Power output device for drilling mechanism of seven-axis gantry boring and milling machine
By introducing a flow-collecting component, a filter screen, and a gear pump into the power output device of a boring and milling machine, the problem of metal chips damaging the worm gear in liquid lubricating oil was solved, thus achieving the purification of the lubricating oil and the protection of the worm gear.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGZHOU SANLI PRECISION MASCH CO LTD
- Filing Date
- 2025-04-15
- Publication Date
- 2026-04-21
AI Technical Summary
When existing boring and milling machine power output devices use a worm gear structure, metal chips are incorporated into the liquid lubricating oil, causing damage to the worm gear and making it impossible to effectively collect the metal chips.
A power output device with a flow-collecting component, a filter screen, and a gear pump was designed. The flow-collecting component collects lubricating oil, the filter screen filters metal debris, and the gear pump absorbs and filters lubricating oil. Combined with a telescopic drive device and an air filter, the device achieves the collection of metal debris and the purification of lubricating oil.
It effectively collects and filters metal debris from liquid lubricating oil, protects the worm gear, improves the cleanliness of the lubricating oil, extends the life of the device, and avoids the impact of debris on the transmission.
Smart Images

Figure CN224143974U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a power output device for the drilling mechanism of a seven-axis gantry milling machine. Background Technology
[0002] A boring and milling machine is a multi-functional machine tool capable of performing various machining tasks such as drilling, boring, and milling. Its drilling mechanism is primarily used for machining holes in workpieces, suitable for machining high-precision holes in box-type parts, mechanical parts, and other similar applications. The core function of the drilling mechanism is to achieve hole machining through tool rotation and feed motion, while ensuring the accuracy and surface quality of the hole.
[0003] When a boring and milling machine is working, it needs a power output device to drive the part to be boring and milled, so that the part can be rotated and replaced for boring and milling. The power output device transmits power through a worm gear. When using a worm gear structure, liquid lubricating oil is used. Over time, the worm gear will produce metal shavings that will become mixed into the liquid lubricating oil. When the liquid lubricating oil is changed, the metal shavings cannot be collected and separated. As a result, when liquid lubricating oil is added, the metal shavings will mix into the new liquid lubricating oil. The metal shavings will damage the worm gear when it meshes. Summary of the Invention
[0004] The purpose of this invention is to provide a power output device for the drilling mechanism of a seven-axis gantry milling machine, which can absorb the liquid lubricating oil that needs to be replaced in the housing while collecting metal debris in the liquid lubricating oil.
[0005] The technical solution to achieve the purpose of this utility model is as follows: This utility model has a box body with an opening on the rear side and a sealing plate that can cover and seal the opening. The box body has a front side plate, a left side plate, a right side plate, a top plate, and a bottom plate. A rotating shaft with an output end and an input end is rotatably installed inside the box body. The output end of the rotating shaft is rotatably installed on the front side plate and extends to the front side plate. The input end of the rotating shaft is rotatably installed on the sealing plate. A worm gear is fixedly installed on the part of the rotating shaft inside the box body. A worm gear that can form a transmission cooperation with the worm gear is rotatably installed inside the box body. A rotation drive device for driving the worm gear to rotate is fixedly installed on the box body. A baffle plate is provided on the side of the box body with the opening. The lower end of the baffle plate is fixedly connected to the bottom plate, and the two ends are fixedly connected to the left side plate and the right side plate, respectively. A receiving groove for placing lubricating oil is formed between the left side plate, right side plate, front side plate, and bottom plate. The receiving groove is equipped with a flow-gathering component that collects residual lubricating oil in the receiving groove to the side near the baffle. The sealing plate has multiple horizontally and evenly arranged oil drain holes, each located above the baffle. A suction tube is also provided, corresponding to each oil drain hole and inserted into the corresponding oil drain hole. The part of the suction tube that enters the housing through the oil drain hole extends toward the bottom plate, and the part of the suction tube that is on the outside is connected to an external suction device. A gear pump with an oil suction end located inside the housing and an oil outlet end located outside the housing is fixedly installed on the left side plate or right side plate. The oil suction end of the gear pump is set toward the receiving groove and extends into the receiving groove. The oil suction end of the gear pump has a filter mesh.
