Potato seed piece cutter movable clamping device

Abstract

The application provides a movable clamping device of a potato seed potato cutting machine, characterized in that a cylindrical boss fixed bearing inner ring is welded at the center of a bottom plate, two friction assemblies are symmetrically installed relative to the center of the bottom plate, a spring seat bottom is installed at the center of the bottom plate, a bearing outer ring is fixed in a spring seat bottom bearing fixing cylinder, a cylindrical block welded at the lower end surface of a supporting plate is placed in a cylindrical cylinder welded at the upper end surface of the spring seat, a spring is placed in the cylindrical cylinder, a first section end surface of a four-petal seed potato clamping jaw connecting rod is welded with a clamping plate, a pulley is installed at the connection between the second section and the third section of the connecting rod, the pulley horizontally rolls in the spring seat, the third section end of the connecting rod is connected with the lower end surface of the supporting plate, and four four-petal seed potato clamping jaws are symmetrically distributed relative to the center of the bottom plate. The application can accurately cut potato seed potatoes and reach a suitable potato size, has high reliability and is widely applicable.

Description

TECHNICAL FIELD

[0001] The application provides a movable clamping device of potato seed potato dicer, which is mainly used for potato dicer. BACKGROUND

[0002] At present, the existing potato seed potato dicer automatically screens potatoes according to weight, and transports the seed potatoes suitable for dicing to the dicing device, so as to meet the effective cutting of potatoes of different sizes. However, the dicer is prone to cutting the bud part of the seed potato into pieces, causing waste. In actual production, the bud part is the area with the most concentrated bud eye distribution of the seed potato, and the dicer lacks a corresponding clamping device, so that all seed potatoes are cut in the same dicing device, which cannot guarantee that the bud part has enough nutrients for germination, and there is a waste of seed potatoes.

[0003] In view of the current situation of the potato seed potato preparation industry, there is an urgent need for a potato seed potato dicer that can retain the advantages of the top end of the seed potato. Therefore, designing a movable clamping device of potato seed potato dicer has important significance for promoting the mechanization process of automatic potato dicing. SUMMARY

[0004] The purpose of the application is to solve the problem that the existing dicer is prone to cutting the bud part of the potato seed potato into pieces due to the lack of a corresponding seed potato clamping device, which causes the bud part to lack nutrients and cannot germinate, and wastes the seed potatoes. Further, a movable clamping device of potato seed potato dicer is provided.

