Joint tooth-shaped V-belt cutting device for agricultural machinery

Abstract

The utility model discloses a combined tooth-shaped V-belt cutting device for agricultural machinery. Comprising a rack, a driving wheel mechanism, a driven wheel mechanism and a cutter mechanism, the driving wheel mechanism is movably arranged on the machine frame, the driven wheel mechanism and the driving wheel mechanism are oppositely arranged, the driving wheel mechanism and the driven wheel mechanism are connected through a belt body to be machined, and the cutter mechanism is arranged on the machine frame in a lifting mode. The cutter mechanism comprises a cutter, a cutter rest, a cutter angle adjusting mechanism and a lifting mechanism, the lifting mechanism is arranged on the rack, the cutter angle adjusting mechanism is arranged on the lifting mechanism, the cutter rest is arranged on the cutter angle adjusting mechanism, the cutter is arranged on the cutter rest, and the cutter is located above the belt body to be machined at the driven wheel mechanism. According to the utility model, the rectangular groove is cut on the surface of the belt body through the cutter, and then the cutter precuts the groove shape of the V-shaped belt, so that the grinding amount of the grinding step is greatly reduced, the machining efficiency of the joined tooth-shaped V-shaped belt is improved, and the aging phenomenon caused by over-high temperature is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to agricultural machinery transmission technical field, especially relates to a kind of agricultural machinery with group tooth profile V belt cutting device. BACKGROUND

[0002] Compared with single group belt, group tooth profile V belt has the advantages of small shaking and beating, large transmission power and no belt flipping, and therefore, group tooth profile V belt is increasingly applied to agricultural machinery power transmission components, replacing original single group belt.

[0003] In the production process of group tooth profile V belt, the large grinding amount of grinding process leads to slow processing speed, long time and low product output rate of group tooth profile V belt, and further leads to high production energy consumption. Long-time grinding also leads to aging phenomenon of belt body surface due to high temperature, which limits the popularization and application of group tooth profile V belt. Therefore, how to reduce the grinding time of group tooth profile V belt and improve the processing efficiency is a problem to be solved.

[0004] The information disclosed in this BACKGROUND section is only for the purpose of increasing the understanding of the background of the utility model and should not be regarded as an acknowledgment or any form of suggestion that it forms prior art that is publicly known. UTILITY MODEL CONTENT

[0005] The utility model aims to provide a kind of agricultural machinery with group tooth profile V belt cutting device, to overcome the defects in the prior art described above.

[0006] To achieve the above-mentioned purpose, the utility model provides a kind of agricultural machinery with group tooth profile V belt cutting device, including rack, driving wheel mechanism, driven wheel mechanism, cutting knife mechanism;The driving wheel mechanism is movably arranged on the rack, the driven wheel mechanism is oppositely arranged with the driving wheel mechanism, and the driving wheel mechanism and the driven wheel mechanism are connected by the belt body to be processed, the cutting knife mechanism is liftably arranged on the rack;The cutting knife mechanism includes cutting knife, tool rest, cutting knife angle adjusting mechanism, lifting mechanism, the lifting mechanism is arranged on the rack, the cutting knife angle adjusting mechanism is arranged on the lifting mechanism, the tool rest is arranged on the cutting knife angle adjusting mechanism, the cutting knife is arranged on the tool rest, and the cutting knife is above the belt body to be processed at the driven wheel mechanism;The cutting knife is used for cutting rectangular groove to the belt body to be processed, and the cutting knife angle adjusting mechanism is used for adjusting the inclination of the cutting knife to pre-cut V belt groove to the belt body to be processed.

[0007] Preferably, in the technical scheme, the lifting mechanism includes bottom plate, lifting motor, ball screw, the bottom plate is arranged on the rack, the lifting motor and the ball screw are arranged on the bottom plate, the lifting motor is connected with the ball screw through transmission belt mechanism, and the cutting knife angle adjusting mechanism is arranged on the ball screw.

[0008] Preferably, in the technical scheme, the cutter angle adjusting mechanism comprises a lifting plate, an arc-shaped slide, a cutter holder rotating winch, a cutter holder fixing bolt, the lifting plate is arranged on a ball screw, the arc-shaped slide and the cutter holder rotating winch are arranged on the lifting plate, the cutter holder is arranged in the arc-shaped slide, the cutter holder rotating winch is connected with the cutter holder, and the cutter holder fixing bolt is arranged on the cutter holder; the cutter holder is driven to rotate along the arc-shaped slide through the cutter holder rotating winch, and the cutter holder is fixed on the lifting plate through the cutter holder fixing bolt.

