Brushless direct current motor substrate screw fastening device

Abstract

The utility model discloses a direct-current brushless motor substrate screw fastening device, belongs to the technical field of motor assembly processes, and aims to solve the problems that a substrate needs to be subjected to program input firstly and then is fixed on a bearing support through screws, one person needs to complete operation in two steps, and the efficiency is low, and the direct-current brushless motor substrate screw fastening device comprises a bottom plate, side plates are detachably mounted on the two sides of the top end of the bottom plate, two containing grooves are formed in the top ends of the two side plates, springs are fixedly mounted on the side plates in the containing grooves, guide shafts are fixedly mounted on the side plates in the containing grooves, the guide shafts are sleeved with the springs, and tool clamps are fixedly mounted at the top ends of the springs; through the arrangement of structures such as the communicating groove, the first mounting block, the switch, the second mounting block, the probe, the contact and the program entry device, programs can be conveniently added into the substrate, through the arrangement of the screw feeder and the electric screwdriver, the two steps of program entry and screw fastening are combined into a whole, the operation time is shortened, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of motor assembly technology, and in particular relates to a screw fastening device for a DC brushless motor baseboard. Background Art

[0002] The brushless DC motor is composed of a motor body and a driver, and is a typical mechatronics product. A brushless motor is a motor without brushes and a commutator, also known as a commutatorless motor, which has been widely used.

[0003] The existing process for this type of motor is that the base plate needs to be entered into the program first, and then the base plate is fixed to the bearing bracket with screws. When one person is working, it must be completed in two steps, which is inefficient.

[0004] Therefore, a DC brushless motor substrate screw fastening device is needed to solve the problem in the prior art that the substrate needs to be entered into a program first, and then the substrate is fixed to the bearing bracket with screws. When one person works, it must be completed in two steps, which is inefficient. Utility Model Content

[0005] The utility model aims to provide a screw fastening device for a brushless DC motor substrate to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a screw fastening device for a DC brushless motor substrate, comprising a bottom plate, side plates are detachably installed on both sides of the top of the bottom plate, and two accommodating grooves are provided on the tops of the two side plates, and the side plates are fixedly installed with springs in the accommodating grooves, and the side plates are fixedly installed with guide shafts in the accommodating grooves, and the spring sleeve is arranged on the outside of the guide shaft, and a tool fixture is fixedly installed on the top of the spring, and a limit ring is fixedly installed on the top of the tool fixture, and a bearing bracket is movably sleeved on the top of the limit ring, and a bearing bracket is fixedly installed on the side end of the bearing bracket. A limit block is fixedly installed on the top of the limit block, and a first threaded hole is provided on the top of the limit block, and a substrate body is movably sleeved on the outer surface of the bearing bracket, and through holes are provided on both sides of the top of the substrate body, a program entry mechanism is provided on the side ends of the side plates, and a screw mounting mechanism is provided on one side of the bottom plate.

[0007] It should be noted in the scheme that the program entry mechanism includes a connecting groove, a first mounting block, a switch, a second mounting block, a probe, a contact and a program entry device, the connecting groove is opened at the top of the tooling fixture, the first mounting block is fixedly installed on one side of one of the side panels, the second mounting block is fixedly installed on one side of the other side panel, the switch is fixedly installed on the top of the first mounting block, the probe is fixedly installed on the top of the second mounting block, the contact is fixedly installed on the bottom end of the substrate body, the program entry device is located on one side of the bottom plate, the program entry device, the probe and the switch are all electrically connected, the probe is located in the connecting groove, and the contact is located directly above the connecting groove.

[0008] It is further worth noting that second threaded holes are provided on both sides of the bottom plate, and the bottom plate and the side plates are fixed by bolts.

[0009] It should be further explained that the through hole corresponds to the first threaded hole.

[0010] As a preferred implementation, the screw installation mechanism includes a screw feeder and an electric screwdriver, the screw feeder is located on one side of the base plate, and the electric screwdriver is fixedly connected to the screw feeder.

[0011] As a preferred implementation, movable holes are provided on both sides of the top of the fixture, and the guide shaft is movably plugged into the movable holes.

[0012] Compared with the prior art, the screw fastening device for a brushless DC motor substrate provided by the utility model has at least the following beneficial effects:

[0013] Through the arrangement of structures such as the connecting groove, the first mounting block, the switch, the second mounting block, the probe, the contact and the program input device, it is convenient to add programs to the substrate body. Through the arrangement of the screw feeder and the electric screwdriver, the two steps of program input and screw tightening are combined into one, which reduces the operation time and improves the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a bottom plate structural schematic diagram of the utility model;

[0016] Figure 3 This is a schematic diagram of the bottom plate structure from a top view of the present utility model;

[0017] Figure 4 This is a schematic diagram of the fixture structure of the utility model;

[0018] Figure 5This is a schematic diagram of the bearing bracket structure of the utility model.

