Lubricating mechanism of numerical control machine tool
By combining an infrared ranging sensor and a miniature booster pump, intelligent lubrication management of CNC machine tool transmission components is achieved, solving the problem of rapid lubrication consumption of transmission screws and transmission blocks, and extending the service life of the machine tool.
Patent Information
- Application Number
- CN202520187243.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-07
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-02-07
AI Technical Summary
In existing CNC machine tools, the lubrication between the lead screw and the transmission block is consumed quickly, requiring frequent maintenance, and there is a lack of intelligent lubrication management.
By employing an infrared ranging sensor, a ranging photoelectric reflector, a microcontroller, and a storage module in conjunction with a miniature booster pump, the system records the movement distance of the components and automatically lubricates the gaps between the shafts and components, enabling customized maintenance.
It enables intelligent management of lubrication, reduces lubrication frequency, and extends the service life of machine tools and lubricants.
Smart Images

Figure CN223749198U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of lubrication mechanisms, specifically, it relates to a lubrication mechanism for CNC machine tools. Background Technology
[0002] Machine tools are characterized by high efficiency, high precision, high automation and high flexibility. They are the mainstream equipment in the modern machinery manufacturing industry. The application of CNC machining can greatly improve productivity, stabilize machining quality, shorten machining cycle, increase production flexibility, realize automated machining of various complex precision parts, and facilitate workshop management.
[0003] To ensure stable accuracy and extend service life of CNC lathes, good lubrication is essential. Vertical drilling machines have numerous transmission mechanisms, with typical transmission components including lead screws and transmission blocks. The transmission block and lead screw achieve transmission through threaded engagement. In this type of transmission component, lubrication is required between the surface of the lead screw and the threaded hole inside the transmission block to reduce resistance, minimize wear, and enhance smooth operation.
[0004] In the prior art, lubrication of such shaft-hole mating components is a key component of machine tool lubrication. These components are characterized by high operating frequency and rapid lubrication consumption, requiring frequent lubrication maintenance. In view of this, this utility model is proposed. Utility Model Content
[0005] The technical problem to be solved by this utility model is to overcome the shortcomings of the existing technology and provide a lubrication mechanism for CNC machine tools.
[0006] To solve the above-mentioned technical problems, the basic concept of the technical solution adopted by this utility model is as follows:
[0007] A lubrication mechanism for a CNC machine tool includes a block, a shaft, a lubrication box, and a detection box. The block has a shaft installed in its center, multiple injection cavities for injecting lubricant are formed inside the block, a connector is fixed to the side of the block by screws, an injection nozzle matching the number of injection cavities is provided on the inner side of the connector, and a delivery pipe is fixed to the outer side of the connector by a clamp, with the other end of the delivery pipe connected to the bottom of the lubrication box.
[0008] Two fixing sleeves are fixed to one side of the block by screws. The two fixing sleeves are respectively fitted onto the upper and lower ends of the lubrication box. A detection box for installing an infrared ranging sensor is fixed on the back of the fixing sleeve. A ranging photoelectric reflector plate for use with the infrared ranging sensor is provided on one side of the detection end of the infrared ranging sensor.
[0009] The upper end of the lubricating box is threadedly connected with a sealing cover, a micro booster pump is mounted on the upper end of the sealing cover through a machine box, and the booster end of the micro booster pump is communicated with the one-way valve through a pipeline penetrating through the sealing cover and located in the interior of the lubricating box.
[0010] Optionally, the plurality of injection nozzles are each sleeved with a first sealing ring.
[0011] Optionally, the detection box further comprises a circuit board and a battery module, a single-chip microcomputer and a storage module are arranged at the front end of the circuit board, and the circuit board is electrically connected with the battery module and the infrared distance measuring module through terminals and wires, respectively, the circuit board is electrically connected with the micro booster pump through an extension wire, and a clearance hole is formed in the surface of the detection box for mounting a detection end of the infrared distance measuring sensor.
[0012] Optionally, the interior of the sealing cover is bonded with a second sealing ring which is in contact with the top port of the lubricating box.
