Automatic feeding module and magnetic seat drilling machine
The automatic feed module designed with an external rotor brushless motor solves the problems of low efficiency and high maintenance cost of internal rotor brushed motors, and realizes efficient and low-cost automatic feed for magnetic base drilling rigs.
Patent Information
- Application Number
- CN202423101290.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-16
AI Technical Summary
Existing automatic feeding modules mostly use internal rotor brushed motors, which are inefficient and have high maintenance costs.
The design adopts an external rotor brushless motor, which includes an input gear, gearbox, gear transmission housing, external rotor and stator. The up and down feed of the magnetic base drill spindle is realized through gear transmission, which reduces maintenance costs and improves efficiency.
It achieves automatic feeding function that is simple to install, easy to operate, convenient to maintain and low in cost. The equipment has a high degree of integration and small size.
Smart Images

Figure CN223518673U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to drilling machine technical field especially automatic feeding module and magnetic seat drilling machine. BACKGROUND
[0002] With the development of automatic feeding magnetic seat drilling machine, more and more manufacturers consider installing automatic feeding module when launching magnetic seat drilling machine to reduce the working strength of labor operation personnel. But the automatic feeding module on the market mostly selects internal rotor brush motor, which is not only low in efficiency but also high in maintenance cost, and the present application is proposed for the above defects. CONTENT OF UTILITY MODEL
[0003] The utility model discloses a kind of automatic feeding module and magnetic seat drilling machine, and a kind of external rotor type brushless motor automatic feeding module is presented, which can realize the automatic feeding function of magnetic seat drilling machine, with the characteristics of simple installation, easy operation, high efficiency and low maintenance cost.
[0004] To solve the above problems, the utility model provides an automatic feeding module, which comprises an input gear, a gear box, a gear transmission shell, an external rotor and a stator. The input gear is engaged with the internal gear of the gear box. The gear box has an output shaft. The gear transmission shell is arranged around the gear box and is connected to the input gear through a transmission structure. The external rotor is connected to the gear transmission shell. The external rotor is arranged around the stator. Compared with the traditional internal rotor brush motor, the maintenance is more convenient. When the magnetic field of the stator changes, the rotation of the external rotor is transmitted to the gear box through the gear transmission shell and the input gear, which makes the output shaft of the gear box reverse and outputs, realizing the up-and-down feeding of the main shaft of the magnetic seat drilling machine.
[0005] According to an embodiment of the utility model, the gear transmission shell and the input gear are connected through an input gear connecting rod or other transmission structure.
[0006] According to an embodiment of the utility model, the external rotor and the gear transmission shell are interference-fitted, and can also be fitted by increasing a connecting structure.
[0007] According to an embodiment of the utility model, the automatic feeding module further comprises a motor shell, and the external rotor and the stator are arranged inside the motor shell.
[0008] According to an embodiment of the utility model, the automatic feeding module further comprises a connecting flange, which is arranged on one side of the output shaft of the gear box. The connecting flange is connected to the motor shell, and the connecting flange and the external body are fixed through screws.
[0009] According to one embodiment of the present invention, the automatic feeding module further includes a feeding housing, which together with the motor housing forms a complete housing. The input gear, gearbox, gear transmission housing, outer rotor and stator are installed inside the housing.
[0010] According to one embodiment of the present invention, the inner ring of the stator is connected to the motor housing by a cylindrical pin.
[0011] According to one embodiment of the present invention, the output shaft is connected to a bearing to achieve stable output.
[0012] According to one embodiment of the present invention, the gear transmission housing is connected to the bearing, thereby supporting and stabilizing the gear transmission housing.
[0013] The magnetic drilling rig includes the aforementioned automatic feed module.
[0014] The beneficial effects of this utility model are that by setting an outer rotor, the outer rotor and the stator are combined to form an outer rotor brushless motor. Compared with the traditional inner rotor brushed motor, since the outer rotor is located outside the stator, it is easy to install, easy to operate, easy to maintain and low in cost. In addition, this solution has a higher degree of integration, smaller equipment size and convenient layout. Attached Figure Description
[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0016] Figure 1 This is a schematic diagram of the cross-section of the automatic feed module and the magnetic base drill.
[0017] Figure 2 This is an exploded view of the automatic feed module. Detailed Implementation
[0018] The following description is only intended to disclose the present invention so that those skilled in the art can implement it. The embodiments in the following description are merely examples, and those skilled in the art will conceive of other obvious modifications. The basic principles of the present invention defined in the following description can be applied to other embodiments, modifications, improvements, equivalents, and other solutions that do not depart from the spirit and scope of the present invention.
[0019] The automatic feed module is used to drive the up and down feed of the magnetic drill spindle, such as... Figure 1 , Figure 2 It includes input gear connecting rod 1, input gear 2, gearbox 3, feed housing 4, screw 1 5, outer rotor 6, motor housing 7, connecting flange 8, screw 2 9, bearing 1 10, screw 3 11, stator 12, bearing 2 13, gear transmission housing 14, and cylindrical pin 15.
