Modularized combined numerical control milling machine spindle box
The modular design of the CNC milling machine spindle box solves the problem of the overall structure being unmaintainable, enabling rapid replacement and adjustment, reducing maintenance costs, and improving production efficiency and equipment stability.
Patent Information
- Application Number
- CN202520426618.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-12
AI Technical Summary
The existing CNC machine tool spindle box is a single unit structure, which cannot be disassembled and damaged parts can be replaced separately, resulting in high maintenance costs and long maintenance time, which affects production efficiency and equipment utilization.
It adopts a modular design, including a lubrication box, drive mechanism and adjustment mechanism, which allows for the individual replacement of faulty modules. The lubrication mechanism and drive mechanism enable quick assembly of the spindle box, and the adjustment mechanism is used to adjust the wedge belt tension to improve the stability of the transmission system.
It enables rapid maintenance of the spindle box, reduces maintenance costs, minimizes downtime, improves the versatility of the equipment and the stability of the transmission system, and extends the service life of the machine tool.
Smart Images

Figure CN223801558U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to numerical control milling machine technical field especially relates to a modular combined numerical control milling machine spindle box. BACKGROUND
[0002] Numerical control machine tool is the abbreviation of digital control machine tool, is a kind of automatic machine tool equipped with program control system.The control system can logically process the program with control code or other symbolic instruction specification, and it is translated into code by code, and is input into numerical control device by code number representation through information carrier.Various control signals are sent by numerical control device after operation processing, and the action of machine tool is controlled, and the shape and size required by drawing are automatically processed to process parts.
[0003] The spindle box of the existing numerical control machine tool is a whole, once the internal fault of spindle box appears, since the damaged component cannot be individually disassembled and replaced, often needs to be replaced as a whole or sent back to the original factory for maintenance, which greatly increases the maintenance cost and time, and further influences production efficiency and equipment utilization. UTILITY MODEL CONTENTS
[0004] (I) technical problem solved
[0005] The utility model aims at providing a modular combined numerical control milling machine spindle box to solve the problem that the spindle box of the existing numerical control machine tool is a whole, once the internal fault of spindle box appears, since the damaged component cannot be individually disassembled and replaced, often needs to be replaced as a whole or sent back to the original factory for maintenance, which greatly increases the maintenance cost and time, and further influences production efficiency and equipment utilization.
[0006] (II) technical scheme
[0007] To achieve the above object, the utility model discloses a modular combined numerical control milling machine spindle box through the following technical schemes, a box bottom is provided with lubricating box, the inside bottom of lubricating box is provided with lubricating mechanism, the top of box bottom is provided with two groups T-shaped sliding blocks, one side of two groups T-shaped sliding blocks is provided with drive mechanism, the top of box bottom is provided with two groups support frame, the surface of two groups support frame is provided with adjusting mechanism, the lubricating mechanism includes the oil tank of setting in the inside bottom of lubricating box, one side of oil tank is connected with oil pump through the whole, one side of oil pump is connected with oil outlet pipe through the whole, one side of oil outlet pipe is connected with oil gas mixing valve through the whole, the drive mechanism includes the limiting block of setting in one side of two groups T-shaped sliding blocks, the surface of two groups T-shaped sliding blocks is connected with drive box slidingly, the bottom of drive box is provided with two groups sliding groove, the inside of drive box is provided with servo motor, one side of servo motor is connected with driving wheel with the spline, one side bottom of two groups T-shaped sliding blocks and drive box is provided with fixed hole, the inside fixed hole is connected with fixed rod through the whole, the both sides of fixed rod are connected with fixed bolt through the whole, the adjusting mechanism includes the moving cavity of setting in the surface of two groups support frame, the inside of two groups support frame is connected with threaded rod with the screw thread, the surface of threaded rod is connected with pivot with the screw thread, the middle part of pivot is rotatably connected with adjusting wheel, one end of two groups threaded rod is provided with adjusting knob.
[0008] As a further scheme of the utility model, the top of the box bottom is screw-connected with a spindle holder, the inside of the spindle holder is rotatably connected with a spindle body, one side of the spindle body is spline-connected with a driven wheel, the driven wheel is provided to drive the spindle body to rotate.
