High-torque transmission device

Abstract

The utility model discloses a high-torque transmission device which comprises a base, the top end of the base is fixedly connected with an extruding machine body, the ends, extending to the outside, of two screws on the extruding machine body are fixedly connected with first gears, the side end of the extruding machine body is fixedly connected with a circular ring, and the interior of the circular ring is rotationally connected with a gear ring. The gear ring is meshed with the two first gears, a supporting plate is fixedly connected to the base, two transmission shafts are rotationally connected to the supporting plate, second gears are fixedly connected to the ends, extending into the gear ring, of the two transmission shafts, the two second gears are meshed with the gear ring, and third gears are fixedly connected to the other ends of the two transmission shafts. The positions of the multiple transmission gears can be conveniently adjusted, the transmission gears with different diameters can be conveniently engaged with the two third gears, the torque rotating speed of the transmission gears is correspondingly adjusted by adjusting the sizes of the transmission gears engaged with the two third gears, and the use practicability of the transmission gear is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to transmission equipment technical field more specifically, it relates to a high torque transmission device. BACKGROUND

[0002] Screw extruders are widely used in mixing, extruding, molding and other processes in the processing of plastics, rubber, synthetic fibers, coatings, paper pulp, pharmaceuticals, food and the like. Among them, the double screw extruder is developed on the basis of the single screw extruder, and has good feeding performance, mixing plasticizing performance, exhaust performance, extrusion stability and the like. However, the transmission device of the existing part of the double screw extruder is limited by the small center distance of the two screws and the screw diameter, and needs to withstand huge axial thrust and output sufficient torque in a limited space, resulting in unstable operation of the output end, easy wear of the parts, and affecting the service life of the extruder.

[0003] After searching, the utility model patent with Chinese application number CN202220348125.3 discloses a high-torque transmission device of a high-stability extruder, which comprises a base, a top of the base is fixedly installed with an extruder body, a bottom plate is fixedly arranged on one end of the side wall of the extruder body, a limiting ring is fixedly arranged on the side of the bottom plate away from the extruder body, an inner tooth ring is rotatably arranged on the circumferential inner wall of the limiting ring, two structurally identical screws are rotatably arranged in the extruder body, and the ends of the two screws close to the bottom plate both extend into the limiting ring and are fixedly sleeved with a second gear, and the two second gears are both engaged with the inner tooth ring.

[0004] When in use, the motor is started, the first transmission shaft is driven to rotate through the transmission of the first sprocket and the first chain, the first transmission shaft drives the connected first gear to rotate, at the same time, the second transmission shaft is driven to rotate through the transmission of the second sprocket and the second chain, the second transmission shaft drives the connected first gear to rotate, the directions of rotation of the two first gears are the same, the inner tooth ring is driven to rotate together, the two second gears are driven to rotate synchronously when the inner tooth ring rotates, and then the two screws are driven to rotate in the same direction, realizing stable torque transmission. The rotation speed of the screw driven by the motor is fixed, and it is inconvenient to adjust the torque and rotation speed of the screw according to the use demand, reducing the practicality of use. UTILITY MODEL CONTENTS

[0005] (I) Technical problems solved

[0006] In view of the problems existing in the prior art, the utility model provides a high-torque transmission device to solve the technical problems that it is inconvenient to adjust the torque and rotation speed of the screw according to the use demand and reduces the practicality of use mentioned in the background art.

[0007] (II) Technical solutions

[0008] To achieve the above object, the utility model provides the following technical scheme: A high torque transmission device, including the base, the top fixed connection of base has extruder body, two screw rods on the extruder body extend to the fixed connection of one end of outside first gear, the side fixed connection of extruder body has a ring, the inside rotation of ring is connected with gear ring, gear ring is engaged with two first gears, the fixed connection of support plate has on base, the rotation of two transmission shafts has on support plate, the fixed connection of one end of two transmission shafts has second gear in the inside of gear ring, two second gears are engaged with gear ring, the other end of two transmission shafts is fixedly connected with third gear, the top of base is connected with the front and rear sliding first adjusting seat through first adjusting assembly, the top of first adjusting seat is connected with the left and right sliding second adjusting seat through second adjusting assembly, the fixed connection of first motor has on second adjusting seat, the fixed connection of output of first motor has the shaft, the fixed connection of the outside of shaft has a plurality of transmission gears adapted to two third gears, the size of a plurality of transmission gears increases gradually from left to right, it is convenient for the position of a plurality of transmission gears to adjust, it is convenient for the transmission gear of different diameter to engage with two third gears, the torque rotation of transmission gear engaged with two third gears is adjusted correspondingly through the size of adjusting, improve its practicality of use.

