Adjustable variable-speed precise planetary reducer for automation equipment

Abstract

The utility model discloses an adjustable variable-speed precision planetary reducer for automation equipment, which comprises a shell, and the front end of the shell is connected with a transmission shaft through a bearing; the rear end of the transmission shaft is in sliding clamping connection with a rotating rod, the rear end of the rotating rod is in key connection with a first gear, the outer end of the first gear is meshed with a first wheel set, the first wheel set rotates in the shell through a rod piece, the middle of the rotating rod is in key connection with a second gear, and the second gear is contained in the shell. And the interior of the shell is rotationally connected with a second wheel set. According to the adjustable variable-speed precise planetary reducer for the automation equipment, the connecting rod is installed, the rotating rod is driven to move through movement of the connecting rod, then connection of the second gear can be replaced, the purpose of adjusting torque is achieved, due to the fact that the connecting rod is sealed in the shell, good sealing performance is achieved, and the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of speed reducer, concretely to a precision planetary speed reducer with adjustable speed for automation equipment. BACKGROUND

[0002] The main function of the speed reducer is to reduce the speed of the input shaft rotation and increase the torque of the output shaft at the same time. This is achieved by designing different sizes and number of teeth of the gears inside the speed reducer. When the input shaft gear engages with the output shaft gear, the output shaft gear size is larger, so its speed will be reduced, and the torque will be increased. This conversion allows the speed reducer to provide greater output torque to meet the needs of various mechanical equipment for low speed and high torque transmission.

[0003] The existing speed reducer has a single design, with a set of speed reduction gears inside, which cannot adjust the torque of the speed reducer, so different speed reducers need to be replaced when different torques are needed, resulting in poor adaptability.

[0004] To solve the above-mentioned defects, a high-precision planetary speed reducer with adjustable speed ratio is disclosed in CN217177291U, which adjusts the use of different torques by switching different gear sets and driving gears inside, meeting the adjustment under different conditions.

[0005] In the actual use of the above device, although the fixed seat is moved to replace the torque, when adjusting the torque, the nut needs to be rotated to move the threaded rod to drive the movement of the fixed seat, and then the fixed seat slides into the inside of the support seat. The connection between the fixed seat and the support seat may cause impurities to enter, thereby damaging the equipment and reducing the service life.

[0006] Therefore, we propose a precision planetary speed reducer with adjustable speed for automation equipment to solve the above problems. INVENTION CONTENTS

[0007] The utility model aims at providing a precision planetary speed reducer with adjustable speed for automation equipment to solve the problem of the current market that the nut needs to be rotated to move the threaded rod to drive the movement of the fixed seat, and then the fixed seat slides into the inside of the support seat. The connection between the fixed seat and the support seat may cause impurities to enter, thereby damaging the equipment and reducing the service life.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a precision planetary speed reducer with adjustable speed for automation equipment, comprising a shell, the front end of the shell is connected with a transmission shaft through a bearing;

[0009] The rear end of the transmission shaft is slidingly and claspingly connected with a rotating rod, the rear end of the rotating rod is keyed with a first gear, the outer end of the first gear is engaged with a first wheel set, the first wheel set rotates in the interior of a shell through a rod, the middle part of the rotating rod is keyed with a second gear, the second gear is accommodated in the interior of the shell, and a second wheel set is rotationally connected in the interior of the shell;

[0010] The middle part of the rotating rod is keyed with a limiting wheel, the interior of the limiting wheel is slidingly connected with a connecting rod, the rear end of the connecting rod is volute-connected in the interior of an inner rotating rod, the inner rotating rod is rotationally connected in the interior of a shell, the middle part of the inner rotating rod is keyed with a worm gear, and the top of the worm gear is engaged with a worm.

[0011] Preferably, the front end of the first gear is provided with a second gear, and the diameter of the second gear is greater than that of the first gear.

[0012] Preferably, the front end of the first wheel set is provided with a second wheel set, and the diameter of the second wheel set is smaller than that of the first wheel set.

[0013] Preferably, the limiting wheel is made of ceramic material, and the interior of the limiting wheel is concave.