[0009] As a further scheme of the utility model, the top of the box bottom is provided with an oil outlet hole, a connecting pipe is inserted into one side of the oil outlet pipe, the connecting pipe is connected to one side of the spindle body, the connecting pipe is provided to connect the oil outlet pipe.
[0010] As a further scheme of the utility model, the surface of the driving wheel is rotatably connected with a wedge belt, the wedge belt is rotatably connected to the surfaces of the driven wheel and the adjusting wheel, the wedge belt is provided to transmit torque.
[0011] As a further scheme of the utility model, the surface of the spindle body is provided with two bearing assemblies, the two ends of the spindle body are provided with an upper gland and a lower gland, the upper gland and the lower gland are provided to fix the spindle body.
[0012] As a further scheme of the utility model, the two support frames are arranged at the middle parts of the driving wheel and the driven wheel, the positions of the adjusting wheel, the driving wheel and the driven wheel are on the same axis, the adjusting wheel is provided to adjust the tension of the wedge belt.
[0013] As a further scheme of the utility model, the upper side of the box bottom is provided with a box cover, the surface of the box cover is provided with a ventilation window, and the main shaft body is connected to one side of the box cover, the ventilation window is provided, and the heat dissipation effect is achieved.
[0014] (Three) beneficial effects
[0015] The utility model provides a modular combined numerical control milling machine spindle box has the following beneficial effects:
[0016] 1. The modular combined numerical control milling machine spindle box, through the setting of the lubricating box, the lubricating mechanism, the T-shaped sliding block and the driving mechanism, when the spindle box is assembled, first, the oil outlet pipe is inserted into the connecting pipe through the oil outlet hole of the box bottom to connect the oil pipe, then the lubricating box is screwed on the box bottom, then the sliding groove of the driving box is slid forward along the T-shaped sliding block, when the driving box is in contact with the limiting block, the fixed rod is inserted into the driving box and the T-shaped sliding block through the fixed hole, and the fixed bolt is tightened to fix, so that the internal structure of the numerical control milling machine spindle box is designed in a modular way, the modular design facilitates quick replacement of faulty modules, reduces production losses caused by long-term downtime, and at the same time, the modular production method also reduces the manufacturing cost of a single module, makes the maintenance cost more economical, and further prolongs the service life of the machine tool.
[0017] 2. The modular combined numerical control milling machine spindle box, through the setting of the supporting frame and the adjusting mechanism, before the spindle box is used, if the wedge belt is too tight or too loose between the driving wheel and the driven wheel, the adjusting knob is rotated, the threaded rod is rotated to drive the rotating shaft to move upward or downward, the tension carried is gradually increased or reduced, until the recommended value is reached, so as to prevent the wedge belt from slipping or falling off during work, improve the stability of the whole transmission system, and at the same time, the driving motor can be adapted to various types of driving wheels, improving the versatility of the equipment. ACCURACY OF DRAWINGS
[0018] Fig. 1 It is the overall structure schematic view of the utility model;
[0019] Fig. 2 It is the lubricating mechanism structure schematic view of the utility model;
[0020] Fig. 3 It is the driving mechanism structure schematic view of the utility model;
[0021] Fig. 4 It is the adjusting mechanism structure schematic view of the utility model.
