CN216851542U

CN216851542U - Linear screw rod stepping motor

Info

Publication number: CN216851542U
Application number: CN202122643057.1U
Authority: CN
Inventors: 吴建国
Original assignee: Shenzhen Yajia Motor Co ltd
Current assignee: Shenzhen Yajia Motor Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-06-28
Anticipated expiration: 2031-11-01

Abstract

The utility model discloses a linear screw rod step motor, including the guard box, the left side fixedly connected with carriage of guard box, the left side fixedly connected with step motor body of guard box inner chamber, the left output fixedly connected with screw lead screw of step motor body. The utility model discloses a guard box, the carriage, the step motor body, the screw thread lead screw, the movable block, the intake pipe, the transfer line, the bracing piece, first flabellum, the filter screen, the horizontal pole, the brush board, a weighing sensor and a temperature sensor, the refrigerator, lead the heat sink, the exhaust pipe, the heat dissipation motor, the second flabellum, the cooperation of heat sink and heat conduction silica gel is used, possess the advantage that heat dissipation and dust removal effect are good, the in-process of having solved current linear lead screw step motor and using can produce a large amount of heats, step motor uses under high temperature environment for a long time, inside electron device is heated easily and is produced the damage, thereby reduce the problem of step motor practicality easily.

Description

Linear screw rod stepping motor

Technical Field

The utility model relates to a lead screw step motor technical field specifically is a linear screw step motor.

Background

Lead screw step motor, or linear step motor, it produces the rotation through the pulse electromagnetic field interaction with the stator produces by the magnetism rotor core, lead screw step motor turns into linear motion rotary motion in the motor inside, the basic principle of motor, adopt a screw rod and nut to mesh mutually, take some method to prevent screw rod nut relative rotation, thereby make screw rod axial displacement, current straight line lead screw step motor can produce a large amount of heats at the in-process that uses, step motor uses under high temperature environment for a long time, inside electron device is heated easily and is produced the damage, thereby reduce step motor's practicality easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a linear screw rod step motor possesses the good advantage of heat dissipation and dust removal effect, has solved current linear screw rod step motor and can produce a large amount of heats at the in-process that uses, and step motor uses under high temperature environment for a long time, and inside electron device is heated easily and produces the damage to reduce the problem of step motor practicality easily.

In order to achieve the above purpose, the utility model provides a following technical scheme: a linear lead screw stepping motor comprises a protection box, wherein a supporting frame is fixedly connected to the left side of the protection box, a stepping motor body is fixedly connected to the left side of an inner cavity of the protection box, a threaded lead screw is fixedly connected to the left output end of the stepping motor body, the left side of the threaded lead screw penetrates through the inner cavity of the supporting frame, a moving block is connected to the surface of the threaded lead screw in a threaded manner, an air inlet pipe is communicated with the bottom of the protection box, a transmission rod is arranged in the inner cavity of the air inlet pipe, a support rod is sleeved on the surface of the transmission rod, one side of the support rod, away from the transmission rod, is fixedly connected with the inner wall of the air inlet pipe, a first fan blade is fixedly connected to the surface of the transmission rod and positioned at the top of the support rod, a filter screen is fixedly connected to the bottom of the inner cavity of the air inlet pipe, and a cross rod is fixedly connected to the bottom of the transmission rod, the utility model discloses a motor, including horizontal pole, guard box, exhaust pipe, fan, heat dissipation motor, the equal fixedly connected with brush board in both sides at horizontal pole top, the top fixedly connected with temperature sensor on guard box inner chamber right side, the bottom on guard box right side is provided with the refrigerator, the left side of refrigerator runs through to the inner chamber and the fixedly connected with heat conduction piece of guard box, the top intercommunication of guard box has the exhaust pipe, the inner chamber of exhaust pipe is provided with the heat dissipation motor, the output end fixedly connected with second flabellum of heat dissipation motor, the right side of step motor body is provided with the conducting strip, the left side fixedly connected with heat conduction silica gel of conducting strip.

Preferably, the top and the bottom of the right side of the heat conducting fin are both provided with fixing bolts, and the left side of each fixing bolt penetrates through the heat conducting fin and is in threaded connection with the stepping motor body.

Preferably, the bottom of the moving block is fixedly connected with a supporting sleeve, an inner cavity of the supporting sleeve is connected with a sliding rod in a sliding mode, and two sides of the sliding rod are fixedly connected with the inner wall of the supporting frame.

Preferably, the top of brush board contacts with the filter screen, the left side and the step motor body of heat conduction silica gel contact.

Preferably, the surface of the transmission rod is movably connected with the support rod through a first bearing, and the left side of the threaded screw rod is movably connected with the inner wall of the support frame through a second bearing.

Preferably, the equal fixedly connected with heating panel of front side and the rear side of step motor body, the equal fixedly connected with heat conduction grid in the opposite one side of two heating panels.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a guard box, the carriage, the step motor body, the screw thread lead screw, the movable block, the intake pipe, the transfer line, the bracing piece, first flabellum, the filter screen, the horizontal pole, the brush board, a weighing sensor and a temperature sensor, the refrigerator, lead the heat sink, the exhaust pipe, the heat dissipation motor, the second flabellum, the cooperation of heat sink and heat conduction silica gel is used, possess the advantage that heat dissipation and dust removal effect are good, the in-process of having solved current linear lead screw step motor and using can produce a large amount of heats, step motor uses under high temperature environment for a long time, inside electron device is heated easily and is produced the damage, thereby reduce the problem of step motor practicality easily.