[0020] The outer rotor 6 and the stator 12 are combined as an outer rotor brushless motor, the outer rotor 6 is located outside the stator 12, the gear transmission shell 14 is located outside the gear box 3, the overall structure has high integration degree, the equipment has small volume, and has the advantages of simple installation and low maintenance cost due to the outer rotor design.
[0021] Specifically, the input gear 2 is installed on the input gear connecting rod 1, the input gear 2 is engaged with the internal gear of the gear box 3, the gear transmission shell 14 is provided with a through hole matched with the input gear connecting rod 1, the handle of the input gear connecting rod 1 is in interference fit with the gear transmission shell 14, when the gear transmission shell 14 rotates, the input gear 2 is driven to rotate, and after the rotation of the input gear 2 is transmitted to the gear box 3 through speed reduction, the output shaft of the gear box 3 is driven to rotate at a reduced speed.
[0022] The outer rotor 6 and the stator 12 are combined as an outer rotor brushless motor, the inner ring of the stator 12 is fixed with the motor shell 7 through the cylindrical pin 15, the motor shell 7 is fixed with the connecting flange 8 through the screw three 11, the connecting flange 8 is fixed with the external machine body through the screw, the outer rotor 6 is in interference fit with the gear transmission shell 14, the motor shell 7 is provided with the bearing two 13 matched with the gear transmission shell 14, when the stator 7 and the outer rotor 6 are in magnetic field induction, the outer rotor 6 rotates to drive the gear transmission shell 14 to rotate.
[0023] The gear box 3 is provided with a threaded hole matched with the connecting flange 8 and is installed with the screw two 9, the connecting flange 8 is provided with a through hole and a bearing hole matched with the gear box 3 and a through hole and a positioning hole matched with the motor shell 7, and the bearing one 10 matched with the output shaft of the gear box 3 is installed at the bearing hole.
[0024] The feeding shell 4 is provided with a bearing hole matched with the gear transmission shell 14 and a threaded hole matched with the motor shell 7, the screw one 5 is installed at the threaded hole to realize the connection between the feeding shell 4 and the motor shell 7.
[0025] The driving circuit controls the magnetic field change of the stator 12, the outer rotor 6 rotates correspondingly, and finally drives the forward and reverse rotation of the output shaft of the gear box 3 through the gear transmission shell 14, the input gear connecting rod 1, the input gear 2 and the gear box 3, and then realizes the up and down feeding of the main shaft of the magnetic base drilling machine through cooperation with other transmission mechanisms.
[0026] The magnetic base drilling machine comprises the automatic feeding module.
[0027] It should be understood by those skilled in the art that the above description and the embodiments of the utility model shown in the drawings are only as examples and do not limit the utility model. The purpose of the utility model has been completely and effectively realized. The function and structural principle of the utility model have been displayed and explained in the embodiments, and the implementation of the utility model can be any deformation and modification without departing from the principle.
Claims
1. An automatic feed module, characterized by: The automatic feeding module comprises an input gear (2), a gear box (3), a gear transmission shell (14), an outer rotor (6) and a stator (12), the input gear (2) is engaged with the internal gear of the gear box (3), the gear box (3) has an output shaft, the gear transmission shell (14) is arranged at the periphery of the gear box (3) and is connected with the input gear (2), the outer rotor (6) is connected with the gear transmission shell (14), the outer rotor (6) is arranged at the periphery of the stator (12), when the magnetic field of the stator (12) changes, the rotation of the outer rotor (6) is transmitted to the gear box (3) through the gear transmission shell (14) and the input gear (2), so that the output shaft of the gear box (3) rotates to realize output.
2. The automatic feed module according to claim 1, characterized in that: The gear transmission shell (14) and the input gear (2) are connected through an input gear connecting rod (1).
3. The automatic feed module of claim 1, wherein: The outer rotor (6) and the gear transmission shell (14) are in interference fit.
4. The automatic feed module according to any one of claims 1-3, characterized in that: The automatic feeding module further comprises a motor shell (7), the outer rotor (6) and the stator (12) are arranged inside the motor shell (7).
5. The automatic feed module according to claim 4, characterized in that: The automatic feeding module further comprises a connecting flange (8), the connecting flange (8) is arranged at one side of the output shaft of the gear box (3), and the connecting flange (8) is connected to the motor shell (7).
6. The automatic feed module according to claim 5, characterized in that: The automatic feeding module further comprises a feeding shell (4), the feeding shell (4) and the motor shell (7) constitute a complete shell.
7. The automatic feed module according to claim 5 or 6, characterized in that: The inner ring of the stator (12) is connected to the motor shell (7) through a cylindrical pin (15).
8. The automatic feed module according to any one of claims 1-3, characterized in that: The output shaft is connected with a bearing one (10).
9. The automatic feed module according to any one of claims 1-3, characterized in that: The gear transmission shell (14) is connected with a bearing two (13).
10. A magnetic pedestal drill, characterized by: The automatic feeding module comprises any one of claims 1-9. The automatic feeding module comprises any one of claims 1-9.