CN215171905U

CN215171905U - Worm gear speed reducer convenient for heat dissipation

Info

Publication number: CN215171905U
Application number: CN202121556668.6U
Authority: CN
Inventors: 陈永明
Original assignee: Shaoxing Shangyu Hengxin Machinery Co ltd
Current assignee: Shaoxing Shangyu Hengxin Machinery Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2021-12-14
Anticipated expiration: 2031-07-08

Abstract

The utility model discloses a worm gear speed reducer convenient for heat dissipation, which comprises a motor and a box body, wherein a worm is arranged in the box body, a worm wheel is arranged in the box body, a heat conducting strip is arranged in the box body, a plurality of heat conducting fins are arranged on the heat conducting strip, two heat radiating fans are also arranged in the box body, the upper end of the box body is provided with a dustproof filter plate, each heat radiating fan comprises a fan body and a plurality of fan blades, the fan blades are respectively fixed on the upper end surface of the fan body in a spiral inclined way, one end of the fan body is provided with a plurality of flow guide holes, the utility model has reasonable structure, a large amount of heat can be generated when the worm wheel and the worm rotate and rub, the heat can be effectively absorbed through the heat conducting strip and the heat conducting fins, the heat in the box body can be effectively dispersed through the plurality of flow guide holes, the wind power can be effectively gathered at the center of the heat radiating fan through the fixed fan blades in the spiral inclined way, and then the hot fan blows out the heat to the box body, therefore, the high-efficiency operation of the worm and gear speed reducer is ensured, and the worm and gear speed reducer is prevented from being damaged due to overheating.

Description

Worm gear speed reducer convenient for heat dissipation

Technical Field

The utility model relates to a speed reducer technical field, in particular to worm gear speed reducer convenient to heat dissipation.

Background

A worm gear reducer is a power transmission mechanism that uses a gear speed converter to reduce the number of revolutions of a motor (motor) to a desired number of revolutions and obtain a large torque. In a mechanism for transmitting power and motion, a reduction gear has a wide range of applications. The trace of the transmission system can be seen in various machines, such as ships, automobiles, locomotives of vehicles, heavy equipment for buildings, processing equipment and automatic production equipment used in the mechanical industry, common household appliances in daily life, clocks and watches, and the like. The application of the speed reducer can be seen from the transmission work of large power, to the transmission of small load and accurate angle, and in industrial application, the speed reducer has the functions of reducing speed and increasing torque. Therefore, the device is widely applied to speed and torque conversion equipment.

Current worm gear speed reducer is behind the continuous motion, and the worm wheel can produce a large amount of heats with the worm after long-time rotation friction with the worm, and this can make worm wheel and worm heat rise, causes worm wheel and worm area of contact grow to directly influence the life and the work efficiency of worm wheel and worm. In view of the above problems, a solution is proposed as follows.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a worm gear speed reducer convenient to heat dissipation has the heat dissipation, prevents dust effectual advantage.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a worm gear speed reducer convenient for heat dissipation comprises a motor and a box body, wherein the motor is installed at one end of the box body, a worm is arranged in the box body, an output shaft of the motor penetrates through the box body and is fixedly connected with one end of the worm, a bearing is arranged on the inner wall of the box body, the other end of the worm penetrates through the center of the bearing and is fixedly connected with the center of the bearing, a worm wheel is arranged in the box body and is meshed with the worm, an output shaft is arranged at the center of the worm wheel, a rotating rod is arranged in the box body, rotating sheets are embedded on the inner walls on two sides of the box body and are in rotating fit with the inner wall of the box body, two ends of the rotating rod are respectively fixedly connected with one ends of the two rotating sheets, a transmission mechanism is connected between the rotating rod and the worm, a heat conducting strip is arranged in the box body and is positioned above the rotating rod, the box is characterized in that a plurality of heat conducting fins are arranged on the heat conducting strip, two heat radiating fans are further arranged in the box and are all located above the heat conducting strip, a rotating mechanism is connected between each heat radiating fan and the corresponding rotating rod, a dustproof filter sheet is arranged at the upper end of the box, and the dustproof filter sheet is detachably connected with the box.

