CN209753054U - Fixed cutter structure for shredder cutter box - Google Patents

Abstract

The utility model provides a shredder knife case is with deciding sword structure, include the knife case curb plate that extends along the fore-and-aft direction, follow the fore-and-aft direction on the knife case curb plate and have a plurality of integral sword of deciding in proper order spaced arrangement, a plurality of integral sword of deciding forms two at least sword groups of deciding along the fore-and-aft direction, respectively decide the sword group and all include two at least integral sword of deciding, shredder knife case is with deciding sword structure and still including corresponding each fixed plate that each sword group set up, the detachable fixed connection of each integral sword of deciding is on a fixed plate, each fixed plate releasable connection fixes on the knife case curb plate. When the integral fixed cutter is replaced, the corresponding fixed plate is detached, the integral fixed cutter to be replaced is detached from the corresponding fixed plate, and the whole fixed cutter does not need to be detached, so that the maintenance of the fixed cutter structure is facilitated; in addition, the integral fixed cutter is fixed on the side plate of the cutter box through the fixing plate, so that the integral fixed cutter is more firmly fixed.

Description

Fixed cutter structure for shredder cutter box

Technical Field

The utility model relates to a shredder knife case is with fixed sword structure.

Background

The shredder is a fine crushing machine, and materials with larger sizes are processed by the shredder to become processing raw materials with smaller sizes so as to facilitate subsequent processing. The shredder comprises a rack and a crushing box body fixed on the rack, the crushing box body comprises a knife box, opposite fixed knife groups are arranged in the knife box, each fixed knife group consists of a plurality of fixed knives fixed on a side plate of the box body, and the movable knife groups are arranged between the fixed knife groups through knife shafts.

At present, the fixed cutter has two structures, one is a split type fixed cutter structure, and comprises an upper fixed cutter and a lower fixed cutter which are matched to form a fixed cutter pair, the split type structure is convenient to maintain, only the damaged fixed cutter needs to be detached and replaced, and the maintenance cost is saved; the other type is an integral fixed cutter, and the structure is convenient to install and high in strength. In addition, the fixed mode of stationary knife mainly has two kinds again, one kind is with the stationary knife welding on the fixed plate, fixes the fixed plate on the toolbox curb plate again, and this kind of mode must be dismantled the change with fixed plate and stationary knife when later stage change wearing and tearing stationary knife, and cost of maintenance is higher, and whole weight is great moreover, is not convenient for dismouting change.

Another kind is with removable assembly of stationary knife on a fixed plate, then fixes the fixed plate on the knife box curb plate, like the chinese utility model patent of the grant bulletin number CN206382089U discloses a rubbish breaker, including broken mechanism and knife box, broken mechanism moves sword and integral stationary knife including moving, moves the sword and is located between each stationary knife, is equipped with adjustment mechanism between the inner wall of stationary knife and knife box curb plate, and adjustment mechanism is the regulating plate, and the regulating plate is equipped with the stationary knife mounting groove towards moving one side interval of sword, and each stationary knife is installed in the stationary knife mounting groove that corresponds.

Although each fixed knife is movable in the fixed knife fixing mode, the fixed knife and the adjusting plate are required to be completely disassembled when the fixed knife is replaced and the abraded fixed knife is pulled out, so that the problems of high weight and inconvenience in disassembly, assembly and replacement still exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shredder is stationary knife structure for knife case for need will decide sword and regulating plate and all pull down when changing stationary knife among the solution prior art, owing to decide sword and regulating plate weight great and cause the inconvenient problem of dismantlement.

In order to achieve the above object, the utility model provides a shredder is fixed sword structure for knife case's technical scheme is:

the utility model provides a shredder is stationary knife structure for toolbox, include the toolbox curb plate that extends along the fore-and-aft direction, have along the fore-and-aft direction in proper order interval arrangement on the inside wall of toolbox curb plate be arranged in order with move a plurality of integral stationary knives of sword cooperation in order to shred the material in the sword group, a plurality of integral stationary knives form two at least stationary knife groups along the fore-and-aft direction, each stationary knife group all includes two at least integral stationary knives, shredder is shredder for the toolbox stationary knife structure still including each fixed plate that corresponds each stationary knife group setting, the detachable fixed connection of each integral stationary knife in with stationary knife group is on a fixed plate, the detachable fixed connection of each fixed plate is on the toolbox curb plate.

The beneficial effects are that: the fixed cutter group is detachably and fixedly connected to the fixed plate, the fixed plate is detachably and fixedly connected to the inner side wall of the side plate of the tool box, and the fixed plate is provided with a plurality of fixed plates on the side plate of the tool box, so that the integral fixed cutters fixed on the side plate of the tool box are divided into independent parts which are adjacently arranged through the fixed plates; in addition, the integral fixed cutter is fixed on the side plate of the cutter box through the fixing plate, which is equivalent to increase the thickness of the side plate of the cutter box, and the strength of the side plate of the cutter box is improved, so that the integral fixed cutter is more firmly fixed.

