Shaft end finger-shaped inward-bent milling cutter device

Abstract

The utility model relates to the technical field of coconut peelers, in particular to a shaft end finger-shaped inward-bent milling cutter device which comprises a rotating main shaft, the upper portion of the rotating main shaft is sleeved with a coupling, and at least one milling cutter is arranged on the outer side of the coupling in the circumferential direction. The milling cutter comprises a milling cutter head and a cutter bar arranged at the bottom of the milling cutter head, and the cutter bar is arranged on the outer side of the coupling and detachably connected with the coupling; each milling cutter is of a finger-shaped structure and is bent towards the direction of the rotating main shaft, a cutting edge is fixedly arranged on one side of each milling cutter head, and the inner sides of the milling cutter heads of the plurality of milling cutters form a hollow part notch by relying on the space at the top of the rotating main shaft. According to the utility model, the special milling cutter is matched with the coconut peeling machine, so that the coconut peel on the outer layer of a coconut can be conveniently removed, the coconut peel on the outer layer of the coconut can be efficiently removed, the labor intensity of workers for removing the coconut peel is reduced, and the danger is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to coconut peeling machine technical field, concretely relates to a kind of shaft end finger-shaped inner bending milling cutter device. BACKGROUND

[0002] Coconut is a kind of tropical fruit, its coconut juice and coconut meat, nutritional value is extremely rich.But, it is very difficult to eat, reason is coconut meat coconut juice is tightly wrapped by the thick skin of coconut huge, shell is extremely difficult, currently usually adopt coconut peeling machine to coconut is peeled.The coconut fruit is ovular or approximately spherical, diameter is usually 16~28 centimeters, fruit weight 1~3.1 kilograms, coconut rind is made of four layers of skin structure, thickness is usually 3~8 centimeters, fresh coconut outer skin is usually green, old coconut dry fruit is usually gray, leather quality;Middle layer skin is particularly thick, is made of cotton pulp sandwich coconut fiber, thickness is 10~60 millimeters, tenacity is extremely strong;Inner layer skin is made of high-density superhard wood nucleus, thickness is 3~10 millimeters, can resist certain beating force;The innermost layer is brown wood envelope.

[0003] In the mechanized operation of prior art, coconut skin is usually removed by the form of multiple mechanical equipment combined operation, usually first uses a peeling equipment to tear the outermost skin and cotton pulp layer, then is transmitted to next peeling equipment, hard nucleus ball is tightly held by artificial double hands on gear disc, and is knocked continuously, and hard nucleus is cracked to strip off nucleus layer;Finally, it is transmitted to next scraping mechanical scraping inner skin equipment, and the whole peeling link is complicated, especially artificial hand holds nucleus ball in the middle, and the danger is big in operation on gear disc, wrist injury is serious and severe;And ordinary people usually adopt the way of knife cutting and axe chopping to remove the coconut skin of coconut outer layer, therefore, the way of removing coconut skin of coconut in prior art has the defect of inconvenient removal of coconut skin of coconut outer layer. SUMMARY

[0004] The utility model discloses to solve the problem of inconvenient removal of coconut skin of coconut outer layer in prior art, provide a kind of shaft end finger-shaped inner bending milling cutter device, the device is removed with special milling cutter coconut peeling machine to facilitate the coconut skin of coconut outer layer, and coconut skin of coconut outer layer can be efficiently removed, reduce the artificial labor intensity of coconut skin removal and reduce the danger.

[0005] In order to realize the above-mentioned purpose, the technical scheme of the utility model is: including rotating main shaft, the upper portion of the rotating main shaft is sleeved with shaft coupling, at least one milling cutter is arranged on the outer side of the shaft coupling along the circumferential direction, the milling cutter includes milling cutter head and the cutter bar arranged at the bottom of the milling cutter head, the cutter bar is arranged on the outer side of the shaft coupling and can be detachably connected with the shaft coupling.The rotating main shaft can drive the shaft coupling to rotate synchronously, the shaft coupling drives the milling cutter to rotate, the rotating milling cutter cooperates with the coconut peeling machine to realize the effect of removing the coconut skin of coconut outer layer, and the cutter bar plays a fixing role on the milling cutter head.

