Sugarcane tearing machine blade with replaceable hard alloy

Abstract

The utility model discloses a sugarcane tearing machine blade capable of replacing hard alloy, belongs to the technical field of sugar making blades, and solves the problems that an existing tearing machine blade is easy to wear and difficult to replace. The blade comprises a tool bit, a matrix and a dovetail part, the upper end of the matrix is connected with the tool bit, the lower end of the matrix is detachably connected with the dovetail part, a mounting groove is formed in one side of the tool bit, a plurality of hard alloy particles which are arranged side by side are arranged on the mounting groove, a mounting end face is arranged on the top of the tool bit, and the dovetail part is arranged on the mounting end face. The hard alloy tearing machine blade with the welding edge is characterized in that an installation end face is arranged on the matrix, an alloy block pressing plate used for pressing hard alloy particles is arranged on the installation end face, the alloy block pressing plate is connected with the tool bit through a pressing plate screw, and wear-resistant surfacing layers are arranged on the two sides of the tool bit and the matrix. The service life of the cutter of the tearing machine is effectively prolonged, and meanwhile, a detachable installation mode is adopted, so that the maintenance efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sugar making blade technical field especially relates to a kind of cane tearing machine blade of replaceable hard alloy. BACKGROUND

[0002] Cane crushing is an important process of cane sugar factory press workshop, and cane tearing machine is the important equipment of cane crushing pretreatment, cutter installed on cutter roll is the key working component of tearing machine. Cutter on cutter roll is arranged in row according to single or double helix, cutter roll high-speed rotation drives cutter to cut off, crush cane, and traditional cutter is integrally formed by casting, when encountering sandstone, it is easy to wear, and be influenced by cutter structure, processing quality and other factors, it is extremely easy to occur to break, brittle fracture, seriously affect production quality, simultaneously, frequent shutdown replaces cutter, simultaneously, since cutter is welded on the installation strip of cutter roll, it is very troublesome to replace, needs to spend a lot of time to maintain, and it brings great economic loss to factory. SUMMARY

[0003] The utility model solves the technical problem to the above insufficient of prior art, provide a kind of cane tearing machine blade of replaceable hard alloy, with good wear resistance and impact resistance, effectively prolong the service life of tearing machine cutter, simultaneously, using detachable installation mode, improve maintenance efficiency, with the characteristics of convenient to use, strong practicality.

[0004] The utility model discloses a kind of cane tearing machine blade of replaceable hard alloy, including tool bit, parent body and dovetail part, the parent body upper end is connected with tool bit, the parent body lower end is detachably connected with dovetail part, the tool bit one side is equipped with installation groove, the installation groove is equipped with multiple side-by-side arranged hard alloy particles, the tool bit top is equipped with installation end face, the installation end face is equipped with alloy block pressing plate for hard alloy particle compression, the alloy block pressing plate is connected with tool bit by pressing plate screw, the tool bit is equipped with wear-resistant hardfacing on both sides, the distance between the wear-resistant hardfacing of both sides is same with the thickness of hard alloy particle.

[0005] Further, the cross section of the installation groove is dovetail groove shape, the hard alloy particle top is equipped with dovetail inlay block, the dovetail inlay block is inlaid in installation groove, one end of the alloy block pressing plate is compressed on the outermost dovetail inlay block.

[0006] Further, the hard alloy particle includes tool bit alloy particle and general alloy particle, the dovetail inlay block is arranged on the tool bit alloy particle, general alloy particle top, the dovetail inlay block length on the tool bit alloy particle is half of tool bit alloy particle length.

[0007] Further, the cross section of the mounting groove comprises a spherical groove and a rectangular groove, the top of the hard alloy particle is provided with a connecting part matched with the spherical groove and the rectangular groove, the connecting part is transitionally inlaid in the mounting groove, and one end of the alloy block pressing plate is pressed on the outermost connecting part.

[0008] Further, the bottom of the matrix is provided with an embedded block, the top of the dovetail part is provided with an embedded groove matched with the embedded block, the embedded block is movably inserted into the embedded groove, and the dovetail part is provided with a locking piece for locking the embedded block.

[0009] Further, the locking piece is a countersunk screw, a plurality of first threaded holes are formed on the two sides of the dovetail part, a plurality of second threaded holes corresponding to the first threaded holes are formed on the dovetail part, and the countersunk screw is threadedly connected to the first threaded hole and the second threaded hole.

