface, a circulating conveyor line is arranged on the workbench, a plurality of positioning fixtures are arranged on the circulating conveyor line, the positioning fixtures are used to place the parts to be cooled, and a plurality of groups of axial flow fans are arranged on the workbench near the circulating conveyor line; a cold air fan is arranged on one side of the workbench, the cold air fan is connected to the workbench through a cooling duct and provides cold air for the space above the workbench; an upper frame is also arranged on the workbench, the upper frame cover is arranged on the workbench, and an exhaust fan is arranged on the upper frame.

[0007] This air cooling equipment has a strong cooling effect. It can cool parts in batches and quickly reduce the temperature of parts. It cools by continuous operation, which reduces waiting time. It has high cooling efficiency. In addition, the equipment is highly versatile and can be used for rapid cooling of parts of various models. The utilization rate of the equipment is high.

[0008] The air-cooling device provides a cooling medium (such as cooling air) through the air cooler, and the cooling pipe transports the cooling air to the space above the workbench. The axial flow fan can be used to accelerate the cold air, enhance the flow of cold air, and improve the cooling effect; the air inlet holes arranged on the table can introduce cold air into the space above, and can also introduce cold air from the outside of the workbench into the space above.

[0009] Dozens of positioning fixtures can be set on the circulating conveyor line, and these positioning fixtures can be driven to circulate. By setting a long path and operating speed, the parts placed on the positioning fixtures can be cooled from the process of entering to leaving, greatly improving the cooling efficiency of the parts.

[0010] Furthermore, the table top includes a plurality of first table panels and a second table panel, wherein the plurality of first table panels are distributed on the path of the circulation conveying line, the cooling pipe is connected to the bottom of one of the first table panels, and the second table panel is provided with a plurality of air inlet holes arranged in an array.

[0011] Furthermore, a plurality of cavities are provided below the table top, an air inlet hood is provided below the cavities, and the end of the cooling pipe is connected to the air inlet hood.

[0012] Furthermore, the axial flow fan includes a plurality of groups arranged longitudinally and / or transversely, and the axial flow fan is installed on the table top through a plurality of support frames, and the height of the axial flow fan is not lower than the height of the circulating conveying line.

[0013] Furthermore, the upper frame has an exposed operating position on the table top, the circulating conveyor line passes through the operating position, and the operating position is used for upper and lower parts; a plurality of openable and closable windows and doors are also provided around the upper frame, and the exhaust fan is arranged on the top of the upper frame.

[0014] Furthermore, the circulating conveyor line includes a guide frame installed on the table, the guide frame is arranged in a circuitous manner, sprockets are respectively provided at the turning points of the guide frame, the sprockets are installed on the workbench through connecting shafts, at least one of the connecting shafts is connected to a driving motor through a transmission member, and a plurality of the sprockets are connected to a circulating chain, the circulating chain is arranged in a circulation along the guide frame, and the chain plates of the circulating chain are connected to the positioning fixture. The driving motor and the transmission member drive the connecting shaft to rotate, which can drive the sprocket to rotate, thereby driving the circulating chain to operate, so that the positioning fixture moves in a circulation manner.

[0015] Furthermore, the guide frame includes a guide base plate, which is connected to a guide cover plate via a plurality of connecting columns, a guide groove is provided in the middle of the guide cover plate along a circulation path, and the positioning tool is provided on the guide cover plate and circulates along the guide groove.

[0016] Furthermore, the guide cover plate includes several pairs of parallel arranged straight plates, and multiple arc plates and sprocket cover plates connected to the straight plates. The arc plates are respectively arranged on the outside of the steering position, and the sprocket cover plates are respectively arranged above the position of the sprocket.

[0017] Furthermore, the positioning tool comprises a tool bracket, a bottom plate of the tool bracket is provided with a plurality of first movable wheels, and a second movable wheel is connected to the bottom plate of the tool bracket via a wheel frame.

