A spindle box with lubrication structure

Abstract

The patent of the present invention relates to the technical field of spindle boxes, and discloses a spindle box with a lubrication structure, including a protective box and a driving shaft, a box plate is provided at one end of the protective box, a threaded rod is provided between the box plate and the protective box, a motor is provided at the other end of the protective box, a guide rail is provided on the top of the protective box, a sliding cover is provided on the top of the guide rail, a driving shaft is provided at the end of the motor, a connecting frame is fixedly connected to the outer side of the driving shaft, oil boxes are provided at the four corners of the connecting frame, a mesh port is provided on the bottom surface of the oil box, and a sealing plug is provided on the top of the oil box; the patent of the present invention can rotate the oil box through the rotation of the driving shaft and the use of the connecting frame, and the lubricant can be spilled and dripped into the interior of the device by using the mesh port, and four oil boxes evenly distributed in an annular shape are provided inside the device, and the lubricant can be evenly dripped into the interior of the device during rotation to improve the lubrication effect.

Description

Technical Field

[0001] The patent of this invention relates to the technical field of spindle boxes, specifically a spindle box with a lubrication structure. Background Art

[0002] The spindle box is an important part of the machine tool. It is used to arrange the working spindle of the machine tool and its transmission parts and corresponding additional mechanisms. The spindle box is a complex transmission component, including the spindle assembly, reversing mechanism, transmission mechanism, braking device, operating mechanism and lubrication device. Its main function is to support the spindle and make it rotate, and realize the functions of spindle starting, braking, speed change and reversing. The spindle box adopts multi-stage gear transmission. Through a certain transmission system, through the transmission gears and transmission shafts at various positions in the spindle box, the movement is finally transmitted to the spindle, so that the spindle obtains the specified speed and direction.

[0003] The Chinese patent with patent application publication number CN217474863U discloses a spindle box structure with cooling function, including a spindle box, a spindle is arranged inside the spindle box and extends outward, a transition adapter connected to an external cutting fluid system is symmetrically installed at the front end of the spindle box, a cavity is opened inside the spindle box, and a nozzle is connected to the bottom end of the spindle box. The utility model realizes the functions of cooling the spindle and the spindle box at the same time. Cooling the spindle box can greatly reduce the thermal deformation of the spindle box, improve the machining accuracy, save a set of spindle cooling systems and peripheral chillers, and save costs.

[0004] However, the spindle box structure with cooling function provided in the above technical solution still has many disadvantages in actual use. For example, when adding lubricant inside, the spindle box needs to be disassembled, which makes the operation more troublesome, and when adding lubricant, it cannot be added evenly, so that the lubrication effect is not ideal, resulting in poor practicality.

[0005] Invention patent content

[0006] The purpose of the patent of this invention is to provide a spindle box with a lubrication structure, which solves the problem that when adding lubricant to the inside of the existing spindle box, the spindle box needs to be disassembled and assembled, which makes the operation more troublesome, and the lubricant cannot be added evenly, resulting in an unsatisfactory lubrication effect and poor practicality.

[0007] To achieve the above-mentioned purpose, the patent of the present invention provides the following technical solutions: a spindle box with a lubrication structure, comprising a protective box and a driving shaft, a box plate is provided at one end of the protective box, a threaded rod is provided between the box plate and the protective box, a motor is provided at the other end of the protective box, a guide rail is provided at the top of the protective box, a sliding cover is provided at the top of the guide rail, and the sliding cover and the guide rail are connected by a slider, a driving shaft is provided at the end of the motor, and the driving shaft and the motor are threadedly connected, a connecting frame is fixedly connected to the outside of the driving shaft, an oil box is provided at the four corners of the connecting frame, a mesh port is provided on the bottom surface of the oil box, a sealing plug is provided at the top of the oil box, and the sealing plug and the oil box are threadedly connected, an annular slide rail is provided at the outside of the oil box, and the oil box and the annular slide rail are connected by a slider, the annular slide rail and the protective box are fixedly connected, a main gear is provided on one side of the connecting frame, a bearing is provided in the middle of the protective box, a driven shaft is provided in the middle of the bearing, and the driven shaft and the bearing are sleeved, and a secondary gear is provided on the outside of the driven shaft.

