JP5261472B2 - Crusher - Google Patents

Description

  The present invention relates to a pulverizer that facilitates cleaning of crushed pieces, shortens the cleaning time, and prevents the crushed pieces from remaining.

  In order to solve problems such as environmental pollution and an increase in industrial waste, the formation of a recycling society has become increasingly important. For example, in a molding plant that manufactures molded products or molded parts using synthetic resins typified by plastics, unnecessary parts called sprue runners or molding defects that occur during molding are collected to reuse the resources of resin materials. It is done to improve the rate.

  For recycling the resin material, the collected sprue runner is made into a pulverized piece of a predetermined size by a pulverizer and used as a recycling resource. In order to make it easier for the sprue runner introduced from the feeding hopper to bite into the crushing blade, such a crusher is first crushed with a crushing blade, and the crushed material is crushed into crushed pieces of a predetermined particle shape with the crushing blade. doing. A single-shaft crusher with a crushing blade and a crushing blade fixed to one rotating shaft has few drive parts that drive the rotating shaft and has a simple structure, so it can be used in many offices aiming for recycling in the factory. Has been.

  On the other hand, when changing the material to be crushed, it is necessary to clean the crushed pieces remaining in the pulverizer every time the material is changed so that different materials are not mixed. The crushed pieces can be found in various locations, such as the gaps between the pulverizing blades with complicated shapes, the surroundings of the crushed blades, and the inside of the crushed blade cover that prevents the material crushed by the crushed blades from being discharged. Therefore, in order to clean the inside of the pulverizer, it is necessary to remove the coarse pulverization blade and the pulverization blade and perform disassembly and cleaning, which requires time for the cleaning operation and is difficult to clean. Therefore, in order to shorten the cleaning time and facilitate the cleaning operation, a pulverizer having a double-open structure on a pair of surfaces of the casing body covering the pulverization blade and the pulverization blade has been commercialized.

  FIG. 10 is a schematic diagram of a main part viewed from the side of a conventional pulverizer. The pulverizer has a substantially box structure, and a pair of fixed side walls 52, 52 are spaced apart from each other at a position opposite to each other in a substantially box shape. Is pivoted. A plurality of crushing blades 54 are fitted to the rotation shaft 60 at a predetermined interval and arrangement, and the crushing blades 56, between the fixed side wall 52 and the crushing blades 54, and between the crushing blades 54, ... are fitted in multiple numbers. In addition, the track | orbit of the front-end | tip part of the coarse crushing blade 54 and the crushing blade 56 is shown with the broken line in the figure. A pair of oscillating side walls 53, 53 are arranged so as to be able to oscillate around oscillating shafts 62, 62 parallel to the rotating shaft 60 at the other opposing position of the substantially box. Each fixed side wall 52 and each swing side wall 53 constitute a casing.

  Inside one swinging side wall 53, a fixed blade 57 composed of a plurality of first fixed blades 57a,... The first fixed blade 57 a pulverizes the sprue runner into a pulverized piece of a predetermined grain shape mainly in cooperation with the pulverizing blade 56, and the second fixed blade 57 b pulsates the sprue runner into the pulverizing blade 56 in cooperation with the coarse crushing blade 54. Make it easy to bite. Further, a crushing blade cover 61 that prevents the material crushed by the crushing blade 54 from being discharged is provided inside the swing side wall 53. The crushing blade cover 61 forms an arc-shaped space on the inner side so as to cover the rotation trajectory of the crushing blade 54. Inside the other oscillating side wall 53, a scraper 55 is fixed at a predetermined position and a coarse crushing blade cover 61 is provided so as to scrape and discharge the crushed pieces crushed by the crushing blade 56.