[0005] The technical scheme is as follows: it comprises a bottom plate, a spring seat, a support plate group, four-petal seed potato clamping claws and a friction assembly, characterized in that: the middle part of the bottom plate is a circular part welded with a cylindrical boss, the axis of the cylindrical boss coincides with the axis of the circular part in the middle of the bottom plate, the two sides of the bottom plate are rectangular parts welded with two square bosses provided with through screw holes at a position away from the center of the bottom plate, the center line of the through screw hole is horizontal and perpendicular to the seed potato conveying direction, a cylindrical roller bearing inner ring is installed on the cylindrical boss, the spring seat is in a cylindrical shape, four rotating bosses are symmetrically arranged at the edge of the lower end surface of the spring seat, the included angle between the center lines of the adjacent rotating bosses is 90°, a cylindrical bearing fixing cylinder is welded at the center of the lower end surface of the spring seat, a cylindrical roller bearing is installed in the bearing fixing cylinder, four cylindrical cylinders are welded at the upper end surface of the spring seat close to the center axis of the bottom plate, the four cylindrical cylinders are symmetrically distributed, the axis of the cylindrical cylinder is parallel to the axis of the spring seat, one spring is arranged in each cylindrical cylinder, four sliding grooves are symmetrically arranged at the upper end surface of the spring seat away from the center axis of the bottom plate, the center lines of the two opposite sliding grooves are collinear and pass through the center of the upper end surface of the spring seat, the included angle between the center line of the sliding groove and the center line of the adjacent sliding groove is 70°, the included angle between the center line of the sliding groove and the center line of the other adjacent sliding groove is 110°, the support plate group comprises four support plates, the four support plates are symmetrically distributed relative to the seed potato conveying direction and the outer contour line of the upper end surface of the four support plates envelopes an ellipse, a cross-shaped knife groove is formed between the four support plates, one cylindrical block is welded at the lower end surface of each of the four support plates close to the center axis of the bottom plate, the axes of the four cylindrical blocks coincide with the axes of the four cylindrical cylinders and the cylindrical blocks are directly installed in the cylindrical cylinders, two vertical parallel connecting plates are welded at the lower end surface of each of the four support plates away from the center axis of the bottom plate, the symmetric plane between the two parallel connecting plates passes through the center axis of the bottom plate and the included angle between the vertical plane of the seed potato conveying direction and the symmetric plane is 65°, the symmetric planes between the parallel connecting plates welded at the lower end surfaces of the opposite support plates coincide, pin shaft holes are arranged on the parallel connecting plates and the included angle between the center axis of the pin shaft hole and the seed potato conveying direction is 65°, the four-petal seed potato clamping claw comprises a clamping plate and a connecting rod, the inner and outer sides of the clamping plate are arc surfaces, the connecting rod has three sections, the first section of the connecting rod and the second section of the connecting rod form a right angle, the second section of the connecting rod and the third section of the connecting rod form an acute angle, the symmetric plane of the connecting rod is perpendicular to the bottom plate and passes through the center of the bottom plate, the symmetric planes of the opposite connecting rods coincide, the included angle between the symmetric plane of the connecting rod and the vertical plane of the seed potato conveying direction is 65°, the clamping plate is welded at the center of the outer side of the connecting rod, when the first section of the connecting rod is horizontal, the upper end surface of the clamping plate is parallel to the upper end surface of the support plate group and the upper end surface of the clamping plate envelopes an ellipse, one end of the third section of the connecting rod is provided with a mounting hole, a pin shaft passes through the mounting hole of the third section of the connecting rod and the mounting hole provided at one end of the second section of the connecting rod, a buckle is installed in the end surface pin hole of the pin shaft, a mounting hole is arranged at the connection between the second section of the connecting rod and the third section of the connecting rod, four pulleys are respectively installed in the sliding grooves and the center shaft of the pulley passes through the mounting hole arranged at the connection between the second section of the connecting rod and the third section of the connecting rod, the friction assembly comprises a fixed screw, a rubber friction block slot and a U-shaped rubber friction block.The fixed screw passes through the through screw hole of the square boss, the fixed screw chamfer end is installed with a rubber friction block clamping groove, a U-shaped rubber friction block is fixed in the rubber friction block clamping groove, the U-shaped surface of the U-shaped rubber friction block is provided with a sawtooth groove, and the sawtooth groove is tightly attached to the outer side of the bearing fixing cylinder.

