Double-shifting-fork structure for bundling machine

Abstract

The utility model belongs to the technical field of agricultural mechanical equipment, and discloses a double-shifting-fork structure for a bundling machine, which comprises a shifting fork shaft, two parallel crank connecting plates arranged at intervals are fixedly mounted at one end of the shifting fork shaft, and two shifting fork plate groups are symmetrically arranged on the outer surface of the shifting fork shaft at intervals. A plurality of parallel double shifting forks which are arranged at intervals are fixedly mounted on each shifting fork plate group; the double shifting fork comprises a first tooth and a second tooth, one end of the first tooth is fixedly connected with one end of the second tooth, the first tooth and the second tooth are arranged at an acute angle, a third tooth is fixedly installed at the other end of the first tooth, and the third tooth and the first tooth are arranged at an acute angle. The feeding mechanism is simple in overall structure, plant products to be picked up and bundled can be fully picked up and fed in the feeding mechanism of the bundling machine, primary feeding is carried out on the basis of secondary feeding, it is guaranteed that the plant products are picked up and utilized, and the using effect is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of agricultural machinery and equipment, and specifically relates to a double-shift fork structure for a baler. Background Art

[0002] As an agricultural machine, the baler is widely used in picking up and baling straw and forage such as rice straw, wheat straw, cotton stalks, corn stalks, rape stalks, peanut vines, bean stalks, etc. It mainly consists of four parts: a picker, a screw conveyor, a drum-type shredder and feeder, and a baling chamber. During the operation, the picker picks up the straw on the ground and feeds it into the screw conveyor, which is then shredded and fed through the drum-type shredder and feeder, and finally compressed and baled in the baling chamber.

[0003] With the development of modern agricultural mechanization, balers, as an important agricultural machinery, play a vital role in the collection and baling of crop straw, forage and other materials. Traditional balers face problems such as straw accumulation, blockage and low feeding efficiency during operation, which seriously restrict the operating efficiency and quality of the baler. Therefore, improving the structure of the baler, especially optimizing its feeding mechanism, has become the key to improving the performance of the baler.

[0004] In the existing baler structure, the feeding mechanism usually adopts a single fork design, which is prone to straw accumulation and blockage during the feeding process. Especially when the amount of straw is large or increases suddenly, the straw is easy to form a ball at the bottom of the baler, which in turn affects the feeding efficiency and operation quality of the machine. Therefore, improving the feeding mechanism and improving its feeding efficiency and anti-blocking ability has become an important direction for the development of baler technology.

[0005] A Chinese patent with application number 2017203115824 discloses a single-rocker double-feeding grass-pulling structure for a baler. It includes a crank shaft, a single rocker and a feeding fork seat. One end of the single rocker is fixed to the feeding fork seat. The feeding fork seat rotates axially around the crank shaft. The connecting plate welded thereon is fixed to the double-feeding grass-pulling fork. The double-feeding grass-pulling fork includes front teeth and rear teeth. One end of the crank shaft is fixedly connected to the right crank, and the other end is positioned with the left crank through a keyway. The utility model not only improves the working efficiency, service life and safety of the baler, but also reduces the maintenance cost. The utility model adopts a double-feeding grass-pulling fork, front pulling and rear picking, and a grass-pulling structure with two working processes, which improves the working efficiency and service life of the baler.

[0006] Although the utility model realizes secondary feeding in the same feeding cycle by using double feeding pitchforks, during use, picking up and dropping still occurs when feeding, resulting in waste of resources. Utility Model Content

[0007] The main technical problem to be solved by the utility model is to provide a double-fork structure for a baler which has a simple overall structure and can fully pick up and feed the plant products to be picked up and baled in the feeding mechanism of the baler, and perform another feeding on the basis of the secondary feeding, thereby ensuring that the plant products are picked up and utilized, improving the resource utilization rate of the plant products, and increasing the feeding rate.

[0008] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0009] A double shift fork structure for a baler comprises a shift fork shaft, one end of which is fixedly mounted with two crank connecting plates which are arranged in parallel and at intervals, and an outer surface of the shift fork shaft is symmetrically and at intervals mounted with two groups of shift fork plate groups, each group of shift fork plate groups being fixedly mounted with a plurality of double shift forks which are arranged in parallel and at intervals; the double shift fork comprises a first tooth and a second tooth, the first tooth being fixedly connected to one end of the second tooth, the first tooth and the second tooth being arranged at an acute angle, a third tooth being fixedly mounted at the other end of the first tooth, the third tooth being arranged at an acute angle to the first tooth.

