Replaceable linear motor assembly

Abstract

The invention relates to the technical field of linear motor assemblies, in particular to a replaceable linear motor assembly which comprises a support, a sliding rail is arranged in the support, bottom plates are arranged on the two sides of the sliding rail, a plurality of magnet sleeves are arranged on the bottom plates, permanent magnet blocks are installed in the magnet sleeves, and the permanent magnet blocks are connected with the sliding rail. A plug is arranged at the bottom of the magnet sleeve, a self-locking inserting piece is slidably connected into the plug, a reset spring is arranged in the plug, the other end of the reset spring is connected with the outer wall of the self-locking inserting piece, a fixing inserting groove corresponding to the plug is formed in the bottom of the bottom plate, and the self-locking inserting piece is inserted into the self-locking inserting piece through matched use of the plug and the fixing inserting groove. When the permanent magnet block needs to be replaced, the self-locking inserting piece is directly pressed down from the outer portion of the clamping opening so that installation of the magnet sleeve and the bottom plate can be removed, the permanent magnet block can be rapidly replaced, compared with traditional bolt installation, the whole replacing and installing speed is simpler and faster, and the replacing efficiency of the assembly is greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of linear motor assemblies, and in particular to a replaceable linear motor assembly. Background Art

[0002] Linear motors, also known as linear induction motors, are widely used in industrial equipment. When used in machining machine tools, they can drive the workbench or tool to perform high-precision linear motion to achieve part processing. Compared with the traditional rotary motor plus ball screw drive method, it can reduce the error and inertia caused by the mechanical transmission link and improve processing accuracy and speed.

[0003] When the motor assembly is in use, in order to reduce the friction between the slider and the slide rail, a roller is usually installed at the bottom of the slider to reduce the friction. However, the bottom roller of the slider in the existing slide rail assembly lacks a separate lubrication device. When the linear motor runs for a long time, if the bottom roller of the slider is not lubricated, the direct contact friction between the roller and the slide rail will increase, accelerating the wear of the roller and the slide rail, affecting the subsequent use accuracy of the linear motor assembly. At the same time, in the linear motor assembly, the slider runs in the slide rail for a long time, and the inside of the slide rail usually has depressions or protrusions. However, in the existing linear motor assembly, there is a lack of a detection mechanism for the slide rail. If depressions or protrusions appear inside the slide rail, the slider still runs inside the slide rail, which will cause the motion trajectory of the slider to change, resulting in a decrease in the positioning accuracy of the linear motor assembly. When the linear motor assembly is used for a long time, the magnetism of the permanent magnet block inside it will naturally decay over time. If it is not replaced in time, it will produce negative effects such as reduced thrust and decreased positioning accuracy. In order to ensure stable motor performance, it is usually necessary to replace the permanent magnet regularly, but the existing permanent magnet blocks are installed in the assembly by bolts, which are troublesome to disassemble and replace. Summary of the invention

[0004] The purpose of the present invention is to provide a replaceable linear motor assembly to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a replaceable linear motor assembly, comprising a bracket, a slide rail is provided inside the bracket, a bottom plate is provided on both sides of the slide rail, a plurality of magnet sleeves are provided on the bottom plate, a permanent magnet block is installed inside the plurality of magnet sleeves, a plug is provided at the bottom of the magnet sleeve, a self-locking plug is slidably connected inside the plug, a reset spring is provided inside the plug, the other end of the reset spring is connected to the outer wall of the self-locking plug, a fixed slot corresponding to the plug is provided at the bottom of the bottom plate, a bayonet is provided inside the fixed slot, a slider is slidably connected inside the slide rail, a motor body is provided on the slider, a flaw detection mechanism is provided on the slider, the flaw detection mechanism comprises an installation frame provided on the slider, limiting slots are provided on both sides of the installation frame, an upper plate and a lower plate are slidably connected to the upper and lower sides of the limiting slot respectively, a pressing spring is fixedly connected to the outer side walls of the upper and lower plates, and the other end of the pressing spring is fixedly connected to the inner side wall of the limiting slot.