  By holding the handle 64 and rotating the swing side wall 53 around the swing shaft 62 and closing it, the contact surfaces 61 a of the crushing blade covers 61 come into contact with each other, and the material roughly crushed by the crushing blade 54 is obtained. Prevent it from being discharged. Further, by rotating the swing side wall 53 around the swing shaft 62 and supporting the swing side wall 53 with the support member 63, the casing body has a double-open structure. Thereby, cleaning can be performed without removing the crushing blade 54 and the crushing blade 56 and disassembling them.

Further, the crushing blade cover is separated into a crushing blade cover fixed to the swinging side wall and a crushing blade casing which can be attached to and detached from the swinging side wall. A chopping machine (pulverizer) that can be easily maintained has been commercialized by disposing the member) below the rotary shaft and supporting the crushing blade casing with a clamp cam. (See Patent Document 1).
Japanese Patent No. 3966892

  However, in the conventional crusher, the crushing blade and the crushing blade cover interfere with each other even when the swing side wall is opened, so that the crushing blade and the crushing blade are rotated 360 degrees for cleaning. Furthermore, since the crushing blade and the gap between the crushing blade and the crushing blade cover are small on the lower side of the rotating shaft, there are places where cleaning is difficult.

  Further, in the shredding machine (pulverizer) of Patent Document 1, a part of the coarse blade cover (coarse blade casing) is detachable, so that the workability of cleaning is improved, but the grinder In the type with a large output, the crushing blade casing becomes larger and the weight also increases, so that it may be difficult to attach and detach the crushing blade casing. Also, because the crushing blade casing is removed during cleaning, if you accidentally forget to install the crushing blade casing and operate the device, the material that has been crushed by the crushing blade and not crushed to a predetermined size There was also the possibility of being discharged.

  The present invention has been made in view of such circumstances, and facilitates cleaning of the crushed pieces without shortening the crushed blade casing, shortening the cleaning time, and preventing the crushed pieces from remaining. An object of the present invention is to provide a pulverizer that can be used.

  Another object of the present invention is to provide a pulverizer capable of increasing rigidity.

  Another object of the present invention is to provide a pulverizer that can further facilitate the cleaning of the pulverized pieces.

  Another object of the present invention is to facilitate the cleaning of the crushed pieces, shorten the cleaning time and prevent the crushed pieces from remaining, even when the upper box-like body is provided with a rough crushed blade cover. An object of the present invention is to provide a pulverizer that can perform the above-described process.

A pulverizer according to a first aspect of the present invention includes a rotary shaft that is rotatably mounted on a bearing and has a rotary blade attached thereto, and a fixed blade that engages with the rotary blade, and the cooperation between the rotary blade and the fixed blade. In a pulverizer for pulverizing an object to be processed, an upper box-like body swingable around a support shaft arranged in parallel to the rotation shaft on one side of the rotation shaft, and the support shaft or the support shaft A lower box-like body provided in the vicinity and swingable about a support shaft parallel to the support shaft, the upper box-like body having a space with an upper surface and a lower surface opened inside, and the rotation The rotation shaft is arranged so that a part of the rotation trajectory of the blade is located in the space, and the rotation blade includes an arc-shaped crushing blade and a crushing blade having a serrated outer peripheral surface, The upper box-shaped body has a fixed blade inside, and is configured to open above the rotary blade when swung upward. The lower box-like body is provided with a crushing blade groove provided along the rotation trajectory of the crushing blade and a discharge port for discharging the crushed workpiece, and swings downward. If the downward rotary blades configured to open tare is, the bearing is fixed, further comprising a housing which is provided along the rotation axis on the side of the rotary shaft, wherein the upper box-shaped The body and the lower box-shaped body are configured to sandwich the housing when both the box-shaped bodies are closed, and the force applied to the upper box-shaped body by the force acting on the fixed blade from the rotary blade configure to receive in the housing and wherein the tare Rukoto.

Milling machine according to the second invention, in the first invention, wherein the housing is characterized by obtaining Bei the cracking blades groove provided along the rotation orbit of the cracking blades inside.