[0018] Compared with the prior art, the beneficial effects of the utility model are as follows: 1. The air cooling device has a strong cooling effect, can perform air cooling on parts in batches, quickly reduce the temperature of parts, and cool by continuous operation, which reduces waiting time, has high cooling efficiency, and has strong versatility. It can be applied to the rapid cooling of parts of various models, and has a high utilization rate of the equipment; 2. The air cooling device is particularly suitable for cooling the motor rotor of new energy vehicles. Motor rotors of different models can be placed on the positioning fixture for cyclic cooling, and the air cooling device can be put into the assembly line of motor rotors of new energy vehicles, continuously cool the assembled motor rotor, and cool the motor rotor after press-fitting and heating to within 40° within the time limit of the production cycle; 3. The air cooling device provides cooling air through the air cooler, and the cooling pipe conveys the cooling air; 4. Dozens of positioning fixtures can be set on the circulating conveying line, and these positioning fixtures can be driven to circulate. By setting the long path and the operating speed, the parts placed on the positioning fixture can be cooled from entering to leaving, which greatly improves the cooling efficiency of the parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of an air cooling device for batch parts of the utility model;

[0020] Figure 2 The schematic diagram of the connection structure between the bottom of the workbench and the cooling pipe of the utility model Figure 2 ;

[0021] Figure 3 It is a structural schematic diagram of the circulating conveyor line (with positioning tooling) above the workbench of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the circulating conveyor line above the workbench of the utility model (without the positioning tooling);

[0023] Figure 5 This is a schematic diagram of the structure of the circulation conveying line of the utility model;

[0024] Figure 6 This is a schematic diagram of the guide frame (with the sprocket disc cover hidden) of the circular conveyor line of the utility model;

[0025] Figure 7 This is a schematic diagram of the layout of the axial flow fan of the utility model;

[0026] Figure 8 This is a schematic diagram of the bottom structure of the second panel of the utility model;

[0027] Fig. 9 This is a schematic diagram of the structure of the positioning tooling of the utility model;

[0028] In the figure: 1. workbench; 2. table top; 201. first table panel; 202. second table panel; 2021. folding structure; 2022. reinforcement plate; 3. air inlet hole; 4. circulation conveyor line; 5. positioning tooling; 501. tooling bracket; 502. first moving wheel; 503. wheel frame; 504. second moving wheel; 6. axial flow fan; 7. air cooler; 8. cooling duct; 9. air inlet hood; 10. upper frame; 11. exhaust fan; 12. support frame; 13. operating position; 14. guide frame; 1401. guide bottom plate; 1402. connecting column; 1403. straight plate; 1404. arc plate; 1405. sprocket cover plate; 1406. guide groove; 15. sprocket; 16. transmission member; 17. driving motor. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the utility model to clearly and completely describe the technical solution of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "middle", "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, and 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 direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0031] like Figures 1 to 9As shown, an air cooling device for batch parts includes a workbench 1, a table top 2 of the workbench 1 is provided with a plurality of air inlet holes 3, a circulating conveyor line 4 is arranged on the table top 2, a plurality of positioning fixtures 5 are provided on the circulating conveyor line 4, and the positioning fixtures 5 are used to place the parts to be cooled, and a plurality of groups of axial flow fans 6 are arranged on the table top 2 near the circulating conveyor line 4; a cold air fan 7 is provided on one side of the workbench 1, and the cold air fan 7 is connected to the workbench 1 through a cooling pipe 8 and provides cold air for the space above the table top 2; an upper frame 10 is also provided on the workbench 1, and the upper frame 10 is covered on the table top 2, and an exhaust fan 11 is provided on the upper frame 10.

[0032] This air cooling equipment has a strong cooling effect. It can cool parts in batches and quickly reduce the temperature of parts. It cools by continuous operation, which reduces waiting time. It has high cooling efficiency. In addition, the equipment is highly versatile and can be used for rapid cooling of parts of various models. The utilization rate of the equipment is high.

[0033] This air cooling equipment is particularly suitable for cooling the motor rotors of new energy vehicles. Motor rotors of different models can be placed on the positioning fixture for circulation cooling. Moreover, this air cooling equipment can be put into the assembly production line of motor rotors of new energy vehicles to continuously cool the assembled motor rotors and cool the motor rotors after press-fitting and heating to within 40° within the time limit of the production cycle.

[0034] The air cooling device provides a cooling medium (such as cooling air) through the air cooler 7, and the cooling pipe 8 transports the cooling air to the space above the workbench 1. The axial flow fan 6 can be used to accelerate the cold air, enhance the flow of cold air, and improve the cooling effect; the air inlet hole 3 arranged on the table top 2 can introduce cold air into the space above, and can also introduce cold air outside the workbench into the space above.

[0035] The upper frame 10 is similar to a cover, which can form a closed space on the workbench so that cold air can cool the parts in this space. The exhaust fan 11 is set to discharge the hot air after heat exchange. It is generally connected to the exhaust fan through a pipeline to exhaust the hot air into the engineering waste pipe to prevent the hot air from escaping directly into the workshop.