[0019] In the figure: 1. bottom plate; 2. side plate; 3. receiving groove; 4. guide shaft; 5. spring; 6. fixture; 7. limit ring; 8. bearing bracket; 9. base plate body; 10. through hole; 11. limit block; 12. first threaded hole; 13. connecting groove; 14. first mounting block; 15. switch; 16. second mounting block; 17. probe; 18. contact; 19. program input device; 20. second threaded hole; 21. screw feeder; 22. electric screwdriver; 23. movable hole. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments 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.

[0021] See also Figure 1-5 The utility model provides a screw fastening device, including a bottom plate 1, side plates 2 are detachably installed on both sides of the top of the bottom plate 1, two accommodating grooves 3 are provided on the tops of the two side plates 2, springs 5 ​​are fixedly installed in the accommodating grooves 3 on the side plates 2, guide shafts 4 are fixedly installed in the accommodating grooves 3 on the side plates 2, springs 5 ​​are sleeved on the outside of the guide shafts 4, a tooling fixture 6 is fixedly installed on the top of the tooling fixture 6, a limiting ring 7 is fixedly installed on the top of the tooling fixture 6, a bearing bracket 8 is movably sleeved on the top of the limiting ring 7, a limiting block 11 is fixedly installed on the side end of the bearing bracket 8, a first threaded hole 12 is provided on the top of the limiting block 11, a substrate body 9 is movably sleeved on the outer surface of the bearing bracket 8, and through holes 10 are provided on both sides of the top of the substrate body 9, a program entry mechanism is provided on the side ends of the side plates 2, and a screw installation mechanism is provided on one side of the bottom plate 1, which combines the two steps of program entry and screw fastening into one, reduces the operation time, and improves the production efficiency.

[0022] Further Figure 2-5As shown, it is worth specifically explaining that the program entry mechanism includes a connecting groove 13, a first mounting block 14, a switch 15, a second mounting block 16, a probe 17, a contact 18 and a program entry device 19, the connecting groove 13 is opened at the top of the fixture 6, the first mounting block 14 is fixedly mounted on one side of a side plate 2, the second mounting block 16 is fixedly mounted on one side of the other side plate 2, the switch 15 is fixedly mounted on the top of the first mounting block 14, the probe 17 is fixedly mounted on the top of the second mounting block 16, the contact 18 is fixedly mounted on the bottom end of the substrate body 9, the program entry device 19 is located on one side of the base plate 1, the program entry device 19, the probe 17 and the switch 15 are all electrically connected, the probe 17 is located in the connecting groove 13, and the contact 18 is located directly above the connecting groove 13. Through the arrangement of structures such as the connecting groove 13, the first mounting block 14, the switch 15, the second mounting block 16, the probe 17, the contact 18 and the program entry device 19, it is convenient to add a program to the substrate body 9.

[0023] Further Figure 2 and Figure 3 As shown, it is worth explaining in detail that second threaded holes 20 are opened on both sides of the bottom plate 1, and the bottom plate 1 and the side plates 2 are fixed by bolts, and are connected and fixed by bolts, which is convenient for disassembly and assembly.

[0024] This solution has the following working process: the bearing bracket 8 of the motor is mounted on the limit ring 7, and then the substrate body 9 of the motor is mounted on the bearing bracket 8. The operator holds the substrate body 9 with his left hand and presses it down gently. The fixture 6 drives the substrate body 9 to move downward, so that the probe 17 on the fixture first contacts the contact 18 of the substrate body 9. The fixture continues to move downward and contacts the button switch 15 to start the program entry function. The program entry device 19 enters the program into the substrate body 9 through the connected probe 17.

[0025] According to the above working process, it can be known that: through the arrangement of structures such as the connecting groove 13, the first mounting block 14, the switch 15, the second mounting block 16, the probe 17, the contact 18 and the program input device 19, it is convenient to add programs to the substrate body 9, and the two steps of program input and screw tightening are combined into one, which reduces the operation time and improves production efficiency.

[0026] Further Figure 2 and Figure 5 As shown, it is worth explaining in detail that the through hole 10 corresponds to the first threaded hole 12, so that the bolt passes through the through hole 10 and the first threaded hole 12 for connection.