[0006] The milling cutter is in a finger structure and is curved towards the direction of the rotating main shaft. One side of the milling cutter head is fixedly provided with a cutting edge. The inner sides of the milling cutter heads of the plurality of milling cutters rely on the space at the top of the rotating main shaft to form a hollow part gap. The rotating milling cutter can remove the coconut skin on the outer layer of the coconut through the action of the cutting edge. The hollow part gap is used to provide a space for the coconut meat stripped of the coconut skin.

[0007] Further, the inner side of the coupling is fixedly provided with a key. The coupling is connected with the rotating main shaft through the key. The coupling sleeve is connected with the rotating main shaft through the key. When the rotating main shaft rotates, the coupling sleeve can rotate to achieve the purpose of rotating the milling cutter.

[0008] Further, the upper part of the rotating main shaft is provided with a rotating main shaft step located at the bottom of the coupling. The upper end of the rotating main shaft is provided with an axial end baffle located at the top of the coupling. The rotating main shaft step plays a limiting and blocking role on the coupling to prevent the coupling from sliding downward on the rotating main shaft. The axial end baffle also plays a limiting and blocking role on the coupling.

[0009] Further, the outer side of the coupling is provided with a plurality of concave grooves in the circumferential direction. A gasket is arranged between the cutter bar and the coupling. The gasket is located in the concave groove. The cutter bar and the coupling are connected through bolts. The concave groove provides a mounting position for the gasket. According to the size of the coconut, different thickness of the gasket can be replaced to adjust the position of the finger-shaped milling cutter to ensure that the finger-shaped milling cutter can remove the coconut skin on the outer layer of the coconut.

[0010] Further, the milling cutter heads of the plurality of milling cutters are in a conical platform structure. The milling cutter heads are located in the direction of the axial radius of rotation. The cutting edge is located on the profile line of the oblique cutting plane of the milling cutter head and forms an angle with the axis of the rotating main shaft. The purpose is to improve the effect of the milling cutter in removing the coconut skin on the outer layer of the coconut and the smoothness of chip removal. A better effect is that when the milling cutter and the rotating main shaft rotate at a high speed, the noise can be reduced.

[0011] Further, the rotating main shaft is further provided with an outer bearing seat located below the coupling. An upper bearing and a lower bearing are arranged between the outer bearing seat and the rotating main shaft. The upper bearing is located above the lower bearing. The upper bearing and the lower bearing are arranged inside the outer bearing seat to facilitate the rotation of the rotating main shaft.

[0012] Further, the upper bearing and the lower bearing are interference fit with the rotating main shaft. The top of the upper bearing is provided with an upper snap spring which is clamped inside the outer bearing seat. The bottom of the lower bearing is provided with a lower snap spring which is clamped on the rotating main shaft. The upper snap spring is used to fix the upper bearing on the rotating main shaft to prevent the upper bearing from moving axially. The lower snap spring is used to fix the lower bearing on the rotating main shaft to prevent the lower bearing from moving axially.

[0013] Further, the outer side of the outer bearing seat is fixedly provided with a flange plate, the lower end of the rotating main shaft passes through the outer bearing seat and is connected with a belt pulley, and the device is installed on the frame of the coconut peeling machine through the flange plate.

[0014] Through the technical scheme, the beneficial effects of the utility model are as follows:

[0015] The utility model discloses a reasonable structure, good use effect, and the special milling cutter structure is convenient for removing the coconut skin of coconut outer layer, can remove the coconut skin of coconut outer layer quickly and efficiently, and the artificial labor intensity of removing the coconut skin can be reduced, and the danger of removing the coconut skin can be reduced.

[0016] The belt pulley at the lower end of the rotating main shaft is convenient for driving structure to drive the rotating main shaft to rotate, and the upper bearing and the lower bearing in the outer bearing seat are convenient for the rotating main shaft to rotate.

[0017] The utility model discloses a rotating main shaft rotates and can drive the coupling to rotate synchronously, and the effect of removing the coconut skin of coconut outer layer is realized under the rotating state of the finger-shaped milling cutter, wherein the cutter bar of the finger-shaped milling cutter plays the role of fixing the milling cutter, the inner side of the milling cutter head of the plurality of milling cutters constitutes a hollow part gap in the space of the top of the rotating main shaft, and the hollow part gap is used for providing the space for the coconut meat of the coconut skin to provide the space for the coconut meat of the coconut skin. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the structure schematic view of the utility model discloses a kind of shaft end finger-shaped inner bending milling cutter device;

[0019] Fig. 2 It is the sectional structure schematic view of the utility model discloses a kind of shaft end finger-shaped inner bending milling cutter device.