[0009] Preferably, in the technical scheme, an angle adjusting scale is arranged on the lifting plate, and an angle adjusting pointer is arranged on the cutter holder; the initial position of the angle adjusting pointer is aligned with the center 0-degree angle of the angle adjusting scale; the cutter inclination angle is more accurately adjusted through cooperation of the angle adjusting pointer and the angle adjusting scale.

[0010] Preferably, in the technical scheme, the driving wheel mechanism comprises a rotating motor, a driving wheel, a driving wheel seat, and a screw rod transmission mechanism, the screw rod transmission mechanism is arranged on the rack, the driving wheel seat is arranged on the screw rod transmission mechanism, the rotating motor and the driving wheel are arranged on the driving wheel seat, and the rotating motor is in transmission connection with the driving wheel; the distance between the driving wheel and the driven wheel mechanism is adjusted through the screw rod transmission mechanism, the driving wheel is driven to rotate through the rotating motor, and then the to-be-processed belt body is driven to rotate.

[0011] Preferably, in the technical scheme, the driven wheel mechanism comprises a base, a moving guide rail, a driven wheel seat, a driven wheel, and a tensioning mechanism, the base and the tensioning mechanism are arranged on the rack, the moving guide rail is arranged on the base, the driven wheel seat is arranged on the moving guide rail, the driven wheel is arranged on the driven wheel seat, the tensioning mechanism is connected with the driven wheel seat, the driven wheel is arranged opposite to the driving wheel, and the to-be-processed belt body is connected between the driven wheel and the driving wheel; the driven wheel seat is driven to move on the moving guide rail through the tensioning mechanism, so that the to-be-processed belt body is tensioned.

[0012] Preferably, in the technical scheme, the tensioning mechanism comprises a gas cylinder, a counterweight, and a fixed pulley, the fixed pulley is arranged on the rack, the gas cylinder and the counterweight are arranged on the two sides of the fixed pulley respectively, and the gas cylinder is connected with the driven wheel seat; when the gas cylinder inhales, the counterweight is lifted, and the to-be-processed belt body is loosened; when the gas cylinder releases, the counterweight is lowered to drive the driven wheel seat to move on the moving guide rail, and the to-be-processed belt body is tensioned.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] A rectangular groove is cut into the belt surface using a cutting tool, followed by V-belt groove pre-cutting. This removes 23%-35% of the cross-sectional area, leaving 1%-3% to be ground into a complete groove by subsequent grinding. This significantly reduces the amount of grinding required in each step. This patented V-belt groove processing yield is 2 min / m, compared to 5 min / m for the original process, greatly improving the processing efficiency of connected toothed V-belts. Because of the reduced grinding steps, the belt surface temperature is significantly lower than in the original process, preventing aging caused by excessively high surface temperatures. Attached image description:

[0015] Figure 1 This is a front view of the combined toothed V-belt cutting device for agricultural machinery according to this utility model;

[0016] Figure 2 This is a left view of the combined toothed V-belt cutting device for agricultural machinery according to this utility model;

[0017] Figure 3 for Figure 2 Enlarged view of part A;

[0018] Figure 4 This is a schematic diagram of the cutting process of the combined toothed V-belt for agricultural machinery according to this utility model. Detailed implementation method:

[0019] The specific embodiments of this utility model are described in detail below, but it should be understood that the scope of protection of this utility model is not limited to the specific embodiments.

[0020] Unless otherwise expressly stated, throughout the specification and claims, the term "comprising" or its variations such as "including" or "comprises" shall be understood to include the stated elements or components without excluding other elements or other components.