[0014] Preferably, a sliding clasp mechanism is formed between the middle part of the connecting rod and the shell, and the connecting rod is in the shape of L.

[0015] Preferably, a clamping block is slidingly connected on the worm, the right end of the clamping block extends into the interior of a clamping groove to form a clamping mechanism, and the clamping grooves are arranged at equal angles with the worm as the center.

[0016] Preferably, the left end of the clamping block is connected with a spring, and the left end of the spring is connected in the interior of the worm.

[0017] Compared with the prior art, the automatic equipment with the adjustable speed type precision planetary reducer has better service life and better stability, the torque can be quickly replaced through the movement of the connecting rod, and the service life is improved due to the good sealing, and the stability of the worm can be improved through the use of the clamping block, and the specific content is as follows:

[0018] The connecting rod is arranged, the rotating rod is moved by the movement of the connecting rod, and then the connection of the second gear can be replaced, so that the purpose of adjusting the torque is achieved, and the service life is improved due to the good sealing of the connecting rod in the interior of the shell.

[0019] The clamping block is provided, the clamping block can be clamped with the clamping groove through the movement of the clamping block, the position of the worm can be fixed, the shaking of the worm is avoided, and therefore the stability during use is improved.

[0020] The limiting wheel is provided, the limiting wheel is made of ceramic material, the inside of the limiting wheel is concave, the friction coefficient between the limiting wheel and the connecting rod is reduced, and the service life of the limiting wheel is improved.

[0021] The connecting rod is provided, the sliding clamping mechanism is formed between the middle portion of the connecting rod and the shell, the connecting rod is L-shaped, the connecting rod can only move horizontally in the shell, and the connecting rod is convenient to move to drive the rotating rod to be adjusted.

[0022] The spring is provided, the left end of the clamping block is connected with the spring, the left end of the spring is connected to the inside of the worm, the spring can limit the clamping block, and the stability of the clamping block is improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a front view structural schematic diagram of the utility model;

[0024] Figure 2 It is a rotating rod and second gear connecting structure schematic diagram of the utility model;

[0025] Figure 3 It is a rotating rod moving structure schematic diagram of the utility model;

[0026] Figure 4 It is a transmission shaft and rotating rod connecting structure schematic diagram of the utility model;

[0027] Figure 5 It is a worm wheel and worm connecting structure schematic diagram of the utility model;

[0028] Figure 6 It is a clamping block and spring connecting structure schematic diagram of the utility model.

[0029] In the drawing: 1, shell; 2, transmission shaft; 3, rotating rod; 4, first gear; 5, first wheel set; 6, second gear; 7, second wheel set; 8, limiting wheel; 9, connecting rod; 10, inner rotating rod; 11, worm wheel; 12, worm; 13, clamping block; 14, clamping groove; 15, spring. DETAILED DESCRIPTION

[0030] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0031] The adjustable speed type precision planetary reducer for automatic equipment solves the problem that the existing nut needs to be rotated to move the threaded rod to drive the movement of the fixed seat, which in turn causes the fixed seat to slide into the inside of the support seat, and the connection between the fixed seat and the support seat may cause impurities to enter, thereby damaging the equipment and causing poor service life. Through the movement of the connecting rod 9, better sealing can be achieved under the premise of adjusting the torque, thereby improving the service life. The present application discloses:

[0032] The front end of the shell 1 is connected with a transmission shaft 2 through a bearing; the rear end of the transmission shaft 2 is slidingly and clampingly connected with a rotating rod 3, the rear end of the rotating rod 3 is keyed with a first gear 4, the outer end of the first gear 4 is engaged with a first wheel set 5, the first wheel set 5 is rotatably arranged in the shell 1 through a rod, the middle part of the rotating rod 3 is keyed with a second gear 6, and the second gear 6 is contained in the shell 1, a second wheel set 7 is rotatably connected in the shell 1; the middle part of the rotating rod 3 is keyed with a limiting wheel 8, the inside of the limiting wheel 8 is slidingly connected with a connecting rod 9, the rear end of the connecting rod 9 is volute-connected in the inside of an inner rotating rod 10, the inner rotating rod 10 is rotatably connected in the shell 1, the middle part of the inner rotating rod 10 is keyed with a worm wheel 11, the top of the worm wheel 11 is engaged with a worm 12, the worm 12 is rotatably arranged in the shell 1, the front end of the first gear 4 is provided with the second gear 6, the diameter of the second gear 6 is greater than that of the first gear 4, the front end of the first wheel set 5 is provided with the second wheel set 7, and the diameter of the second wheel set 7 is smaller than that of the first wheel set 5;