[0010] Further, the two sides of the matrix are provided with arc-shaped reinforcing ribs, and the reinforcing ribs and the matrix are in an integrated structure.

[0011] Further, the length of the mounting groove is 80-100 mm, and the mounting groove is filled with hard alloy particles.

[0012] Beneficial effects

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

[0014] The utility model discloses a replaceable hard alloy sugarcane tearing machine blade, through embedding hard alloy particles on the cutter head, the working surface of the cutter head has wear resistance and deformation resistance, effectively prolongs the service life of the blade, and wear-resistant hardfacing layers are arranged on the two sides of the cutter head and the matrix, the area of the wear-resistant surface is enlarged, the wear resistance of the cutter head is improved, the cutter head is prevented from being broken after being thinned on the two sides, the occurrence of faults is reduced, maintenance cost is reduced, the detachable hard alloy particles are convenient for replacement and maintenance, the hard alloy particles can be taken out from the mounting groove after the pressing plate screw is loosened, partial hard alloy particles that are seriously worn are replaced, integral replacement is not needed, maintenance cost is saved, the operation process is simple and convenient, the matrix and the dovetail part are detachably connected, when the cutter head is worn, the matrix can be detached to maintain the hard alloy particles of the cutter head, then the standby part is quickly installed, maintenance time is effectively reduced, maintenance efficiency is improved, production demand is guaranteed, economic loss of enterprises is reduced, and the utility model has the characteristics of convenient use and wide application range. ACCURACY

[0015] Figure 1 It is a front view structural schematic diagram of the utility model;

[0016] Figure 2 It isFigure 1 Exaggerated cross-sectional view of the embodiment 1 at A-A" ;

[0017] Figure 3 For Figure 1 Exaggerated cross-sectional view of the embodiment 2 at A-A".

[0018] Wherein: 1-mother, 2-tool bit, 3-dove tail, 4-cemented carbide particles, 5-mounting groove, 6-wear-resistant hardfacing layer, 7-alloy block pressing plate, 8-pressing plate screw, 9-first threaded hole, 10-second threaded hole, 11-embedded block, 12-embedded groove, 13-countersunk screw, 14-stiffener, 15-mounting end face, 16-dove tail inlay block, 17-connection part, 41-tool bit alloy particles, 42-universal alloy particles, 51-spherical groove, 52-rectangular groove. DETAILED DESCRIPTION

[0019] The utility model will be further explained in connection with the specific embodiments in the drawings.

[0020] Embodiment 1

[0021] Referring to Figures 1-2 As shown in the utility model discloses a replaceable cemented carbide sugarcane tearing machine blade, including tool bit 2, mother 1 and dovetail 3, the upper end of mother 1 is connected with tool bit 2, and the lower end of mother 1 is detachably connected with dovetail 3, one side of tool bit 2 is provided with mounting groove 5, a plurality of side-by-side arranged cemented carbide particles 4 are arranged on mounting groove 5, and mounting end face 15 is arranged on the top of tool bit 2; alloy block pressing plate 7 for pressing cemented carbide particles 4 is arranged on mounting end face 15; alloy block pressing plate 7 is connected with tool bit 2 through pressing plate screw 8; wear-resistant hardfacing layer 6 is arranged on the two sides of tool bit 2 and mother 1; the distance between the two wear-resistant hardfacing layers 6 is the same as the thickness of cemented carbide particles 4; by inlaying cemented carbide particles 4 on tool bit 2, the working surface of tool bit 2 has wear resistance and deformation resistance, effectively prolongs the service life of the blade, wear-resistant hardfacing layer 6 is arranged on the two sides of tool bit 2 and mother 1, the area of the wear-resistant surface is expanded, the wear resistance of tool bit 2 is improved, the tool bit 2 is prevented from breaking after being thinned on the two sides, the occurrence of failure is reduced, maintenance cost is reduced, detachable cemented carbide particles 4 are used, which is convenient for replacement and maintenance in the later period; after the pressing plate screw is loosened, the cemented carbide particles can be taken out from the mounting groove, so that the cemented carbide particles 4 that are seriously worn can be replaced, the whole is not needed to be replaced, maintenance cost is saved, the operation process is simple and convenient, the mother 1 and the dovetail 3 are detachably connected, when tool bit 2 is worn, the mother 1 can be detached to maintain the cemented carbide particles 4 of the tool bit, then the spare part is quickly installed, maintenance time is effectively reduced, maintenance efficiency is improved, production demand is guaranteed, and economic loss of enterprises is reduced.