[0013] Optionally, a ventilation hole is horizontally formed in one side of the detection box for air circulation, a vertical groove is vertically formed in one side of the detection box for inserting the filtering assembly, and the ventilation hole penetrates the middle part of the groove, the filtering assembly comprises an embedded plate, an insertion plate, an insertion strip and an air filter plate, the insertion plate is arranged on one side of the embedded plate, a strip-shaped slot is formed in the side of the embedded plate for mounting the insertion strip, and the insertion strip is integrally formed on the side wall of the insertion plate, and the middle part of the insertion plate and the embedded plate is provided with an open slot for placing the air filter plate, and the middle part of the ventilation hole and the open slot are provided with dustproof nets.
[0014] Optionally, the distance measuring photoelectric reflection plate is mounted on the surface of the adsorption plate, and the back of the adsorption plate is fixed with a magnetic block, and the upper and lower ends of the adsorption plate are provided with screw holes for mounting bolts.
[0015] After the above technical scheme is adopted, the present application has the following advantages compared with the prior art, of course, any product implementing the present application does not necessarily need to achieve all the advantages described below:
[0016] The present application uses a micro air pump to pressurize the interior of the lubricating box, so that the lubricating material for lubricating the shaft and block parts is delivered to the surface of the shaft through the injection cavity, thereby completing the lubrication process, and in order to improve the intelligence of the device, the device can cooperate with the infrared distance measuring sensor, the distance measuring photoelectric reflection plate, the single-chip microcomputer and the storage module to perform self-defined maintenance, for example, the distance measuring photoelectric reflection plate cooperates with the storage module to record the moving distance of the block during each moving process, and when the accumulated data reaches the pre-set maintenance threshold value, the micro booster pump is started to pressurize the interior of the lubricating box, and the lubricating material is attached to the gap between the shaft and the block through the injection cavity for lubrication.
[0017] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description
[0018] The accompanying drawings described below are merely some embodiments. Those skilled in the art can obtain other drawings based on these drawings without any creative effort.
[0019] In the picture:
[0020] Figure 1 This is a schematic diagram of the front cross-sectional structure of this utility model;
[0021] Figure 2 This is a structural diagram of the combined parts of the lubrication box, the detection box, and the sealing cover in this utility model;
[0022] Figure 3 This utility model comprises a distance measuring box, an infrared distance measuring sensor, and a distance measuring photoelectric reflector.
[0023] Side view of the component structure;
[0024] Figure 4 This is an exploded view of the combined component structure of the filter assembly in this utility model;
[0025] Figure 5 This utility model includes an infrared ranging sensor, a microcontroller, a storage module, and a miniature booster.
[0026] Schematic diagram of the pump's assembled components;
[0027] Figure 6 for Figure 1 A schematic diagram of the structure of part A in the diagram;
[0028] Figure 7 for Figure 1 Schematic diagram of part B in the diagram;
[0029] Figure 8 for Figure 3 A schematic diagram of the structure of part C in the diagram.
[0030] The attached diagram lists the components represented by each number as follows:
[0031] 1, block; 2, shaft; 3, injection channel; 4, connector; 5, injection nozzle; 6, delivery pipe; 7, lubricating tank; 8, fixed sleeve; 9, infrared distance sensor; 10, detection box; 11, distance photoelectric reflection plate; 12, sealing cover; 13, machine box; 14, micro booster pump; 15, one-way valve; 16, first sealing ring; 17, circuit board; 18, battery module; 19, single-chip microcomputer; 20, storage module; 21, second sealing ring; 22, embedded plate; 23, plug-in board; 24, plug-in strip; 25, air filter plate; 26, dustproof net; 27, adsorption plate; 28, magnetic block; 29, screw hole.
[0032] It should be noted that these drawings and written descriptions are not intended to limit the scope of the concept of the utility model in any way, but to illustrate the concept of the utility model to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION
[0033] The utility model will be further described in detail in combination with the drawings.