[0021] like Figures 1-3 As shown, an agricultural machinery combined toothed V-belt cutting device includes a frame 1, a driving wheel mechanism 2, a driven wheel mechanism 3, and a cutting mechanism 4; the driving wheel mechanism 2 is movably mounted on the frame 1, the driven wheel mechanism 3 is disposed opposite to the driving wheel mechanism 2, the driving wheel mechanism 2 and the driven wheel mechanism 3 are connected by the belt to be processed, and the cutting mechanism 4 is vertically mounted on the frame 1;

[0022] The cutter mechanism 4 comprises a cutter 40, a cutter holder 41, a cutter angle adjusting mechanism, and a lifting mechanism, the cutter 40 being arranged on the cutter holder 41; the lifting mechanism comprises a bottom plate 42, a lifting motor 43, and a ball screw 44, the bottom plate 42 being arranged on the rack 1, the bottom plate 42 being provided with the lifting motor 43 and the ball screw 44, the lifting motor 43 being connected with the ball screw 44 through a transmission belt mechanism, and the cutter angle adjusting mechanism being arranged on the ball screw 44; the cutter angle adjusting mechanism comprises a lifting plate 45, an arc-shaped slide 46, a cutter holder rotating winch 47, and a cutter holder fixing bolt 48, the lifting plate 45 being arranged on the ball screw 44, the lifting plate 45 being provided with the arc-shaped slide 46 and the cutter holder rotating winch 47, the cutter holder 41 being arranged in the arc-shaped slide 46, the cutter holder rotating winch 47 being connected with the cutter holder 41, and the cutter holder 41 being provided with the cutter holder fixing bolt 48; the cutter holder 41 is driven to rotate along the arc-shaped slide 46 through the cutter holder rotating winch 47, the cutter holder 41 is fixed on the lifting plate 42 through the cutter holder fixing bolt 48, and the cutter 40 is located above the to-be-processed belt body at the driven wheel mechanism 3; the lifting plate 45 is provided with an angle adjusting scale 50, and the cutter holder 41 is provided with an angle adjusting pointer 51; the initial position of the angle adjusting pointer 51 is aligned with the center 0-degree angle of the angle adjusting scale 50; the cutter 40 is more accurately adjusted in inclination through cooperation of the angle adjusting pointer 51 and the angle adjusting scale 50; the to-be-processed belt body is cut in a rectangular groove through the cutter 40, and the to-be-processed belt body is pre-cut in a V-belt groove through adjustment of the cutter 40 in inclination by the cutter angle adjusting mechanism.

[0023] The driving wheel mechanism 2 comprises a rotating motor 20, a driving wheel 21, a driving wheel seat 22, and a lead screw transmission mechanism 23, the lead screw transmission mechanism 23 being arranged on the rack 1, the driving wheel seat 22 being arranged on the lead screw transmission mechanism 23, the driving wheel seat 22 being provided with the rotating motor 20 and the driving wheel 21, and the rotating motor 20 being in transmission connection with the driving wheel 21; the distance between the driving wheel 21 and the driven wheel mechanism 3 is adjusted through the lead screw transmission mechanism 23, the driving wheel 21 is driven to rotate through the rotating motor 20, and the to-be-processed belt body is further driven to rotate.

[0024] The driven wheel mechanism 3 includes a base 30, a moving guide rail 31, a driven wheel seat 32, a driven wheel 33, and a tensioning mechanism. The base 30 is mounted on the frame 1. The moving guide rail 31 is mounted on the base 30. The driven wheel seat 32 is mounted on the moving guide rail 31. The driven wheel 33 is mounted on the driven wheel seat 32. The driven wheel 33 is positioned opposite to the driving wheel 21. The driven wheel 33 and the driving wheel 21 are connected by the belt to be processed. The tensioning mechanism includes a cylinder 34, a counterweight 35, and a fixed pulley 36. The fixed pulley 36 is mounted on the frame 1. The cylinder 34 and the counterweight 35 are respectively mounted on both sides of the fixed pulley 36. The cylinder 34 is connected to the driven wheel seat 32. When the cylinder 34 draws in air, it lifts the counterweight 35 and releases the belt to be processed. When the cylinder 34 releases air, the counterweight 35 descends, causing the driven wheel seat 32 to move on the moving guide rail 31, thus tensioning the belt to be processed.

[0025] like Figure 4 As shown, the belt to be processed is installed between the driving wheel 21 and the driven wheel 33. The cutter 40 descends to the processing position, perpendicular to the surface of the belt. The belt rotates, and the cutter 40 cuts a rectangular groove on its surface. After the rectangular groove is processed, the cutter 40 rotates forward at a suitable angle to pre-shape one side of the V-belt groove. Then, the cutter 40 rotates in the opposite direction at a suitable angle to pre-shape the other side of the V-belt groove. After processing, the belt is placed on a grinding machine, and the V-belt groove is ground by a grinding wheel. By cutting the rectangular groove and pre-cutting the V-belt groove on the belt surface by the cutter 40, 23%-35% of the cross-sectional area is removed. The remaining 1%-3% of the cross-sectional area is ground by a grinding wheel provided by the subsequent grinding equipment to form a complete groove, greatly reducing the amount of grinding in the grinding steps. This patented V-belt groove machining yield is 2 min / m, while the original process yielded 5 min / m, significantly improving the machining efficiency of connected toothed V-belts. Due to the reduced grinding steps, the belt surface temperature is significantly lower than in the original process, avoiding aging caused by excessively high surface temperatures.