[0022] Specifically, the cross section of the installation groove 5 is dovetail groove shape, the top of the hard alloy particles 4 is provided with dovetail inlay block 16, the dovetail inlay block 16 is inlaid in the installation groove 5, the alloy block pressing plate 7 is pressed on the outermost dovetail inlay block 16, the dovetail inlay block 16 and the installation groove 5 are connected by cooperation, which effectively prevents the hard alloy particles 4 from falling vertically from the installation groove 5, the alloy block pressing plate 7 is used to press the outer dovetail inlay block 16, which prevents the hard alloy particles 4 from falling horizontally from the installation groove 5, the installation structure is firm and reliable, and the installation method is simple and fast, the alloy block pressing plate 7 effectively improves the wear resistance of the working surface of the tool bit 2, and effectively prolongs the service life.

[0023] Preferably, the hard alloy particles 4 include tool bit alloy particles 41 and general alloy particles 42, the dovetail inlay block 16 is arranged on the top of the tool bit alloy particles 41 and the general alloy particles 42, the length of the dovetail inlay block 16 on the tool bit alloy particles 41 is half of the length of the tool bit alloy particles 41, the general alloy particles 42 are installed inside the installation groove 5, the tool bit alloy particles 41 are installed at the outermost side of the installation groove 5, and the alloy block pressing plate 7 is cooperated to protect the tool bit alloy particles 41 at the alloy block pressing plate 7, so that the structure is more compact, and the alloy block pressing plate 7 can be effectively protected, and the service life is prolonged.

[0024] Further, the bottom of the parent body 1 is provided with an embedded block 11, the top of the dovetail part 3 is provided with an embedded groove 12 matched with the embedded block 11, the embedded block 11 is movably inserted into the embedded groove 12, the dovetail part 3 is provided with a locking member for locking the embedded block 11, the parent body 1 and the dovetail part 3 are connected by the locking member, the tool bit 2 and the parent body 1 are integrated, when the tool bit 2 is worn, the parent body 1 can be disassembled to repair the hard alloy particles 4 of the tool bit, then the spare part is quickly installed, which effectively reduces the maintenance time and improves the maintenance efficiency.

[0025] Further, the locking member is a countersunk screw 13, a plurality of first threaded holes 9 are formed on both sides of the dovetail part 3, a plurality of second threaded holes 10 corresponding to the first threaded holes 9 are formed on the dovetail part 3, and the countersunk screw 13 is threadedly connected to the first threaded hole 9 and the second threaded hole 10, so that the embedded block 11 is locked in the embedded groove 12 by screwing the countersunk screw 13 into the first threaded hole 9 and the second threaded hole 10.

[0026] Further, the parent body 1 is provided with arc-shaped reinforcing ribs 14 on both sides, the reinforcing ribs 14 and the parent body 1 are integrated, which effectively strengthens the mechanical structure strength of the parent body 1 and prevents the parent body 1 from being broken.

[0027] Further, the length of the installation groove 5 is 80-100mm, the installation groove 5 is filled with hard alloy particles 4, and the hard alloy particles 4 are long enough to effectively protect the tool bit 2.

[0028] Example 2

[0029] As Figure 3 shown, the difference between the embodiment and embodiment 1 is that the cross section of the mounting groove 5 includes a spherical groove 51 and a rectangular groove 52, the top of the hard alloy particle 4 is provided with a connecting part 17 matched with the spherical groove 51 and the rectangular groove 52, the connecting part 17 is transitionally inlaid in the mounting groove 5, and one end of the alloy block pressing plate 7 is tightly pressed on the outermost connecting part 17. The hard alloy particle 4 is inlaid in the mounting groove 5 in the mode of the connecting part 17 with a spherical cross section, so that the falling phenomenon of the hard alloy particle 4 in the use process can be effectively prevented, and the installation is more stable and firm.

