Chinese chestnut opening machine

Abstract

The utility model relates to the technical field of Chinese chestnut processing, in particular to a Chinese chestnut opening machine. Comprising a machine shell, a cylindrical inner cavity is formed in the machine shell, a rotating roller which is coaxial with the inner cavity and driven by a motor is rotationally connected into the inner cavity, a plurality of grooves are formed in the outer circumference of the rotating roller, a feeding hopper and a discharging opening are formed in the top and the lower portion of the machine shell respectively, and a transparent window is formed in the upper portion of the machine shell. A supporting shaft is arranged at the position, above the transparent window, of the machine shell, the middle of the rotating arm is rotationally connected with the supporting shaft, the lower end of the rotating arm penetrates through the transparent window and is rotationally connected with a flywheel knife, the flywheel knife comprises a rotating wheel, an annular blade is arranged in the middle of the outer circumference of the rotating wheel, a beam is arranged at the position, on one side of the supporting shaft, of the machine shell, and a spring is arranged between the beam and the rotating arm. A baffle is arranged at the position, above the supporting shaft, of the machine shell, and an avoiding groove which is coaxial with the rotating roller and penetrates through the groove is formed in the outer circumference of the rotating roller. According to the utility model, when a longer opening is formed in the Chinese chestnut, the maximum depth of cutting into the Chinese chestnut is smaller.

Description

TECHNICAL FIELD

[0001] The utility model relates to chestnut processing technical field especially relates to a kind of chestnut opening machine. BACKGROUND

[0002] Chestnut is a kind of food rich in nutrition and delicious, in order to facilitate consumption, usually cut an opening on the chestnut shell, to facilitate the shell removal of chestnut when eating. The patent with the application number of 201220705453.0 discloses a hand-operated chestnut opening device, a rotating roller is arranged in a closed box body, the outer circle surface of the rotating roller is uniformly distributed with several semicircular grooves arranged transversely, a crank handle is connected and fixed with the center of the rotating roller outside the box body, several blades corresponding to the semicircular grooves are arranged on the side of the box body, an inlet for feeding chestnuts into the semicircular grooves is arranged on the top of the box body, and a discharge outlet is arranged on the lower side, and the several blades arranged on the side of the box body are provided with adjusting fixing bolts. When using, the chestnuts can be fed into the inlet on the top, and the crank handle is rotated by hand, so that the chestnuts are cut by the blades to form an opening, and the chestnuts are discharged from the discharge outlet on the lower side. However, since the side of the chestnut far away from the axis of the rotating roller is not on the same circumference with the axis of the rotating roller when the rotating roller rotates, in order to obtain a longer opening, the maximum depth of the blades cutting into the chestnut is large, which causes serious damage to the chestnut kernel. SUMMARY

[0003] The utility model provides a kind of chestnut opening machine to solve the technical problems existing in the above.

[0004] To solve the above technical problems, the utility model employs the technical scheme of a kind of chestnut opening machine, including shell, the shell has cylindrical inner cavity in it and the inner cavity is rotationally connected with rotating roller coaxial with it and driven by motor, the outer circumference of the rotating roller is provided with multiple grooves, the top and lower part of the shell are provided with feed hopper and discharge outlet respectively, the upper part of the shell is provided with window, the position of the shell above window is provided with support shaft, the middle part of swing arm is rotationally connected with support shaft, the lower end of swing arm passes through window and is rotationally connected with wheel cutter, the wheel cutter includes rotating wheel, the middle part of the outer circumference of the rotating wheel is provided with annular blade, the position of the shell on the side of support shaft is provided with crossbeam, spring is provided between the crossbeam and swing arm, the position of the shell above support shaft is provided with baffle, the outer circumference of the rotating roller is provided with avoidance groove coaxial with it and passing through groove.

[0005] Further optimize the technical scheme, the front and rear sides of the shell are provided with ear plate in the position corresponding to window, and the support shaft is arranged between the two ear plates.

[0006] Further optimization of the technical scheme, both ends of the cross beam are connected with two ear plates respectively, and the cross beam is located on the side of the supporting shaft away from the feeding hopper.

[0007] Further optimization of the technical scheme, both ends of the baffle are connected with two ear plates respectively.

[0008] Further optimization of the technical scheme, the spring is a torsion spring.

