A linear motor module

Abstract

The present invention relates to the field of linear motors, and specifically to a linear motor module comprising a base, a stator, a T-shaped slide, a slide, a mover, a connecting plate, and a roller. A replacement mechanism is mounted on the connecting plate, comprising two eraser plates, one located on the upper and lower sides of the T-shaped slide, both of which are in contact with the T-shaped slide. An oil spray pipe and an oil storage tank are fixedly connected to the connecting plate, the oil spray pipe and the oil storage tank being connected via an oil inlet pipe, the oil spray pipe being provided with a plurality of nozzles facing the T-shaped slide. The replacement mechanism also comprises a moving member for driving the two eraser plates toward and away from each other, and a valve member is mounted in the oil inlet pipe. The present invention solves the problem of low lubricating oil replacement efficiency.

Description

Technical Field

[0001] The present invention relates to the field of linear motors, and in particular to a linear motor module. Background Art

[0002] A linear motor is an electric motor that achieves linear motion. It breaks away from the traditional rotary motor model, which relies on intermediate conversion mechanisms such as screws, racks, and belts to achieve linear motion. Linear motors can directly generate linear motion, making equipment simpler and more efficient.

[0003] In the related technology, the linear motor module usually includes a base, a stator, a slide and a mover; the stator is installed in the base, the slide is slidably installed on the base, the mover is installed at the bottom of the base, the mover is adapted to the stator, and the two opposite sides of the base are fixedly connected with T-shaped slide rails, the two T-shaped slide rails are parallel to each other, and both sides of the slide are fixedly connected with connecting plates, and two groups of limiting components are rotatably installed on the connecting plates, and the two groups of limiting components are respectively located on the upper and lower sides of the T-shaped slide rails, and each group of limiting components includes a plurality of equally spaced rollers, and the plurality of rollers are provided with grooves adapted to the T-shaped slide rails; during the use of the linear motor module, the staff usually applies lubricating oil on the T-shaped slide rail to reduce the friction between the T-shaped slide rail and the roller and extend the service life of the T-shaped slide rail.

[0004] Regarding the above-mentioned related technologies, the performance of the lubricating oil will deteriorate during use due to mixing with impurities such as dust and metal particles, and it needs to be replaced regularly. Generally, the staff first cleans the old lubricating oil remaining on the surface of the T-shaped slide rail, and then reapplies new lubricating oil. The staff's operation process is relatively complicated, resulting in low efficiency in lubricating oil replacement. Summary of the Invention

[0005] In order to solve the problem of low efficiency in replacing lubricating oil, the present invention provides a linear motor module.

[0006] The present invention provides a linear motor module that adopts the following technical solution:

[0007] A linear motor module includes a base, a stator, a T-shaped slide, a slide, a mover, a connecting plate and a roller. A replacement mechanism is installed on the connecting plate. The replacement mechanism includes two erasing plates, which are respectively located on the upper and lower sides of the T-shaped slide. Both of the erasing plates are in contact with the T-shaped slide. An oil injection pipe and an oil storage tank are fixedly connected to the connecting plate. The oil injection pipe and the oil storage tank are connected through an oil inlet pipe. A plurality of nozzles facing the T-shaped slide are provided on the oil injection pipe. The replacement mechanism also includes a moving part for driving the two erasing plates to move closer to and away from each other. A valve part is installed in the oil inlet pipe.

[0008] Preferably, the two erasing plates are both slidably connected to the connecting plate, the moving part includes a bidirectional screw rotatably mounted on the connecting plate, both ends of the bidirectional screw are respectively passed through the erasing plate and are threadedly connected to the erasing plate, a first rack is slidably mounted on the connecting plate, a first gear meshing with the first rack is fixedly connected to the bidirectional screw, a first spring is fixedly connected between the first rack and the connecting plate, a driving mechanism for driving the first rack to move is installed on the base, and a locking mechanism for limiting the first rack is installed on the connecting plate.

