Light-weight high-acceleration linear motor

Abstract

The utility model relates to the technical field of linear motors, and discloses a light-weight high-acceleration linear motor, which comprises a sliding table, and a fixing mechanism is arranged in the sliding table. According to the light-weight high-acceleration linear motor, when the linear motor and external equipment are assembled, firstly, two sets of bearing blocks are pulled through reserved grooves, second limiting rods and fixing blocks are driven by the bearing blocks to horizontally move along the inner wall of a sliding table, first springs are compressed, second inserting rods are inserted into the sliding table, the bearing blocks are loosened, and then the sliding table is assembled; through the elastic force of the first spring, the fixing block and the second limiting rod return to the original positions, the second limiting rod is inserted into the second inserting rod, and through the arrangement of the structure, the problem that the linear motor is not prone to being in linkage with external equipment is effectively solved, the effect of conveniently assembling the linear motor can be achieved, meanwhile, the time needed for assembling is shortened, and the assembling efficiency is improved. The corresponding debugging efficiency is improved, and the universality of the device can be improved in the actual use process.

Description

Technical Field

[0001] The utility model relates to the technical field of linear motors, in particular to a lightweight and high-acceleration linear motor. Background Art

[0002] A linear motor is a transmission device that converts electrical energy directly into linear motion mechanical energy without the need for any intermediate conversion mechanism.

[0003] According to a motor-driven linear guide mechanism with application number 202121627006.3, the slider in this scheme is supported by the guide rail between the front and rear mounting plates, and the guide rail forms an integrated structure with the screw, which improves the operating accuracy and stability of the linear guide and reduces the difficulty of maintenance.

[0004] However, the following problems still exist in actual use:

[0005] (1) This type of motor-driven linear guide mechanism cannot effectively install the linear motor with an external device during actual use, which will cause inconvenience in the linkage between the linear motor and the external device, reduce the practicality of the device and increase the corresponding installation time.

[0006] (2) This type of motor-driven linear guide mechanism cannot protect the linear motor when it is running. Since the linear motor will collide with the fixed component when performing horizontal reciprocating motion, this process will cause damage to the linear motor, increase the maintenance cost of the linear motor and affect the normal use of the linear motor. Utility Model Content

[0007] In view of the deficiencies in the prior art, the utility model provides a lightweight, high-acceleration linear motor, which has the advantages of facilitating linkage between the linear motor and an external device and protecting the linear motor, and solves the problems raised in the background technology.

[0008] The utility model provides the following technical solutions: a lightweight, high-acceleration linear motor, comprising a slide, wherein a fixing mechanism is arranged inside the slide, wherein the fixing mechanism comprises a receiving block, a reserved groove, a spring 1, a fixing block, a second plug rod, and a second limit rod, wherein the second plug rod is plugged into the slide, the second limit rod is plugged into the second plug rod, the second limit rod is slidably plugged into the slide, the second limit rod is fixedly connected to the fixing block, one end of the spring 1 is fixedly connected to the fixing block, the other end of the spring 1 is fixedly connected to the slide, the receiving block is fixedly connected to the second limit rod, and the receiving block is fitted with the slide.

[0009] Preferably, two groups of sliders are fixedly connected to the lower surface of the slide table, and the lower surfaces of the two groups of sliders are both fitted with a base, and fixed plates are fixedly connected to both sides of the base, and a protective mechanism is provided on one side of the fixed plate, and the protective mechanism includes an insertion rod 1, a reserved hole, a second spring, a buffer pad and a receiving plate, the insertion rod 1 is slidably inserted into the fixed plate, the insertion rod 1 is fixedly connected to the receiving plate, the receiving plate is fixedly connected to the buffer pad, one end of the second spring is fixedly connected to the receiving plate, and the other end of the second spring is fitted with the inner wall of the reserved hole.

[0010] Preferably, two sets of slide rails are fixedly connected to the upper surface of the base, and the two sets of slide rails are slidably connected to the slider, which can achieve the effect of limiting the slider, making the slider and the slide table more stable when moving horizontally.

[0011] Preferably, a stepper motor is fixedly mounted on one side of the fixed plate, a lead screw is fixedly connected to the output shaft of the stepper motor, the lead screw is rotatably connected to the fixed plate, and the lead screw is threadedly connected to the slide.

[0012] Preferably, a nut is threadedly connected to the surface of the insertion rod 1, and the nut fits with the fixing plate, which can achieve the effect of limiting the insertion rod 1 and prevent the insertion rod 1 from falling off from the inside of the fixing plate.