[0006] Preferably, both sides of the upper plate and the lower plate are fixedly connected with fixed teeth, both sides of the mounting frame are provided with multiple sliding grooves, the interiors of the multiple sliding grooves are slidably provided with blocking members corresponding to the fixed teeth, the outer wall of the blocking member is fixedly connected with a pull rod, the side of the pull rod located inside the sliding groove is sleeved with an extrusion spring, the interior of the mounting frame is slidably connected with multiple push rods, the bottoms of the multiple push rods are rotatably connected with flaw detection wheels, the multiple push rods respectively pass through the middle of the lower plate and the upper plate, the outer walls of the multiple push rods are fixedly connected with tension springs, and the other ends of the tension springs are fixedly connected to the inner wall of the mounting frame.

[0007] Preferably, an upper protrusion and a lower protrusion are respectively fixedly connected to the outer side wall of the push rod, the upper protrusion contacts the outer wall of the upper plate, and the lower protrusion contacts the outer wall of the lower plate.

[0008] Preferably, the slider is provided with a rolling groove inside, the rolling groove runs across the inside of the slider, the outer wall of the upper plate is fixedly connected with a limit block, the limit block slides through the inside of the rolling groove, side rails are provided on both sides of the inside of the installation frame, the inside of the side rails is slidably connected with a hook-pull protrusion, the hook-pull protrusion slides through the inside of the rolling groove, gears are installed inside the installation frame, a connecting rod is fixedly connected to the outer wall of the lower plate, and the upper end of the connecting rod and the side wall of the hook-pull protrusion are respectively meshed with gears.

[0009] Preferably, a plug-in box is fixedly connected to the interior of the slide rail, a limit flip shaft is provided at the end of the plug-in box, a hook plate is provided on the limit flip shaft, a rotating wheel is rotatably connected to the interior of the plug-in box, a side of the hook plate close to the rotating wheel and contact sensors are provided inside the limit block and the hook pull protrusion, and a cooling and lubrication mechanism is provided on the rotating wheel.

[0010] Preferably, the cooling and lubricating mechanism comprises a swing arm rotatably connected to a rotating wheel, and a spray gun is provided inside the plug box.

[0011] Preferably, a piston rod is slidably connected to the interior of the spray barrel, and the other end of the swing arm is rotatably connected to the outside of the piston rod. Two nozzles are connected to the interior of the spray barrel, and a plurality of spray holes are provided on both nozzles.

[0012] Preferably, an air storage box is fixedly connected to the side wall of the bracket, an oil storage box is arranged on the air storage box, and both the air storage box and the oil storage box are provided with filling ports, and the interiors of the air storage box and the oil storage box are connected with an oil extraction pipe and an air extraction pipe respectively, and the other ends of the oil extraction pipe and the air extraction pipe are connected to the interior of the spray gun.

[0013] Preferably, a flow box is provided on the oil extraction pipe, and a baffle is slidably connected to the inside of the flow box. A through hole is opened on the baffle, and electric telescopic rods are fixedly connected to both sides of the baffle, and the other end of the electric telescopic rod is fixedly connected to the outer wall of the flow box.

[0014] Preferably, a plurality of rollers are arranged at the bottom of the slider, a plurality of lubrication ports corresponding to the plurality of rollers are opened inside the slider, inner slots are opened on both sides of the rolling groove, and the inner slots are connected to the plurality of lubrication ports.

[0015] Compared with the prior art, the present invention has the following beneficial effects: By using the plug in conjunction with the fixed slot, when the permanent magnet block needs to be replaced, the self-locking plug-in can be directly pressed on the outside of the bayonet to release the installation of the magnet sleeve and the base plate, and the permanent magnet block can be quickly replaced. The entire replacement and installation speed is simpler and faster than traditional bolt installation, which greatly improves the replacement efficiency of the assembly.

[0016] Through the coordinated use of mechanisms such as the push rod and the flaw detection wheel, when the slider slides in the slide rail, the flaw detection wheel will check the flatness of the slide rail surface. If there is a depression or protrusion in the slide rail, the slider will be limited when the plug-in box is inserted into the rolling groove to prevent the slider from continuing to move linearly in the uneven slide rail, resulting in increased wear of the slider. When the plug-in box is inserted into the rolling groove, the spray gun inside the plug-in box will also spray air lubrication on the roller through multiple lubrication ports to reduce the friction contact between the roller and the slide rail, thereby extending the service life of the entire roller and slide rail. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the local structure of the present invention; Figure 3 It is a schematic diagram of the structure of the slider and the motor body of the present invention; Figure 4 The installation frame structure of the present invention is shown in FIG. Figure 1 ; Figure 5 for Figure 4 A magnified view of middle; Figure 6 The installation frame structure of the present invention is shown in FIG. Figure 2 ; Figure 7 for Figure 6 Enlarged view of middle B; Figure 8 It is a schematic diagram of the bottom structure of the slider of the present invention; Fig. 9 It is a schematic diagram of the rolling groove and inner notch structure of the present invention; Fig.10 It is a schematic diagram of the support structure of the present invention; Fig.11 It is a schematic diagram of the plug-in box structure of the present invention; Fig.12 for Fig.11 Enlarged view of middle C; Fig.13 It is a schematic diagram of the internal structure of the plug-in box of the present invention; Fig.14 The structure diagram of the present invention is a schematic diagram of the rolling groove and the insertion box. Figure 1 ; Fig.15 The structure diagram of the present invention is a schematic diagram of the rolling groove and the insertion box. Figure 2 ; Fig.16 The structure diagram of the present invention is a schematic diagram of the rolling groove and the insertion box. Figure 3 .