Further, the fixed cutter structure for the shredder cutter box further comprises a positioning pin for positioning and assembling all the integral fixed cutters in the same fixed cutter group on the corresponding fixing plate.

The beneficial effects are that: the integral fixed cutter is positioned and assembled on the side plate of the cutter box through the positioning pin, so that the assembly precision of the integral fixed cutter is improved.

Furthermore, each integral fixed cutter in the same fixed cutter group is detachably and fixedly connected to the corresponding fixed plate through a fixed cutter fastening bolt.

The beneficial effects are that: the detachable fixed connection of the integral fixed cutter is realized on the fixed plate through the fixed cutter fastening bolt, so that the disassembly and assembly of the integral fixed cutter are facilitated, the fixed structure of the integral fixed cutter is simplified, and the processing and the assembly are convenient.

Furthermore, each integral fixed cutter in the same fixed cutter group is provided with a threaded hole, the fixed plate is provided with a counter bore which is correspondingly communicated with the upper threaded hole of the corresponding integral fixed cutter, and the fixed cutter fastening bolt is arranged in the counter bore in a penetrating way.

The beneficial effects are that: the fixed cutter fastening bolt is penetrated in the countersunk hole, so that the surface of the fixed plate connected with the side plate of the knife box is a plane, the surface contact of the fixed plate and the side plate of the knife box is realized, and the fixed connection of the fixed plate is facilitated.

Furthermore, each fixing plate is detachably and fixedly connected to the inner side wall of the side plate of the knife box through a fixing plate fastening bolt.

The beneficial effects are that: through bolted connection fixed plate and knife case curb plate, make things convenient for the dismouting of fixed plate, simplified the fixed knot of fixed plate and constructed, convenient processing and assembly.

drawings

FIG. 1 is a schematic structural view of the fixed knife structure of the shredder case showing the cooperation of the integral fixed knife and the movable knife;

FIG. 2 is a schematic structural view of the integrated stationary knife of FIG. 1 mounted on a side plate of a knife box;

Description of reference numerals: 1-cutter shaft; 2-fixing plate fastening bolts; 3-integral fixed cutter; 4-fixing a cutter fastening bolt; 5, fixing a plate; 6-positioning pins; 7-a side plate of the knife box; 8-moving blade.

Detailed Description

The following describes the embodiment of the fixed knife structure for the knife box of the shredder with reference to the drawings.

The utility model discloses a shredder is concrete embodiment of stationary knife structure for knife case, as shown in fig. 1 and fig. 2, include the knife case curb plate that extends along the fore-and-aft direction, along a plurality of fixed plates of detachable fixedly connected with 5 of fore-and-aft direction on the corresponding lateral wall of knife case curb plate 7, correspond detachable fixedly connected with stationary knife group on each fixed plate 5, same stationary knife group includes two at least integral stationary knives 3 that set up along the fore-and-aft direction interval in proper order, when being used for at the time of shredder for knife structure mounting in the knife case for the shredder, with the sword 8 cooperation shredding material that moves in the knife case, move the sword group and install on arbor 1, each integral stationary knife 3 is located between arbor 1 and the knife case curb plate 7, the cooperation is installed and is moved sword 8 in arbor 1 with the shredding material.

Specifically, the integral fixed cutter 3 is an integral plate-shaped structure, the upper end surface and the lower end surface of the integral fixed cutter 3 are inclined surfaces, the upper end surface inclines downwards from left to right, the lower end surface inclines upwards from left to right, the right end surface of the integral fixed cutter 3 is composed of a vertical surface and an arc surface, the vertical surface is connected with the upper end surface, and is tangent with the peripheral surface of the cutter shaft 1, the arc surface is in smooth transition connection with the vertical surface, the arc surface is matched with the peripheral surface of the cutter shaft 1, the left end surface of the integral fixed cutter 3 is a vertical plane, the integral fixed cutter 3 is conveniently connected with the corresponding fixed plate 5, two threaded holes and two positioning holes are formed in the left end face, the two threaded holes are located at the upper end and the lower end of the left end face of the integral fixed cutter 3 respectively, and the two positioning holes are located between the two threaded holes so that the integral fixed cutters 3 and the corresponding fixing plates 5 can be fixedly connected and positioned.

The fixing plates 5 are rectangular plates, each fixing plate 5 is provided with a counter bore and a positioning matching hole, the counter bores and the positioning matching holes penetrate through the fixing plates 5, the positioning matching holes correspond to the positioning holes in the integral fixed cutter 3, and the counter bores correspond to the threaded holes in the integral fixed cutter 3; the fixing plate 5 is further provided with threaded holes which are arranged at intervals with the counter bores in the front-back direction, the threaded holes in the fixing plate 5 are used for being correspondingly connected with the threaded holes in the knife box side plate 7, and the number of the threaded holes in the fixing plate 5 is not limited.