  The pulverizer according to a third aspect of the present invention is the pulverizer according to the first aspect, wherein when the upper box-shaped body and the lower box-shaped body are closed, the lower surface of the upper box-shaped body is the upper surface of the lower box-shaped body. It is comprised so that it may contact | abut.

  The crusher according to a fourth aspect of the present invention is the crushing blade groove according to any one of the first to third aspects, wherein the upper box-like body is provided on the inner side along the rotation path of the crushing blade. Is further provided.

  In the first invention, the upper box-like body can swing around a support shaft arranged in parallel with the rotation shaft on one side of the rotation shaft, and the space in which the upper surface and the lower surface are opened is inside. The rotating shaft is arranged so that a part of the rotating track of the rotary blade is located in the space. When the upper box-shaped body is opened upward, the upper part of the rotary blade can be opened. The lower box-like body is provided near the support shaft of the upper box-like body or in the vicinity of the support shaft, and can swing around another support shaft parallel to the support shaft, and opens below the rotary blade. The lower box can be opened as follows. When both the box-shaped bodies are closed and the pulverizer is operated, the crushing blade groove (crushed blade cover) provided in the lower box-shaped body is crushed by the crushing blade and not yet finely crushed. Prevents things from being discharged. Further, the crushed pieces crushed to a predetermined size (grain shape) by the pulverizing blade are discharged from an outlet provided in the lower box-shaped body.

When both the box-shaped bodies are opened from the closed state, the both box-shaped bodies open around the support shaft arranged on one side of the rotation shaft, so that the opposite side of the rotation shaft (other than the rotation shaft) There is nothing on the side) that can be shielded during cleaning. By opening the lower box-shaped body located below the rotary blade, it becomes easier to clean the crushed pieces in the crushing blade groove (crushing blade cover) of the lower box-shaped body and shortens the cleaning time. , The remaining of the crushed pieces can be prevented. In addition, in the conventional configuration in which the rocking walls are opened on both sides of the rotating shaft, it is necessary to secure a space for cleaning on both sides of the crusher. Since it is the structure which opens only to one side, it is sufficient to ensure the space for cleaning only on one side of the pulverizer, and the cleaning space can be reduced. Moreover, a bearing is fixed and the housing | casing provided along the rotating shaft on the side of the rotating shaft is provided. The upper box-shaped body and the lower box-shaped body can be closed so as to sandwich the casing, and the casing forms an intermediate casing. By providing the intermediate casing, the force applied to the upper box-like body by the force acting on the fixed blade from the rotary blade during operation of the pulverizer can be received by the intermediate casing, and the rigidity of the pulverizer can be increased. .

In the second aspect, the housing is provided with a cracking blades groove provided along the rotation orbit of the cracking blades inside. Lower section box-like body, since the opening at the lower side of the intermediate housing to facilitate cleaning of the pulverized pieces in cracking blades groove of the lower box-like body (cracking blades cover), as well as shorten the cleaning time, Residue of the crushed pieces can be prevented.

  In the third invention, the upper box-shaped body and the lower box-shaped body are configured such that the lower surface of the upper box-shaped body comes into contact with the upper surface of the lower box-shaped body when both the box-shaped bodies are closed. . This configuration eliminates the need for an intermediate housing that is sandwiched between the upper box-like body and the lower box-like body, so that when the upper box-like body and the lower box-like body are opened, all the coarse blade covers are placed inside. It can be easily accessed, the cleaning of the crushed pieces can be further facilitated, the cleaning time can be shortened, and the remaining of the crushed pieces can be prevented.

  In the fourth invention, the upper box-like body further includes a crushing blade groove provided on the inner side along the rotation path of the crushing blade. Even if the upper box-shaped body is provided with a crushing blade groove (crushing blade cover) by opening the upper box-shaped body arranged on the upper side of the rotary blade, crushing in the crushing blade groove The cleaning of the pieces can be facilitated, the cleaning time can be shortened, and the remaining crushed pieces can be prevented.