[0009] The utility model further sets up, first adjusting assembly includes first sliding seat, the top of base is provided with first sliding slot, first sliding seat and first sliding slot sliding cooperation, the inside screw thread connection of first sliding seat has first screw rod, first screw rod and base rotation connection, the top of first sliding seat and the bottom of first adjusting seat fixed connection, the side end mounting of base has second motor, the output of second motor and the side end of first screw rod fixed connection, it is convenient for the front and rear position of first adjusting seat and second adjusting seat to adjust.

[0010] The utility model further sets up, the bottom of first adjusting seat is provided with recess, the inside sliding of recess has friction block, first electric cylinder is installed on first adjusting seat, the bottom of first electric cylinder and the top of friction block fixed connection, it is convenient for the fixed of first adjusting seat.

[0011] The utility model further sets up, the side end of base and the position of first sliding slot corresponding installation has baffle, baffle and first screw rod rotation connection, it is convenient for first sliding slot to block, avoid first sliding seat from the inside of first sliding slot and slide out.

[0012] The utility model further sets up, second adjusting assembly includes second sliding seat, the top of first adjusting seat is provided with second sliding groove, and second sliding seat and second sliding groove slide cooperation, and the top of second sliding seat is fixedly connected with the bottom of second adjusting seat, and the inside screw thread connection of second sliding seat has second screw rod, and second screw rod is rotatably connected with first adjusting seat, and the side end of first adjusting seat is installed with third motor, and the side end of the output of third motor is fixedly connected with second screw rod, and it is convenient to adjust second adjusting seat in left and right directions.

[0013] The utility model further sets up, the side end of second adjusting seat is fixedly connected with fixed plate, and two second electric cylinders are fixedly installed on the fixed plate, and the bottom of two second electric cylinders is fixedly connected with friction plate, and it is convenient to fix second adjusting seat.

[0014] The utility model further sets up, the fixed connection of first adjusting seat has limit stop, and the function of limiting of second adjusting seat is played, avoids the collision of second limiting seat and first electric cylinder.

[0015] The utility model further sets up, and the outside of support plate and extruder body is installed with protective cover, and the function of protection of tooth ring, two first gear and two second gear is played.

[0016] (Three) beneficial effect

[0017] Compared with the prior art, the utility model provides a kind of high torque transmission device, with following beneficial effects:

[0018] 1, the position of first adjusting seat, second adjusting seat and multiple transmission gears before and after is adjusted by first adjusting assembly, the position of second adjusting seat and multiple transmission gears left and right is adjusted by second adjusting assembly, according to use demand, the transmission gear of corresponding size is engaged with two third gears, the torque and rotational speed of two third gears are adjusted by changing the size of transmission gear engaged with two third gears, to facilitate corresponding adjustment of the torque rotational speed of screw rod according to use demand, improve its practicality of use.

[0019] 2, by first electric cylinder, friction block is pushed to move downwards, so that the bottom of friction block is tightly contacted with the top of base, it is convenient to fix first adjusting seat, improve the stability of first adjusting seat and base connection, avoid first adjusting seat movement in the process that transmission gear drives third gear rotation.

[0020] 3, by two second electric cylinders, friction plate is pushed to move downwards, so that the bottom of friction plate is tightly contacted with the top of first adjusting seat, it is convenient to fix second adjusting seat, improve the stability of second adjusting seat and first adjusting seat connection, avoid second adjusting seat movement in the process that transmission gear drives third gear rotation. SHEET

[0021] Figure 1 It is a front structure schematic view of a high-torque transmission device in the utility model;

[0022] Figure 2 It is a structure schematic view of the structure cooperation of the extruder body, the circular ring, the two first gears, the two second gears and the gear ring in the utility model;

[0023] Figure 3 It is a structure schematic view of the structure cooperation of the support plate, the two transmission shafts, the two second gears and the two third gears in the utility model;

[0024] Figure 4 It is a structure schematic view of the structure cooperation of the first adjusting assembly, the second adjusting assembly, the first adjusting seat, the second adjusting seat, the first motor and the multiple transmission gears in the utility model;

[0025] Figure 5 It is a structure schematic view of the structure cooperation of the first sliding seat, the first adjusting seat, the third motor and the friction block in the utility model.