[0009] Compared with the prior art, the utility model has the advantages that: the support shaft is arranged outside the casing, the middle part of the rotating arm is rotationally connected with the support shaft, the spring between the rotating arm and the cross beam can push the wheel cutter towards the incoming direction of the Chinese chestnut, one end of the rotating arm extends into the inner cavity of the casing through the window and is rotationally connected with the wheel cutter, and the rotating wheel on the wheel cutter can block the circular blade from cutting into the Chinese chestnut kernel too deeply, so that the maximum depth of the Chinese chestnut kernel is smaller when the opening is relatively long. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is a structural schematic view of a Chinese chestnut opening machine.

[0011] Figure 2 It is a structural schematic view of a Chinese chestnut opening machine. Figure 1 It is an enlarged view of the middle I.

[0012] Figure 3 It is a sectional view of a Chinese chestnut opening machine.

[0013] Figure 4 It is an enlarged view of the middle II. Figure 3

[0014] It is a structural schematic view of a wheel cutter. Figure 5

[0015] In the figure: 1, casing; 11, ear plate; 12, window; 13, baffle; 14, cross beam; 2, feeding hopper; 3, motor; 4, discharge port; 5, supporting shaft; 6, rotating arm; 61, wheel cutter; 611, rotating wheel; 612, circular blade; 7, rotating roller; 71, groove; 72, avoiding groove; 8, spring. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical scheme and advantages of the utility model more clear and explicit, the utility model is further described in detail below in combination with specific implementation manners and with reference to the drawings. In the following description, the description of the known structure and technology is omitted to avoid unnecessary confusion of the concept of the utility model.

[0017] DETAILED DESCRIPTION: in combination with Figures 1-5 ​As shown, a Chinese chestnut opening machine comprises a casing 1, the casing 1 has a cylindrical inner cavity in it and a rotating roller 7 coaxial with the inner cavity and driven by a motor 3 is rotationally connected in the inner cavity, a plurality of grooves 71 (preferably symmetrically distributed about the axis of the rotating roller 7) are arranged on the outer circumference of the rotating roller 7, the diameter of the rotating roller 7 is slightly smaller than the diameter of the inner cavity of the casing 1, and the Chinese chestnut can be completely sunk into the grooves 71, the top and lower part of the casing 1 are respectively provided with a feeding hopper 2 and a discharge port 4, both of which communicate with the inner cavity of the casing 1, the upper part of the casing 1 is provided with a window 12, the window 12 penetrates through the casing 1, the casing 1 is provided with a support shaft 5 above the window 12, the axis of the support shaft 5 is parallel to the axis of the rotating roller 7, the middle part of a rotating arm 6 is rotationally connected with the support shaft 5, the lower end of the rotating arm 6 penetrates through the window 12 and is rotationally connected with a wheel cutter 61, the wheel cutter 61 can enter the groove 71, the axis of the wheel cutter 61 is parallel to the axis of the rotating roller 7, the wheel cutter 61 comprises a rotating wheel 611, the middle part of the outer circumference of the rotating wheel 611 is provided with a circular ring cutter 612, the height (i.e. the difference between the outer radius and the inner radius) of the circular ring cutter 612 is slightly larger than the thickness of the Chinese chestnut shell, the casing 1 is provided with a cross beam 14 at a position away from the feeding hopper 2, a spring 8 is arranged between the cross beam 14 and the rotating arm 6, the spring 8 can push the lower end of the rotating arm 6 and the wheel cutter 61 towards the direction of the incoming Chinese chestnut (i.e. the direction of the Chinese chestnut after entering the groove 71 from the feeding hopper 2), a baffle 13 positioned above the support shaft 5 plays a positioning role, in the natural state, due to the action of the spring 8, one side of the upper end of the rotating arm 6 is in contact with the baffle 13, at this time, the extension line of the rotating arm 6 passes through the axis of the rotating roller 7, the outer circumference of the rotating roller 7 is provided with an avoidance groove 72 coaxial with the rotating roller 7 and penetrating through the groove 71, the wheel cutter 61 can pass through the avoidance groove 72. When working, combined with the description of the Chinese chestnut opening machine in the specification, the Chinese chestnut is added into the feeding hopper 2, the Chinese chestnut will fall into the groove 71 at the top, when the Chinese chestnut in the groove 71 passes by the wheel cutter 61 with the counterclockwise rotation of the rotating roller 7, the circular ring cutter 612 contacts and cuts into the Chinese chestnut shell after the non-highest point (the rotating wheel 611 cannot enter the Chinese chestnut shell), due to the blockage of the rotating wheel 611, the depth of the circular ring cutter 612 cutting into the Chinese chestnut kernel is shallow, when the highest point of the Chinese chestnut and the surrounding area contacts the rotating wheel 611, the rotating arm 6 will be rotated clockwise to make the wheel cutter 61 retreat, so that the Chinese chestnut is not easy to be broken, and then the maximum depth of cutting into the Chinese chestnut is smaller when a longer opening is obtained, finally the Chinese chestnut is discharged from the discharge port 4. Figure 3 As shown, the Chinese chestnut is added into the feeding hopper 2, the Chinese chestnut will fall into the groove 71 at the top, when the Chinese chestnut in the groove 71 passes by the wheel cutter 61 with the counterclockwise rotation of the rotating roller 7, the circular ring cutter 612 contacts and cuts into the Chinese chestnut shell after the non-highest point (the rotating wheel 611 cannot enter the Chinese chestnut shell), due to the blockage of the rotating wheel 611, the depth of the circular ring cutter 612 cutting into the Chinese chestnut kernel is shallow, when the highest point of the Chinese chestnut and the surrounding area contacts the rotating wheel 611, the rotating arm 6 will be rotated clockwise to make the wheel cutter 61 retreat, so that the Chinese chestnut is not easy to be broken, and then the maximum depth of cutting into the Chinese chestnut is smaller when a longer opening is obtained, finally the Chinese chestnut is discharged from the discharge port 4.