[0026] The foregoing description of specific exemplary embodiments of the present invention is for illustrative and explanatory purposes. These descriptions are not intended to limit the present invention to the precise forms disclosed, and it will be apparent that many changes and variations can be made in accordance with the foregoing teachings. The exemplary embodiments were chosen and described in order to explain the specific principles of the present invention and its practical application, thereby enabling those skilled in the art to implement and utilize various different exemplary embodiments of the present invention, as well as various different choices and variations. The scope of the present invention is intended to be defined by the claims and their equivalents.

Claims

1. A modular toothed v-belt cutting device for agricultural machinery, characterized by: The utility model relates to a cutting device for cutting belt, including frame, driving wheel mechanism, driven wheel mechanism, cutting knife mechanism, the driving wheel mechanism is movably arranged on the frame, the driven wheel mechanism is opposite with driving wheel mechanism setting, and the driving wheel mechanism is connected with the driven wheel mechanism through the belt body to be processed, the cutting knife mechanism is liftably arranged on the frame, the cutting knife mechanism includes cutting knife, tool rest, cutting knife angle adjusting mechanism, lifting mechanism, lifting mechanism sets up on the frame, and the lifting mechanism is provided with cutting knife angle adjusting mechanism, and the tool rest sets up cutting knife angle adjusting mechanism, and the cutting knife sets up the tool rest, and the cutting knife is located above the belt body to be processed at the driven wheel mechanism.

2. The modular cogged V belt cutting device for agricultural machinery as claimed in claim 1 wherein: The lifting mechanism includes bottom plate, lifting motor, ball screw, the bottom plate sets up on the frame, and the bottom plate is provided with lifting motor, ball screw, and the lifting motor is connected with ball screw through transmission belt mechanism, and cutting knife angle adjusting mechanism sets up on the ball screw.

3. The modular cogged V belt cutting device for agricultural machinery as claimed in claim 2 wherein: The cutting knife angle adjusting mechanism includes lifting plate, arc slide, tool rest rotary winch, tool rest fixed peg, the lifting plate sets up on the ball screw, and the lifting plate is provided with arc slide, tool rest rotary winch, and the tool rest sets up in arc slide, and the tool rest rotary winch is connected with the tool rest, and the tool rest is provided with tool rest fixed peg.

4. The modular cogged V belt cutting device for agricultural machinery as claimed in claim 3 wherein: The lifting plate is provided with angle adjustment scale ruler, and the tool rest is provided with angle adjustment pointer, and the angle adjustment pointer initial position is aligned with 0 degree angle of angle adjustment scale ruler center.

5. The modular cogged V belt cutting device for agricultural machinery as claimed in claim 1 wherein: The driving wheel mechanism includes rotation motor, driving wheel, driving wheel seat, screw transmission mechanism, screw transmission mechanism sets up on the frame, and driving wheel seat sets up on screw transmission mechanism, and driving wheel seat is provided with rotation motor, driving wheel, and rotation motor is connected with driving wheel transmission.

6. The modular cogged V belt cutting apparatus for agricultural machinery as claimed in claim 5 wherein: The driven wheel mechanism includes base, moving guide rail, driven wheel seat, driven wheel, tensioning mechanism, base, tensioning mechanism sets up on the frame, and base is provided with moving guide rail, and moving guide rail is provided with driven wheel seat, and driven wheel seat is provided with driven wheel, and tensioning mechanism is connected with driven wheel seat, and driven wheel is opposite with driving wheel, and driven wheel is connected with driving wheel through the belt body to be processed.

7. The modular cogged V belt cutting apparatus for agricultural machinery as claimed in claim 6 wherein: The tensioning mechanism includes air cylinder, counterweight, fixed pulley, fixed pulley sets up on the frame, and fixed pulley both sides are provided with air cylinder, counterweight respectively, and air cylinder is connected with driven wheel seat.

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