[0020] Reference numerals in the drawings are as follows: 1 is rotating main shaft, 101 is rotating main shaft step, 2 is key, 3 is coupling, 4 is gasket, 5 is shaft end baffle, 6 is milling cutter, 601 is milling cutter head, 602 is cutter bar, 603 is cutting edge, 7 is hollow part gap, 8 is belt pulley, 9 is outer bearing seat, 10 is flange plate, 11 is upper bearing, 12 is upper snap spring, 13 is lower bearing, 14 is lower snap spring. DETAILED DESCRIPTION

[0021] The utility model will be further described in connection with the drawings and specific embodiment:

[0022] As Figs. 1-2As shown, including rotating main shaft 1, the upper part of the rotating main shaft 1 is sleeved with a shaft coupling 3, and at least one milling cutter 6 is arranged on the outer side of the shaft coupling 3 in the circumferential direction. The milling cutter 6 includes a milling cutter head 601 and a cutter bar 602 arranged at the bottom of the milling cutter head 601. A cutter edge 603 is arranged on the milling cutter head 601. The cutter bar 602 is arranged on the outer side of the shaft coupling 3 and is detachably connected with the shaft coupling 3. The finger-shaped milling cutter can have one, or two, or three, or even several. In this embodiment, considering the dynamic balance of cutting force, noise generation, and chip removal fluency, three milling cutters 6 are arranged on the outer side of the shaft coupling 3 in the circumferential direction. The milling cutter 6 can be a whole structure or a split structure. In this embodiment, the milling cutter 6 is a split structure. The milling cutter head 601 and the cutter bar 602 are of a whole structure, and the milling cutter head 601 and the milling cutter edge 603 are of a split structure and are fixed by welding. The cutter bar 602 is made of metal material, specifically, food-grade stainless steel. In this embodiment, the device works with a coconut peeling machine to remove the outer coconut skin of the coconut. The finger-shaped milling cutter is one of the core components of the coconut peeling machine.

[0023] The milling cutter 6 is in a finger-shaped structure and is curved towards the rotating main shaft 1. The cutter edge 603 is fixed on one side of the milling cutter head 601. The inner side of the milling cutter head 601 of the plurality of milling cutters 6 relies on the space at the top of the rotating main shaft 1 to form a hollow part gap 7. In this embodiment, the milling cutter 6 is also in an arc-shaped structure. The cutter edge 603 is made of high-hardness material, specifically, PCD polycrystalline diamond. Since the milling cutter 6 is in an inwardly curved structure, the inner side of the milling cutter head 601 of the plurality of milling cutters 6 relies on the space at the top of the rotating main shaft 1 to form a hollow part gap 7. When the rotating main shaft 1 drives the shaft coupling 3 to rotate, the shaft coupling 3 drives the three finger-shaped milling cutters 6 to rotate synchronously. When the milling cutter 6 rotates, a bird nest-like concave gap position space is formed on the top inner surface of the milling cutter 6, i.e., the position where the hollow part gap 7 is located.

[0024] The inner side of the shaft coupling 3 is fixedly provided with a key 2. The shaft coupling 3 is connected with the rotating main shaft 1 through the key 2. In this embodiment, the shaft coupling 3 is connected with the rotating main shaft 1 through the key 2. The purpose is to drive the shaft coupling 3 to rotate synchronously through the key 2 when the rotating main shaft 1 rotates.

[0025] The upper part of the rotating main shaft 1 is provided with a rotating main shaft step 101 at the bottom of the coupling 3, and the upper end of the rotating main shaft 1 is provided with an axial end stop sheet 5 at the top of the coupling 3. In this embodiment, the diameter of the rotating main shaft step 101 is larger than the diameter of the rotating main shaft 1 and the inner diameter of the coupling 3, and the rotating main shaft step 101 plays a blocking and limiting role on the coupling 3 to prevent the coupling 3 from sliding downward on the rotating main shaft 1; the axial end stop sheet 5 is bolted at the upper end of the rotating main shaft 1, and the diameter of the axial end stop sheet 5 is larger than the inner diameter of the coupling 3, and the axial end stop sheet 5 also plays a blocking and limiting role on the coupling 3.