[0009] Preferably, the driving mechanism includes a detection unit installed on the connecting plate and a driving rod slidably installed on the end of the base, the driving rod can contact the first rack, the detection unit can detect abnormal shaking of the slide, and the detection unit can drive the driving rod to move.

[0010] Preferably, the detection unit includes a detection rod passed through the connecting plate, one end of the detection rod is slidably connected to the base, the other end of the detection rod is fixedly connected to the detection plate, the end of the base close to the driving rod is fixedly connected to the mounting plate, the bottom of the mounting plate is fixedly connected to the water bag, the detection plate is located below the water bag and can contact the water bag, a mounting tube is fixedly connected to the base, the water bag is connected to the mounting tube through the water inlet pipe, a one-way valve is provided in the water inlet pipe, a push rod is passed through the mounting tube, the push rod is fixedly connected to the driving rod, a second spring is fixedly connected between the driving rod and the base, the mounting tube is connected to the water bag through the drain pipe, and a closing mechanism is installed in the drain pipe.

[0011] Preferably, the locking mechanism includes a locking rod slidably mounted on the connecting plate, a third spring is fixedly connected between the locking rod and the connecting plate, a plug-in slot for inserting the locking rod is provided on the first rack, an unlocking rod is fixedly connected to the end of the base away from the driving rod, an unlocking slot for inserting the unlocking rod is provided on the locking rod, and an unlocking inclined surface is formed on the end face of the unlocking slot close to the third spring.

[0012] Preferably, the closing mechanism includes a closing shaft rotatably installed in the drain pipe, a closing door is fixedly connected to the closing shaft, the closing shaft extends to the outside of the drain pipe and is fixedly connected to a second gear, a second rack meshing with the second gear is slidably installed on the base, a fourth spring is fixedly connected between the second rack and the base, a battery and an electromagnet are fixedly connected to the base, the battery and the electromagnet are electrically connected, an iron block adapted to the electromagnet is fixedly connected to the second rack, and a switch mechanism for controlling the battery to power on and off the electromagnet is installed at the end of the base away from the driving rod.

[0013] Preferably, a switch slot is provided on the base, and the switch mechanism includes a switch rod slidably installed in the switch slot, a fifth spring is fixedly connected between the switch rod and the inner wall of the switch slot, a first switch electrically connected to the battery is provided on the switch rod, a sixth spring is fixedly connected to the inner wall of the switch slot, a matching block is fixedly connected to the sixth spring, a second switch electrically connected to the electromagnet is provided on the matching block, the first switch is used in conjunction with the second switch, an abutment rod is slidably installed on the connecting plate, the abutment rod can contact the switch rod, an abutment inclined surface contacting the first rack is formed on the abutment rod, and a seventh spring is fixedly connected between the abutment rod and the connecting plate.

[0014] Preferably, the valve component includes a valve shaft rotatably mounted on the oil inlet pipe, a valve plate fixedly connected to the valve shaft, the valve shaft extends to the outside of the oil inlet pipe and is fixedly connected to a third gear, a third rack meshing with the third gear is slidably mounted on the connecting plate, and the third rack is fixedly connected to the first rack via a connecting rod.

[0015] Preferably, the two erasing plates form a group, and the replacement mechanism includes two groups of erasing plates, which are respectively located at the front and rear ends of the connecting plate. The erasing plates are both formed with erasing grooves that are compatible with T-shaped slide rails, and the erasing plates are provided with erasing sponges.

[0016] Preferably, the fuel injection pipe is a C-shaped pipe, and the T-shaped slide rail is located in the middle of the fuel injection pipe.