[0030] In use, the dovetail part 3 is clamped in the dovetail groove of the cutter roll, the hard alloy particle 4 is inlaid on the cutter head 2, the working surface of the cutter head 2 has wear resistance and deformation resistance, the service life of the cutter blade is effectively prolonged, the wear-resistant hardfacing layer 6 is arranged on both sides of the cutter head 2 and the matrix 1, the area of the wear-resistant surface is expanded, the wear resistance of the cutter head 2 is improved, the cutter head 2 is prevented from being broken after being thinned on both sides, the occurrence of faults is reduced, the maintenance cost is reduced, the detachable hard alloy particle 4 is convenient for replacement and maintenance in the later period, the hard alloy particle can be taken out from the mounting groove after the pressing plate screw is loosened, so that the hard alloy particle 4 which is seriously worn is replaced, the whole is not needed to be replaced, the maintenance cost is saved, the operation process is simple and convenient, the matrix 1 and the dovetail part 3 are detachably connected, when the cutter head 2 is worn, the matrix 1 can be detached to maintain the hard alloy particle 4 of the cutter head, then the standby part is quickly installed, the maintenance time is effectively reduced, the maintenance efficiency is improved, the production demand is ensured, and the economic loss of the enterprise is reduced. The replaceable hard alloy sugarcane tearing machine cutter blade has good wear resistance and impact resistance, effectively prolongs the service life of the tearing machine cutter, adopts a detachable mounting mode, improves the maintenance efficiency, has the characteristics of convenient use and strong practicability.

[0031] The above only describes the preferred embodiments of the utility model, and it should be noted that for those skilled in the art, without departing from the structure of the utility model, a number of modifications and improvements can be made, which will not affect the effect and practicability of the utility model.

Claims

1. A replaceable cemented carbide sugarcane defibering machine blade comprising a head (2), a matrix (1) and a dovetail (3), characterized in that, The upper end of the parent body (1) is connected with the tool head (2), the lower end of the parent body (1) is detachably connected with the dovetail part (3), one side of the tool head (2) is provided with the installation groove (5), a plurality of hard alloy particles (4) are arranged side by side on the installation groove (5), the top of the tool head (2) is provided with the installation end face (15), the installation end face (15) is provided with the alloy block pressing plate (7) for pressing the hard alloy particles (4), the alloy block pressing plate (7) is connected with the tool head (2) through the pressing plate screw (8), the tool head (2) is provided with the wear-resistant hardfacing layer (6) on both sides of the parent body (1), and the distance between the wear-resistant hardfacing layers (6) on both sides is the same as the thickness of the hard alloy particles (4).

2. A replaceable carbide sugarcane defibering machine blade according to claim 1, characterized in that, The cross section of the installation groove (5) is dovetail groove shape, the top of the hard alloy particle (4) is provided with the dovetail inlay block (16), the dovetail inlay block (16) is inlaid in the installation groove (5), and one end of the alloy block pressing plate (7) is pressed on the outermost dovetail inlay block (16).

3. A replaceable carbide sugarcane defibering machine blade according to claim 2, characterized in that, The hard alloy particle (4) includes the tool head alloy particle (41) and the general alloy particle (42), the dovetail inlay block (16) is arranged on the top of the tool head alloy particle (41) and the general alloy particle (42), and the length of the dovetail inlay block (16) on the tool head alloy particle (41) is half of the length of the tool head alloy particle (41).

4. A replaceable carbide sugarcane defibering machine blade according to claim 1, characterized in that, The cross section of the installation groove (5) includes the spherical groove (51) and the rectangular groove (52), the top of the hard alloy particle (4) is provided with the connecting part (17) matched with the spherical groove (51) and the rectangular groove (52), the connecting part (17) is transitionally inlaid in the installation groove (5), and one end of the alloy block pressing plate (7) is pressed on the outermost connecting part (17).

5. A replaceable carbide sugarcane defibering machine blade according to claim 1, characterized in that, The bottom of the parent body (1) is provided with the inlay block (11), the top of the dovetail part (3) is provided with the inlay groove (12) matched with the inlay block (11), the inlay block (11) is movably inserted into the inlay groove (12), and the dovetail part (3) is provided with the locking part for locking the inlay block (11).

6. A replaceable carbide sugarcane defibering machine blade according to claim 5, characterized in that, The locking part is the countersunk screw (13), the dovetail part (3) is provided with a plurality of first threaded holes (9) on both sides, the dovetail part (3) is provided with the second threaded hole (10) corresponding to the first threaded hole (9), and the countersunk screw (13) is threadedly connected on the first threaded hole (9) and the second threaded hole (10).

7. A replaceable carbide sugarcane defibering machine blade according to claim 1, characterized by, The both sides of the parent body (1) are provided with the arc-shaped reinforcing ribs (14), and the reinforcing ribs (14) and the parent body (1) are integrated.

8. A replaceable carbide sugarcane defibering machine blade according to claim 1, characterized by, The length of the installation groove (5) is 80-100mm, and the installation groove (5) is filled with the hard alloy particles (4).

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