  In the present invention, the lower box-like body arranged below the rotary blade opens, thereby facilitating cleaning of the crushed pieces in the crushing blade groove (crushed blade cover) of the lower box-like body. In addition to shortening the cleaning time, it is possible to prevent the crushed pieces from remaining. In addition, in the conventional configuration in which the rocking walls are opened on both sides of the rotating shaft, it is necessary to secure a space for cleaning on both sides of the crusher. Since it is the structure which opens only to one side, it is sufficient to ensure the space for cleaning only on one side of the pulverizer, and the cleaning space can be reduced.

Further, the upper part box-like body and the lower box-shaped body, can be closed so as to sandwich the housing, the force applied to the upper box-like body by a force acting on the fixed blade from the rotary blade during operation of the crusher It can be received by the casing, and the rigidity of the pulverizer can be increased.

  Further, in the present invention, since the casing sandwiched between the upper box-shaped body and the lower box-shaped body is not necessary, all the crushing blades are opened when the upper box-shaped body and the lower box-shaped body are opened. The inside of the cover can be easily accessed, the cleaning of the crushed pieces can be further facilitated, the cleaning time can be shortened, and the remaining of the crushed pieces can be prevented.

  Further, in the present invention, even if the upper box-like body is provided with a roughing blade cover, it facilitates cleaning of the crushed pieces in the groove for roughing blades, shortens the cleaning time, and pulverizes. The residue of a piece can be prevented.

It is the principal part schematic diagram seen from the upper surface of the grinder which concerns on this invention. It is an external appearance perspective view of the state which closed the box-shaped object of the crusher concerning the present invention. It is the principal part schematic diagram seen from the side surface of the state which closed the box-shaped body of the grinder which concerns on this invention. It is an external appearance perspective view of the state which opened the box-shaped object of the crusher concerning the present invention. It is the principal part schematic diagram seen from the side surface of the state which opened the box-shaped body of the grinder which concerns on this invention. It is the principal part schematic diagram seen from the side surface of the state which closed the box-shaped body of the grinder of Embodiment 2. FIG. It is the principal part schematic diagram seen from the side surface of the state which opened the box-shaped body of the grinder of Embodiment 2. FIG. It is the principal part schematic diagram seen from the side surface of the state which closed the box-shaped body of the grinder of Embodiment 3. FIG. It is the principal part schematic diagram seen from the side surface of the state which opened the box-shaped body of the grinder of Embodiment 3. FIG. It is a principal part schematic diagram seen from the side of the conventional grinder.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Upper box-shaped body 2 Intermediate housing 3 Lower box-shaped body 4 Rough crushing blade 5 Scraper 6 Grinding blade 7 Fixed blade 7a First fixed blade 7b Second fixed blade 8 Bolt 9 Support base 10 Bearing 11 Electric motor 12 Lever 12a Handle 12b Prop 13, 14 Support shaft 15, 16 Bracket 17 Rotating shaft 18, 21, 31 Crush blade cover
19 Space 32 Discharge port 33 Storage space 40 Fixed side wall 41 Fixed shaft

Embodiment 1
Hereinafter, the present invention will be described with reference to the drawings illustrating embodiments thereof. FIG. 1 is a schematic view of a main part viewed from the top of a crusher according to the present invention, FIG. 2 is an external perspective view of the crusher according to the present invention in a closed state, and FIG. FIG. 4 is a schematic diagram of a main part viewed from a side surface in a state in which the box-like body of the pulverizer according to the present invention is closed, and FIG. These are the principal part schematic diagrams seen from the side surface of the state which opened the box-shaped body of the grinder which concerns on this invention. In FIG. 1, 9 is a metal support with an open central portion. On the upper surface of the support base 9, a box shape with upper and lower parts opened at substantially the same position as the opening of the support base 9 is formed, and a metal intermediate casing 2 is fixed. A bearing 10 is attached to a substantially central portion of one side surface of the intermediate casing 2, and an electric motor 11 having a speed reducer is attached to the other side surface, and the rotation is interlocked with the motor shaft of the electric motor 11. A shaft 17 is attached to the bearing 10.