[0026] In the figure: 1, base; 2, extruder body; 3, first gear; 4, circular ring; 5, gear ring; 6, support plate; 7, transmission shaft; 8, second gear; 9, third gear; 10, first adjusting seat; 11, second adjusting seat; 12, first motor; 13, rotating shaft; 14, transmission gear; 15, first sliding seat; 16, first sliding groove; 17, first screw; 18, second motor; 19, groove; 20, friction block; 21, first electric cylinder; 22, baffle; 23, second sliding seat; 24, second sliding groove; 25, second screw; 26, third motor; 27, fixed plate; 28, second electric cylinder; 29, friction plate; 30, limiting block; 31, protective cover. DETAILED DESCRIPTION

[0027] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The utility model will be described in detail below with reference to the drawings and in combination with embodiments.

[0028] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0029] In the utility model, in the case where no opposite statement is made, the orientation such as "upper, lower" is usually for the direction shown in the drawing, or for the vertical, perpendicular or gravity direction; similarly, for the convenience of understanding and description, "left, right" is usually for the left, right shown in the drawing; "inner, outer" refers to the inner, outer relative to the contour of each component itself, but the above orientation words are not used to limit the utility model.

[0030] Please refer to Figures 1-5 A high torque transmission device, including base 1, the top of base 1 is fixedly connected with extruder body 2, two screw rods on extruder body 2 extend to the end fixedly connected with first gear 3 outside, the side end of extruder body 2 is fixedly connected with circular ring 4, the inside of circular ring 4 is rotatably connected with gear ring 5, gear ring 5 is engaged with two first gears 3, base 1 is fixedly connected with support plate 6, two transmission shafts 7 are rotatably connected on support plate 6, one end of the two transmission shafts 7 extending to the inside of gear ring 5 is fixedly connected with second gear 8, two second gears 8 are engaged with gear ring 5, support plate 6 and the outside of extruder body 2 are provided with protective cover 31, which protects gear ring 5, two first gears 3 and two second gears 8, the other end of two transmission shafts 7 is fixedly connected with third gear 9, the top of base 1 is connected with front and rear sliding first adjusting seat 10 through first adjusting assembly, the top of first adjusting seat 10 is connected with left and right sliding second adjusting seat 11 through second adjusting assembly, first motor 12 is fixedly connected on second adjusting seat 11, the output end of first motor 12 is fixedly connected with rotating shaft 13, the outside of rotating shaft 13 is fixedly connected with a plurality of transmission gears 14 matched with two third gears 9, the size of a plurality of transmission gears 14 increases from left to right in turn.

[0031] Specifically, the positions of first adjusting seat 10, second adjusting seat 11 and a plurality of transmission gears 14 are adjusted through first adjusting assembly, the positions of second adjusting seat 11 and a plurality of transmission gears 14 are adjusted through second adjusting assembly, the transmission gear 14 with the corresponding size is engaged with two third gears 9 according to the use requirement, the torque and rotating speed of two third gears 9 are adjusted by changing the size of transmission gear 14 engaged with two third gears 9, so that the torque and rotating speed of screw rod can be adjusted according to the use requirement, and the practicability of use is improved.

[0032] Please refer to Figure 1 And Figure 4The first adjusting assembly comprises a first sliding base 15, the top end of the base 1 is provided with a first sliding groove 16, the first sliding base 15 is in sliding fit with the first sliding groove 16, the inside of the first sliding base 15 is threadedly connected with a first screw rod 17, the first screw rod 17 is rotationally connected with the base 1, the top end of the first sliding base 15 is fixedly connected with the bottom end of the first adjusting seat 10, the side end of the base 1 is provided with a second motor 18, the output end of the second motor 18 is fixedly connected with the side end of the first screw rod 17, the bottom end of the first adjusting seat 10 is provided with a groove 19, the inside of the groove 19 is slidably provided with a friction block 20, the first adjusting seat 10 is provided with a first electric cylinder 21, the bottom end of the first electric cylinder 21 is fixedly connected with the top end of the friction block 20, the side end of the base 1 is provided with a baffle 22 at a position corresponding to the first sliding groove 16, the baffle 22 is rotationally connected with the first screw rod 17, so as to block the first sliding groove 16, thereby preventing the first sliding base 15 from sliding out of the inside of the first sliding groove 16, the first adjusting seat 10 is fixedly connected with a limiting block 30, so as to limit the second adjusting seat 11, thereby preventing the second limiting seat from colliding with the first electric cylinder 21.