[0013] Preferably, four groups of limit rods 1 are inserted into the interior of the base, one end of the four groups of limit rods 1 are fixedly connected to a connecting plate, the connecting plate is fitted with the base, and a threaded hole is opened inside the connecting plate.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. When assembling this kind of lightweight and high-acceleration linear motor with external equipment, first, pull the two sets of receiving blocks through the reserved grooves, and drive the limit rod 2 and the fixed block to move horizontally along the inner wall of the slide through the receiving blocks, so that the spring 1 is compressed, and the plug rod 2 is inserted into the interior of the slide, and the receiving block is released. The elastic force of the spring 1 restores the fixed block and the limit rod 2 to their original positions, so that the limit rod 2 is inserted into the interior of the plug rod 2, thereby fixing the plug rod 2, so that the external equipment follows the linear motor to perform reciprocating horizontal motion. The setting of this structure effectively avoids the problem that the linear motor is not easy to be linked with the external equipment, and can achieve the effect of facilitating the assembly of the linear motor. At the same time, it reduces the time required for assembly, improves the corresponding debugging efficiency, and can also improve the versatility of the device during actual use.

[0016] 2. When protecting this type of lightweight, high-acceleration linear motor, first, start the stepper motor, and use the stepper motor to drive the lead screw to rotate, so that the slide and the slider connected to the threaded surface of the lead screw move horizontally, and the slide rail is used to limit the horizontal movement of the slide to avoid displacement during horizontal movement. When the slide moves to the rightmost end, the slide fits against the buffer pad, so that the spring 2 is compressed, and the kinetic energy of the slide is absorbed by the spring 2, thereby avoiding collision between the slide and the fixed plate. The setting of this structure effectively avoids the problem of collision during the operation of the linear motor, and can achieve the effect of protecting the slide. At the same time, it increases the service life of the linear motor, reduces the number of maintenance times, and can also reduce the corresponding maintenance costs during actual use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of the utility model device;

[0018] Figure 2 For this utility model Figure 1 The left side view shows the structure of the part;

[0019] Figure 3 For this utility model Figure 1 Right view schematic diagram of the internal structure;

[0020] Figure 4 For this utility model Figure 1 Left view schematic diagram of the local structure.

[0021] In the figure: 1. base; 2. fixing plate; 3. threaded hole; 4. connecting plate; 5. slider; 6. slide rail; 7. stepping motor; 8. screw rod; 9. slide table; 10. nut; 11. plug rod 1; 12. limit rod 1; 13. receiving block; 14. reserved groove; 15. spring 1; 16. fixing block; 17. plug rod 2; 18. limit rod 2; 19. fixing mechanism; 20. receiving plate; 21. buffer pad; 22. reserved hole; 23. spring 2; 24. protective mechanism. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4A lightweight, high-acceleration linear motor comprises a slide 9, wherein a fixing mechanism 19 is arranged inside the slide 9, wherein the fixing mechanism 19 comprises a receiving block 13, a reserved groove 14, a spring 15, a fixing block 16, a second plugging rod 17, and a second limiting rod 18. The second plugging rod 17 is plugged into the slide 9, the second limiting rod 18 is plugged into the second plugging rod 17, the second limiting rod 18 is slidably plugged into the slide 9, the second limiting rod 18 is fixedly connected to the fixing block 16, one end of the spring 15 is fixedly connected to the fixing block 16, the other end of the spring 15 is fixedly connected to the slide 9, the receiving block 13 is fixedly connected to the second limiting rod 18, the receiving block 13 is fitted to the slide 9, the time required for assembly is reduced, the corresponding debugging efficiency is improved, the problem that the linear motor is not easy to be linked with external equipment is effectively avoided, the effect of facilitating the assembly of the linear motor can be achieved, and the versatility of the device can also be improved during actual use.

[0024] See also Figure 1 , 2 4. Two groups of sliders 5 are fixedly connected to the lower surface of the slide 9. The lower surfaces of the two groups of sliders 5 are both fitted with a base 1. Fixed plates 2 are fixedly connected to both sides of the base 1. A protective mechanism 24 is arranged on one side of the fixed plate 2. The protective mechanism 24 includes an insert rod 11, a reserved hole 22, a spring 23, a buffer pad 21 and a receiving plate 20. The insert rod 11 is slidably plugged with the fixed plate 2. The insert rod 11 is fixedly connected with the receiving plate 20. The receiving plate 20 is fixedly connected with the buffer pad 21. One end of the spring 23 is fixedly connected with the receiving plate 20, and the other end of the spring 23 is fitted with the inner wall of the reserved hole 22. The surface of the insert rod 11 is threadedly connected with a nut 10, and the nut 10 is fitted with the fixed plate 2, which improves the service life of the linear motor, reduces the number of maintenance times, and effectively avoids the problem of collision during the operation of the linear motor. The slide 9 can be protected and the corresponding maintenance cost can be reduced during actual use.