[0006] The application is characterized in that a cylindrical boss is welded to the middle circular part of the base plate, the axis of the cylindrical boss coincides with the axis of the middle circular part of the base plate, two square bosses provided with through threaded holes are welded to the two sides of the rectangular part of the base plate away from the center of the base plate, the center line of the through threaded hole is horizontal and perpendicular to the seed potato conveying direction, the inner ring of the cylindrical roller bearing is installed on the cylindrical boss, the spring seat is in a cylindrical shape, four rotating bosses are symmetrically arranged on the edge of the lower end surface of the spring seat, the included angle between the center lines of the adjacent rotating bosses is 90°, a cylindrical bearing fixing cylinder is welded to the center of the lower end surface of the spring seat, the cylindrical roller bearing is installed in the bearing fixing cylinder, four cylindrical cylinders are welded to the upper end surface of the spring seat close to the center axis of the base plate, the four cylindrical cylinders are symmetrically distributed, the axis of the cylindrical cylinder is parallel to the axis of the spring seat, one spring is arranged in each cylindrical cylinder, four sliding grooves are symmetrically arranged on the upper end surface of the spring seat away from the center axis of the base plate, the center lines of the two opposite sliding grooves are collinear and pass through the center of the upper end surface of the spring seat, the included angle between the center line of the sliding groove and the center line of the adjacent sliding groove is 70°, the included angle between the center line of the sliding groove and the center line of the other adjacent sliding groove is 110°, the support plate group comprises four support plates, the four support plates are symmetrically distributed relative to the seed potato conveying direction and the outer side contour line of the upper end surface of the four support plates envelopes an ellipse, a cross-shaped knife groove is formed between the four support plates, one cylindrical block is welded to the lower end surface of each of the four support plates close to the center axis of the base plate, the axis of the four cylindrical blocks coincides with the axis of the four cylindrical cylinders and the cylindrical block is directly installed in the cylindrical cylinder, two vertically arranged parallel connecting plates are welded to the lower end surface of each of the four support plates away from the center axis of the base plate, the symmetry plane between the two parallel connecting plates passes through the center axis of the base plate and the included angle between the vertical plane of the seed potato conveying direction and the symmetry plane is 65°, the symmetry planes between the parallel connecting plates welded to the lower end surfaces of the opposite support plates coincide, pin shaft holes are arranged on the parallel connecting plates and the included angle between the center axis of the pin shaft hole and the seed potato conveying direction is 65°, the four-petal seed potato clamping jaw comprises a clamping plate and a connecting rod, the inner and outer sides of the clamping plate are arc surfaces, the connecting rod has three sections, the first section of the connecting rod and the second section of the connecting rod form a right angle, the second section of the connecting rod and the third section of the connecting rod form an acute angle, the symmetry plane of the connecting rod is perpendicular to the base plate and passes through the center of the base plate, the symmetry planes of the opposite connecting rods coincide, the included angle between the symmetry plane of the connecting rod and the vertical plane of the seed potato conveying direction is 65°, the first section of the connecting rod is welded to the center of the outer side of the clamping plate, when the first section of the connecting rod is horizontal, the upper end surface of the clamping plate is parallel to the upper end surface of the support plate group and the upper end surface of the clamping plate envelopes an ellipse, a mounting hole is arranged at one end of the third section of the connecting rod, a pin shaft passes through the mounting hole arranged at one end of the third section of the connecting rod and the pin shaft hole on the parallel connecting plate and a buckle is mounted in the end surface pin hole of the pin shaft, a mounting hole is arranged at the connection between the second section of the connecting rod and the third section of the connecting rod, four pulleys are respectively installed in the sliding grooves and the center shaft of the pulley passes through the mounting hole arranged at the connection between the second section of the connecting rod and the third section of the connecting rod, the friction assembly comprises a fixed screw, a rubber friction block clamping groove and a U-shaped rubber friction block, the fixed screw passes through the through threaded hole of the square boss, the chamfered end of the fixed screw is provided with the rubber friction block clamping groove,The U-shaped rubber friction block is fixed in the rubber friction block clamping groove, and a sawtooth groove is arranged on the U-shaped surface of the U-shaped rubber friction block.

[0007] The working principle is as follows: potato seed potatoes with a weight of more than 180 g are selected in advance, and the selected seed potatoes are sequentially dropped into the clamping device, under the action of the gravity of the seed potatoes, the spring is compressed, the supporting plate group is lowered, and the four-petal seed potato clamping claws are tightened inward, so that the seed potatoes are clamped. The clamping device clamps the seed potatoes and forwards the seed potatoes, the cutter divides the seed potatoes in the clamping device into two pieces along the cross-shaped cutter groove. The clamping device continues to forward, and the clamping mechanism is rotated 90° under the action of the rotating boss, and the cutter divides the two pieces of potato pieces into four pieces along the cross-shaped cutter groove. The chain drives the clamping device to overturn, the supporting plate group is lowered under the action of the gravity of the potato pieces and the spring force, the four-petal seed potato clamping claws are opened, the cut seed potato pieces are poured on the conveying belt of the cutting machine, the conveying belt transports the seed potato pieces for the next operation, and the empty clamping device continues to be conveyed, so as to circulate. The installation and debugging of the whole clamping assembly are very simple and convenient, and the actual production requirements can be met.