[0022] In the figure: 1, the bottom of the box; 2, lubricating box; 3, lubricating mechanism; 301, oil tank; 302, oil pump; 303, oil outlet pipe; 304, oil gas mixing valve; 4, T-shaped slider; 5, driving mechanism; 501, limit block; 502, drive box; 503, servo motor; 504, driving wheel; 505, fixed rod; 506, fixed bolt; 6, support frame; 7, adjusting mechanism; 701, moving cavity; 702, threaded rod; 703, rotating shaft; 704, adjusting wheel; 705, adjusting knob; 8, main shaft frame; 9, main shaft body; 10, driven wheel; 11, connecting pipe; 12, wedge belt; 13, bearing assembly; 14, upper gland; 15, lower gland; 16, box cover; 17, air window. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0024] Please refer to Figs. 1 to 4 The utility model provides a kind of technical scheme: a modular combined numerical control milling machine spindle box, including box bottom 1, the bottom of box bottom 1 is threadedly connected with lubricating box 2, the inner bottom of lubricating box 2 is provided with lubricating mechanism 3, the top of box bottom 1 is provided with two groups of T-shaped slider 4, the side of two groups of T-shaped slider 4 is provided with driving mechanism 5, the top of box bottom 1 is provided with two groups of support frame 6, the surface of two groups of support frame 6 is provided with adjusting mechanism 7, lubricating mechanism 3 includes the oil tank 301 being arranged in the inner bottom of lubricating box 2, the side of oil tank 301 is connected with oil pump 302, the side of oil pump 302 is connected with oil outlet pipe 303, the side of oil outlet pipe 303 is connected with oil gas mixing valve 304, driving mechanism 5 includes the limit block 501 being arranged in the side of two groups of T-shaped slider 4, the surface of two groups of T-shaped slider 4 is slidably connected with drive box 502, the bottom of drive box 502 is provided with two groups of sliding groove, the inside of drive box 502 is provided with servo motor 503, the side of servo motor 503 is spline-connected with driving wheel 504, two groups of T-shaped slider 4 and the side bottom of drive box 502 are provided with fixed hole, the inside of fixed hole is connected with fixed rod 505, the two sides of fixed rod 505 are threadedly connected with fixed bolt 506, adjusting mechanism 7 includes the moving cavity 701 being arranged in the surface of two groups of support frame 6, the inside of two groups of support frame 6 is threadedly connected with threaded rod 702, the surface of threaded rod 702 is threadedly connected with rotating shaft 703, the middle part of rotating shaft 703 is rotatably connected with adjusting wheel 704, the end of two groups of threaded rod 702 is provided with adjusting knob 705.
[0025] The upper side of the box bottom 1 is threadedly connected with a main shaft support 8, the inside of the main shaft support 8 is rotationally connected with a main shaft body 9, the side of the main shaft body 9 is spline-connected with a driven wheel 10, and the driven wheel 10 is arranged to drive the main shaft body 9 to rotate.
[0026] The upper side of the box bottom 1 is provided with an oil outlet hole, the side of the oil outlet pipe 303 is inserted with a connecting pipe 11, the connecting pipe 11 penetrates and is connected to the side of the main shaft body 9, and the connecting pipe 11 is arranged to connect the oil outlet pipe 303.
[0027] The surface of the driving wheel 504 is rotationally connected with a wedge belt 12, the wedge belt 12 is rotationally connected to the surfaces of the driven wheel 10 and the adjusting wheel 704, and the wedge belt 12 is arranged to transmit torque.
[0028] The surface of the main shaft body 9 is provided with two groups of bearing assemblies 13, the two ends of the main shaft body 9 are provided with an upper pressing cover 14 and a lower pressing cover 15, and the upper pressing cover 14 and the lower pressing cover 15 are arranged to fix the main shaft body 9.
[0029] The two groups of supporting frames 6 are arranged at the middle parts of the driving wheel 504 and the driven wheel 10, the positions of the adjusting wheel 704, the driving wheel 504 and the driven wheel 10 are on the same axis, and the adjusting wheel 704 is arranged to adjust the tension of the wedge belt 12.
[0030] The upper side of the box bottom 1 is provided with a box cover 16, the surface of the box cover 16 is provided with a ventilation window 17, the main shaft body 9 penetrates and is connected to the side of the box cover 16, and the ventilation window 17 is arranged to dissipate heat.
[0031] In the utility model, the working steps of the device are as follows:
[0032] The first step is that, when the main shaft box is assembled, the oil outlet pipe 303 is inserted into the connecting pipe 11 through the oil outlet hole of the box bottom 1 to connect the oil pipe, the lubricating box 2 is threadedly connected to the box bottom 1, then the sliding groove of the driving box 502 is slid forward along the T-shaped sliding block 4, when the driving box 502 is in contact with the limiting block 501, the fixing rod 505 is inserted into the driving box 502 and the T-shaped sliding block 4 through the fixing hole, and the fixing bolt 506 is tightened to fix the driving box 502.
[0033] The second step is that, before the main shaft box is used, when the wedge belt 12 is too tight or too loose between the driving wheel 504 and the driven wheel 10, the adjusting knob 705 is rotated, the threaded rod 702 is rotated to drive the rotating shaft 703 to move upward or downward, the tension of the wedge belt 12 is gradually increased or decreased, and the recommended value is reached.