Preferably, the two heat dissipation fans comprise fan bodies and fan blades, the fan blades are fixed on the upper end faces of the two fan bodies in a spiral inclined mode respectively, and a plurality of flow guide holes are formed in one ends of the two fan bodies.

Preferably, the transmission mechanism comprises a transmission wheel a, a transmission wheel b and a transmission chain, the transmission wheel a is mounted on the worm, the transmission wheel b is mounted on the rotating rod, and the transmission chain is sleeved between the transmission wheel a and the transmission wheel b.

Preferably, the rotating mechanism comprises two bevel gears a and two bevel gears b, the two bevel gears a are symmetrically installed on the rotating rod, the lower end surfaces of the two fan heaters are fixedly provided with connecting rods, the lower ends of the two connecting rods are fixedly connected with one ends of the two bevel gears b respectively, and the two bevel gears a are meshed with the two bevel gears b respectively.

As preferred, be provided with two shifting blocks, two on the lower terminal surface of dustproof cassette the shifting block is all flexible, set firmly two fixed blocks in the box, just the top of two shifting blocks supports the one end at two fixed blocks respectively, two of box all are equipped with the spout, two all be provided with the slide bar in the spout, and two the slide bar all is the T style of calligraphy, two one side of shifting block all is provided with the ejector pad, two the box is worn to establish to the one end of slide bar, and is located two respectively the one end fixed connection of ejector pad, two all wear to be equipped with the spring on the slide bar, and two the both ends of spring respectively with the one end of spout and the one end fixed connection of slide bar.

The utility model has the advantages that: can produce a large amount of heats during worm wheel and the worm rotation friction, can be with the effectual absorption of heat through heat conduction strip and heat conduction fin, later two fan hot fan rotate blow off the heat outside the box through dustproof cassette, consequently, the high-efficient operation of worm gear speed reducer machine has been guaranteed, prevent that the worm gear speed reducer machine is overheated and damage, heat in can effectual dispersion box through a plurality of water conservancy diversion holes, and the fixed flabellum through spiral slope can be with the effectual gathering at radiator fan's center of wind-force, be convenient for quick blow off the heat outside the box, dustproof filter screen can effectually reduce the dust and enter into the box.

Drawings

FIG. 1 is a schematic view of the internal structure of the embodiment;

FIG. 2 is a schematic view of the heat fan in the embodiment

Fig. 3 is a partially enlarged view of the area a in fig. 1.

Reference numerals: 1. a motor; 2. a box body; 3. a worm; 4. a bearing; 5. a worm gear; 6. an output shaft; 7. a rotating rod; 8. rotating the sheet; 9. a heat conducting strip; 10. a heat conductive fin; 11. a heat radiation fan; 12. a dustproof filter sheet; 13. a fan body; 14. a fan blade; 15. a flow guide hole; 16. a conveying wheel a; 17. a transfer wheel b; 18. a conveyor chain; 19. a bevel gear a; 20. a bevel gear b; 21. a connecting rod; 22. shifting blocks; 23. a fixed block; 24. a slide bar; 25. a push block; 26. a spring.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

As shown in fig. 1 to 3, a worm gear speed reducer convenient to heat dissipation includes a motor 1 and a box 2, the motor 1 is installed at one end of the box 2, a worm 3 is arranged in the box 2, an output shaft 6 of the motor 1 penetrates through the box 2 and is fixedly connected with one end of the worm 3, the motor 1 is started, and the rotation of the motor 1 can drive the worm 3 to rotate. Be provided with bearing 4 on the inner wall of box 2, the other end of worm 3 wears to establish the center of bearing 4, and with the center fixed connection of bearing 4, bearing 4 can make the rotation of worm 3 more smooth and easy, is provided with worm wheel 5 in the box 2, and the center of worm wheel 5 is provided with output shaft 6, because worm wheel 5 meshes with worm 3 mutually, can drive worm wheel 5 when worm 3 rotates and rotate to drive output shaft 6 and rotate together, so that the output work of output shaft 6.