[0008] Compared with the prior art, the square boss with a through threaded hole is symmetrically welded on both sides of the bottom plate, the fixing screw is conveniently screwed in, when the U-shaped rubber friction block is worn after long-term use, the U-shaped rubber friction block can be pushed to tightly contact the outer side of the bearing fixing cylinder by screwing the fixing screw, and the parts are easy to replace; the bottom plate and the spring seat are connected by the bearing, when the second cutting is performed, only the spring seat needs to be rotated to align the long axis of the seed potato with the cutter, the cutting is completed, the conveying direction of the seed potato pieces remains unchanged, and the complexity of the cutting machine is reduced; the spring is installed between the spring seat and the supporting plate group, and the spring is compressed by the weight of the seed potato, so that the clamping plate is tightened inward to fix the seed potato, so that the clamping force of the four-petal seed potato clamping claw is not too large to damage the sprouts; the cross-shaped cutter groove is formed between the four supporting plates, interference between the cutter and the supporting plate is avoided during cutting, and the device is prevented from being damaged; the four four-petal seed potato clamping claws are symmetrically distributed relative to the center of the bottom plate, the seed potato is fixed from four directions, and the inner side of the clamping plate has a certain arc, the seed potato can be better fitted, and the seed potato is prevented from falling off. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 is a structural principle diagram of an embodiment of the present application.

[0010] Figure 2 is Figure 1 a top view of the embodiment shown.

[0011] Figure 3 is Figure 2 an A-A sectional view of the embodiment shown.

[0012] Figure 4 is Figure 2B-B sectional view of the illustrated embodiment.

[0013] Figure 5 is Figure 1 Axonometric view of the spring seat group welding of the illustrated embodiment.

[0014] Figure 6 is Figure 1 Front view of the spring seat group welding of the illustrated embodiment.

[0015] Figure 7 is Figure 1 Bottom view of the spring seat group welding of the illustrated embodiment.

[0016] Figure 8 is Figure 1 Front view of the pallet group of the illustrated embodiment.

[0017] Figure 9 is Figure 1 Bottom view of the pallet group of the illustrated embodiment.

[0018] Figure 10 is Figure 1 Structure diagram of the four-petal seed potato clamping claw of the illustrated embodiment.

[0019] Figure 11 is Figure 1 Axonometric view of the friction assembly of the illustrated embodiment. DETAILED DESCRIPTION

[0020] 1, bottom plate 2, spring seat 3, buckle 4, pallet 5, connecting rod 6, clamping plate 7, cylindrical block 8, pin shaft 9, parallel connecting plate 10, cylindrical cylinder 11, fixed screw 12, square boss 13, spring 14, cylindrical roller bearing 15, cylindrical boss 16, U-shaped rubber friction block 17, rubber friction block clamping groove 18, bearing fixing cylinder 19, pulley