  Inside the intermediate housing 2, coarse crushing blades 4, 4 and crushing blades 6, 6, 6 fitted to the rotary shaft 17 are accommodated. The crushing blades 4 and 4 have a blade portion extending in the radial direction, and a tip portion (blade edge portion) of the blade portion has an arc shape that is curved in the rotation direction. In addition, the shape of the crushing blade 4 is not limited to this. The rough crushing blades 4 and 4 are arranged at an appropriate distance in the axial direction of the rotary shaft 17. The crushing blades 6, 6, 6 are arranged between the intermediate casing 2 and the crushing blade 4 and between the crushing blades 4, 4, and annular grooves are formed at predetermined intervals in the rotation axis direction, adjacent to each other. The outer peripheral surface of the annular protrusion between the annular grooves is formed in a sawtooth shape.

  Crushing blade covers 21 and 21 are provided on the inner side of the intermediate housing 2 in order to prevent discharge of an object to be processed that has not been finely crushed by the crushing blades 4 and 4. . Each crushing blade cover 21 is arc-grooved on the inner side so as to cover the rotation path of the crushing blades 4 and 4.

  The upper box-like body 1 is a metal box-like body that is disposed on the upper side of the intermediate housing 2. The upper box-like body 1 has a space 19 whose upper surface and lower surface are open on the inner side, and a part of the rotation trajectory of each crushing blade 4 and each crushing blade 6 is located in the space 19. The upper box-like body 1 can swing around a support shaft 13 disposed in parallel to the rotation shaft 17 on one side of the rotation shaft 17, and each coarse crushing blade 4 can be opened by opening the upper box-like body 1. The upper part of each crushing blade 6 can be opened. Inside the upper box-like body 1, rectangular plate-like first fixed blades 7a and second for pulverizing an object to be processed (sprung runners) in cooperation with the crushing blades 4 and the crushing blades 6 are provided. The fixed blade 7 integrated with the fixed blade 7b is fixed to the inner side of the upper box-like body 1 with bolts 8,... So as to incline downward toward the inner side.

  The first fixed blade 7 a has a longitudinal dimension substantially the same as the axial dimension of the grinding blade 6, and one edge on the long side is formed in an uneven shape so as to mesh with the cutting edge of the grinding blade 6. It has a tooth part. In addition, a tooth portion for pulverizing the object to be processed is formed on the edge portion on the short side of the first fixed blade 7 a and close to the crushing blade 4 in cooperation with the crushing blade 4.

  The second fixed blade 7b has a blade length that is about the thickness of the coarse crushing blade 4 and a tooth portion that crushes the object to be processed by cooperation with the coarse crush blade 4 at a location close to the coarse crush blade 4. Forming. In addition, you may comprise the 1st fixed blade 7a and the 2nd fixed blade 7b separately instead of integral.

  A crushing blade cover is provided on the lower side of the fixed blade 7 attached to the upper box-like body 1 in order to prevent discharge of a material that is roughly crushed by each crushing blade 4 and is not finely crushed. 18 and 18 are provided. Each crushing blade cover 18 is arc-grooved on the inner side so as to cover the rotation trajectory of each crushing blade 4.

  Inside the upper box-like body 1, the crushed pieces crushed to a predetermined size (grain shape) by each of the pulverizing blades 6 are scraped off so as to face the fixed blades 7, and a discharge port on the lower side of the pulverizer A substantially rectangular plate-shaped scraper 5 for discharging to (not shown) is fixed by bolts 8, 8, 8 so as to incline downward toward the inside.