Be provided with bull stick 7 in the box 2, all inlayed rotor 8 on the inner wall of box 2 both sides, two rotor 8 all with the inner wall normal running fit of box 2, the both ends of bull stick 7 respectively with the one end fixed connection of two rotor 8, be connected with drive mechanism between bull stick 7 and the worm 3, when worm 3 rotates, can realize through drive mechanism that bull stick 7 rotates together. The transmission mechanism comprises a transmission wheel a16, a transmission wheel b17 and a transmission chain 18, the transmission wheel a16 is installed on the worm 3, the transmission wheel b17 is installed on the rotating rod 7, the transmission chain 18 is sleeved between the transmission wheel a16 and the transmission wheel b17, when the worm 3 rotates, the transmission wheel a16 is driven to rotate, and as the transmission chain 18 is respectively meshed with the transmission wheel a16 and the transmission wheel b17, the transmission wheel a16 rotates to drive the transmission chain 18 to start transmission, so that the transmission wheel b17 is driven to rotate, and finally the rotating rod 7 rotates.

Be provided with heat conduction strip 9 in the box 2, heat conduction strip 9 is located the top of bull stick 7, is provided with a plurality of heat conduction fins 10 on the heat conduction strip 9, through heat conduction strip 9 and heat conduction fins 10 can be with the effectual absorption of heat that produces when rubbing at a high speed between worm 3 and the worm wheel 5. Still be provided with two radiator fan 11 in the box 2, two radiator fan 11 all are located the top of heat conduction strip 9, are connected with slewing mechanism between radiator fan 11 and the bull stick 7, can realize the rotation of two fans through slewing mechanism. The rotating mechanism comprises two bevel gears a19 and two bevel gears b20, the two bevel gears a19 are symmetrically arranged on the rotating rod 7, the connecting rods 21 are fixedly arranged on the lower end faces of the two fan fans, the lower ends of the two connecting rods 21 are fixedly connected with one ends of the two bevel gears b20 respectively, when the rotating rod 7 rotates, the two bevel gears a19 can be driven to rotate simultaneously, the two bevel gears a19 are meshed with the two bevel gears b20 respectively, the two bevel gears a19 rotate to drive the two bevel gears b20 to rotate simultaneously, so that the two connecting rods 21 are driven to rotate, and finally the two fan fans rotate simultaneously. The upper end of box 2 is provided with dustproof cassette 12, and the heat that finally produces in the box 2 can blow out outside box 2 through dustproof cassette 12 through two fan heater fans to guaranteed worm gear speed reducer's high-efficient operation, prevented that 3 speed reducers of worm wheel 5 are overheated and damage.

Two radiator fan 11 all include the fan body 13 and flabellum 14, and the up end at two fan bodies 13 is fixed to the spiral slope respectively of a plurality of flabellum 14, and a plurality of water conservancy diversion holes 15 have all been seted up to the one end of two fan bodies 13, through the heat in a plurality of water conservancy diversion holes 15 can effectual dispersion box 2, and can be with the effectual gathering in radiator fan 11's center of wind-force through the fixed flabellum 14 of spiral slope, be convenient for quick blow off the heat outside box 2.

The dustproof filter sheet 12 is detachably connected with the box body 2, the dustproof filter screen can effectively reduce dust from entering the box body 2, and can be detachably cleaned when a large amount of dust is accumulated, two shifting blocks 22 are arranged on the lower end surface of the dustproof filter sheet 12, the two shifting blocks 22 are elastic, two fixed blocks 23 are fixedly arranged in the box body 2, the top ends of the two shifting blocks 22 are respectively abutted against one ends of the two fixed blocks 23, two of the box body 2 are respectively provided with a sliding groove, a sliding rod 24 is arranged in each sliding groove, each sliding rod 24 is T-shaped, one side of each shifting block 22 is provided with a pushing block 25, one end of each sliding rod 24 penetrates through the box body 2 and is respectively fixedly connected with one end of each pushing block 25 to respectively push the two sliding rods 24, so that the two sliding rods 24 respectively slide in the two sliding grooves, thereby driving the two pushing blocks 25 to move outwards, therefore the pushing blocks 25 can push the two shifting blocks 22 respectively, so that the shifting block 22 is separated from the fixed block 23, and the dustproof filter sheet 12 can be detached from the box body 2. The springs 26 penetrate through the two sliding rods 24, two ends of each spring 26 are fixedly connected with one end of the corresponding sliding groove and one end of the corresponding sliding rod 24, when the sliding rods 24 slide in the corresponding sliding grooves, the two springs 26 are extruded respectively, the two springs 26 generate elastic force, when the sliding rods 24 are loosened, the elastic force of the two springs 26 can push the sliding rods 24 back to the initial position, the push block 25 is made to return to the initial position, the cleaned dustproof filter pieces 12 are conveniently installed back to the box body 2 again, and then the worm wheel 5 and the worm 3 speed reducer can run normally.