[0017] In summary, the present invention includes at least the following beneficial technical effects:

[0018] 1. When the lubricating oil on the T-type slide rail needs to be replaced, the moving part is started and the valve part is opened. The moving part drives the two erasing plates to approach each other and contact the T-type slide rail. During the operation of the slide seat, the connecting plate drives the two erasing plates to move to erase the old lubricating oil on the T-type slide rail. At the same time, the new lubricating oil in the oil storage tank enters the oil spray pipe through the oil inlet pipe and is sprayed onto the T-type slide rail through the nozzle. The lubricating oil on the T-type slide rail can be replaced, which is convenient for the staff to operate and solves the problem of low efficiency of lubricating oil replacement.

[0019] 2. When the slide shakes abnormally during operation, the slide drives the detection plate to shake, and the detection plate squeezes the water bag, so that the water in the water bag flows into the installation pipe through the water inlet pipe. At this time, the closing mechanism blocks the drain pipe, and the water flow in the installation pipe pushes the push rod to move, and the push rod drives the driving rod to move so that the driving rod is opposite to the first rack. When the slide drives the connecting plate to move to the end of the base, the first rack abuts the driving rod, and the first rack moves relative to the connecting plate. The first rack can then drive the two erasing plates to contact the T-shaped slide rail;

[0020] 3. When the connecting plate moves to the end of the base away from the driving rod, the lubricating oil on the T-shaped slide rail is sprayed. At this time, the switch mechanism controls the battery to energize the electromagnet, and the electromagnet attracts the iron block. The iron block drives the second rack to move, and the second rack drives the second gear to rotate. The second gear drives the closing shaft to rotate, and the closing shaft drives the closing door to rotate, so that the drain pipe is opened. The second spring can drive the push rod to move in the opposite direction, squeezing the water in the installation pipe into the water bag through the drain pipe, and the driving rod returns to its initial position for continued use next time. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 Schematic diagram of the overall structure of the linear motor module according to an embodiment of the present invention.

[0022] Figure 2 2 is a schematic structural diagram of a slide according to an embodiment of the present invention.

[0023] Figure 3 2 is a schematic structural diagram of a replacement mechanism according to an embodiment of the present invention.

[0024] Figure 4 Schematic diagram of the structure of the valve component of the embodiment of the present invention.

[0025] Figure 5 2 is a schematic structural diagram of an abutment rod according to an embodiment of the present invention.

[0026] Figure 6 2 is a schematic structural diagram of a driving mechanism according to an embodiment of the present invention.

[0027] Figure 7 2 is a schematic structural diagram of a sealing mechanism according to an embodiment of the present invention.

[0028] Figure 8 2 is a schematic structural diagram of an unlocking lever according to an embodiment of the present invention.

[0029] Figure 9 Schematic diagram of the structure of the switch mechanism according to the embodiment of the present invention.

[0030] Explanation of the accompanying symbols: 1. Base; 11. Stator; 12. T-type slide rail; 13. Mounting plate; 2. Slide seat; 21. Mover; 22. Connecting plate; 23. Roller; 3. Replacement mechanism; 31. Eraser plate; 32. Oil injection pipe; 33. Oil inlet pipe; 34. Bidirectional screw; 341. First gear; 35. First rack; 36. First spring; 37. Valve shaft; 371. Third gear; 38. Third rack; 39. Connecting rod; 4. Driving mechanism; 41. Driving rod; 42. Detection rod; 43. Detection plate ;44. Water bag;45. Mounting tube;46. Water inlet pipe;47. Push rod;48. Second spring;49. Drain pipe;5. Locking mechanism;51. Locking rod;52. Third spring;53. Unlocking rod;6. Closing mechanism;61. Closing shaft;611. Second gear;62. Second rack;63. Fourth spring;64. Electromagnet;65. Iron block;7. Switching mechanism;71. Switching rod;72. Fifth spring;73. Sixth spring;74. Matching block;75. Abutting rod;76. Seventh spring. DETAILED DESCRIPTION

[0031] The following is combined with Figure 1 -Attached Figure 9 The present invention is described in further detail.