[0018] In the attached drawings, the parts represented by the reference numerals are as follows: 1. bracket; 2. bottom plate; 3. magnet sleeve; 4. permanent magnet block; 5. slide rail; 6. fixed slot; 7. bayonet; 8. plug; 9. self-locking plug-in; 10. reset spring; 11. motor body; 12. slider; 13. rolling groove; 14. mounting frame; 15. flaw detection wheel; 16. push rod; 17. tension spring; 18. lower protrusion; 19. lower plate; 20. upper protrusion; 21. upper plate; 22. connecting rod; 23. limit block; 24. hook and pull protrusion; 25. gear; 26. Side rail; 27, limit groove; 28, pressing spring; 29, fixed tooth; 30, blocking member; 31, pull rod; 32, extrusion spring; 33, roller; 34, lubrication port; 35, inner groove; 36, air storage box; 37, plug box; 38, rotating wheel; 39, hook plate; 40, limit turning shaft; 41, spray hole; 42, oil extraction pipe; 43, air extraction pipe; 44, oil storage box; 45, piston rod; 46, nozzle; 47, spray gun; 48, swing arm; 49, circulation box; 50, baffle; 51, through hole; 52, electric telescopic rod. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] Example 1: Please refer to Figure 1 - Fig.16 A replaceable linear motor assembly includes a bracket 1, a side wall of which is fixedly connected to an air storage box 36 (such as Fig.10 As shown in the figure, an oil storage tank 44 is arranged on the air storage tank 36, and both the air storage tank 36 and the oil storage tank 44 are provided with a filling port, and the interiors of the air storage tank 36 and the oil storage tank 44 are connected with an oil extraction pipe 42 and an air extraction pipe 43, respectively, and the other ends of the oil extraction pipe 42 and the air extraction pipe 43 are connected to the interior of the spray gun 47, and a slide rail 5 is arranged inside the bracket 1, and bottom plates 2 are arranged on both sides of the slide rail 5, and multiple magnet sleeves 3 are arranged on the bottom plates 2, and permanent magnet blocks 4 are installed inside the multiple magnet sleeves 3, and a plug 8 is arranged at the bottom of the magnet sleeve 3. The head 8 is internally slidably connected with a self-locking plug 9, the plug 8 is internally provided with a return spring 10, the other end of the return spring 10 is connected to the outer wall of the self-locking plug 9, the bottom of the bottom plate 2 is provided with a fixed slot 6 corresponding to the plug 8, the fixed slot 6 is provided with a bayonet 7, the slide rail 5 is internally slidably connected with a slider 12, the slider 12 is provided with a motor body 11, the slider 12 is provided with a flaw detection mechanism, the flaw detection mechanism includes a mounting frame 14 arranged on the slider 12, and both sides of the mounting frame 14 are provided with limit slots 27 (such as Figure 7 As shown in the figure, the upper and lower sides of the limit groove 27 are respectively slidably connected with the upper plate 21 and the lower plate 19, and the outer side walls of the upper plate 21 and the lower plate 19 are fixedly connected with a pressing spring 28, and the other end of the pressing spring 28 is fixedly connected to the inner side wall of the limit groove 27, and the upper plate 21 and the lower plate 19 are fixedly connected with fixed teeth 29 on both sides, and multiple sliding grooves are opened on both sides of the installation frame 14, and blocking members 30 corresponding to the fixed teeth 29 are slidably arranged inside the multiple sliding grooves.