[0036] Dozens of positioning fixtures 5, for example, 40, can be arranged on the circulating conveyor line 4, and these positioning fixtures 5 can be driven to perform a circulating operation. By setting a long path and an operating speed, the parts placed on the positioning fixtures 5 can be cooled from the process of entering to leaving, thereby greatly improving the cooling efficiency of the parts.

[0037] Furthermore, the table top 2 includes a plurality of first table panels 201 and a second table panel 202, wherein the plurality of first table panels 201 are distributed on the path of the circulating conveying line 4, the cooling pipe 8 is connected to the bottom of a middle piece of the first table panel, and the second table panel 202 is provided with a plurality of air inlet holes 3 arranged in an array.

[0038] The first table top 201 is a whole plate structure, and no air inlet holes are required on the top. As a supporting component, it can better connect and install the circulating conveyor line 4 to ensure sufficient supporting force; the second table panel 202 is arranged alternately with the first table panel 201, and cold air is introduced through the air inlet holes on the second table panel 202. The second table panel 202 is relatively light and thin.

[0039] In some embodiments, the second table panel 202 is a thin plate, and folding structures 2021 are respectively provided on four sides of the thin plate to facilitate its connection and installation. A plurality of reinforcing plates 2022 are arranged on the bottom surface between the folding structures 2021 to improve the strength.

[0040] Furthermore, a plurality of cavities are provided under the table top 2, and an air inlet cover 9 is provided under the cavity, and the end of the cooling pipe 8 is connected to the air inlet cover 9. These cavities cover some of the first table panels and the second table panels, and can receive the cold air delivered by the cooling pipe, and the cold air then escapes into the upper space through these air inlet holes.

[0041] Furthermore, the axial flow fan 6 includes a plurality of groups arranged longitudinally and / or transversely, and the axial flow fan 6 is installed on the table top through a plurality of support frames 12, and the height of the axial flow fan 6 is not lower than the height of the circulation conveying line.

[0042] The axial flow fan 6 is installed on the support frame 12, and the direction of the air outlet of the axial flow fan can be adjusted to allow it to better cool the components.

[0043] Furthermore, the upper frame 10 has an exposed operating position 13 on the table top 2, and the circulating conveyor line 4 passes through the operating position 13, and the operating position 13 is used for upper and lower parts; a plurality of openable and closable windows and doors are also provided around the upper frame 10, and the exhaust fan 11 is arranged on the top of the upper frame 10.

[0044] The operating position 13 can accommodate two positioning fixtures 5 at the same time, so that loading and unloading operations can be performed at this position at the same time, that is, a component after a cycle cooling is removed from the positioning fixture by using a robot gripper, and another component to be cooled is placed in at the same time.

[0045] A positioning mechanism may also be provided at the operating position 13. A photoelectric sensor may be provided on the positioning mechanism to detect whether the positioning tool has been moved to this position and is in place, so as to accurately perform loading and unloading operations.

[0046] Furthermore, the circulating conveyor line 4 includes a guide frame 14 installed on the table top 2, the guide frame 14 is arranged in a circuitous manner, and sprocket plates 15 are respectively provided at the turning points of the guide frame 14. The sprocket plates 15 are installed on the workbench through connecting shafts, at least one of the connecting shafts is connected to a driving motor 17 through a transmission member 16, and several of the sprocket plates 15 are connected to circulating chains, and the circulating chains are arranged in a circular manner along the inside of the guide frame 14, and the chain plates of the circulating chains are connected to the positioning tooling 5.

[0047] The guide frame 14 includes at least four straight sections, and five turns can be set on the four straight sections, so that the moving path of the circulating conveyor line can be extended, so that the parts placed thereon can be moved over a long distance to achieve cooling in one cycle.

[0048] The sprocket disc 15 may be driven or active. The active one is connected with the transmission member 16 and the drive motor 17. The drive motor 17 and the transmission member 16 may be arranged below the table 2. The sprocket disc 15 may be driven to rotate by driving the connection shaft to rotate, thereby driving the circulating chain to operate. The bottom plate or wheel frame of the positioning fixture 5 may be connected to the chain plate through a connecting member so that the positioning fixture can be driven to move synchronously when the circulating chain is in operation; the circulating chain may also be connected to the wheel below the positioning fixture to drive the positioning fixture to move.

[0049] Furthermore, the guide frame 14 includes a guide base plate 1401, and a guide cover plate is connected to the guide base plate 1401 via a plurality of connecting columns 1402. A guide groove 1406 is provided in the middle of the guide cover plate along a circulation path. The positioning tool 5 is provided on the guide cover plate and circulates along the guide groove 1406.