[0026] The outer side of the coupling 3 is provided with a plurality of concave grooves in the circumferential direction, the cutter bar 602 and the coupling 3 are provided with a gasket 4, the gasket 4 is located in the concave groove, and the cutter bar 602 and the coupling 3 are bolted. In this embodiment, the concave groove provides a mounting position for the gasket 4, and different thicknesses of gaskets 4 can be replaced according to the size of the coconut to adjust the position of the milling cutter 6, so as to ensure that the milling cutter 6 can remove the coconut skin on the outer layer of the coconut. The cutter bar 602 and the coupling 3 are bolted to clamp and fix the gasket 4, and the gasket 4 is also convenient to replace.

[0027] The milling cutter heads 601 of a plurality of milling cutters 6 are in a conical platform structure, so that the upper end is smaller than the lower end, the milling cutter heads 601 are located in the axial rotation radius direction, and the cutting edges 603 are located on the profile line of the oblique cutting plane of the milling cutter head 601 and form an angle with the axis of the rotating main shaft 1. The purpose is to improve the effect of the milling cutter 6 removing the coconut skin on the outer layer of the coconut. And the chip removal is smooth, and the better effect is that when the milling cutter 6 and the rotating main shaft 1 rotate at high speed, the noise can be reduced.

[0028] The rotating main shaft 1 is also provided with an outer bearing seat 9 below the coupling, the outer bearing seat 9 and the rotating main shaft 1 are provided with an upper bearing 11 and a lower bearing 13, and the upper bearing 11 is located above the lower bearing 13. In this embodiment, the outer bearing seat 9 is a cylindrical structure, and the inner side of the outer bearing seat 9 is provided with a step for installing the upper bearing 11 and the lower bearing 13, and the rotating main shaft 1 is rotated through the upper bearing 11 and the lower bearing 13.

[0029] The upper bearing 11 and the lower bearing 13 are in interference fit with the rotating main shaft 1, the upper bearing 11 is provided with an upper clamping spring 12 clamped in the inner side of the outer bearing seat 9, and the lower bearing 13 is provided with a lower clamping spring 14 clamped on the rotating main shaft 1. In the embodiment, the upper clamping spring 12 is clamped in the inner side of the outer bearing seat 9, which fixes the upper bearing 11 on the rotating main shaft 1 and prevents the upper bearing 11 from moving axially on the rotating main shaft 1; the rotating main shaft 1 is provided with an annular groove, and the lower clamping spring 14 is clamped in the annular groove, which fixes the lower bearing 13 on the rotating main shaft 1 and prevents the lower bearing 13 from moving axially on the rotating main shaft 1, thereby ensuring the normal work of the upper bearing 11 and the lower bearing 13.

[0030] The outer side of the outer bearing seat 9 is fixedly provided with a flange plate 10, which can be circular, square or other shapes, and the lower end of the rotating main shaft 1 penetrates through the outer bearing seat 9 and is connected with a belt pulley 8. In the embodiment, the flange plate 10 is in square structure and is welded and fixed on the outer side of the outer bearing seat 9, and the flange plate 10 is used to bolt the device on the frame of the coconut peeling machine; the belt pulley 8 is used to drive the rotating main shaft 1 to rotate, and the driving structure includes a motor and a transmission belt, the output end of the motor is connected with a driving pulley, and the driving pulley is connected with the belt pulley 8 through the transmission belt.

[0031] The working principle of the utility model is as follows: firstly, the position of the finger-shaped milling cutter is adjusted according to the size of the coconut, so as to ensure that the finger-shaped milling cutter can remove the coconut skin on the outer layer of the coconut. Specifically, the bolt for fixing the cutter rod 602 is disassembled, the cutter rod 602 and the gasket 4 are disassembled from the shaft coupling 3, then the gasket 4 with appropriate thickness is selected and installed in the concave groove, and then the cutter rod 602 is fixed on the shaft coupling 3 through the bolt, and the three finger-shaped milling cutters 6 are adjusted in position according to the above operation.