[0021] In Figures 1-11In the shown embodiment: the middle of the base plate 1 is a circular part welded with a cylindrical boss 15, the axis of the cylindrical boss 15 coincides with the axis of the circular part in the middle of the base plate 1, the two sides of the base plate 1 are rectangular parts welded with two square bosses 12 provided with through threaded holes, the center line of the through threaded holes is horizontal and perpendicular to the seed potato conveying direction, the inner ring of the cylindrical roller bearing 14 is installed on the cylindrical boss 15, the spring seat 2 is "cylindrical", four rotating bosses are symmetrically arranged on the edge of the lower end surface of the spring seat 2, the included angle between the center lines of adjacent rotating bosses is 90°, a cylindrical bearing fixing cylinder 18 is welded on the center of the lower end surface of the spring seat 2, the cylindrical roller bearing 14 is installed in the bearing fixing cylinder 18, four cylindrical cylinders 10 are welded on the upper end surface of the spring seat 2 close to the center axis of the base plate 1, the four cylindrical cylinders 10 are symmetrically distributed, the axis of the cylindrical cylinder 10 is parallel to the axis of the spring seat 2, one spring 13 is arranged in each cylindrical cylinder 10, four sliding grooves are symmetrically arranged on the upper end surface of the spring seat 2 away from the center axis of the base plate 1, the center lines of the two opposite sliding grooves are coincident and pass through the center of the upper end surface of the spring seat 2, the included angle between the center line of the sliding groove and the center line of the adjacent sliding groove is 70°, the included angle between the center line of the sliding groove and the center line of the other adjacent sliding groove is 110°, the support plate group includes four support plates 4, the four support plates 4 are symmetrically distributed relative to the seed potato conveying direction and the outer contour line of the upper end surface of the four support plates 4 envelopes an "elliptical shape", a cross-shaped knife groove is formed between the four support plates 4, one cylindrical block 7 is welded on the lower end surface of each of the four support plates 4 close to the center axis of the base plate 1, the axis of the four cylindrical blocks 7 coincides with the axis of the four cylindrical cylinders 10, and the cylindrical block 7 is directly installed in the cylindrical cylinder 10, two vertical parallel connecting plates 9 are welded on the lower end surface of each of the four support plates 4 away from the center axis of the base plate 1, the symmetry plane between the two parallel connecting plates 9 passes through the center axis of the base plate 1 and the vertical plane of the seed potato conveying direction has an included angle of 65°, the symmetry planes between the parallel connecting plates 9 welded on the lower end surfaces of the oppositely arranged support plates 4 coincide, pin shaft holes are provided on the parallel connecting plates 9 and the center axis of the pin shaft holes has an included angle of 65° with the seed potato conveying direction, the four-petal seed potato clamping jaw includes a clamping plate 6 and a connecting rod 5, the inner and outer sides of the clamping plate 6 are arc surfaces, the connecting rod 5 has three sections, the first section of the connecting rod 5 and the second section of the connecting rod 5 form a right angle, the second section of the connecting rod 5 and the third section of the connecting rod 5 form an acute angle, the symmetry plane of the connecting rod 5 is perpendicular to the base plate 1 and passes through the center of the base plate 1, the symmetry planes of the oppositely arranged connecting rods 5 coincide, the symmetry plane of the connecting rod 5 has an included angle of 65° with the vertical plane of the seed potato conveying direction, the first section of the connecting rod 5 is welded to the center of the outer side of the clamping plate 6, when the first section of the connecting rod 5 is horizontal, the upper end surface of the clamping plate 6 is parallel to the upper end surface of the support plate group, and the upper end surface of the clamping plate 6 envelopes an "elliptical shape", one end of the third section of the connecting rod 5 is provided with a mounting hole, a pin shaft 8 passes through the mounting hole provided on the third section of the connecting rod 5 and the pin shaft hole on the parallel connecting plate 9, and a buckle 3 is installed in the end surface pin hole of the pin shaft 8, a mounting hole is provided at the connection between the second section of the connecting rod 5 and the third section of the connecting rod 5,4 pulleys 19 are respectively installed in the sliding slot, and the center shafts of the pulleys 19 pass through the mounting holes arranged at the connection position of the second section of the connecting rod 5 and the third section of the connecting rod 5, the friction assembly comprises a fixed screw 11, a rubber friction block clamping groove 17 and a U-shaped rubber friction block 16, the fixed screw 11 passes through the through threaded hole of the square boss 12, the chamfered end of the fixed screw 11 is installed with the rubber friction block clamping groove 17, the U-shaped rubber friction block 16 is fixed in the rubber friction block clamping groove 17, the U-shaped surface of the U-shaped rubber friction block 16 is provided with a sawtooth groove, and the sawtooth groove is tightly attached to the outer side of the bearing fixing cylinder 18.