[0050] The guide cover plate includes several pairs of parallel arranged straight plates 1403, and multiple arc plates 1404 and sprocket cover plates 1405 connected to the straight plates 1403. The arc plates 1404 are respectively arranged on the outside of the steering position, and the sprocket cover plates 1405 are respectively arranged above the position of the sprocket 15.

[0051] Through the above arrangement, the circulating chain can be provided in the area between the guide base plate 1401 and the guide cover plate, and the guide groove 1406 is provided so that the wheel frame of the positioning tool 5 can pass through.

[0052] Furthermore, the positioning tool 5 includes a tool support 501 , a bottom plate of which is provided with a plurality of first moving wheels 502 , and a second moving wheel 504 is connected to the bottom plate of the tool support 501 via a wheel frame 503 .

[0053] A locking limit groove is provided above the tooling bracket 501 for fixing the components placed thereon; the first movable wheels 502 are four symmetrically arranged, which are disposed on both sides of the guide groove 1406 and are rollingly supported on the guide cover plate; the wheel frame 503 can pass through the guide groove 1406, allowing the second movable wheel 504 to be rollingly supported on the guide base plate 1401. Through such an arrangement, it can not only play a better guiding and limiting role, but also maintain the moving stability of the positioning tooling.

[0054] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An air cooling device for batch parts, characterized in that: It comprises a workbench, a plurality of air inlet holes are arranged on the workbench surface, a circulating conveying line is arranged on the workbench, a plurality of positioning fixtures are arranged on the circulating conveying line, the positioning fixtures are used to place parts to be cooled, and a plurality of groups of axial flow fans are arranged on the workbench near the circulating conveying line; a cooling air fan is arranged on one side of the workbench, the cooling air fan is connected to the workbench through a cooling pipe, and provides cold air for the space above the workbench; an upper frame is also arranged on the workbench, the upper frame cover is arranged on the workbench, and an exhaust fan is arranged on the upper frame.

2. The air cooling device for batch parts according to claim 1 is characterized in that: The table top includes a plurality of first table panels and a second table panel, wherein the plurality of first table panels are distributed on the path of the circulation conveying line, the cooling duct is connected to the bottom of one of the first table panels, and the second table panel is provided with a plurality of air inlet holes arranged in an array.

3. The air cooling device for batch parts according to claim 1 is characterized in that: A plurality of cavities are arranged below the table top, an air inlet hood is arranged below the cavities, and the end of the cooling pipeline is connected to the air inlet hood.

4. The air cooling device for batch parts according to claim 1, characterized in that: The axial flow fans include multiple groups arranged longitudinally and / or transversely. The axial flow fans are installed on the table top through a plurality of support frames. The height of the axial flow fans is not lower than the height of the circulation conveying line.

5. The air cooling device for batch parts according to claim 1, characterized in that: The upper frame has an exposed operating position on the table top, the circulating conveyor line passes through the operating position, and the operating position is used for upper and lower parts; a plurality of openable and closable windows and doors are also provided around the upper frame, and the exhaust fan is arranged on the top of the upper frame.

6. The air cooling device for batch parts according to claim 1, characterized in that: The circulating conveyor line includes a guide frame installed on the table top, the guide frame is arranged in a circuitous manner, sprockets are respectively provided at the turning points of the guide frame, the sprockets are installed on the workbench through connecting shafts, at least one of the connecting shafts is connected to a driving motor through a transmission member, and several of the sprockets are connected to circulating chains, the circulating chains are arranged in a circular manner along the guide frame, and the chain plates of the circulating chains are connected to the positioning tooling.

7. The air cooling device for batch parts according to claim 6, characterized in that: The guide frame comprises a guide base plate, a guide cover plate is connected to the guide base plate via a plurality of connecting columns, a guide groove is arranged in the middle of the guide cover plate along a circulation path, and the positioning tool is arranged on the guide cover plate and circulates along the guide groove.

8. The air cooling device for batch parts according to claim 7, characterized in that: The guide cover plate includes a plurality of pairs of parallel arranged straight plates, and a plurality of arc plates and sprocket cover plates connected to the straight plates. The arc plates are respectively arranged on the outside of the steering positions, and the sprocket cover plates are respectively arranged above the positions of the sprocket plates.

9. The air cooling device for batch parts according to claim 1, characterized in that: The positioning tool comprises a tool support, a bottom plate of the tool support is provided with a plurality of first moving wheels, and a second moving wheel is connected to the bottom plate of the tool support via a wheel frame.

Images