[0033] Specifically, the first screw rod 17 is driven to rotate by the second motor 18, the rotation of the first screw rod 17 drives the first sliding base 15 to slide in the first sliding groove 16, the first sliding base 15 drives the first adjusting seat 10, the second adjusting assembly, the second adjusting seat 11 and the plurality of transmission gears 14 to move forward and backward, so as to adjust the forward and backward positions of the plurality of transmission gears 14, after the adjustment is completed, the friction block 20 is driven downward by the first electric cylinder 21, so that the bottom end of the friction block 20 is tightly abutted against the top end of the base 1, thereby facilitating the fixation of the first adjusting seat 10 and improving the stability of the connection between the first adjusting seat 10 and the base 1, in the process that the transmission gears 14 drive the third gear 9 to rotate, the first adjusting seat 10 is prevented from moving.

[0034] Please refer to Figure 1 , Figure 2 , Figure 4 and Figure 5 , the second adjusting assembly comprises a second sliding base 23, the top end of the first adjusting seat 10 is provided with a second sliding groove 24, the second sliding base 23 is in sliding fit with the second sliding groove 24, the top end of the second sliding base 23 is fixedly connected with the bottom end of the second adjusting seat 11, the inside of the second sliding base 23 is threadedly connected with a second screw rod 25, the second screw rod 25 is rotationally connected with the first adjusting seat 10, the side end of the first adjusting seat 10 is provided with a third motor 26, the output end of the third motor 26 is fixedly connected with the side end of the second screw rod 25, so as to facilitate the adjustment of the second adjusting seat 11 in the left and right directions, the side end of the second adjusting seat 11 is fixedly connected with a fixed plate 27, two second electric cylinders 28 are fixedly installed on the fixed plate 27, the bottom ends of the two second electric cylinders 28 are fixedly connected with a friction plate 29, so as to facilitate the fixation of the second adjusting seat 11.

[0035] Specifically, the second screw 25 is driven to rotate by the third motor 26, the second screw 25 rotates to drive the second sliding seat 23 to slide left and right in the second sliding groove 24, the second sliding seat 23 drives the plurality of transmission gears 14 to slide left and right, the left and right positions of the plurality of transmission gears 14 are adjusted, after the adjustment is completed, the friction plate 29 is driven to move downward by the two second electric cylinders 28, the bottom end of the friction plate 29 is tightly abutted with the top end of the first adjusting seat 10, the second adjusting seat 11 is fixed, the stability of the connection between the second adjusting seat 11 and the first adjusting seat 10 is improved, and the second adjusting seat 11 is prevented from moving in the process that the third gear 9 is driven to rotate by the transmission gear 14.

[0036] In summary, the overall device has the following advantages when in use:

[0037] The first screw 17 is driven to rotate by the second motor 18, the first screw 17 rotates to drive the first sliding seat 15 to slide in the first sliding groove 16, the first sliding seat 15 drives the first adjusting seat 10, the second adjusting assembly, the second adjusting seat 11 and the plurality of transmission gears 14 to move forward and backward, the forward and backward positions of the plurality of transmission gears 14 are adjusted, the second screw 25 is driven to rotate by the third motor 26, the second screw 25 rotates to drive the second sliding seat 23 to slide left and right in the second sliding groove 24, the second sliding seat 23 drives the plurality of transmission gears 14 to slide left and right, the left and right positions of the plurality of transmission gears 14 are adjusted, the transmission gear 14 of the corresponding gear is adjusted to the position of meshing with the third gear 9, then the friction block 20 is driven to move downward by the first electric cylinder 21, the bottom end of the friction block 20 is tightly abutted with the top end of the first adjusting seat 10, the first adjusting seat 10 is fixed, the friction plate 29 is driven to move downward by the two second electric cylinders 28, the bottom end of the friction plate 29 is tightly abutted with the top end of the first adjusting seat 10, the second adjusting seat 11 is fixed, then the rotating shaft 13 and the plurality of transmission gears 14 are driven to rotate by the first motor 12, the transmission gear 14 meshing with the two third gears 9 drives the two third gears 9, the two transmission shafts 7 and the two second gears 8 rotate, the two second gears 8 drive the gear ring 5 to rotate, the gear ring 5 drives the two first gears 3 and the two screws on the extruder body 2 to rotate, so that the extruder works.