[0021] A pull rod 31 is fixedly connected to the outer wall of the blocking member 30, and a compression spring 32 is sleeved on one side of the pull rod 31 located inside the sliding groove. A plurality of push rods 16 (such as Figure 4 As shown), the bottoms of the multiple push rods 16 are rotatably connected to the flaw detection wheel 15, and the multiple push rods 16 pass through the middle of the lower plate 19 and the upper plate 21 respectively. The outer side walls of the multiple push rods 16 are fixedly connected to the tension spring 17, and the other end of the tension spring 17 is fixedly connected to the inner side wall of the mounting frame 14.

[0022] An upper protrusion 20 and a lower protrusion 18 are fixedly connected to the outer side wall of the push rod 16 , respectively. The upper protrusion 20 contacts the outer wall of the upper plate 21 , and the lower protrusion 18 contacts the outer wall of the lower plate 19 .

[0023] The slider 12 is provided with a rolling groove 13 inside, and the rolling groove 13 runs across the inside of the slider 12. A limit block 23 is fixedly connected to the outer wall of the upper plate 21, and the limit block 23 slides through the inside of the rolling groove 13. Side rails 26 are provided on both sides of the inside of the mounting frame 14, and a hook-pull protrusion 24 is slidably connected to the inside of the side rail 26, and the hook-pull protrusion 24 slides through the inside of the rolling groove 13. A gear 25 is installed inside the mounting frame 14, and a connecting rod 22 is fixedly connected to the outer wall of the lower plate 19, and the upper end of the connecting rod 22 and the side wall of the hook-pull protrusion 24 are respectively meshed with the gear 25.

[0024] The interior of the slide rail 5 is fixedly connected to a plug box 37, and a limited position flip axis 40 (such as Fig.11 As shown), a hook plate 39 is provided on the limit flip shaft 40 (it should be noted that the limit flip shaft 40 has a built-in positioning pin. When the limit flip shaft 40 flips more than ninety degrees, the positioning pin will block the limit flip shaft 40), the internal rotation of the plug box 37 is connected to the rotating wheel 38, and the side of the hook plate 39 close to the rotating wheel 38 and the inside of the limit block 23 and the hook pull protrusion 24 are all provided with contact sensors, and a cooling and lubrication mechanism is provided on the rotating wheel 38.

[0025] In this embodiment, during use, if the permanent magnet block 4 needs to be replaced, it is only necessary to press the self-locking plug-in 9 inserted in advance into the bayonet 7 on the outside of the bayonet 7 to allow the self-locking plug-in 9 to shrink into the plug 8 until it is free from the fixation of the bayonet 7. At this time, the plug 8 can be pulled out from the fixed slot 6 to replace the permanent magnet block 4. When the permanent magnet block 4 is replaced, the plug 8 is aligned and inserted into the fixed slot 6. When the plug 8 is inserted, the inner wall of the fixed slot 6 will push the self-locking plug-in 9 to shrink into the plug 8 along the contact bevel of the self-locking plug-in 9 until the bottom of the plug 8 contacts the bottom of the fixed slot 6. At this time, under the elastic force of the return spring 10, the self-locking plug-in 9 will be inserted into the bayonet 7, thereby completing the installation of the permanent magnet block 4. The speed of the entire replacement and installation is simpler and faster than that of the traditional bolt installation, which greatly improves the replacement and maintenance efficiency of the assembly.

[0026] After the permanent magnet block 4 is replaced and installed, the magnetic field inside the motor body 11 can be controlled so that it can move inside the slide rail 5 through the slider 12 under the action of the magnetic attraction of the permanent magnet block 4. At the same time, the direction of the magnetic field inside the permanent magnet block 4 can be controlled to control the slider 12 to move linearly back and forth on the inside of the slide rail 5 (this is the prior art and will not be elaborated on in detail).

[0027] Example 2: Please refer to Figure 1 - Fig.16 The cooling and lubricating mechanism includes a swing arm 48 (such as Fig.13 As shown in FIG. 3 ), a spray gun 47 is provided inside the plug box 37 .

[0028] A piston rod 45 is slidably connected to the inside of the spray barrel 47 , and the other end of the swing arm 48 is rotatably connected to the outside of the piston rod 45 . Two spray pipes 46 are connected to the inside of the spray barrel 47 , and a plurality of spray holes 41 are provided on the two spray pipes 46 .