[0034] Please refer to Figures 1 to 8 The utility model provides a technical scheme: a numerical control machine tool lubricating mechanism, including block 1, shaft 2, lubricating tank 7 and detection box 10, the middle part of block 1 is installed with shaft 2, is set up with multiple injection cavity 3 for injection lubricating object in the inside of block 1, and the side of block 1 is fixed with connector 4 through screw, and the inside of connector 4 is equipped with the injection nozzle 5 matched with the injection cavity number, and the outside of connector 4 is fixed with delivery pipe 6 through pipe clamp, and the other end of delivery pipe 6 is communicated with the bottom of lubricating tank 7;
[0035] One side of block 1 is fixed with two fixed sleeves 8 through screw, and the two fixed sleeves 8 are respectively sleeved on the upper and lower ends of the outside of lubricating tank 7, and the back of fixed sleeve 8 is fixed with detection box 10 for installing infrared distance sensor 9, and one side of the detection end of infrared distance sensor 9 is equipped with distance photoelectric reflection plate 11 used in cooperation with infrared distance sensor 9;
[0036] The upper end of the lubricating box 7 is threadedly connected with a sealing cover 12, a micro booster pump 14 is installed on the upper end of the sealing cover 12 through a machine box 13, the booster end of the micro booster pump 14 is communicated with a one-way valve 15 through a pipeline penetrating through the sealing cover 12 and located in the inside of the lubricating box 7, considering that, in the prior art, the lubrication of the shaft-hole assembly is the key part of the machine tool lubrication, the shaft-hole assembly has the characteristics of high operation frequency, fast lubrication consumption and the need for frequent lubrication maintenance, the utility model discloses the inside of the lubricating box 7 is pressurized through the micro booster pump, so that the lubricating material for lubricating the shaft piece 2 and the block piece 1 is delivered to the surface of the shaft piece 2 through the injection cavity 3, thereby completing the lubrication process, and in order to improve the intelligence of the device, the device can cooperate with an infrared distance measuring sensor, a distance measuring photoelectric reflection plate 11, a single-chip microcomputer 19 and a storage module to perform self-defined maintenance, for example, the distance measuring photoelectric reflection plate 11 cooperates with the storage module 20 to record the moving distance of the block piece 1 during each moving process of the block piece 1, when the accumulated data reaches the preset maintenance threshold value, the micro booster pump 14 is started to pressurize the inside of the lubricating box 7, and the lubricating material is attached to the gap between the shaft piece 2 and the block piece 1 through the injection cavity 3 to perform lubrication.
[0037] Wherein, the outside of the plurality of injection nozzles 5 is sleeved with a first sealing ring 16, and the first sealing ring 16 is arranged to seal the injection nozzle 5 and the delivery cavity.
[0038] Wherein, the inside of the detection box 10 is further provided with a circuit board 17 and a battery module 18, a single-chip microcomputer 19 and a storage module 20 are arranged at the front end of the circuit board 17, and the circuit board 17 is connected with the battery module 18 and the infrared distance measuring module circuit through terminals and wires respectively, the upper end of the circuit board 17 is connected with the micro booster pump 14 through a flexible wire, the surface of the detection box 10 is provided with a clearance hole for installing the detection end of the infrared distance measuring sensor 9, the battery module 18 is arranged to supply power, and the storage module 20 is arranged to record and store the moving distance of the block piece 1 detected by the infrared distance measuring sensor 9.
[0039] Wherein, the inside of the sealing cover 12 is bonded with a second sealing ring 21 abutting against the top port of the lubricating box 7, and the second sealing ring 21 is arranged to seal the sealing cover 12 and the lubricating box 7.
[0040] The detection box 10 is provided with a gas permeation hole on one side for air circulation, and a groove is vertically formed on one side of the detection box 10 for inserting the filter assembly, and the gas permeation hole penetrates the middle part of the groove, the filter assembly comprises a fitting plate 22, an insertion plate 23, an insertion strip 24 and an air filter plate 25, the insertion plate 23 is arranged on one side of the fitting plate 22, a strip-shaped slot is formed on the side of the fitting plate 22 for mounting the insertion strip 24, the insertion strip 24 is integrally formed on the side wall of the insertion plate 23, the middle part of the insertion plate 23 and the fitting plate 22 is provided with an open slot for placing the air filter plate 25, and the middle part of the open slot and the gas permeation hole is provided with a dust screen 26, the air pressurized by the micro booster pump 14 is filtered by the filter assembly, and floating dust in the air is prevented from entering the lubricating box 7.