[0010] The following is a further optimization of the above technical solution by the utility model:

[0011] The shift fork plate assembly comprises a plurality of shift fork plates which are sleeved on the shift fork shaft and arranged in parallel and at intervals, and connection holes are provided at both ends of the shift fork plates.

[0012] Further optimization: the double shift fork also includes a bolt seat fixedly mounted on the shift fork plate, a mounting hole is opened at a position on the bolt seat corresponding to the connecting hole, and a slot is opened at a position on the bolt seat corresponding to the shift fork shaft, and the size of the slot matches the outer diameter of the shift fork shaft.

[0013] Further optimization: one end of the first tooth is fixedly connected to the bolt seat, and one end of the second tooth is fixedly connected to the bolt seat.

[0014] Further optimization: an end face of the first tooth close to the second tooth is set as a first tooth face, an end face of the second tooth close to the first tooth is set as a second tooth face, the first tooth face and the second tooth face are jointly set as a first picking working face, and the angle between the first tooth face and the second tooth face is an acute angle.

[0015] Further optimization: an end face of the third tooth close to the first tooth is set as a third tooth face, the angle between the third tooth face and the first tooth is set as an acute angle, and the third tooth face and the first tooth are jointly set as a second picking working face.

[0016] The utility model adopts the above technical scheme, which is ingenious in conception and reasonable in structure. During the operation of the baler, the feeding mechanism can fully pick up and feed the plant products to be picked up and baled, and perform a third feeding on the basis of the second feeding, thereby improving the feeding effect, eliminating grass blockage, and improving work efficiency. It is safe and reliable, easy to operate, and has a simple overall structure, which is convenient to manufacture and produce, can reduce production and use costs, and improve economic benefits.

[0017] When the double fork is working, the first tooth moves backward, and the second tooth moves backward to pry up. The picked up rice straw, wheat straw, cotton stalks and other plant products are wrapped in the acute-angled first picking working surface. In the process of the first tooth moving backward and the second tooth prying up backward, two feedings are realized; when the first picking working surface drives the rice straw, wheat straw, cotton stalks and other plant products to be fed, the second picking working surface formed between the third tooth surface and the first tooth simultaneously completes the picking up of the remaining rice straw, wheat straw, cotton stalks and other plant products, and then completes the third feeding at the same time, thereby improving the feeding efficiency and facilitating use.

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure in the embodiment of the utility model;

[0020] Figure 2 A schematic diagram of another viewing angle of the overall structure in an embodiment of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the double shift fork in the embodiment of the utility model;

[0022] Figure 4 It is a front view of the double shift fork in the embodiment of the utility model.

[0023] In the figure: 1-shift fork shaft; 2-shift fork plate; 21-connecting hole; 3-crank connecting plate; 4-double shift fork; 41-slot; 42-mounting hole; 43-first tooth; 430-first tooth surface; 44-second tooth; 440-second tooth surface; 45-third tooth; 450-third tooth surface; 46-bolt seat. DETAILED DESCRIPTION

[0024] like Figure 1-4As shown: a double fork structure for a baler, comprising a fork shaft 1, one end of which is fixedly mounted with two crank connecting plates 3 arranged in parallel and at intervals, two groups of fork plate groups are symmetrically and at intervals arranged on the outer surface of the fork shaft 1, and each group of fork plate groups is fixedly mounted with a plurality of double forks 4 arranged in parallel and at intervals; the double fork 4 comprises a first tooth 43 and a second tooth 44, the first tooth 43 is fixedly connected to one end of the second tooth 44, the first tooth 43 and the second tooth 44 are arranged at an acute angle, a third tooth 45 is fixedly mounted at the other end of the first tooth 43, and the third tooth 45 is arranged at an acute angle to the first tooth 43.

[0025] The fork shaft 1 is installed at a position corresponding to the picking mechanism of the baler. The installation method thereof is well known in the prior art and will not be described in detail here.

[0026] The two crank connecting plates 3 are fixedly connected to the crank in the picking mechanism through bolts, and the crank can drive the crank connecting plates 3 to rotate, thereby driving the fork shaft 1 to rotate.

[0027] like Figure 2 As shown, the fork plate assembly includes a plurality of fork plates 2 which are mounted on the fork shaft 1 and are arranged in parallel and at intervals.

[0028] The fork plate 2 has connection holes 21 at both ends.

[0029] like Figure 3-4 As shown together, the double shift fork 4 further includes a bolt seat 46 fixedly mounted on the shift fork plate 2 .

[0030] A mounting hole 42 is formed on the bolt seat 46 at a position corresponding to the connecting hole 21 .