[0027] Further Figure 1 and Figure 5As shown, it is worth explaining in detail that the screw installation mechanism includes a screw feeder 21 and an electric screwdriver 22. The screw feeder 21 is located on one side of the base plate 1, and the electric screwdriver 22 is fixedly connected to the screw feeder 21. While recording the program, the operator holds the electric screwdriver 22 in his right hand, passes the screw through the through hole 10 of the substrate body 9 and threadedly installs it in the threaded hole of the bearing bracket 8, and fastens the substrate to the bearing bracket 8. Through the setting of the screw feeder 21 and the electric screwdriver 22, in conjunction with the program entry mechanism, the two steps of program entry and screw tightening are combined into one, which reduces the operation time and improves production efficiency.

[0028] Further Figure 1 , Figure 2 and Figure 3 As shown, it is worth explaining in detail that movable holes 23 are opened on both sides of the top of the fixture 6, and the guide shaft 4 is movably plugged into the movable holes 23. When the fixture 6 is pressed, the guide shaft 4 passes through the movable holes 23.

[0029] In summary: through the arrangement of structures such as the connecting groove 13, the first mounting block 14, the switch 15, the second mounting block 16, the probe 17, the contact 18 and the program input device 19, it is convenient to add programs to the substrate body 9. Through the arrangement of the screw feeder 21 and the electric screwdriver 22, the two steps of program input and screw tightening are combined into one, which reduces the operation time and improves production efficiency.

[0030] The switch 15, probe 17, program input device 19, screw feeder and electric screwdriver 22 can all be purchased on the market. The switch 15, probe 17, program input device 19, screw feeder and electric screwdriver 22 are all equipped with power supplies, which are mature technologies in this field and have been fully disclosed, so they are not repeated in the specification.

[0031] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

[0032] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A screw fastening device for a brushless DC motor substrate, comprising a base plate (1), characterized in that: Side plates (2) are detachably mounted on both sides of the top of the bottom plate (1), and two receiving grooves (3) are provided at the tops of the two side plates (2). A spring (5) is fixedly mounted in the receiving groove (3) of the side plate (2), and a guide shaft (4) is fixedly mounted in the receiving groove (3) of the side plate (2). The spring (5) is sleeved on the outside of the guide shaft (4), and a tooling fixture (6) is fixedly mounted on the top of the spring (5). The top of the tooling fixture (6) is fixedly mounted with a limited A positioning ring (7), the top end of the positioning ring (7) is movably sleeved with a bearing bracket (8), the side end of the bearing bracket (8) is fixedly mounted with a limiting block (11), the top end of the limiting block (11) is provided with a first threaded hole (12), the outer surface of the bearing bracket (8) is movably sleeved with a base plate body (9), both sides of the top end of the base plate body (9) are provided with through holes (10), the side end of the side plate (2) is provided with a program input mechanism, and one side of the bottom plate (1) is provided with a screw installation mechanism.

2. A screw fastening device for a brushless DC motor substrate according to claim 1, characterized in that: The program input mechanism comprises a connecting groove (13), a first mounting block (14), a switch (15), a second mounting block (16), a probe (17), a contact (18) and a program input device (19), wherein the connecting groove (13) is provided at the top of the fixture (6), the first mounting block (14) is fixedly mounted on one side of one of the side plates (2), the second mounting block (16) is fixedly mounted on one side of the other side plate (2), and the switch (15) is fixedly mounted on the The probe (17) is fixedly mounted on the top of the first mounting block (14), the probe (17) is fixedly mounted on the top of the second mounting block (16), the contact (18) is fixedly mounted on the bottom of the substrate body (9), the program input device (19) is located on one side of the base plate (1), the program input device (19), the probe (17) and the switch (15) are all electrically connected, the probe (17) is located in the connecting groove (13), and the contact (18) is located directly above the connecting groove (13).

3. A screw fastening device for a brushless DC motor substrate according to claim 2, characterized in that: Second threaded holes (20) are provided on both sides of the bottom plate (1), and the bottom plate (1) and the side plates (2) are fixed by bolts.

4. A screw fastening device for a brushless DC motor substrate according to claim 3, characterized in that: The through hole (10) corresponds to the first threaded hole (12).

5. A screw fastening device for a brushless DC motor substrate according to claim 4, characterized in that: The screw installation mechanism comprises a screw feeder (21) and an electric screwdriver (22); the screw feeder (21) is located on one side of the base plate (1); and the electric screwdriver (22) is fixedly connected to the screw feeder (21).

6. A screw fastening device for a brushless DC motor substrate according to claim 1, characterized in that: Both sides of the top end of the fixture (6) are provided with movable holes (23), and the guide shaft (4) is movably plugged into the movable holes (23).

Images