[0006] Furthermore, the flow-concentrating assembly includes a fixed plate, a rotating plate, and a telescopic drive device. Both the fixed plate and the rotating plate are horizontally positioned, with the fixed plate near the baffle and the rotating plate near the front side plate. Both the fixed plate and the rotating plate are located between the oil drain hole and the bottom plate. The two ends of the fixed plate are fixedly connected to the left and right side plates, respectively. The side of the fixed plate near the baffle is fixedly connected to the baffle, and one side of the rotating plate is rotatably connected to the side of the fixed plate away from the baffle. The two ends of the rotating plate press against the left and right side plates, respectively. An installation space for the telescopic drive device is formed between the fixed plate, the rotating plate, and the bottom plate. The telescopic drive device is located within the installation space and fixedly mounted on the bottom plate. The drive end of the telescopic drive device is connected to the lower end of the other side of the rotating plate. The suction end of the gear pump extends into the installation space, and the portion of the suction pipe that enters the housing through the oil drain hole extends towards the surface of the fixed plate.
[0007] Furthermore, a filter screen is also provided, with both sides of the filter screen detachably fixedly mounted on the rotating plate and the front side plate, respectively. The two ends of the filter screen extend along the extension direction of the two ends of the rotating plate. Magnetic blocks are fixedly mounted on both sides of the filter screen. The rotating plate and the front side plate are provided with slots, and a block to be attracted is fixedly mounted in the slots, which can form a magnetic attraction with the magnetic blocks. The two sides of the filter screen are detachably fixedly mounted on the rotating plate and the front side plate through the magnetic attraction between the magnetic blocks and the blocks to be attracted.
[0008] Furthermore, an air filter is fixedly installed on the housing, and a mounting hole is provided through the top plate. The air filter is fixedly installed in the mounting hole, with one end of the air filter extending into the housing and the other end of the air filter located on the outside.
[0009] Furthermore, the worm gear is rotatably mounted on the top plate, and the worm gear and worm wheel form a transmission engagement on the side facing the top plate. An observation window is provided at the upper end of the sealing plate, and the observation window is positioned facing the position where the worm gear and worm wheel form the transmission engagement.
[0010] Furthermore, a liquid level indicator is fixedly installed on the left or right side plate, with one end of the liquid level indicator located inside the receiving tank and the other end located outside the tank.
[0011] The present invention has the following positive effects: (1) The present invention has a collection component in the receiving tank that collects the residual lubricating oil in the receiving tank to the side near the baffle. Each oil drain hole and corresponding suction pipe on the sealing plate can absorb the oil collected by the collection component. A gear pump with an oil suction end located inside the box and an oil outlet end located outside the box is fixedly installed on the left or right side plate. The oil suction end of the gear pump is set towards the receiving tank and extends into the receiving tank. The gear pump can absorb most of the liquid lubricating oil in the receiving tank. At the same time, since the oil suction end of the gear pump has a filter mesh, the filter mesh can leave metal debris in the receiving tank, which is fast and efficient.
[0012] (2) The current-gathering component of this utility model includes a fixed plate, a rotating plate and a telescopic drive device. The rotating plate is driven to rotate by the telescopic drive device, thereby opening or closing the connection channel between the installation space and the box, so that the liquid lubricating oil with some metal fragments can enter the installation space, and the gear pump can leave the metal fragments in the installation space. At the same time, when the telescopic drive device drives the rotating plate to rotate and close the connection channel between the installation space and the box, the metal fragments in the installation space can be restricted in the installation space, and the newly added liquid lubricating oil can be prevented from contacting the metal fragments in the box.
[0013] (3) The present invention also includes a filter screen, the two sides of which are detachably fixedly mounted on the rotating plate and the front side plate respectively. The two ends of the filter screen extend along the extension direction of the two ends of the rotating plate. The two sides of the filter screen are detachably fixedly mounted on the rotating plate and the front side plate through the magnetic attraction of the magnetic block and the attracted block. The filter screen can filter out most of the metal debris in the liquid lubricating oil and leave most of the metal debris on the filter screen. When the telescopic drive device drives the rotating plate to rotate and close the connection channel between the installation space and the box, it can restrict the filter screen in the installation space and also restrict the metal debris on the filter screen in the installation space.
[0014] (4) An air filter is fixedly provided on the housing of this utility model. An installation hole is provided through the top plate. The air filter is fixedly installed in the installation hole. One end of the air filter extends into the housing and the other end of the air filter is located outside. The air filter can filter out dust and debris in the air and avoid dust and debris from affecting the transmission of the worm gear.