[0029] A flow box 49 is provided on the oil extraction pipe 42, and a baffle 50 is slidably connected inside the flow box 49. A through hole 51 is opened on the baffle 50, and electric telescopic rods 52 are fixedly connected to both sides of the baffle 50. The other end of the electric telescopic rod 52 is fixedly connected to the outer wall of the flow box 49.

[0030] The bottom of the slider 12 is provided with a plurality of rollers 33 (such as Figure 8 As shown in FIG. 1 , the slider 12 is provided with a plurality of lubrication ports 34 corresponding to the plurality of rollers 33, and both sides of the rolling groove 13 are provided with inner notches 35 (as shown in FIG. Figure 3 As shown in FIG. 1 ), the inner groove 35 is connected to a plurality of lubrication ports 34 .

[0031] In this embodiment, when the slider 12 drives the motor body 11 to move to the end of the slide rail 5, that is, the oil storage tank 44, the plug box 37 will be inserted into the rolling groove 13 during the movement of the slider 12. When the plug box 37 is inserted into the rolling groove 13, the rotating wheel 38 inside the plug box 37 will contact the inner wall of the rolling groove 13 and rub the rotating wheel 38 to roll. When the rotating wheel 38 rotates, it will push the piston rod 45 through the swing arm 48 to perform reciprocating suction movement inside the spray cylinder 47. When the piston rod 45 performs reciprocating suction movement inside the spray cylinder 47, the exhaust pipe 43 will push the air storage tank The processed air inside 36 is sucked into it, and then sprayed into the inner slot 35 through the multiple spray holes 41 on the plug box 37, and finally the roller 33 is cooled through the lubrication port 34 to prevent the roller 33 from rolling for a long time and causing high temperature, ensuring that the entire motor assembly system can operate stably. When the slider 12 reciprocates in the slide rail 5, the multiple flaw detection wheels 15 located inside the mounting frame 14 will also move with the slider 12 and roll in contact with the surface of the slide rail 5. When the flaw detection wheel 15 contacts the surface of the slide rail 5, there are three situations; The first is that when the surface of the slide rail 5 is relatively flat and has no depressions or protrusions, the position of the push rod 16 will not change. As in the above principle, when the insert box 37 is inserted into the rolling groove 13, it can also be pulled out freely. The second type is that when the surface of the slide rail 5 is concave and the flaw detection wheel 15 moves to the concave position with the slider 12, since the support point of the concave position of the slide rail 5 is lower than that of the flat position, at this time, under the tension of the tension spring 17, the push rod 16 located at the concave position will move downward inside the mounting frame 14. When the push rod 16 located at the concave position moves downward, it will pull the lower plate 19 downward together through the lower protrusion 18. When the lower plate 19 moves downward, the fixed tooth 29 near the lower plate 19 will move downward together. Since the contact edge of the fixed tooth 29 is provided with a plurality of triangular teeth, when the lower plate 19 pushes the corresponding fixed tooth 29 to move downward together, the blocking member 30 will continuously contact the triangular tooth edge until it reaches the specified position. The blocking member 30 will abut against the right-angled side of the triangular tooth, thereby limiting it, so that the lower plate 19 cannot move up autonomously. When the lower plate 19 moves downward, it will pull the connecting rod 22 to move downward synchronously. Under the action of the gear 25, when the connecting rod 22 When the connecting rod 22 moves downward, the gear 25 pushes the hook-pull protrusion 24 upward until it moves into the rolling groove 13. At this time, when the plug box 37 is inserted into the rolling groove 13, the hook plate 39 at the end of the plug box 37 contacts the hook-pull protrusion 24 and, under the push of the hook-pull protrusion 24, turns 90 degrees toward the direction close to the rotating wheel 38 until it passes over the hook-pull protrusion 24. When the slider 12 drives the rolling groove 13 to move away from the plug box 37, the plug box 37 is removed from the rolling groove. When the motor body 11 and the slider 12 are pulled out, the hook plate 39 will contact with the hook-pull projection 24. Since the limit flip shaft 40 can only flip ninety degrees, when the hook plate 39 contacts with the hook-pull projection 24, the hook plate 39 that is no longer flipped will hook the hook-pull projection 24. Therefore, the plug-in box 37 will hook the entire motor body 11 and the slider 12, stop the movement of the motor body 11 and the slider 12, and prevent the slider 12 from continuing to perform linear motion in the uneven slide rail 5, resulting in increased wear of the slider 12.