[0031] A slot 41 is formed on the bolt seat 46 at a position corresponding to the fork shaft 1 , and a size of the slot 41 matches the outer diameter of the fork shaft 1 .

[0032] With such a design, when installing the double shift fork 4, the slot 41 of the bolt seat 46 is clamped at the corresponding position on the outer surface of the fork shaft 1, the connecting hole 21 is aligned with the corresponding mounting hole 42, and the connecting hole 21 and the corresponding mounting hole 42 are fixed together by bolts to complete the installation of the double shift fork 4.

[0033] One end of the first tooth 43 is fixedly connected to the bolt seat 46 , and one end of the second tooth 44 is fixedly connected to the bolt seat 46 .

[0034] One end surface of the first tooth 43 close to the second tooth 44 is configured as a first tooth surface 430 , and one end surface of the second tooth 44 close to the first tooth 43 is configured as a second tooth surface 440 .

[0035] The first tooth surface 430 and the second tooth surface 440 are jointly configured as a first picking working surface.

[0036] The angle between the first tooth surface 430 and the second tooth surface 440 is an acute angle. With such a design, during use, the first tooth 43 is moved backwards, and the second tooth 44 is pried backwards. The picked-up plant products such as straw, wheat straw, cotton stalks, etc. are wrapped in the acute-angled first picking working surface. In the process of the first tooth 43 moving backwards and the second tooth 44 prying backwards, double feeding is achieved.

[0037] An end surface of the third tooth 45 close to the first tooth 43 is set as a third tooth surface 450, the angle between the third tooth surface 450 and the first tooth 43 is set as an acute angle, and the third tooth surface 450 and the first tooth 43 are jointly set in the second picking working surface.

[0038] The movement of the third tooth 45 is consistent with the movement of the first tooth 43 .

[0039] During use, when the first picking working surface drives rice straw, wheat straw, cotton stalks and other plant products to be fed, the second picking working surface simultaneously completes the picking of the remaining rice straw, wheat straw, cotton stalks and other plant products, and then simultaneously completes the third feeding, thereby improving the feeding efficiency.

[0040] For ordinary technicians in this field, according to the teachings of the present invention, without departing from the principles and spirit of the present invention, changes, modifications, substitutions and deformations made to the implementation methods are still within the protection scope of the present invention.

Claims

1. A double fork structure for a baler, comprising a fork shaft (1), characterized in that: Two parallel and spaced crank connecting plates (3) are fixedly mounted on one end of the shift fork shaft (1); two groups of shift fork plate groups are symmetrically and spaced on the outer surface of the shift fork shaft (1); and a plurality of parallel and spaced double shift forks (4) are fixedly mounted on each group of shift fork plate groups; the double shift forks (4) comprise a first tooth (43) and a second tooth (44); one end of the first tooth (43) is fixedly connected to the second tooth (44); the first tooth (43) and the second tooth (44) are arranged at an acute angle; a third tooth (45) is fixedly mounted at the other end of the first tooth (43); the third tooth (45) and the first tooth (43) are arranged at an acute angle.

2. A double fork structure for a baler according to claim 1, characterized in that: The shift fork plate assembly comprises a plurality of shift fork plates (2) which are sleeved on the shift fork shaft (1) and arranged in parallel and at intervals, and connection holes (21) are provided at both ends of the shift fork plates (2).

3. A double fork structure for a baler according to claim 2, characterized in that: The double shift fork (4) further comprises a bolt seat (46) fixedly mounted on the shift fork plate (2), a mounting hole (42) being provided at a position on the bolt seat (46) corresponding to the connection hole (21), and a clamping groove (41) being provided at a position on the bolt seat (46) corresponding to the shift fork shaft (1), wherein the size of the clamping groove (41) matches the outer diameter of the shift fork shaft (1).

4. The double fork structure for a baler according to claim 3, characterized in that: One end of the first tooth (43) is fixedly connected to the bolt seat (46), and one end of the second tooth (44) is fixedly connected to the bolt seat (46).

5. The double fork structure for a baler according to claim 4, characterized in that: An end face of the first tooth (43) close to the second tooth (44) is set as a first tooth face (430), an end face of the second tooth (44) close to the first tooth (43) is set as a second tooth face (440), the first tooth face (430) and the second tooth face (440) are jointly set as a first picking working face, and the angle between the first tooth face (430) and the second tooth face (440) is an acute angle.

6. A double fork structure for a baler according to claim 5, characterized in that: An end surface of the third tooth (45) close to the first tooth (43) is set as a third tooth surface (450), the angle between the third tooth surface (450) and the first tooth (43) is set as an acute angle, and the third tooth surface (450) and the first tooth (43) are jointly set as a second picking working surface.

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