[0008] Preferably, a lifting rod is provided at the bottom end of the protective box, a bottom plate is provided at the bottom of the lifting rod, a soft rubber pad is provided on the bottom surface of the bottom plate, and the soft rubber pad and the bottom plate are bonded, positioning holes are provided at the four corners of the bottom plate, and the top surface of the soft rubber pad is in contact with the bottom surface of the bottom plate.

[0009] Preferably, a telescopic rod is provided on the outer side of the box plate, a protective frame is provided at the end of the telescopic rod, and the telescopic rod and the box plate are threadedly connected, and the threaded rod passes through the box plate and the protective box to form a threaded connection.

[0010] Preferably, a cooling frame is fixedly connected to the outer side of the motor, a piston is provided on the top of the cooling frame, and the piston and the cooling frame are threadedly connected, and the inner side of the cooling frame fits with the outer side of the motor.

[0011] Preferably, the guide rail is symmetrical about the vertical center line of the protection box, and the sliding cover forms a sliding structure between the slider and the guide rail.

[0012] Preferably, the connecting frame forms a rotating structure through the driving shaft and the motor, the oil box is evenly distributed in a ring shape about the central axis of the driving shaft, and a sponge block is provided inside the oil box.

[0013] Preferably, the central axis of the annular slide rail coincides with the central axis of the driving shaft, and the oil box forms a sliding structure between the sliding block and the annular slide rail.

[0014] Preferably, an axial rotation structure is formed between the driven shaft and the bearing, the driven shaft and the driving shaft both penetrate the box plate, and the driven shaft is symmetrical about the central axis of the driving shaft.

[0015] Preferably, the main gear is fixedly connected to the driving shaft, the driven shaft is fixedly connected to the auxiliary gear, and the main gear and the auxiliary gear are meshed with each other.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0017] 1. The patent of the present invention can slide the sliding cover open and rotate the sealing plug through the use of the guide rail and the slider, so that the oil box can be opened, which is convenient for adding lubricant to the oil box. This makes it unnecessary to disassemble the device when adjusting the lubricant, thereby improving the practicality of the device.

[0018] 2. The patent of the present invention can rotate the oil box through the rotation of the driving shaft and the use of the connecting frame. The lubricant can be spilled through the mesh port and dripped into the interior of the device. Four oil boxes evenly distributed in an annular shape are provided inside the device. When rotating, the lubricant can be evenly dripped into the interior of the device to improve the lubrication effect. The coordinated use of the annular slide rail and the slider can ensure the stability of the rotation of the connecting frame.

[0019] 3. The patent of the present invention can adjust the position of the protection frame by utilizing a telescopic rod. The protection frame can protect the connection between the driving shaft and the driven shaft to ensure the stability of the connection. The cooling frame can be opened by rotating the piston, and coolant can be added to the cooling frame to cool the motor and improve the heat dissipation performance of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the patent of the present invention;

[0021] Figure 2 This is a schematic diagram of the internal structure of the protection box of the present invention;

[0022] Figure 3 It is a schematic diagram of the partial three-dimensional structure of the patent of the present invention;

[0023] Figure 4 It is a schematic diagram of the three-dimensional structure of the annular slide rail of the patent of the present invention;

[0024] Figure 5 This is a schematic diagram of the three-dimensional structure of the connecting frame of the patent of the present invention;

[0025] Figure 6 This is a schematic diagram of the rear-end three-dimensional structure of the patent of this invention.