[0033] Reference Figures 1 to 5, the output end of the automatic equipment is connected with the transmission shaft 2, the rotation of the transmission shaft 2 can drive the rotating rod 3 to rotate, and then the rotation of the rotating rod 3 can drive the first gear 4 to rotate, so that the first gear 4 rotates through the first wheel set 5 to achieve the purpose of reducing speed and increasing torque. When the torque needs to be adjusted, the worm 12 is rotated to drive the worm wheel 11 to rotate, and then the rotation of the worm wheel 11 drives the inner rotating rod 10 to rotate, and the rotation of the inner rotating rod 10 drives the connecting rod 9 to move, and the connecting rod 9 moves in the inside of the shell 1, so that the movement of the connecting rod 9 drives the limiting wheel 8 to move, so that the movement of the limiting wheel 8 drives the rotating rod 3 to move, so that the rotating rod 3 can slide in the inside of the transmission shaft 2, and the movement of the rotating rod 3 drives the first gear 4 to disengage from the first wheel set 5, and the movement of the rotating rod 3 also drives the second gear 6 to move, so that the second gear 6 engages with the second wheel set 7, so as to achieve the purpose of adjusting the torque, and due to the good sealing performance, the entry of impurities is avoided, thereby improving the service life.

[0034] Embodiment two: an automatic equipment adjustable speed type precision planetary reducer solves the problem of easy damage of the limiting wheel 8 in embodiment one, by using ceramic material for the limiting wheel 8, thereby improving the service life, which discloses:

[0035] The limiting wheel 8 is composed of ceramic material, and the inside of the limiting wheel 8 is concave, the middle part of the connecting rod 9 and the shell 1 form a sliding clamping mechanism, and the connecting rod 9 is in the shape of "L";

[0036] Reference Figures 1 to 5 The rotation of the rotating rod 3 drives the limiting wheel 8 to rotate, and the rotation of the limiting wheel 8 drives the connecting rod 9 to slide in the inside of the connecting rod 9, so that the rotating rod 3 can rotate normally, and the limiting wheel 8 is made of ceramic material, thereby reducing the friction coefficient between the limiting wheel 8 and the connecting rod 9, thereby reducing the wear between the connecting rod 9 and the limiting wheel 8, thereby improving the service life of the limiting wheel 8.

[0037] Embodiment three: an automatic equipment adjustable speed type precision planetary reducer solves the problem of poor stability of the worm 12 in embodiment one, by clamping the clamping block 13 and the clamping groove 14, the stability of the worm 12 can be improved, which discloses:

[0038] The clamping block 13 is slidably connected to the worm 12, the right end of the clamping block 13 extends into the inside of the clamping groove 14 to form a clamping mechanism, and the clamping groove 14 is arranged at equal angles around the worm 12, the left end of the clamping block 13 is connected with the spring 15, and the left end of the spring 15 is connected in the inside of the worm 12;

[0039] Reference Figure 2 andFigure 6 When adjustment is needed, by pulling the locking block 13, the locking block 13 can move on the worm gear 12. The movement of the locking block 13 will compress the spring 15, and the movement of the locking block 13 will disengage from the locking groove 14, allowing the worm gear 12 to rotate. After the worm gear 12 is adjusted to the position, the locking block 13 is released, and the force of the spring 15 will push the locking block 13 into the interior of the locking groove 14 to form a lock. This will fix the position of the worm gear 12, thereby preventing the worm gear 12 from rotating due to vibration, and thus improving the stability of use.