Claims

1. A potato seed potato cutting machine movable clamping device, it includes the bottom plate (1), spring seat (2), the tray group, four petal seed potato clamping claw and the friction assembly, its characterized in that: The bottom plate (1) is welded with a circular column boss (15) in the middle circular part, the axis of the circular column boss (15) coincides with the axis of the middle circular part of the bottom plate (1), two square bosses (12) provided with through threaded holes are welded on the two sides of the bottom plate (1) away from the center of the bottom plate (1), the center line of the through threaded hole is horizontal and perpendicular to the seed potato conveying direction, the inner ring of the cylindrical roller bearing (14) is installed on the circular column boss (15), the spring seat (2) is in a cylindrical shape, four rotating bosses are symmetrically arranged on the edge of the lower end surface of the spring seat (2), the included angle between the center lines of the adjacent rotating bosses is 90°, a cylindrical bearing fixing cylinder (18) is welded on the center of the lower end surface of the spring seat (2), the cylindrical roller bearing (14) is installed in the bearing fixing cylinder (18), four cylindrical cylinders (10) are welded on the upper end surface of the spring seat (2) close to the center axis of the bottom plate (1), the four cylindrical cylinders (10) are symmetrically distributed, the axis of the cylindrical cylinder (10) is parallel to the axis of the spring seat (2), one spring (13) is arranged in each cylindrical cylinder (10), four sliding grooves are symmetrically arranged on the upper end surface of the spring seat (2) away from the center axis of the bottom plate (1), the center lines of the two opposite sliding grooves are collinear and pass through the center of the upper end surface of the spring seat (2), the included angle between the center line of the sliding groove and the center line of the adjacent sliding groove is 70°, the included angle between the center line of the sliding groove and the center line of the other adjacent sliding groove is 110°, the support plate group includes four support plates (4), the four support plates (4) are symmetrically distributed relative to the seed potato conveying direction and the outer side contour line of the upper end surface of the four support plates (4) envelopes an oval shape, a cross-shaped knife slot is formed between the four support plates (4), one cylindrical block (7) is welded on the lower end surface of each of the four support plates (4) close to the center axis of the bottom plate (1), the axes of the four cylindrical blocks (7) coincide with the axes of the four cylindrical cylinders (10), and the cylindrical blocks (7) are directly installed in the cylindrical cylinders (10), two vertically arranged parallel connecting plates (9) are welded on the lower end surface of each of the four support plates (4) away from the center axis of the bottom plate (1), the symmetry plane between the two parallel connecting plates (9) passes through the center axis of the bottom plate (1) and forms an angle of 65° with the vertical plane of the seed potato conveying direction, the symmetry planes between the parallel connecting plates (9) welded on the lower end surfaces of the oppositely arranged support plates (4) coincide, pin shaft holes are arranged on the parallel connecting plates (9) and the center axis of the pin shaft holes forms an angle of 65° with the seed potato conveying direction, the four-petal seed potato clamping jaw includes a clamping plate (6) and a connecting rod (5), the inner and outer sides of the clamping plate (6) are arc surfaces, the connecting rod (5) has three sections, the first section of the connecting rod (5) and the second section of the connecting rod (5) form a right angle, the second section of the connecting rod (5) and the third section of the connecting rod (5) form an acute angle, the symmetry plane of the connecting rod (5) is perpendicular to the bottom plate (1) and passes through the center of the bottom plate (1), the symmetry planes of the oppositely arranged connecting rods (5) coincide, the symmetry plane of the connecting rod (5) forms an angle of 65° with the vertical plane of the seed potato conveying direction, the clamping plate (6) is welded on the first section of the connecting rod (5) at the center of the outer side, when the first section of the connecting rod (5) is horizontal, the upper end surface of the clamping plate (6) is parallel to the upper end surface of the support plate group,And the upper end surface of the clamping plate (6) outside the contour line envelope into "oval", the third section of the connecting rod (5) one end is provided with mounting hole, pin shaft (8) through the parallel connecting plate (9) pin shaft hole and the third section of the connecting rod (5) one end is provided with mounting hole, and the pin shaft (8) end face pin hole installation buckle (3), the second section of the connecting rod (5) and the third section of the connecting rod (5) connecting place is provided with mounting hole, 4 pulley (19) is installed in the chute respectively, and the pulley (19) center axis through the second section of the connecting rod (5) and the third section of the connecting rod (5) connecting place is provided with mounting hole, friction assembly includes fixed screw (11), rubber friction block card slot (17) and U-shaped rubber friction block (16), fixed screw (11) through the square boss (12) through the threaded hole, fixed screw (11) chamfer end installation rubber friction block card slot (17), in rubber friction block card slot (17) fixed U-shaped rubber friction block (16), U-shaped rubber friction block (16) U-shaped face set sawtooth groove, sawtooth groove close to the outside of bearing fixed cylinder (18); The clamping device can be driven by chain overturning.

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