Be equipped with the screw hole that runs through knife box curb plate 7 on the inside wall of knife box curb plate 7, screw hole on the knife box curb plate 7 corresponds with the screw hole on each fixed plate 5 for realize with the removable fixed connection of fixed plate 5, specific quantity is confirmed according to the quantity of fixed plate 5, does not do the injecing here.

When the integral fixed knives 3 are assembled in the side plates 7 of the knife box, the positioning pins 6 are firstly penetrated in the positioning holes and the positioning matching holes so as to position and assemble each integral fixed knife 3 in the same fixed knife group on the corresponding fixing plate 5, then each integral fixed knife 3 is detachably fixed on the corresponding fixing plate 5 through the fixed knife fastening bolts 4, and at the moment, the integral fixed knives 3 are in surface contact with the fixing plate 5; the integral fixed knives 3 on the same fixing plate 5 are sequentially arranged at intervals in the front-back direction, corresponding fixed knife groups are formed on the fixing plates 5, the fixed plate 5 and the integral fixed knives 3 which are fixed are installed on the knife box side plate 7 through the fixing plate fastening bolts 2, and the integral fixed knives 3 are fixedly installed at the moment. When the integral fixed cutter is replaced, which integral fixed cutter is damaged, the corresponding fixing plate 5 is disassembled, and the damaged integral fixed cutter is taken down for replacement. In the present embodiment, the side plates of the magazine are finally formed into four stationary blade groups in the front-rear direction by a plurality of integral stationary blades 3.

In this embodiment, the positioning pins are arranged on the corresponding side walls of the side plates of the knife box, and in other embodiments, the positioning pins are not required, which may affect the assembly accuracy of the integral fixed knife.

In this embodiment, the integral fixed knives are fixedly connected to the fixed plate through the fixed knife fastening bolts, in other embodiments, a groove may be formed on the back side of the integral fixed knives, the integral fixed knives are connected in series through the fixed plate passing through the groove, or a fixed knife mounting groove is formed on the fixed plate, and the integral fixed knives are detachably and fixedly assembled in the fixed knife mounting groove of the fixed plate.

In this embodiment, a countersunk hole is formed in the fixing plate, a threaded hole is formed in the integral fixed cutter, in other embodiments, a countersunk hole may be formed in the integral fixed cutter, a threaded hole is formed in the fixing plate at a position corresponding to the countersunk hole of each integral fixed cutter, and a bolt head of the fixed cutter fastening bolt is located in a hole section of the countersunk hole.

In this embodiment, the fixed plate passes through fixed plate fastening bolt fixed connection on the knife box curb plate, in other embodiments, can set up the draw-in groove on the fixed plate, set up on the inside wall of knife box curb plate with the fixture block of draw-in groove adaptation, realize the fixed connection of fixed plate and knife box curb plate.

Claims (5)

1. The utility model provides a shredder is stationary knife structure for knife case, includes the knife case curb plate that extends along the fore-and-aft direction, has a plurality of integral stationary knives that move the sword cooperation in order to shred the material, its characterized in that along fore-and-aft direction interval arrangement in proper order on the corresponding lateral wall of knife case curb plate for with move in the knife tackle: a plurality of integral stationary knives form two at least stationary knife groups along the fore-and-aft direction, and each stationary knife group all includes two at least integral stationary knives, and shredder knife case is with stationary knife structure still including corresponding each fixed plate that each stationary knife group set up, with the removable fixed connection of each integral stationary knife in the stationary knife group on a fixed plate, the removable fixed connection of each fixed plate is in on the knife case curb plate.

2. The fixed knife structure for the shredder basket according to claim 1, wherein: the fixed cutter structure for the shredder cutter box further comprises positioning pins for positioning and assembling all the integral fixed cutters in the same fixed cutter group on the corresponding fixing plates.

3. The fixed knife structure for the shredder blade case according to claim 1 or 2, wherein: each integral fixed cutter in the same fixed cutter group is detachably and fixedly connected to the corresponding fixed plate through a fixed cutter fastening bolt.

4. The fixed knife structure for the shredder basket according to claim 3, wherein: each integral fixed cutter in the same fixed cutter group is provided with a threaded hole, the fixed plate is provided with a counter bore which is correspondingly communicated with the upper threaded hole of the corresponding integral fixed cutter, and the fixed cutter fastening bolt is arranged in the counter bore in a penetrating way.

5. The fixed knife structure for the shredder blade case according to claim 1 or 2, wherein: each fixing plate is detachably and fixedly connected to the inner side wall of the side plate of the knife box through a fixing plate fastening bolt.