[0026] In the figure: 1. protective box; 2. box plate; 3. threaded rod; 4. motor; 5. guide rail; 6. slide cover; 7. driving shaft; 8. connecting frame; 9. oil box; 10. mesh port; 11. sealing plug; 12. annular slide rail; 13. main gear; 14. bearing; 15. driven shaft; 16. secondary gear; 17. lifting rod; 18. bottom plate; 19. soft rubber pad; 20. positioning hole; 21. telescopic rod; 22. protection frame; 23. cooling frame; 24. piston. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the patent of the present invention to clearly and completely describe the technical solutions in the embodiments of the patent of the present invention. Obviously, the described embodiments are only part of the embodiments of the patent of the present invention, not all of them. Based on the embodiments in the patent of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the patent of the present invention.

[0028] See also Figure 1-6 As shown, a spindle box with a lubrication structure includes a protection box 1 and a driving shaft 7. A box plate 2 is provided at one end of the protection box 1, a threaded rod 3 is provided between the box plate 2 and the protection box 1, a motor 4 is provided at the other end of the protection box 1, a guide rail 5 is provided at the top of the protection box 1, a slide cover 6 is provided at the top of the guide rail 5, and the slide cover 6 and the guide rail 5 are connected by a slider, a driving shaft 7 is provided at the end of the motor 4, and the driving shaft 7 and the motor 4 are threadedly connected, a connecting frame 8 is fixedly connected to the outer side of the driving shaft 7, and oil boxes 9 are provided at the four corners of the connecting frame 8. A mesh port 10 is provided on the bottom surface of the oil box 9, a sealing plug 11 is provided on the top of the oil box 9, and the sealing plug 11 and the oil box 9 are threadedly connected, an annular slide rail 12 is provided on the outside of the oil box 9, and the oil box 9 and the annular slide rail 12 are connected by a slider, the annular slide rail 12 and the protective box 1 are fixedly connected, a main gear 13 is provided on one side of the connecting frame 8, a bearing 14 is provided in the middle of the protective box 1, a driven shaft 15 is provided in the middle of the bearing 14, and the driven shaft 15 and the bearing 14 are sleeved, and a secondary gear 16 is provided on the outside of the driven shaft 15.

[0029] Furthermore, a lifting rod 17 is provided at the bottom end of the protective box 1, and a bottom plate 18 is provided at the bottom of the lifting rod 17. A soft rubber pad 19 is provided on the bottom surface of the bottom plate 18, and the soft rubber pad 19 and the bottom plate 18 are bonded. Positioning holes 20 are provided at the four corners of the bottom plate 18, and the top surface of the soft rubber pad 19 is in contact with the bottom surface of the bottom plate 18. The positioning holes 20 and external bolts are used in combination to fix the bottom plate 18 to the external horizontal plane to complete the installation of the device. The setting of the soft rubber pad 19 can enhance the tightness of the fit between the bottom plate 18 and the horizontal plane. At the same time, the elasticity of the soft rubber pad 19 can play a shock-absorbing role when the device is used.

[0030] Furthermore, a telescopic rod 21 is provided on the outer side of the box plate 2, and a protective frame 22 is provided at the end of the telescopic rod 21, and the telescopic rod 21 and the box plate 2 are threadedly connected, and the threaded rod 3 passes through the box plate 2 and the protective box 1 and is threadedly connected. The position of the protective frame 22 can be adjusted by using the telescopic rod 21, and the connection between the driving shaft 7 and the driven shaft 15 can be protected by the protective frame 22 to ensure the stability of the connection.

[0031] Furthermore, a cooling frame 23 is fixedly connected to the outside of the motor 4, a piston 24 is provided on the top of the cooling frame 23, and the piston 24 and the cooling frame 23 are threadedly connected. The inner side of the cooling frame 23 fits with the outer side of the motor 4. The cooling frame 23 can be opened by rotating the piston 24, and coolant is added to the cooling frame 23, which can cool and dissipate heat for the motor 4, thereby improving the heat dissipation performance of the device.