[0032] The embodiment of the present invention discloses a linear motor module. Figures 1 to 3, including a base 1, a stator 11, a T-shaped slide 12, a slide 2, a mover 21, a connecting plate 22 and a roller 23. The stator 11 is fixedly connected to the base 1. Two T-shaped slides 12 are provided and are respectively fixedly connected to both sides of the base 1. The slide 2 is placed above the base 1. The mover 21 is fixedly connected to the bottom of the slide 2. Two connecting plates 22 are provided and are respectively fixedly connected to both sides of the slide 2. A plurality of rollers 23 are provided, and the plurality of rollers 23 are respectively located on the upper and lower sides of the T-shaped slide 12. A plurality of rollers 23 are provided with grooves adapted to the T-shaped slide 12. A changing mechanism 3 is installed on the connecting plate 22. The changing mechanism 3 includes two erasing plates 31. The two erasing plates 31 are respectively located on the upper and lower sides of the T-shaped slide 12. The two erasing plates 31 are in contact with the T-shaped slide 12. An oil injection pipe 32 and an oil storage tank are fixedly connected to the connecting plate 22. The spray The oil pipe 32 is connected to the oil storage tank through an oil inlet pipe 33, and a plurality of nozzles facing the T-shaped slide 12 are provided on the oil injection pipe 32. The replacement mechanism 3 also includes a moving part for driving the two erasing plates 31 to move closer to and away from each other, and a valve part is installed in the oil inlet pipe 33; when the lubricating oil on the T-shaped slide 12 needs to be replaced, the moving part is started and the valve part is opened. The moving part drives the two erasing plates 31 to move closer to each other and contact the T-shaped slide 12. During the operation of the slide 2, the connecting plate 22 drives the two erasing plates 31 to move, erasing the old lubricating oil on the T-shaped slide 12, and at the same time, the new lubricating oil in the oil storage tank enters the oil injection pipe 32 through the oil inlet pipe 33 and is sprayed on the T-shaped slide 12 through the nozzle, thereby completing the replacement of the lubricating oil on the T-shaped slide 12, which is convenient for the staff to operate and solves the problem of low efficiency in replacing the lubricating oil.

[0033] Reference Figure 3 and Figure 4, the two erasing plates 31 are slidably connected to the connecting plate 22, and the moving part includes a bidirectional screw 34 rotatably mounted on the connecting plate 22, and the two ends of the bidirectional screw 34 are respectively passed through the erasing plate 31 and are threadedly connected to the erasing plate 31, and a first rack 35 is slidably mounted on the connecting plate 22, and a first gear 341 that is fixedly connected to the bidirectional screw 34 and meshes with the first rack 35 is fixedly connected between the first rack 35 and the connecting plate 22. A first spring 36 is fixedly connected between the first rack 35 and the connecting plate 22, and a driving mechanism 4 for driving the first rack 35 to move is installed on the base 1, and a locking mechanism 5 for limiting the first rack 35 is installed on the connecting plate 22; when the T-type slide rail needs to be adjusted When the lubricating oil on 12 is replaced, the driving mechanism 4 is started, and the driving mechanism 4 drives the first rack 35 to move, compressing the first spring 36, and the first rack 35 drives the first gear 341 to rotate, and the first gear 341 drives the bidirectional screw 34 to rotate, and the bidirectional screw 34 drives the two erasing plates 31 to approach each other and contact with the T-shaped slide rail 12. At this time, the locking mechanism 5 limits the first rack 35. When the lubricating oil on the T-shaped slide rail 12 is replaced, the locking mechanism 5 releases the limit of the first rack 35, and the first spring 36 pushes the first rack 35 to move in the opposite direction, and the two erasing plates 31 can be separated from the T-shaped slide rail 12.