[0018] Specifically, the front and rear sides of the casing 1 are both provided with an ear plate 11 at the position corresponding to the window 12, the support shaft 5 is arranged between the two ear plates 11, the two ends of the cross beam 14 are respectively connected with the two ear plates 11, the cross beam 14 is located on the side of the support shaft 5 away from the feeding hopper 2, and the two ends of the baffle 13 are respectively connected with the two ear plates 11.

[0019] Furthermore, the spring 8 is a torsion spring, which is sleeved on the outside of the support shaft 5, and its two torsion arms are in contact with the lower side of the crossbeam 14 and the lower part of the rotating arm 6 away from the feed hopper 2, respectively, making the structure relatively compact.

[0020] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications may be made to this utility model without departing from its spirit and scope. All such changes and modifications fall within the scope of protection of this utility model as defined by the appended claims and their equivalents.

Claims

1. A chestnut opening machine, comprising a housing (1), wherein the housing (1) has a cylindrical inner cavity and a rotating roller (7) coaxial with and driven by a motor (3) is rotatably connected within the inner cavity, and a plurality of grooves (71) are provided on the outer circumference of the rotating roller (7), and a feed hopper (2) and a discharge port (4) are respectively provided on the top and lower part of the housing (1), characterized in that: The upper part of the housing (1) is provided with a window (12). The housing (1) is provided with a support shaft (5) above the window (12). The middle part of the rotating arm (6) is rotatably connected to the support shaft (5). The lower end of the rotating arm (6) passes through the window (12) and is rotatably connected to a wheel cutter (61). The wheel cutter (61) includes a rotating wheel (611). A circular blade (612) is provided in the middle of the outer circumference of the rotating wheel (611). The housing (1) is provided with a crossbeam (14) on one side of the support shaft (5). A spring (8) is provided between the crossbeam (14) and the rotating arm (6). The housing (1) is provided with a baffle (13) above the support shaft (5). A clearance groove (72) is provided on the outer circumference of the rotating roller (7).

2. The chestnut opening machine according to claim 1, characterized in that: The front and rear sides of the housing (1) are provided with ear plates (11) at positions corresponding to the window (12), and the support shaft (5) is located between the two ear plates (11).

3. A chestnut opening machine according to claim 2, characterized in that: The two ends of the crossbeam (14) are connected to two ear plates (11) respectively, and the crossbeam (14) is located on the side of the support shaft (5) away from the feed hopper (2).

4. A chestnut opening machine according to claim 2, characterized in that: The two ends of the baffle (13) are respectively connected to the two ear plates (11).

5. A chestnut opening machine according to any one of claims 1-4, characterized in that: The spring (8) is a torsion spring.

Images