[0041] The distance measuring photoelectric reflection plate 11 is installed on the surface of the adsorption plate 27, the magnetic block 28 is fixed on the back of the adsorption plate 27, and the screw holes 29 for mounting the bolts are formed on the upper and lower ends of the adsorption plate 27, the magnetic block 28 is used for quickly fixing the adsorption plate 27, when the metal used on the numerical control machine tool cannot be adsorbed by the magnetic block 28, the bolt can be used for fixing, and the distance measuring precision of the infrared distance measuring sensor 9 is improved by arranging the distance measuring photoelectric reflection plate 11.
[0042] The utility model is not limited to the above-mentioned embodiment, anyone should know the structural change made under the inspiration of the utility model, any technical scheme with the same or similar utility model falls into the protection scope of the utility model. The utility model is not described in detail, and the technical, shape and structure parts are all known technology.
Claims
1. A lubrication mechanism for a numerically controlled machine tool comprising a block member (1), a shaft member (2), a lubrication tank (7) and a detection box (10), characterized in that, The middle part of the block piece (1) is provided with a shaft piece (2), a plurality of injection cavities (3) for injecting lubricating substances are arranged in the block piece (1), the side part of the block piece (1) is fixed with a connecting head (4) through a screw, the inner side of the connecting head (4) is provided with injection nozzles (5) matched with the number of injection cavities, the outer side of the connecting head (4) is fixed with a conveying pipe (6) through a pipe clamp, the other end of the conveying pipe (6) is communicated with the bottom of a lubricating tank (7); The side of the block piece (1) is fixed with two fixed sleeves (8) through screws, the two fixed sleeves (8) are respectively sleeved on the upper and lower ends of the lubricating tank (7), a detection box (10) for mounting an infrared distance sensor (9) is fixed on the back of the fixed sleeve (8), the detection end of the infrared distance sensor (9) is provided with a distance measuring photoelectric reflection plate (11) used in cooperation with the infrared distance sensor (9). The upper end of the lubricating tank (7) is threadedly connected with a sealing cover (12), a miniature booster pump (14) is mounted on the upper end of the sealing cover (12) through a machine box (13), the booster end of the miniature booster pump (14) penetrates the sealing cover (12) through a pipeline and is communicated with a one-way valve (15) in the interior of the lubricating tank (7).
2. A lubrication mechanism for a numerically controlled machine tool according to claim 1, characterized in that, The outer side of each of the plurality of injection nozzles (5) is sleeved with a first sealing ring (16).
3. A lubrication mechanism for a numerically controlled machine tool according to claim 1, characterized in that, The interior of the detection box (10) is further provided with a circuit board (17) and a battery module (18), a single-chip microcomputer (19) and a storage module (20) are arranged on the front end of the circuit board (17), and the circuit board (17) is connected with the battery module (18) and the infrared distance module through terminals and wires, respectively, the upper end of the circuit board (17) is connected with the miniature booster pump (14) through a flexible wire, and a clearance hole is arranged on the surface of the detection box (10) for mounting the detection end of the infrared distance sensor (9).
4. A lubrication mechanism for a numerically controlled machine tool according to claim 1, characterized in that, The interior of the sealing cover (12) is bonded with a second sealing ring (21) abutting against the top port of the lubricating tank (7).
5. A lubrication mechanism for a numerically controlled machine tool according to claim 1, characterized in that, A ventilation hole is horizontally arranged on one side of the detection box (10) for air circulation, a vertical groove is vertically arranged on one side of the detection box (10) for inserting a filtering assembly, and the ventilation hole penetrates the middle part of the groove, the filtering assembly comprises an embedded plate (22), an insertion plate (23), an insertion strip (24) and an air filter plate (25), one side of the embedded plate (22) is provided with the insertion plate (23), a strip-shaped groove is arranged on the side part of the embedded plate (22) for mounting the insertion strip (24), and the insertion strip (24) is integrally formed on the side wall of the insertion plate (23), the middle part of the insertion plate (23) and the embedded plate (22) is provided with an open groove for placing the air filter plate (25), and the middle part of the open groove and the ventilation hole is provided with a dustproof net (26).
6. A lubrication mechanism for a numerically controlled machine tool according to claim 1, characterized in that, The distance measuring photoelectric reflection plate (11) is mounted on the surface of an adsorption plate (27), a magnetic block (28) is fixed on the back of the adsorption plate (27), and screw holes (29) are arranged on the upper and lower ends of the adsorption plate (27) for mounting screws.