[0034] Reference Figures 2 to 6 The driving mechanism 4 includes a detection unit installed on the connecting plate 22 and a driving rod 41 slidably installed at the end of the base 1. The driving rod 41 can contact the first rack 35. The detection unit can detect abnormal shaking of the slide 2, and the detection unit can drive the driving rod 41 to move; when the slide 2 shakes abnormally during operation, the detection unit drives the driving rod 41 to move so that the driving rod 41 is opposite to the first rack 35. When the slide 2 drives the connecting plate 22 to move to the end of the base 1, the first rack 35 abuts against the driving rod 41, and the first rack 35 moves relative to the connecting plate 22. The first rack 35 can drive the two erasing plates 31 to contact the T-shaped slide rail 12.

[0035] Reference Figures 2 to 6The detection unit includes a detection rod 42 that is inserted into the connecting plate 22. One end of the detection rod 42 is slidably connected to the base 1. The other end of the detection rod 42 is fixedly connected to a detection plate 43. One end of the base 1 close to the driving rod 41 is fixedly connected to the mounting plate 13. The bottom of the mounting plate 13 is fixedly connected to a water bag 44. The detection plate 43 is located below the water bag 44 and can contact the water bag 44. A mounting pipe 45 is fixedly connected to the base 1. The water bag 44 is connected to the mounting pipe 45 through a water inlet pipe 46. A one-way valve is provided in the water inlet pipe 46. A push rod 47 is inserted into the mounting pipe 45. The push rod 47 is fixedly connected to the driving rod 41. The driving rod 41 is fixedly connected to the base 1. It is connected to a second spring 48, and the mounting tube 45 is connected to the water bag 44 through a drain pipe 49, in which a closing mechanism 6 is installed; when the slide 2 shakes abnormally during operation, the slide 2 drives the connecting plate 22 to shake, the connecting plate 22 drives the detection rod 42 to shake, the detection rod 42 drives the detection plate 43 to shake, and the detection plate 43 squeezes the water bag 44, so that the water in the water bag 44 flows into the mounting tube 45 through the water inlet pipe 46. At this time, the closing mechanism 6 blocks the drain pipe 49, and the water flow in the mounting tube 45 pushes the push rod 47 to move, and the push rod 47 drives the driving rod 41 to move, so that the driving rod 41 is opposite to the first rack 35.

[0036] Reference Figures 2 to 8 When the first rack 35 is moved, the locking rod 51 is opposite to the plug groove, and the third spring 52 pushes the locking rod 51 to insert into the plug groove, locking the first rack 35. When the lubricating oil on the T-shaped slide 12 is replaced, the connecting plate 22 moves to the end of the base 1 away from the driving rod 41. At this time, the unlocking rod 53 can contact the unlocking inclined surface and push the locking rod 51 to move, so that the locking rod 51 is disengaged from the plug groove, and the first spring 36 can drive the first rack 35 to move in the opposite direction, so that the two erasing plates 31 are separated from the T-shaped slide 12.

[0037] Reference Figures 6 to 9The closing mechanism 6 includes a closing shaft 61 rotatably mounted in the drain pipe 49, a closing door fixedly connected to the closing shaft 61, the closing shaft 61 extends to the outside of the drain pipe 49 and is fixedly connected to a second gear 611, a second rack 62 meshing with the second gear 611 is slidably mounted on the base 1, a fourth spring 63 is fixedly connected between the second rack 62 and the base 1, a battery and an electromagnet 64 are fixedly connected to the base 1, the battery and the electromagnet 64 are electrically connected, an iron block 65 adapted to the electromagnet 64 is fixedly connected to the second rack 62, and a switch mechanism 7 for controlling the battery to energize and de-energize the electromagnet 64 is installed at the end of the base 1 away from the driving rod 41; When the connecting plate 22 moves to the end of the base 1 away from the driving rod 41, the lubricating oil on the T-shaped slide rail 12 is sprayed. At this time, the switch mechanism 7 controls the battery to energize the electromagnet 64, and the electromagnet 64 attracts the iron block 65. The iron block 65 drives the second rack 62 to move, and the second rack 62 drives the second gear 611 to rotate. The second gear 611 drives the closing shaft 61 to rotate, and the closing shaft 61 drives the closing door to rotate, so that the drain pipe 49 is opened. The second spring 48 can drive the push rod 47 to move in the opposite direction, squeezing the water flow in the installation tube 45 into the water bag 44 through the drain pipe 49, and the driving rod 41 returns to the initial position for continued use next time.