[0032] The third method is that when a bulge appears on the surface of the slide rail 5, the flaw detection wheel 15 moves to the bulge with the slider 12. Since the support point of the bulge of the slide rail 5 is higher than that of the flat part, the push rod 16 located at the bulge will be lifted up. When the push rod 16 located at the bulge moves up, it will push the upper plate 21 to move up together through the upper protrusion 20. When the upper plate 21 moves up, the fixed teeth 29 near the upper plate 21 will move up together. Similar to the above principle, when the upper plate 21 pushes the corresponding fixed teeth 29 to move up together, the push rod 16 located at the bulge will be lifted up. The blocking member 30 near the upper plate 21 will continuously contact the triangular tooth edge until it reaches the specified position. The blocking member 30 will abut against the right-angled side of the triangular tooth to limit it, so that the upper plate 21 cannot move downward on its own. When the upper plate 21 moves upward, it will push the limiting block 23 into the rolling groove 13. When the subsequent plug-in box 37 is inserted into the rolling groove 13, the hook plate 39 at the end of the plug-in box 37 will contact the limiting block 23 and, under the push of the limiting block 23, turn 90 degrees toward the direction close to the rotating wheel 38 (refer to Fig.15), until it passes over the limit block 23. When the slider 12 drives the rolling groove 13 to move away from the plug box 37, the plug box 37 is pulled out from the rolling groove 13, and the hook plate 39 will contact the limit block 23. Since the limit flip shaft 40 can only flip ninety degrees, when the hook plate 39 contacts the limit block 23, the hook plate 39 that is no longer flipped will hook the limit block 23. Therefore, the plug box 37 will hook the entire motor body 11 and the slider 12 again, stop the movement of the motor body 11 and the slider 12, and prevent the slider 12 from being aggravated by wear, which affects the use accuracy of the entire linear motor.

[0033] During use, if the slider 12 needs to perform violent linear movement, the slider 12 will perform rapid reciprocating movement on the slide rail 5. At this time, when the plug box 37 is inserted into the rolling groove 13, the electric telescopic rod 52 can be contracted to allow the through hole 51 to enter the circulation box 49. When the through hole 51 enters the circulation box 49, the oil extraction pipe 42 will suck the lubricating oil in the oil storage tank 44 into the inside of the spray barrel 47, and then spray it into the inner groove 35 through multiple spray holes 41. Finally, the roller 33 is lubricated through the lubrication port 34, thereby reducing the friction contact between the high-speed rotating roller 33 and the slide rail 5, extending the service life of the entire roller 33 and the slide rail 5, and making the entire assembly more accurate to use.

[0034] It should be noted that when the hook plate 39 hooks the limit block 23 or the hook-pull protrusion 24, the sensor on the side of the hook plate 39 close to the rotating wheel 38 will contact the sensor inside the limit block 23 or the hook-pull protrusion 24. When the sensor contacts, an alarm will be issued to remind the operator to stop the movement of the slider 12 in time and replace the slide rail 5 (this is the prior art and will not be elaborated in detail).

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A replaceable linear motor assembly, comprising a bracket (1), characterized in that: A slide rail (5) is provided inside the bracket (1), and a bottom plate (2) is provided on both sides of the slide rail (5). A plurality of magnet sleeves (3) are provided on the bottom plate (2), and a permanent magnet block (4) is installed inside the plurality of magnet sleeves (3). A plug (8) is provided at the bottom of the magnet sleeve (3), and a self-locking plug (9) is slidably connected inside the plug (8). A return spring (10) is provided inside the plug (8), and the other end of the return spring (10) is connected to the outer wall of the self-locking plug (9). A fixed slot (6) corresponding to the plug (8) is provided at the bottom of the bottom plate (2), and the inside of the fixed slot (6) is connected to the outer wall of the self-locking plug (9). A bayonet (7) is provided, the interior of the slide rail (5) is slidably connected to a slider (12), the slider (12) is provided with a motor body (11), the slider (12) is provided with a flaw detection mechanism, the flaw detection mechanism comprises a mounting frame (14) provided on the slider (12), both sides of the mounting frame (14) are provided with limiting grooves (27), the upper and lower sides of the limiting groove (27) are slidably connected to an upper plate (21) and a lower plate (19), respectively, the outer side walls of the upper plate (21) and the lower plate (19) are fixedly connected to a pressing spring (28), the other end of the pressing spring (28) is fixedly connected to the inner side wall of the limiting groove (27).