[0032] As shown in Fig. 2 When the coconut skin on the outer layer of the coconut is removed, the motor is started, the output end of the motor drives the driving pulley to rotate, the driving pulley drives the belt pulley 8 to rotate through the transmission belt, the belt pulley 8 drives the rotating main shaft 1 to rotate at high speed, the rotating main shaft 1 rotates at high speed in the outer bearing seat 9, and the upper end of the rotating main shaft 1 drives the three milling cutters 6 to rotate at high speed through the shaft coupling 3. Since the milling cutter 6 rotates at high speed, one side of the milling cutter head 601 of the milling cutter 6 is provided with a cutting edge 603, the rotating clamp jaw of the coconut peeling machine clamps the coconut and gradually approaches the place where the milling cutter 6 is placed (A and B points in the middle of the coconut peeling machine are the clamping points of the rotating clamp jaw), and at the same time that the rotating clamp jaw clamps the coconut and gradually approaches the cutting edge 603, the coconut skin on the outer layer of the coconut is gradually peeled off, so that the coconut skin on the outer layer of the coconut is quickly and efficiently removed. Fig. 2

[0033] ​The above-described embodiments are only preferred embodiments of the utility model, and are not intended to limit the utility model implementation scope, so equivalent changes or modifications made according to the technical solutions described in the utility model patent scope should be included in the utility model application patent scope.

Claims

1. A shaft-end finger-shaped inward bending milling cutter device, characterized in that, The device includes a rotating spindle (1), a coupling (3) is sleeved on the upper part of the rotating spindle (1), and at least one milling cutter (6) is provided on the outer side of the coupling (3) along the circumferential direction. The milling cutter (6) includes a milling cutter head (601) and a cutter bar (602) provided at the bottom of the milling cutter head (601). The cutter bar (602) is provided on the outer side of the coupling (3) and is detachably connected to the coupling (3). The milling cutter (6) has a finger-like structure and is bent toward the rotating spindle (1). A cutting edge (603) is fixedly provided on one side of the milling cutter head (601). The inner side of the milling cutter head (601) of the multiple milling cutters (6) forms a hollow part notch (7) by relying on the space at the top of the rotating spindle (1).

2. The shaft-end finger-shaped inward bending milling cutter device according to claim 1, characterized in that, A key (2) is fixedly provided on the inner side of the coupling (3), and the coupling (3) is connected to the rotating spindle (1) by the key (2).

3. The shaft-end finger-shaped inward bending milling cutter device according to claim 2, characterized in that, The upper part of the rotating spindle (1) is provided with a rotating spindle step (101) located at the bottom of the coupling (3), and the upper end of the rotating spindle (1) is provided with a shaft end baffle (5) located at the top of the coupling (3).

4. The shaft-end finger-shaped inward bending milling cutter device according to claim 3, characterized in that, The outer side of the coupling (3) is provided with a plurality of concave grooves along the circumferential direction. A gasket (4) is provided between the tool bar (602) and the coupling (3). The gasket (4) is located in the concave groove. The tool bar (602) is bolted to the coupling (3).

5. The shaft-end finger-shaped inward bending milling cutter device according to claim 1, characterized in that, The milling cutter heads (601) of the plurality of milling cutters (6) are arranged in a frustum-shaped structure. The milling cutter heads (601) are located in the direction of the radius of rotation along the axis. The cutting edge (603) is located on the contour line of the oblique cutting plane of the milling cutter head (601) and forms an angle with the axis of the rotating spindle (1).

6. The shaft-end finger-shaped inward bending milling cutter device according to claim 1, characterized in that, The rotating spindle (1) is also rotatably fitted with an outer bearing housing (9) located below the coupling. An upper bearing (11) and a lower bearing (13) are provided between the outer bearing housing (9) and the rotating spindle (1). The upper bearing (11) is located above the lower bearing (13).

7. The shaft-end finger-shaped inward bending milling cutter device according to claim 6, characterized in that, The upper bearing (11) and the lower bearing (13) are interference-fitted with the rotating spindle (1). The upper bearing (11) is provided with an upper retaining ring (12) that is locked inside the outer bearing seat (9) at the top. The lower bearing (13) is provided with a lower retaining ring (14) that is locked on the rotating spindle (1) at the bottom.

8. The shaft-end finger-shaped inward bending milling cutter device according to claim 7, characterized in that, A flange plate (10) is fixedly installed on the outer side of the outer bearing housing (9), and the lower end of the rotating spindle (1) passes through the outer bearing housing (9) and is connected to a pulley (8).

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