[0038] Reference Figures 4 to 9 A switch slot is provided on the base 1. The switch mechanism 7 includes a switch rod 71 slidably mounted in the switch slot. A fifth spring 72 is fixedly connected between the switch rod 71 and the inner wall of the switch slot. A first switch electrically connected to the battery is provided on the switch rod 71. A sixth spring 73 is fixedly connected to the inner wall of the switch slot. A matching block 74 is fixedly connected to the sixth spring 73. A second switch electrically connected to the electromagnet 64 is provided on the matching block 74. The first switch and the second switch are used in conjunction with each other. An abutment rod 75 is slidably mounted on the connecting plate 22. The abutment rod 75 can contact the switch rod 71. A shape is formed on the abutment rod 75 that is in contact with the first The abutment slope of a rack 35 is in contact with the abutment rod 75, and a seventh spring 76 is fixedly connected between the abutment rod 75 and the connecting plate 22; when the first rack 35 drives the two erasing plates 31 to contact the T-shaped slide rail 12, the first rack 35 pushes the abutment rod 75 to move through the abutment slope, so that the abutment rod 75 is opposite to the switch rod 71. When the connecting plate 22 moves to the end of the base 1 away from the driving rod 41, the abutment rod 75 contacts the switch rod 71 and pushes the switch rod 71 to move. The switch rod 71 drives the first switch to contact the second switch, and the battery can energize the electromagnet 64, so that the driving rod 41 returns to its initial position.

[0039] Reference Figure 3 and Figure 4The valve component includes a valve shaft 37 rotatably mounted on the oil inlet pipe 33, a valve plate is fixedly connected to the valve shaft 37, the valve shaft 37 extends to the outside of the oil inlet pipe 33, and is fixedly connected to a third gear 371, a third rack 38 meshing with the third gear 371 is slidably mounted on the connecting plate 22, and the third rack 38 is fixedly connected to the first rack 35 by a connecting rod 39; during the movement of the first rack 35, the first rack 35 drives the connecting rod 39 to move, the connecting rod 39 drives the third rack 38 to move, the third rack 38 drives the third gear 371 to rotate, and the third gear 371 drives the valve shaft 37 to rotate, thereby opening the oil inlet pipe 33.

[0040] Reference Figure 3 The two erasing plates 31 form a group. The replacement mechanism 3 includes two groups of erasing plates 31, which are respectively located at the front and rear ends of the connecting plate 22. The erasing plates 31 are each formed with an erasing groove that is adapted to the T-shaped slide rail 12. An erasing sponge is sleeved on the erasing plate 31. When the erasing sponge has been used for a period of time, it is convenient to replace it; the oil spray pipe 32 is a C-shaped pipe, and the T-shaped slide rail 12 is located in the middle of the oil spray pipe 32, so that the lubricating oil can be evenly sprayed on the T-shaped slide rail 12.