[0015] (5) A liquid level indicator is fixedly provided on the left or right side plate of this utility model. One end of the liquid level indicator is located in the receiving tank, and the other end of the liquid level indicator is located outside the box. The liquid level indicator can indicate the amount of liquid lubricating oil added to avoid over-adding. Attached Figure Description
[0016] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings, wherein...
[0017] Figure 1 This is a schematic diagram of the structure of this utility model;
[0018] Figure 2 This is a front view of the present invention;
[0019] Figure 3 This is a rear view of the present invention;
[0020] Figure 4 This is the right view of the present invention;
[0021] Figure 5 This is a rear view of the present invention after the sealing plate has been removed;
[0022] Figure 6 This is a schematic diagram of the installation of the current-concentrating component of this utility model.
[0023] In this diagram, the components are: 1. Box body; 11. Front side plate; 12. Left side plate; 13. Right side plate; 14. Top plate; 15. Bottom plate; 2. Sealing plate; 21. Oil drain hole; 22. Observation window; 3. Rotating shaft; 4. Worm gear; 5. Rotation drive device; 6. Receiving tank; 7. Flow gathering component; 8. Fixed plate; 81. Rotating plate; 82. Telescopic drive device; 83. Gear pump; 9. Air filter; 10. Baffle; a. Installation space; b. Filter screen; c. Liquid level indicator; d. Detailed Implementation
[0024] See Figures 1 to 6This utility model has a box 1 with an opening on the rear side and a sealing plate 2 that can cover and seal the opening. The box 1 has a front side plate 11, a left side plate 12, a right side plate 13, a top plate 14, and a bottom plate 15. A rotating shaft 3 with an output end and an input end is rotatably installed inside the box 1. The output end of the rotating shaft 3 is rotatably mounted on the front side plate 11 and extends to the front side plate 11. The input end of the rotating shaft 3 is rotatably mounted on the sealing plate 2. A worm gear 4 is fixedly installed on the part of the rotating shaft 3 inside the box 1. A worm 5 that can form a transmission cooperation with the worm gear 4 is rotatably installed inside the box 1. A rotation drive device 6 for driving the worm 5 to rotate is fixedly installed on the box 1. A baffle a is provided on the side of the box 1 with the opening. The lower end is fixedly connected to the bottom plate 15 and the two ends are fixedly connected to the left side plate 12 and the right side plate 13 respectively. A receiving groove 7 for placing lubricating oil is formed between the baffle a, the left side plate 12, the right side plate 13, the front side plate 11, and the bottom plate 15. The container is equipped with a flow-gathering component 8 that collects residual lubricating oil in the receiving tank 7 to the side near the baffle a. The sealing plate 2 has multiple horizontally and evenly arranged oil drain holes 21, each located above the baffle a. A suction tube is also provided, corresponding to each oil drain hole 21 and inserted into the corresponding drain hole 21. The portion of the suction tube entering the housing 1 through the oil drain hole 21 extends towards the bottom plate 15, while the external portion connects to an external suction device. A gear pump 9 is fixedly mounted on the left side plate 12 or right side plate 13, having an oil suction end located inside the housing 1 and an oil outlet end located outside the housing 1. The oil suction end of the gear pump 9 faces the receiving tank 7 and extends into the receiving tank 7. The oil suction end of the gear pump 9 has a filter screen c. The gear pump 9 can absorb most of the liquid lubricating oil in the receiving tank 7, and the filter screen c on the oil suction end of the gear pump 9 can retain metal debris in the receiving tank 7 quickly and efficiently.
[0025] The flow-concentrating assembly 8 includes a fixed plate 81, a rotating plate 82, and a telescopic drive device 83. Both the fixed plate 81 and the rotating plate 82 are horizontally arranged. The fixed plate 81 is positioned near the baffle a, and the rotating plate 82 is positioned near the front side plate 11. Both the fixed plate 81 and the rotating plate 82 are located between the oil drain hole 21 and the bottom plate 15. The two ends of the fixed plate 81 are fixedly connected to the left side plate 12 and the right side plate 13, respectively. The side of the fixed plate 81 closest to the baffle a is fixedly connected to the baffle a, and one side of the rotating plate 82 rotates relative to the side of the fixed plate 81 away from the baffle a. The rotating plate 82 is connected, and its two ends press against the left side plate 12 and the right side plate 13 respectively. The fixed plate 81 and the rotating plate 82 form an installation space b between the fixed plate 81 and the bottom plate 15 for installing the telescopic drive device 83. The telescopic drive device 83 is located in the installation space b and is fixedly installed on the bottom plate 15. The driving end of the telescopic drive device 83 is connected to the lower end of the other side of the rotating plate 82. The oil suction end of the gear pump 9 extends into the installation space b, and the part of the suction pipe that enters the inside of the housing 1 through the oil discharge hole 21 extends toward the surface of the fixed plate 81.