[0025] See also Figure 1 , 3 Two groups of slide rails 6 are fixedly connected to the upper surface of the base 1, and the two groups of slide rails 6 are slidably connected to the slider 5. A stepper motor 7 is fixedly installed on one side of the fixed plate 2, and a screw rod 8 is fixedly connected to the output shaft of the stepper motor 7. The screw rod 8 is rotatably connected to the fixed plate 2, and the screw rod 8 is threadedly connected to the slide 9. Four groups of limit rods 12 are inserted into the interior of the base 1, and one end of the four groups of limit rods 12 is fixedly connected to a connecting plate 4, which fits the base 1, and a threaded hole 3 is opened inside the connecting plate 4. The connecting plate 4 and the threaded hole 3 can be used to facilitate the fixing of the base 1, thereby preventing the linear motor from shifting during use.

[0026] Working principle: when assembling the linear motor with external equipment, the two sets of receiving blocks 13 are pulled through the reserved grooves 14, and the receiving blocks 13 drive the limiting rod 18 and the fixing block 16 to move horizontally along the inner wall of the slide 9, so that the spring 15 is compressed, and the plugging rod 17 is inserted into the inside of the slide 9, and the receiving block 13 is released. The elastic force of the spring 15 makes the fixing block 16 and the limiting rod 18 return to their original positions, so that the limiting rod 18 is inserted into the inside of the plugging rod 17, thereby fixing the plugging rod 17, so that the external equipment Following the reciprocating horizontal motion of the linear motor, when protecting the linear motor, start the stepper motor 7, and drive the screw rod 8 to rotate by the stepper motor 7, so that the slide 9 and the slider 5 threadedly connected to the surface of the screw rod 8 move horizontally, and the horizontal movement of the slide 9 is limited by the slide rail 6 to avoid displacement during horizontal movement. When the slide 9 moves to the rightmost end, the slide 9 fits against the buffer pad 21, so that the spring 23 is compressed, and the kinetic energy of the slide 9 is absorbed by the spring 23, thereby avoiding the slide 9 from colliding with the fixed plate 2.

[0027] 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.

[0028] 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 lightweight high-acceleration linear motor, comprising a slide (9), characterized in that: The slide (9) is provided with a fixing mechanism (19) inside. The fixing mechanism (19) comprises a receiving block (13), a reserved groove (14), a spring 1 (15), a fixing block (16), a second insertion rod (17), and a second limiting rod (18). The second insertion rod (17) is plugged into the slide (9), the second limiting rod (18) is plugged into the second insertion rod (17), the second limiting rod (18) is slidably plugged into the slide (9), the second limiting rod (18) is fixedly connected to the fixing block (16), one end of the spring 1 (15) is fixedly connected to the fixing block (16), the other end of the spring 1 (15) is fixedly connected to the slide (9), the receiving block (13) is fixedly connected to the second limiting rod (18), and the receiving block (13) is in contact with the slide (9).

2. A lightweight high-acceleration linear motor according to claim 1, characterized in that: The lower surface of the slide table (9) is fixedly connected with two groups of sliders (5), and the lower surfaces of the two groups of sliders (5) are both fitted with a base (1). Both sides of the base (1) are fixedly connected with a fixed plate (2), and one side of the fixed plate (2) is provided with a protective mechanism (24). The protective mechanism (24) includes an insertion rod (11), a reserved hole (22), a spring (23), a buffer pad (21) and a receiving plate (20). The insertion rod (11) is slidably plugged with the fixed plate (2), the insertion rod (11) is fixedly connected with the receiving plate (20), the receiving plate (20) is fixedly connected with the buffer pad (21), one end of the spring (23) is fixedly connected with the receiving plate (20), and the other end of the spring (23) is fitted with the inner wall of the reserved hole (22).

3. A lightweight high-acceleration linear motor according to claim 2, characterized in that: Two groups of slide rails (6) are fixedly connected to the upper surface of the base (1), and the two groups of slide rails (6) are slidably connected to the slider (5).

4. A lightweight high-acceleration linear motor according to claim 2, characterized in that: A stepper motor (7) is fixedly mounted on one side of the fixed plate (2), a screw rod (8) is fixedly connected to the output shaft of the stepper motor (7), the screw rod (8) is rotationally connected to the fixed plate (2), and the screw rod (8) is threadedly connected to the slide table (9).

5. The lightweight high-acceleration linear motor according to claim 2, characterized in that: The surface of the insert rod 1 (11) is threadedly connected with a nut (10), and the nut (10) is fitted with the fixing plate (2).

6. A lightweight high-acceleration linear motor according to claim 2, characterized in that: Four groups of limit rods (12) are inserted into the interior of the base (1), one end of each of the four groups of limit rods (12) is fixedly connected to a connecting plate (4), the connecting plate (4) is fitted with the base (1), and a threaded hole (3) is provided inside the connecting plate (4).

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