[0041] The implementation principle of a linear motor module in an embodiment of the present invention is as follows: when the slide 2 shakes abnormally during operation, the slide 2 drives the connecting plate 22 to shake, the connecting plate 22 drives the detection plate 43 to shake, the detection plate 43 squeezes the water bag 44, so that the water in the water bag 44 enters the installation tube 45 through the water inlet pipe 46, and pushes the push rod 47 to move, the push rod 47 drives the driving rod 41 to move, so that the driving rod 41 is opposite to the first rack 35, and when the connecting plate 22 moves to the bottom When the end of the seat 1 is reached, the first rack 35 abuts against the driving rod 41, and the first rack 35 moves relative to the connecting plate 22. The first rack 35 drives the bidirectional screw 34 to rotate, and the bidirectional screw 34 drives the two erasing plates 31 to approach each other and contact the T-shaped slide 12. During the operation of the slide 2, the connecting plate 22 drives the two erasing plates 31 to move, and the old lubricating oil on the T-shaped slide 12 is wiped off. The first rack 35 drives the valve shaft 37 to rotate, opening the oil inlet pipe 33, and storing The new lubricating oil in the oil tank enters the oil spray pipe 32 through the oil inlet pipe 33 and is sprayed onto the T-shaped slide rail 12 through the nozzle. At this time, the locking rod 51 is inserted into the plug-in slot to lock the first rack 35. When the connecting plate 22 moves to the end of the base 1 away from the driving rod 41, the abutting rod 75 contacts the switch rod 71 and pushes the switch rod 71 to move. The switch rod 71 drives the first switch to contact the second switch, and the battery energizes the electromagnet 64, which attracts the iron block 65. , the iron block 65 drives the closed door to rotate, so that the drain pipe 49 is opened, and the second spring 48 drives the push rod 47 to move in the opposite direction, squeezing the water in the mounting tube 45 into the water bag 44 through the drain pipe 49, and the driving rod 41 returns to the initial position. When the unlocking rod 53 contacts the unlocking inclined surface, the unlocking rod 53 pushes the locking rod 51 to move, so that the locking rod 51 disengages from the plug-in slot, and the first spring 36 drives the first rack 35 to move in the opposite direction, so that the two erasing plates 31 are separated from the T-shaped slide rail 12.

[0042] The above are all preferred embodiments of the present invention, and are not intended to limit the scope of protection of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. A linear motor module, comprising a base (1), a stator (11), a T-shaped slide rail (12), a slide seat (2), a mover (21), a connecting plate (22) and a roller (23), characterized in that: The connecting plate (22) is provided with a replacement mechanism (3), the replacement mechanism (3) comprising two erasing plates (31), the two erasing plates (31) being respectively located on the upper and lower sides of the T-shaped slide rail (12), the two erasing plates (31) both being in contact with the T-shaped slide rail (12), the connecting plate (22) being fixedly connected with an oil injection pipe (32) and an oil storage tank, the oil injection pipe (32) and the oil storage tank being communicated with each other via an oil inlet pipe (33), the oil injection pipe (32) being provided with a plurality of nozzles facing the T-shaped slide rail (12), the replacement mechanism (3) further comprising a moving part for driving the two erasing plates (31) to move closer to and away from each other, the oil inlet pipe (33) being provided with a valve part; the two erasing plates ( 31) are slidably connected to the connecting plate (22), the moving member includes a bidirectional screw (34) rotatably mounted on the connecting plate (22), both ends of the bidirectional screw (34) are respectively passed through the erasing plate (31) and are both threadedly connected to the erasing plate (31), a first rack (35) is slidably mounted on the connecting plate (22), a first gear (341) is fixedly connected to the bidirectional screw (34) and meshed with the first rack (35), a first spring (36) is fixedly connected between the first rack (35) and the connecting plate (22), a driving mechanism (4) for driving the first rack (35) to move is mounted on the base (1), and a gear (341) for rotating the first rack (35) is mounted on the connecting plate (22). ) for limiting the locking mechanism (5); the driving mechanism (4) includes a detection unit mounted on the connecting plate (22) and a driving rod (41) slidably mounted on the end of the base (1), the driving rod (41) can contact the first rack (35), the detection unit can detect abnormal shaking of the slide (2), and the detection unit can drive the driving rod (41) to move; the detection unit includes a detection rod (42) passing through the connecting plate (22), one end of the detection rod (42) is slidably connected to the base (1), the other end of the detection rod (42) is fixedly connected to the detection plate (43), the end of the base (1) close to the driving rod (41) is fixedly connected to the mounting plate (13), the mounting plate (13) is fixedly connected to the mounting plate (13), A water bag (44) is fixedly connected to the bottom of the plate (13). The detection plate (43) is located below the water bag (44) and can contact the water bag (44). A mounting pipe (45) is fixedly connected to the base (1). The water bag (44) is communicated with the mounting pipe (45) through a water inlet pipe (46). A one-way valve is provided in the water inlet pipe (46). A push rod (47) is passed through the mounting pipe (45). The push rod (47) is fixedly connected to the driving rod (41). A second spring (48) is fixedly connected between the driving rod (41) and the base (1). The mounting pipe (45) is communicated with the water bag (44) through a drain pipe (49). A closing mechanism (6) is installed in the drain pipe (49).