Claims

1. The worm gear speed reducer convenient for heat dissipation comprises a motor (1) and a box body (2), and is characterized in that the motor (1) is installed at one end of the box body (2), a worm (3) is arranged in the box body (2), an output shaft (6) of the motor (1) penetrates through the box body (2) and is fixedly connected with one end of the worm (3), a bearing (4) is arranged on the inner wall of the box body (2), the other end of the worm (3) penetrates through the center of the bearing (4) and is fixedly connected with the center of the bearing (4), a worm wheel (5) is arranged in the box body (2), the worm wheel (5) is meshed with the worm (3), the output shaft (6) is arranged at the center of the worm wheel (5), a rotating rod (7) is arranged in the box body (2), rotating sheets (8) are embedded on the inner walls of two sides of the box body (2), two rotor (8) all with the inner wall normal running fit of box (2), the both ends of bull stick (7) respectively with two the one end fixed connection of rotor (8), be connected with drive mechanism between bull stick (7) and worm (3), be provided with heat conduction strip (9) in box (2), heat conduction strip (9) are located the top of bull stick (7), be provided with a plurality of heat conduction fins (10) on heat conduction strip (9), still be provided with two radiator fan (11) in box (2), two radiator fan (11) all are located the top of heat conduction strip (9), be connected with slewing mechanism between radiator fan (11) and bull stick (7), the upper end of box (2) is provided with dustproof cassette (12), just dustproof cassette (12) can dismantle with box (2) and be connected.

2. The worm and gear speed reducer convenient for heat dissipation according to claim 1, wherein each of the two heat dissipation fans (11) comprises a fan body (13) and a fan blade (14), the fan blades (14) are respectively fixed on the upper end surfaces of the two fan bodies (13) in a spiral inclined manner, and a plurality of flow guide holes (15) are formed in one end of each of the two fan bodies (13).

3. The worm and gear speed reducer convenient for heat dissipation according to claim 2, wherein the transmission mechanism comprises a transmission wheel a (16), a transmission wheel b (17) and a transmission chain (18), the transmission wheel a (16) is installed on the worm (3), the transmission wheel b (17) is installed on the rotating rod (7), and the transmission chain (18) is sleeved between the transmission wheel a (16) and the transmission wheel b (17).

4. The worm and gear speed reducer convenient for heat dissipation according to claim 3, wherein the rotating mechanism comprises two bevel gears a (19) and two bevel gears b (20), the two bevel gears a (19) are symmetrically installed on the rotating rod (7), the lower end surfaces of the two heat dissipation fans are fixedly provided with connecting rods (21), the lower ends of the two connecting rods (21) are fixedly connected with one ends of the two bevel gears b (20), and the two bevel gears a (19) are respectively meshed with the two bevel gears b (20).

5. The worm-gear speed reducer convenient for heat dissipation according to claim 4, wherein two shifting blocks (22) are arranged on the lower end face of the dustproof filter sheet (12), the two shifting blocks (22) are elastic, two fixed blocks (23) are fixedly arranged in the box body (2), the top ends of the two shifting blocks (22) respectively abut against one ends of the two fixed blocks (23), the two box bodies (2) are provided with sliding grooves, the two sliding grooves are internally provided with sliding rods (24), the two sliding rods (24) are T-shaped, one sides of the two shifting blocks (22) are provided with push blocks (25), the two sliding rods (24) are fixedly connected with one ends of the two push blocks (25), springs (26) are arranged on the two sliding rods (24), and two ends of the two springs (26) are fixedly connected with one ends of the sliding grooves and one ends of the two sliding rods (24) respectively .