[0040] Working principle: When using this type of adjustable speed precision planetary reducer for automated equipment, firstly, refer to... Figures 1 to 5 The output end of the automated equipment is connected to the drive shaft 2. The rotation of the drive shaft 2 drives the rotating rod 3 to rotate, which in turn drives the first gear 4 to rotate. When torque adjustment is required, the worm gear 12 is rotated, which drives the worm wheel 11 to rotate, which in turn drives the inner rotating rod 10 to rotate. The connecting rod 9 moves inside the housing 1, which in turn drives the limit wheel 8 to move. The movement of the rotating rod 3 causes the first gear 4 to disengage from the first gear set 5, and the movement of the rotating rod 3 also drives the second gear 6 to move. Thus, the purpose of adjusting torque is achieved. Furthermore, due to the good sealing performance, impurities are prevented from entering, thereby improving the service life.

[0041] refer to Figures 1 to 5 The rotation of the rotating rod 3 will drive the limit wheel 8 to rotate, and the rotation of the limit wheel 8 will cause the connecting rod 9 to slide inside it. Since the limit wheel 8 is made of ceramic material, the coefficient of friction between the limit wheel 8 and the connecting rod 9 will be reduced, thus improving the service life of the limit wheel 8.

[0042] refer to Figure 2 and Figure 6 When adjustment is needed, the locking block 13 is pulled, allowing it to move on the worm gear 12. The movement of the locking block 13 disengages from the locking groove 14, allowing the worm gear 12 to rotate. After the worm gear 12 is adjusted to the desired position, the locking block 13 is released, which then fixes the position of the worm gear 12, preventing the worm gear 12 from rotating due to vibration and thus improving the stability of use.

[0043] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0044] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An adjustable speed precision planetary reducer for automation equipment, comprising a housing (1), the front end of the housing (1) is connected with a transmission shaft (2) through a bearing; characterized in that The rear end of the transmission shaft (2) is slidingly and clampingly connected with a rotating rod (3), the rear end of the rotating rod (3) is keyed with a first gear (4), the outer end of the first gear (4) is engaged with a first wheel set (5), the first wheel set (5) is rotatably arranged in the housing (1), the middle part of the rotating rod (3) is keyed with a second gear (6), and the second gear (6) is arranged in the housing (1), a second wheel set (7) is rotatably connected in the housing (1); The middle part of the rotating rod (3) is keyed with a limiting wheel (8), the inside of the limiting wheel (8) is slidingly connected with a connecting rod (9), the rear end of the connecting rod (9) is screw-connected in the inside of an inner rotating rod (10), the inner rotating rod (10) is rotatably connected in the housing (1), the middle part of the inner rotating rod (10) is keyed with a worm wheel (11), and the top of the worm wheel (11) is engaged with a worm (12), the worm (12) is rotatably arranged in the housing (1).

2. The adjustable speed precision planetary reducer for automation equipment according to claim 1, characterized in that: The front end of the first gear (4) is provided with the second gear (6), and the diameter of the second gear (6) is greater than that of the first gear (4).

3. The adjustable speed precision planetary reducer for automation equipment according to claim 1, characterized in that: The front end of the first wheel set (5) is provided with the second wheel set (7), and the diameter of the second wheel set (7) is smaller than that of the first wheel set (5).

4. The adjustable speed precision planetary reducer for automation equipment according to claim 1, characterized in that: The limiting wheel (8) is made of ceramic material, and the inside of the limiting wheel (8) is concave.

5. The adjustable speed precision planetary reducer for automation equipment according to claim 1, characterized in that: The middle part of the connecting rod (9) and the housing (1) form a sliding clamping mechanism, and the connecting rod (9) is arranged in an "L" shape.

6. The adjustable speed precision planetary reducer for automation equipment according to claim 1, characterized in that: The worm (12) is slidingly connected with a clamping block (13), the right end of the clamping block (13) extends into the inside of a clamping groove (14) to form a clamping mechanism, and the clamping groove (14) is arranged at equal angles with the worm (12) as the center.

7. The adjustable speed precision planetary reducer for automation equipment according to claim 6, characterized in that: The left end of the clamping block (13) is connected with a spring (15), and the left end of the spring (15) is connected in the inside of the worm (12).

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