2. The utility model discloses a set up fixing bolt, can fix the conducting strip, support the cover through setting up, can cooperate the slide bar to support the movable block, improve the stability when the movable block removes, through setting up the brush board, can clean the surface of filter screen, avoid the dust to block up the filter screen and influence the filter effect, through setting up the heating panel, can conduct the heat that the step motor body produced, improve the radiating effect.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an enlarged view of A in FIG. 1 according to the present invention;

fig. 3 is a front view of the structure of the present invention.

In the figure: 1. a protection box; 2. a support frame; 3. a stepping motor body; 4. a threaded lead screw; 5. a moving block; 6. an air inlet pipe; 7. a transmission rod; 8. a support bar; 9. a first fan blade; 10. a filter screen; 11. a cross bar; 12. brushing the board; 13. a temperature sensor; 14. a refrigerator; 15. a heat conducting sheet; 16. an exhaust duct; 17. a heat dissipation motor; 18. a second fan blade; 19. a heat conductive sheet; 20. heat conducting silica gel; 21. fixing the bolt; 22. a support sleeve; 23. a slide bar; 24. a heat sink.

Detailed Description

In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of various embodiments of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-3, a linear lead screw stepping motor comprises a protection box 1, a supporting frame 2 is fixedly connected to the left side of the protection box 1, a stepping motor body 3 is fixedly connected to the left side of the inner cavity of the protection box 1, a threaded lead screw 4 is fixedly connected to the output end of the left side of the stepping motor body 3, the left side of the threaded lead screw 4 penetrates through the inner cavity of the supporting frame 2, a moving block 5 is connected to the surface of the threaded lead screw 4 in a threaded manner, an air inlet pipe 6 is communicated with the bottom of the protection box 1, a transmission rod 7 is arranged in the inner cavity of the air inlet pipe 6, a support rod 8 is sleeved on the surface of the transmission rod 7, one side of the support rod 8, away from the transmission rod 7, is fixedly connected with the inner wall of the air inlet pipe 6, a first fan blade 9 is fixedly connected to the surface of the support rod 7 and positioned at the top of the support rod 8, a filter screen 10 is fixedly connected to the bottom of the inner cavity of the air inlet pipe 6, and a cross rod 11 is fixedly connected to the bottom of the transmission rod 7, both sides of the top of the cross bar 11 are fixedly connected with brush plates 12, the top of the right side of the inner cavity of the protective box 1 is fixedly connected with a temperature sensor 13, the bottom of the right side of the protective box 1 is provided with a refrigerator 14, the left side of the refrigerator 14 penetrates into the inner cavity of the protective box 1 and is fixedly connected with a heat conducting sheet 15, the top of the protective box 1 is communicated with an exhaust pipe 16, the inner cavity of the exhaust pipe 16 is provided with a heat radiating motor 17, the output end of the heat radiating motor 17 is fixedly connected with a second fan blade 18, the right side of the stepping motor body 3 is provided with a heat conducting sheet 19, the left side of the heat conducting sheet 19 is fixedly connected with a heat conducting silica gel 20, the top and the bottom of the right side of the heat conducting sheet 19 are both provided with fixing bolts 21, the heat conducting sheet 19 can be fixed by arranging the fixing bolts 21, the left side of the fixing bolts 21 penetrates through the heat conducting sheet 19 and is in threaded connection with the stepping motor body 3, the bottom of the moving block 5 is fixedly connected with a supporting sleeve 22, through arranging the supporting sleeve 22, the supporting sleeve can be matched with the sliding rod 23 to support the moving block 5, the stability of the moving block 5 during moving is improved, the sliding rod 23 is connected to the inner cavity of the supporting sleeve 22 in a sliding manner, both sides of the sliding rod 23 are fixedly connected with the inner wall of the supporting frame 2, the top of the brush plate 12 is contacted with the filter screen 10, through arranging the brush plate 12, the surface of the filter screen 10 can be cleaned, the filter screen 10 is prevented from being blocked by dust, the influence on the filtering effect is avoided, the left side of the heat-conducting silica gel 20 is contacted with the stepping motor body 3, the surface of the transmission rod 7 is movably connected with the supporting rod 8 through the first bearing, the left side of the threaded lead screw 4 is movably connected with the inner wall of the supporting frame 2 through the second bearing, the heat-radiating plates 24 are fixedly connected to the front side and the rear side of the stepping motor body 3, through arranging the heat-radiating plates 24, the heat generated by the stepping motor body 3 can be conducted, and the heat-radiating effect is improved, the equal fixedly connected with heat conduction grid in the opposite one side of two heating panels 24, through guard box 1, carriage 2, step motor body 3, threaded screw 4, movable block 5, intake pipe 6, transfer line 7, bracing piece 8, first flabellum 9, filter screen 10, horizontal pole 11, brush board 12, temperature sensor 13, refrigerator 14, lead thermosphere 15, exhaust pipe 16, heat dissipation motor 17, second flabellum 18, the cooperation of conducting strip 19 and heat conducting silica gel 20 is used, possess the good advantage of heat dissipation and dust removal effect, the in-process of having solved current linear screw stepper motor and using can produce a large amount of heats, step motor uses under high temperature environment for a long time, inside electron device is heated easily and is produced the damage, thereby reduce the problem of step motor practicality easily.