[0026] A spherical connector is fixedly provided on the driving end of the telescopic drive device 83, and the driving end of the telescopic drive device 83 is rotatably connected to the rotating plate 82 through the spherical connector.
[0027] The aforementioned baffle a is installed with bolts. When the installation space b needs to be cleaned later, baffle a can be removed.
[0028] A filter screen c is also provided, with its two sides detachably fixed on the rotating plate 82 and the front side plate 11, respectively. The two ends of the filter screen c extend along the extension direction of the two ends of the rotating plate 82. Magnetic blocks are fixed on both sides of the filter screen c. The rotating plate 82 and the front side plate 11 are both provided with slots. A block to be attracted is fixed in the slot and can form a magnetic attraction with the magnetic block. The two sides of the filter screen c are detachably fixed on the rotating plate 82 and the front side plate 11 through the magnetic attraction between the magnetic block and the block to be attracted.
[0029] An air filter 10 is fixedly installed on the housing 1, and an installation hole is provided through the top plate 14. The air filter 10 is fixedly installed in the installation hole, with one end of the air filter 10 extending into the housing 1 and the other end of the air filter 10 located on the outside.
[0030] The worm 5 is rotatably mounted on the top plate 14. The worm 5 and the worm wheel 4 form a transmission engagement on the side facing the top plate 14. The upper end of the sealing plate 2 is provided with an observation window 22, which is positioned facing the position where the worm 5 and the worm wheel 4 form a transmission engagement.
[0031] A liquid level indicator d is fixedly installed on the left side plate 12 or the right side plate 13. One end of the liquid level indicator d is located inside the receiving tank 7, and the other end of the liquid level indicator d is located outside the tank 1.
[0032] The working principle of this utility model is as follows: The rotating plate 82 is driven to rotate by the rotating drive device 6, opening the connection channel between the installation space b and the box 1. At the same time, the filter screen c is unfolded from the installation space b. The liquid lubricating oil in the box 1 enters the installation space b through the connection channel. When the liquid lubricating oil enters the installation space b, most of the metal debris is left on the filter screen c. At this time, the gear pump 9 is started to absorb the liquid lubricating oil that has entered the installation space b, while filtering out some of the metal debris flowing into the installation space b. Meanwhile, some of the liquid lubricating oil in the box 1 can enter the fixed plate 81 under the guidance of the rotating plate 82. The liquid lubricating oil on the fixed plate 81 is absorbed by the external suction device through the suction pipe.
[0033] After absorption is complete, the rotating drive device 6 drives the rotating plate 82 to rotate, closes the connection channel between the installation space b and the box 1, confines the filter screen c within the installation space b, and confines the metal debris within the installation space b. Liquid lubricating oil is added into the box 1, and the amount of liquid lubricating oil added is observed through the liquid level indicator d.
[0034] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above descriptions are merely specific embodiments of this utility model and are not intended to limit this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A power output device for a drilling mechanism of a seven-axis gantry milling machine, comprising a housing (1) with an opening on the rear side and a sealing plate (2) for covering and sealing the opening, the housing (1) having a front side plate (11), a left side plate (12), a right side plate (13), a top plate (14) and a bottom plate (15), a rotating shaft (3) having an output end and an input end being rotatably disposed inside the housing (1), the output end of the rotating shaft (3) being rotatably disposed on the front side plate (11) and extending to the front side plate (11), the input end of the rotating shaft (3) being rotatably disposed on the sealing plate (2), a worm gear (4) being fixedly disposed on the portion of the rotating shaft (3) located inside the housing (1), a worm (5) being rotatably disposed inside the housing (1) and capable of forming a transmission cooperation with the worm gear (4), and a rotation drive device (6) for driving the worm (5) to rotate being fixedly disposed on the housing (1); characterized in that: The box body (1) has an opening on one side with a baffle (a) whose lower end is fixedly connected to the bottom plate (15) and whose two ends are fixedly connected to the left side plate (12) and the right side plate (13) respectively. A receiving groove (7) for placing lubricating oil is formed between the baffle (a), the left side plate (12), the right side plate (13), the front side plate (11) and the bottom plate (15). The receiving groove (7) is provided with a flow-gathering component (8) that collects the residual lubricating oil in the receiving groove (7) to the side near the baffle (a). The sealing plate (2) is provided with a plurality of horizontally and evenly arranged oil drain holes (21). Each oil drain hole (21) is located above the baffle (a). It is also provided with a suction tube that corresponds to each of the oil drain holes (21) and is inserted into the corresponding oil drain hole (21). The part of the suction tube that enters the inside of the box (1) through the oil drain hole (21) extends toward the bottom plate (15), and the part of the suction tube that is located outside is connected to the external suction device. A gear pump (9) with an oil suction end located inside the box (1) and an oil outlet end located outside the box (1) is fixedly provided on the left side plate (12) or the right side plate (13). The oil suction end of the gear pump (9) is set toward the receiving groove (7) and extends into the inside of the receiving groove (7). The oil suction end of the gear pump (9) has a filter screen (c).