[0032] Furthermore, the guide rail 5 is symmetrical about the vertical center line of the protective box 1, and the sliding cover 6 forms a sliding structure between the slider and the guide rail 5. Through the coordinated use of the guide rail 5 and the slider, the sliding cover 6 can be slid open, and the sealing plug 11 can be rotated to open the oil box 9, so that lubricant can be added to the oil box 9, so that the device does not need to be disassembled when adjusting the lubricant.

[0033] Furthermore, the connecting frame 8 forms a rotating structure between the driving shaft 7 and the motor 4, the oil box 9 is evenly distributed in a ring shape about the central axis of the driving shaft 7, and a sponge block is provided inside the oil box 9. Four oil boxes 9 evenly distributed in a ring shape are provided inside the device. When rotating, lubricant can be evenly dripped into the inside of the device to improve the lubrication effect.

[0034] Furthermore, the central axis of the annular slide rail 12 coincides with the central axis of the driving shaft 7 , and the oil box 9 forms a sliding structure with the annular slide rail 12 through the slider. The coordinated use of the annular slide rail 12 and the slider can ensure the stability of the rotation of the connecting frame 8 .

[0035] Furthermore, an axial rotation structure is formed between the driven shaft 15 and the bearing 14 . Both the driven shaft 15 and the driving shaft 7 penetrate the box plate 2 . The driven shaft 15 is symmetrical about the central axis of the driving shaft 7 .

[0036] Furthermore, the main gear 13 and the driving shaft 7 are fixedly connected, and the driven shaft 15 and the sub-gear 16 are fixedly connected. The teeth of the main gear 13 and the sub-gear 16 are meshed with each other. Starting the motor 4 rotates the driving shaft 7, which drives the main gear 13 to rotate. With the use of the bearing 14 and the sub-gear 16, the driven shaft 15 can be rotated, and the external device is connected to the driving shaft 7 and the driven shaft 15, thereby realizing multi-axis linkage.

[0037] Working principle: The user can place the device on the external horizontal plane through the bottom plate 18, and use the positioning holes 20 and the external bolts to fix the bottom plate 18 to the external horizontal plane to complete the installation of the device. The setting of the soft rubber pad 19 can enhance the tightness of the bottom plate 18 and the horizontal plane. At the same time, the elasticity of the soft rubber pad 19 can play a shock-absorbing role when the device is used. The setting of the lifting rod 17 can adjust the height of the device, which is convenient for the device to be connected with devices of different heights. Start the motor 4 to rotate the driving shaft 7. , driving the main gear 13 to rotate, and with the use of the bearing 14 and the sub-gear 16, the driven shaft 15 can be rotated, and the external device is connected with the driving shaft 7 and the driven shaft 15, so as to realize multi-axis linkage. The position of the protection frame 22 can be adjusted by using the telescopic rod 21. The connection between the driving shaft 7 and the driven shaft 15 can be protected by the protection frame 22 to ensure the stability of the connection. The cooling frame 23 can be opened by rotating the piston 24, and the coolant is added to the cooling frame 23, which can cool and dissipate the heat of the motor 4, thereby improving the heat dissipation performance of the device.