When the device is used, when the temperature sensor 13 detects that the temperature inside the protection box 1 is greater than a set value, a signal is transmitted to the external controller, the external controller starts the heat dissipation motor 17 and the refrigerator 14, the heat dissipation motor 17 drives the second fan blade 18 to rotate, the second fan blade 18 rotates to drive the air inside the protection box 1 to flow, hot air is exhausted through the exhaust pipe 16, external air enters the protection box 1 through the air inlet pipe 6, the refrigerator 14 is matched with the heat conduction sheet 15 to refrigerate the entered air and then blows the air to the stepping motor body 3 to dissipate heat, heat generated by the stepping motor body 3 is transmitted through the matching of the heat conduction silica gel 20, the heat conduction sheet 19, the heat dissipation plate 24 and the heat conduction grid, the heat dissipation area is increased, the heat dissipation effect is further improved, the external air drives the first fan blade 9 to rotate through the air inlet pipe 6, the first fan blade 9 rotates and is matched with the transmission rod 7 to drive the cross rod 11 to rotate, the cross rod 11 rotates to drive the brush plate 12 to rotate to clean the surface of the filter screen 10, and the filter screen 10 is prevented from being blocked to influence the filtering effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a linear screw rod step motor, includes guard box (1), its characterized in that: the left side of the protection box (1) is fixedly connected with a supporting frame (2), the left side of an inner cavity of the protection box (1) is fixedly connected with a stepping motor body (3), the left output end of the stepping motor body (3) is fixedly connected with a threaded lead screw (4), the left side of the threaded lead screw (4) penetrates through the inner cavity of the supporting frame (2), the surface of the threaded lead screw (4) is in threaded connection with a moving block (5), the bottom of the protection box (1) is communicated with an air inlet pipe (6), the inner cavity of the air inlet pipe (6) is provided with a transmission rod (7), a supporting rod (8) is sleeved on the surface of the transmission rod (7), one side, away from the transmission rod (7), of the supporting rod (8) is fixedly connected with the inner wall of the air inlet pipe (6), and the surface of the transmission rod (7) is fixedly connected with a first fan blade (9) positioned at the top of the supporting rod (8), the fan-shaped air inlet structure is characterized in that a filter screen (10) is fixedly connected to the bottom between two sides of an inner cavity of the air inlet pipe (6), the bottom of the transmission rod (7) penetrates through the bottom of the filter screen (10) and is fixedly connected with a cross rod (11), two sides of the top of the cross rod (11) are fixedly connected with brush plates (12), a temperature sensor (13) is fixedly connected to the top of the right side of the inner cavity of the protective box (1), a refrigerator (14) is arranged at the bottom of the right side of the protective box (1), the left side of the refrigerator (14) penetrates through the inner cavity of the protective box (1) and is fixedly connected with a heat conducting sheet (15), the top of the protective box (1) is communicated with an exhaust pipe (16), a heat dissipation motor (17) is arranged in the inner cavity of the exhaust pipe (16), a second fan blade (18) is fixedly connected to an output end of the heat dissipation motor (17), and a heat conducting sheet (19) is arranged on the right side of the stepping motor body (3), and the left side of the heat conducting fin (19) is fixedly connected with heat conducting silica gel (20).

2. The linear screw stepper motor of claim 1, wherein: fixing bolts (21) are arranged at the top and the bottom of the right side of the heat conducting fin (19), and the left side of each fixing bolt (21) penetrates through the heat conducting fin (19) and is in threaded connection with the stepping motor body (3).

3. The linear screw stepping motor of claim 1, wherein: the bottom of the moving block (5) is fixedly connected with a supporting sleeve (22), an inner cavity of the supporting sleeve (22) is connected with a sliding rod (23) in a sliding mode, and two sides of the sliding rod (23) are fixedly connected with the inner wall of the supporting frame (2).

4. The linear screw stepping motor of claim 1, wherein: the top of brush board (12) contacts with filter screen (10), the left side and the step motor body (3) of heat conduction silica gel (20) contact.

5. The linear screw stepping motor of claim 1, wherein: the surface of the transmission rod (7) is movably connected with the support rod (8) through a first bearing, and the left side of the threaded screw rod (4) is movably connected with the inner wall of the support frame (2) through a second bearing.

6. The linear screw stepper motor of claim 1, wherein: the stepping motor is characterized in that the front side and the rear side of the stepping motor body (3) are fixedly connected with heat dissipation plates (24), and one sides of the two heat dissipation plates (24) opposite to each other are fixedly connected with heat conduction grids.