2. The power output device for the drilling mechanism of a seven-axis gantry boring and milling machine according to claim 1, characterized in that: The current-gathering assembly (8) includes a fixed plate (81), a rotating plate (82), and a telescopic drive device (83). The fixed plate (81) and the rotating plate (82) are both horizontally arranged. The fixed plate (81) is located near the baffle (a), and the rotating plate (82) is located near the front side plate (11). The fixed plate (81) and the rotating plate (82) are both located between the oil drain hole (21) and the bottom plate (15). The two ends of the fixed plate (81) are fixedly connected to the left side plate (12) and the right side plate (13) respectively. The side of the fixed plate (81) near the baffle (a) is fixedly connected to the baffle (a), and the side of the rotating plate (82) is connected to the fixed plate (81) away from the baffle (a). The rotating plate (82) is rotatably connected to one side of the fixed plate (81), and the two ends of the rotating plate (82) are pressed against the left side plate (12) and the right side plate (13) respectively. The fixed plate (81) and the rotating plate (82) form an installation space (b) for installing the telescopic drive device (83) between the base plate (15). The telescopic drive device (83) is located in the installation space (b) and fixedly installed on the base plate (15). The drive end of the telescopic drive device (83) is connected to the lower end of the other side of the rotating plate (82). The oil suction end of the gear pump (9) extends into the installation space (b), and the part of the suction pipe that enters the inside of the box (1) through the oil drain hole (21) extends toward the plate surface of the fixed plate (81).
3. The power output device for the drilling mechanism of a seven-axis gantry boring and milling machine according to claim 2, characterized in that: A filter screen (c) is also provided. The two sides of the filter screen (c) are detachably fixed on the rotating plate (82) and the front side plate (11), respectively. The two ends of the filter screen (c) extend along the extension direction of the two ends of the rotating plate (82). Magnetic blocks are fixed on both sides of the filter screen (c). The rotating plate (82) and the front side plate (11) are provided with slots. A block to be attracted is fixed in the slot and can form a magnetic attraction with the magnetic block. The two sides of the filter screen (c) are detachably fixed on the rotating plate (82) and the front side plate (11) through the magnetic attraction of the magnetic block and the block to be attracted.
4. The power output device for the drilling mechanism of a seven-axis gantry milling machine according to claim 1, characterized in that: An air filter (10) is fixedly installed on the housing (1), and an installation hole is provided through the top plate (14). The air filter (10) is fixedly installed in the installation hole, with one end of the air filter (10) extending into the housing (1) and the other end of the air filter (10) located on the outside.
5. The power output device for the drilling mechanism of a seven-axis gantry milling machine according to claim 1, characterized in that: The worm (5) is rotatably mounted on the top plate (14). The worm (5) and the worm wheel (4) form a transmission engagement on the side facing the top plate (14). The upper end of the sealing plate (2) is provided with an observation window (22), which is positioned facing the position where the worm (5) and the worm wheel (4) form a transmission engagement.
6. The power output device for the drilling mechanism of a seven-axis gantry boring and milling machine according to claim 1, characterized in that: A liquid level indicator (d) is fixedly provided on the left side plate (12) or the right side plate (13). One end of the liquid level indicator (d) is located inside the receiving tank (7), and the other end of the liquid level indicator (d) is located outside the box body (1).