2. The replaceable linear motor assembly according to claim 1, characterized in that: The upper plate (21) and the lower plate (19) are fixedly connected with fixed teeth (29) on both sides, and the installation frame (14) is provided with a plurality of sliding grooves on both sides. The interiors of the plurality of sliding grooves are slidably provided with blocking members (30) corresponding to the fixed teeth (29). The outer wall of the blocking member (30) is fixedly connected with a pull rod (31). The side of the pull rod (31) located inside the sliding groove is sleeved with an extrusion spring (32). The interior of the installation frame (14) is slidably connected with a plurality of push rods (16). The bottoms of the plurality of push rods (16) are rotatably connected with a flaw detection wheel (15). The plurality of push rods (16) pass through the middle of the lower plate (19) and the upper plate (21) respectively. The outer walls of the plurality of push rods (16) are fixedly connected with tension springs (17). The other ends of the tension springs (17) are fixedly connected to the inner wall of the installation frame (14).

3. The replaceable linear motor assembly according to claim 2, characterized in that: An upper protrusion (20) and a lower protrusion (18) are respectively fixedly connected to the outer side wall of the push rod (16); the upper protrusion (20) contacts the outer wall of the upper plate (21), and the lower protrusion (18) contacts the outer wall of the lower plate (19).

4. The replaceable linear motor assembly according to claim 1, characterized in that: The slider (12) is provided with a rolling groove (13) inside, and the rolling groove (13) runs across the inside of the slider (12); a limit block (23) is fixedly connected to the outer wall of the upper plate (21), and the limit block (23) slides through the inside of the rolling groove (13); side rails (26) are provided on both sides inside the installation frame (14); a hook-pull protrusion (24) is slidably connected inside the side rail (26), and the hook-pull protrusion (24) slides through the inside of the rolling groove (13); a gear (25) is installed inside the installation frame (14); a connecting rod (22) is fixedly connected to the outer wall of the lower plate (19), and the upper end of the connecting rod (22) and the side wall of the hook-pull protrusion (24) are respectively meshed with the gear (25).

5. The replaceable linear motor assembly according to claim 1, characterized in that: The interior of the slide rail (5) is fixedly connected to a plug box (37), an end of the plug box (37) is provided with a limit flip shaft (40), a hook plate (39) is provided on the limit flip shaft (40), the interior of the plug box (37) is rotatably connected to a rotating wheel (38), a side of the hook plate (39) close to the rotating wheel (38) and the interior of the limit block (23) and the hook pull protrusion (24) are all provided with contact sensors, and a cooling and lubricating mechanism is provided on the rotating wheel (38).

6. The replaceable linear motor assembly according to claim 5, characterized in that: The cooling and lubricating mechanism comprises a swing arm (48) rotatably connected to a rotating wheel (38), and a spray barrel (47) is arranged inside the plug box (37).

7. The replaceable linear motor assembly according to claim 6, characterized in that: The spray barrel (47) is slidably connected to a piston rod (45), and the other end of the swing arm (48) is rotatably connected to the outside of the piston rod (45). Two spray pipes (46) are connected to the inside of the spray barrel (47), and a plurality of spray holes (41) are provided on the two spray pipes (46).

8. The replaceable linear motor assembly according to claim 1, characterized in that: The side wall of the bracket (1) is fixedly connected to an air storage box (36), an oil storage box (44) is arranged on the air storage box (36), and both the air storage box (36) and the oil storage box (44) are provided with a filling port. The interiors of the air storage box (36) and the oil storage box (44) are connected to an oil extraction pipe (42) and an air extraction pipe (43), respectively, and the other ends of the oil extraction pipe (42) and the air extraction pipe (43) are connected to the interior of the spray barrel (47).

9. The replaceable linear motor assembly according to claim 8, characterized in that: A flow box (49) is provided on the oil extraction pipe (42), a baffle (50) is slidably connected inside the flow box (49), a through hole (51) is provided on the baffle (50), electric telescopic rods (52) are fixedly connected to both sides of the baffle (50), and the other end of the electric telescopic rod (52) is fixedly connected to the outer wall of the flow box (49).

10. The replaceable linear motor assembly according to claim 4, characterized in that: A plurality of rollers (33) are arranged at the bottom of the slider (12), a plurality of lubrication ports (34) corresponding to the plurality of rollers (33) are provided inside the slider (12), inner slots (35) are provided on both sides of the rolling groove (13), and the inner slots (35) are connected to the plurality of lubrication ports (34).

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