2. A linear motor module according to claim 1, characterized in that: The locking mechanism (5) comprises a locking rod (51) slidably mounted on a connecting plate (22), a third spring (52) being fixedly connected between the locking rod (51) and the connecting plate (22), a plug-in slot for inserting the locking rod (51) being provided on the first rack (35), an unlocking rod (53) being fixedly connected to one end of the base (1) away from the driving rod (41), an unlocking slot being provided on the locking rod (51) for inserting the unlocking rod (53), and an unlocking inclined surface being formed on the end surface of the unlocking slot close to the third spring (52).

3. The linear motor module according to claim 2, characterized in that: The closing mechanism (6) includes a closing shaft (61) rotatably mounted in the drain pipe (49), a closing door fixedly connected to the closing shaft (61), the closing shaft (61) extending to the outside of the drain pipe (49) and fixedly connected to a second gear (611), a second rack (62) meshing with the second gear (611) slidably mounted on the base (1), a fourth spring (63) fixedly connected between the second rack (62) and the base (1), a battery and an electromagnet (64) fixedly connected to the base (1), the battery and the electromagnet (64) being electrically connected, an iron block (65) adapted to the electromagnet (64) fixedly connected to the second rack (62), and a switch mechanism (7) for controlling the battery to energize and de-energize the electromagnet (64) is mounted on one end of the base (1) away from the driving rod (41).

4. The linear motor module according to claim 3, characterized in that: A switch slot is provided on the base (1), and the switch mechanism (7) includes a switch rod (71) slidably mounted in the switch slot, a fifth spring (72) is fixedly connected between the switch rod (71) and the inner wall of the switch slot, a first switch electrically connected to the battery is provided on the switch rod (71), a sixth spring (73) is fixedly connected to the inner wall of the switch slot, a matching block (74) is fixedly connected to the sixth spring (73), a second switch electrically connected to the electromagnet (64) is provided on the matching block (74), and the first switch is used in conjunction with the second switch, an abutting rod (75) is slidably mounted on the connecting plate (22), the abutting rod (75) is capable of contacting the switch rod (71), an abutting inclined surface contacting the first rack (35) is formed on the abutting rod (75), and a seventh spring (76) is fixedly connected between the abutting rod (75) and the connecting plate (22).

5. The linear motor module according to claim 1, characterized in that: The valve member includes a valve shaft (37) rotatably mounted on the oil inlet pipe (33), a valve plate fixedly connected to the valve shaft (37), the valve shaft (37) extending to the outside of the oil inlet pipe (33) and fixedly connected to a third gear (371), a third rack (38) meshing with the third gear (371) slidably mounted on the connecting plate (22), and the third rack (38) and the first rack (35) are fixedly connected via a connecting rod (39).

6. The linear motor module according to claim 1, characterized in that: The two erasing plates (31) form a group. The replacement mechanism (3) includes two groups of erasing plates (31). The two groups of erasing plates (31) are respectively located at the front and rear ends of the connecting plate (22). The erasing plates (31) are both formed with erasing grooves adapted to the T-shaped slide rail (12). The erasing plates (31) are provided with erasing sponges.

7. The linear motor module according to claim 1, characterized in that: The oil injection pipe (32) is a C-shaped pipe, and the T-shaped slide rail (12) is located in the middle of the oil injection pipe (32).

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