[0038] By using the guide rail 5 and the slider together, the slide cover 6 can be slid open, and the sealing plug 11 can be rotated to open the oil box 9, so that lubricant can be added to the oil box 9, so that the device does not need to be disassembled when adjusting the lubricant, thereby improving the practicality of the device. By rotating the active shaft 7 and cooperating with the connecting frame 8, the oil box 9 can be rotated, and the lubricant can be spilled through the mesh port 10 and drip onto the inside of the device. Four oil boxes 9 evenly distributed in an annular shape are provided inside the device. When rotating, the lubricant can be evenly dripped onto the inside of the device to improve the lubrication effect. The annular slide rail 12 and the slider can ensure the stability of the rotation of the connecting frame 8. The provision of the protective box 1 and the box plate 2 can protect the internal components of the device. By rotating the threaded rod 3, the box plate 2 can be removed, so that the internal components of the protective box 1 can be inspected.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0040] Although the embodiments of the present invention have been shown and described, it will be understood 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 the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A spindle box with a lubrication structure, comprising a protection box (1) and a driving shaft (7), Features: A box plate (2) is provided at one end of the protection box (1), a threaded rod (3) is provided between the box plate (2) and the protection box (1), a motor (4) is provided at the other end of the protection box (1), a guide rail (5) is provided at the top of the protection box (1), a sliding cover (6) is provided at the top of the guide rail (5), and the sliding cover (6) and the guide rail (5) are connected via a slider, a driving shaft (7) is provided at the end of the motor (4), and the driving shaft (7) and the motor (4) are threadedly connected, a connecting frame (8) is fixedly connected to the outside of the driving shaft (7), oil boxes (9) are provided at the four corners of the connecting frame (8), and a mesh port ( 10), a sealing plug (11) is provided on the top of the oil box (9), and the sealing plug (11) and the oil box (9) are threadedly connected, an annular slide rail (12) is provided on the outer side of the oil box (9), and the oil box (9) and the annular slide rail (12) are connected by a slider, the annular slide rail (12) and the protective box (1) are fixedly connected, a main gear (13) is provided on one side of the connecting frame (8), a bearing (14) is provided in the middle of the protective box (1), a driven shaft (15) is provided in the middle of the bearing (14), and the driven shaft (15) and the bearing (14) are sleeved, and a secondary gear (16) is provided on the outer side of the driven shaft (15).

2. A spindle box with a lubrication structure according to claim 1, Features: The bottom end of the protective box (1) is provided with a lifting rod (17), the bottom of the lifting rod (17) is provided with a bottom plate (18), the bottom surface of the bottom plate (18) is provided with a soft rubber pad (19), and the soft rubber pad (19) and the bottom plate (18) are bonded, and positioning holes (20) are provided at the four corners of the bottom plate (18), and the top surface of the soft rubber pad (19) is in contact with the bottom surface of the bottom plate (18).

3. A spindle box with a lubrication structure according to claim 1, Features: A telescopic rod (21) is provided on the outer side of the box plate (2), a protective frame (22) is provided at the end of the telescopic rod (21), and the telescopic rod (21) and the box plate (2) are threadedly connected, and the threaded rod (3) passes through the box plate (2) and is threadedly connected to the protective box (1).

4. The spindle box with a lubrication structure according to claim 1, Features: A cooling frame (23) is fixedly connected to the outer side of the motor (4), a piston (24) is provided on the top of the cooling frame (23), and the piston (24) and the cooling frame (23) are threadedly connected, and the inner side of the cooling frame (23) is in contact with the outer side of the motor (4).

5. The spindle box with a lubrication structure according to claim 1, Features: The guide rail (5) is symmetrical about the vertical center line of the protection box (1), and the sliding cover (6) forms a sliding structure between the slider and the guide rail (5).

6. A spindle box with a lubrication structure according to claim 5, Features: The connecting frame (8) forms a rotating structure through the driving shaft (7) and the motor (4); the oil box (9) is evenly distributed in a ring shape about the central axis of the driving shaft (7); and a sponge block is provided inside the oil box (9).

7. The spindle box with a lubrication structure according to claim 1, Features: The central axis of the annular slide rail (12) coincides with the central axis of the driving shaft (7), and the oil box (9) forms a sliding structure with the annular slide rail (12) through the sliding block.

8. The spindle box with a lubrication structure according to claim 1, Features: An axial rotation structure is formed between the driven shaft (15) and the bearing (14); the driven shaft (15) and the driving shaft (7) both penetrate the box plate (2); and the driven shaft (15) is symmetrical about the central axis of the driving shaft (7).

9. The spindle box with lubrication structure according to claim 8, Features: The main gear (13) and the driving shaft (7) are fixedly connected, the driven shaft (15) and the auxiliary gear (16) are fixedly connected, and the main gear (13) and the auxiliary gear (16) are meshed with each other.

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