[0034] It should be noted that the device structure and the drawings of the present application mainly describe the principle of the present application, and the setting of the power mechanism, power supply system and control system of the device is not completely described, and under the premise of understanding the principle of the above-mentioned application by the person skilled in the art, the specific of the power mechanism, power supply system and control system can be clearly known, and the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art.
[0035] The standard parts used can be purchased from the market, and can be ordered according to the description and drawings, the specific connection mode of each part adopts the conventional screw, rivet, welding and other conventional means in the prior art, the mechanical, part and equipment adopt the conventional type in the prior art, and the components known by the person skilled in the art, the structure and principle thereof can be known by the technical manual or by the conventional experimental method.
[0036] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A modular combined numerical control milling machine spindle box, comprising a box bottom (1), characterized in that: The bottom of the box bottom (1) is threadedly connected with a lubricating box (2), the inner bottom of the lubricating box (2) is provided with a lubricating mechanism (3), the upper side of the box bottom (1) is provided with two groups of T-shaped sliding blocks (4), one side of the two groups of T-shaped sliding blocks (4) is provided with a driving mechanism (5), the upper side of the box bottom (1) is provided with two groups of supporting frames (6), the surface of the two groups of supporting frames (6) is provided with an adjusting mechanism (7), The lubricating mechanism (3) comprises an oil tank (301) arranged on the inner bottom of the lubricating box (2), one side of the oil tank (301) is connected with an oil pump (302) in a penetrating mode, one side of the oil pump (302) is connected with an oil outlet pipe (303) in a penetrating mode, and one side of the oil outlet pipe (303) is connected with an oil-gas mixing valve (304) in a penetrating mode, The driving mechanism (5) comprises limiting blocks (501) arranged on one side of the two groups of T-shaped sliding blocks (4), and the surface of the two groups of T-shaped sliding blocks (4) is slidably connected with a driving box (502); the bottom of the driving box (502) is provided with two groups of sliding grooves; the inside of the driving box (502) is provided with a servo motor (503); one side of the servo motor (503) is spline-connected with a driving wheel (504); the side bottom of the two groups of T-shaped sliding blocks (4) and the driving box (502) is provided with fixing holes; the inside of the fixing holes is connected with a fixing rod (505) in a penetrating mode; and the two sides of the fixing rod (505) are threadedly connected with fixing bolts (506). The adjusting mechanism (7) comprises moving cavities (701) arranged on the surface of the two groups of supporting frames (6), and the inside of the two groups of supporting frames (6) is threadedly connected with threaded rods (702); the surface of the threaded rods (702) is threadedly connected with rotating shafts (703); the middle part of the rotating shafts (703) is rotatably connected with adjusting wheels (704); and one end of the two groups of threaded rods (702) is provided with adjusting knobs (705).
2. The modular combined numerical control milling machine spindle box according to claim 1, characterized in that: The upper side of the box bottom (1) is threadedly connected with a main shaft frame (8), the inside of the main shaft frame (8) is rotatably connected with a main shaft body (9), and one side of the main shaft body (9) is spline-connected with a driven wheel (10).
3. The modular combined numerical control milling machine spindle box according to claim 1, characterized in that: The upper side of the box bottom (1) is provided with an oil outlet hole, one side of the oil outlet pipe (303) is inserted with a connecting pipe (11), and the connecting pipe (11) is connected with one side of the main shaft body (9) in a penetrating mode.
4. The modular combined numerical control milling machine spindle box according to claim 1, characterized in that: The surface of the driving wheel (504) is rotatably connected with a wedge belt (12), and the wedge belt (12) is rotatably connected with the surfaces of the driven wheel (10) and the adjusting wheel (704).
5. The modular combined numerical control milling machine spindle box according to claim 3, characterized in that: The surface of the main shaft body (9) is provided with two groups of bearing assemblies (13), and the two ends of the main shaft body (9) are provided with upper compression covers (14) and lower compression covers (15).
6. The modular combined numerical control milling machine spindle box according to claim 1, characterized in that: The two groups of supporting frames (6) are arranged in the middle parts of the driving wheel (504) and the driven wheel (10), and the positions of the adjusting wheel (704), the driving wheel (504) and the driven wheel (10) are on the same axis.
7. The modular combined numerical control milling machine spindle box according to claim 3, characterized in that: The upper side of the box bottom (1) is provided with a box cover (16), and the surface of the box cover (16) is provided with a ventilation window (17).