[0038] In all the schemes mentioned above, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut cooperation connection, bolt or screw connection or other known connection mode, which will not be described here. In the above, when the fixed connection is involved, welding is preferred. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high-torque transmission device, comprising a base (1), an extruder body (2) fixedly connected to the top of the base (1), wherein two screws on the extruder body (2) are each fixedly connected to a first gear (3) at their outer ends, characterized in that: A ring (4) is fixedly connected to the side end of the extruder body (2). A toothed ring (5) is rotatably connected inside the ring (4). The toothed ring (5) meshes with two first gears (3). A support plate (6) is fixedly connected to the base (1). Two drive shafts (7) are rotatably connected to the support plate (6). A second gear (8) is fixedly connected to one end of each drive shaft (7) extending into the toothed ring (5). Both second gears (8) mesh with the toothed ring (5). A third gear (9) is fixedly connected to the other end of each drive shaft (7). The top of the base (1) is connected to a first adjusting seat (10) that slides back and forth via a first adjusting component. The top of the first adjusting seat (10) is connected to a second adjusting seat (11) that slides left and right via a second adjusting component. A first motor (12) is fixedly connected to the second adjusting seat (11). A rotating shaft (13) is fixedly connected to the output end of the first motor (12). Multiple transmission gears (14) that are adapted to the two third gears (9) are fixedly connected to the outside of the rotating shaft (13). The size of the multiple transmission gears (14) increases sequentially from left to right.

2. The high-torque transmission device according to claim 1, characterized in that: The first adjustment component includes a first slide block (15), and a first slide groove (16) is provided at the top of the base (1). The first slide block (15) and the first slide groove (16) are slidably engaged. A first screw (17) is threadedly connected to the inside of the first slide block (15). The first screw (17) is rotatably connected to the base (1). The top of the first slide block (15) is fixedly connected to the bottom of the first adjustment seat (10). A second motor (18) is installed on the side of the base (1). The output end of the second motor (18) is fixedly connected to the side of the first screw (17).

3. A high-torque transmission device according to claim 2, characterized in that: The bottom end of the first adjusting seat (10) is provided with a groove (19), and a friction block (20) is slidably arranged inside the groove (19). A first electric cylinder (21) is installed on the first adjusting seat (10), and the bottom end of the first electric cylinder (21) is fixedly connected to the top end of the friction block (20).

4. A high-torque transmission device according to claim 2, characterized in that: A baffle (22) is installed on the side end of the base (1) at the position corresponding to the first slide groove (16), and the baffle (22) is rotatably connected to the first screw (17).

5. A high-torque transmission device according to claim 1, characterized in that: The second adjustment component includes a second slide (23), the top of the first adjustment seat (10) is provided with a second slide groove (24), the second slide (23) and the second slide groove (24) are slidably engaged, the top of the second slide (23) is fixedly connected to the bottom of the second adjustment seat (11), the second slide (23) is internally threaded with a second screw (25), the second screw (25) is rotatably connected to the first adjustment seat (10), and a third motor (26) is installed on the side of the first adjustment seat (10), the output end of the third motor (26) is fixedly connected to the side of the second screw (25).

6. A high-torque transmission device according to claim 5, characterized in that: The second adjusting seat (11) is fixedly connected to a fixing plate (27) on its side end. Two second electric cylinders (28) are fixedly installed on the fixing plate (27), and friction plates (29) are fixedly connected to the bottom ends of the two second electric cylinders (28).

7. A high-torque transmission device according to claim 1, characterized in that: A limit block (30) is fixedly connected to the first adjusting seat (10).

8. A high-torque transmission device according to claim 1, characterized in that: The support plate (6) and the extruder body (2) are equipped with protective covers (31).

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