  The scraper 5 is formed with a rectangular cut at a portion where each crushing blade 4 rotates, and is provided on one side of the long side and at a location close to each crushing blade 6. The scraping part formed in the uneven | corrugated shape is formed so that it may mesh | engage with the blade edge.

  A crushing blade cover is provided on the lower side of the scraper 5 attached to the upper box-like body 1 in order to prevent discharge of workpieces that have been crushed by each crushing blade 4 and have not yet been finely crushed. 18 and 18 are provided. Each crushing blade cover 18 is arc-grooved on the inner side so as to cover the rotation trajectory of each crushing blade 4.

  The lower box-shaped body 3 is disposed on the lower side of the intermediate casing 2 and is a metal box-shaped body. The lower box-shaped body 3 can swing around the support shaft 14 disposed in the vicinity of the lower side of the support shaft 13 and in parallel with the support shaft 13. By opening the lower box-shaped body 3, the crushing blade 4, The lower part of the blade 6 can be opened. The lower box-shaped body 3 is housed in a box-shaped housing space 33 formed on the lower surface of the intermediate housing 2 in a closed state.

  The lower box-shaped body 3 is provided with coarse crushing blade covers 31 and 31 to prevent discharge of an object to be processed that has been coarsely crushed by the crushing blades 4 and has not yet been finely crushed. Each crushing blade cover 31 is formed with an arcuate groove on the inner side so as to cover the rotation trajectory of each crushing blade 4.

  In the lower box-shaped body 3, the crushed pieces crushed to a predetermined size (grain shape) by the pulverizing blades 6 are placed on the lower side of the pulverizer at positions facing the pulverizing blades 6 in the closed state. Discharge ports 32, 32, 32 for discharging are formed.

  A bracket 16 to which one end of a support column 12b is rotatably attached is fixed to the side surface of the lower box-shaped body 3 opposite to the support shaft 14. A handle 12a is screwed to the other end of the support 12b, and the handle 12a and the support 12b constitute a lever 12. For example, by rotating the handle 12a clockwise, the handle 12a moves toward the bracket 16 along the support column 12b.

  A bracket 15 having a recess 15a for holding the column 12b is fixed to the side surface of the upper box 1 opposite to the support shaft 13.

  When closing the upper box-shaped body 1 and the lower box-shaped body 3, the lower surface of the upper box-shaped body 1 is brought into contact with the upper surface of the intermediate housing 2, and the lower box-shaped body 3 is placed in the accommodation space 33 of the intermediate housing 2. The upper surface of the lower box-shaped body 3 is brought into contact with the lower surface of the intermediate housing 2. In this state, the support column 12b is clamped by the recess 15a of the bracket 15. By rotating the handle 12a clockwise, the lower surface of the handle 12a is pressed against the upper surface of the bracket 15, and the upper box 1 and the lower box 3 are fixed so as to sandwich the intermediate casing 2.

  With the upper box 1 and the lower box 3 closed, each crushing blade cover 18 provided on the upper box 1, each crushing blade cover 21 provided on the intermediate housing 2, and the lower Each crushing blade cover 31 provided on the box-shaped body 3 has a continuous arc shape in a portion excluding the space 19 of the upper box-shaped body 1 and covers the rotation trajectory of each crushing blade 4. Further, by providing the intermediate housing 2, the force applied to the upper box-like body 1 by the force acting on the fixed blade 7 from each of the crushing blades 4 and each of the crushing blades 6 during operation of the crusher is received by the intermediate housing 2. And the rigidity of the grinder can be increased.

  When opening the upper box-like body 1 and the lower box-like body 3, the handle 12a is separated from the bracket 15 by turning the handle 12a counterclockwise, and the lever 12 is operated downward to move the lower box-like body. 3 can be rotated downward around the support shaft 14. Further, the upper box-like body 1 can be rotated upward around the support shaft 13. In addition, when opening the upper box-shaped body 1 and the lower box-shaped body 3, the control member which controls rotation so that it may fix in a predetermined position can be provided suitably. In this case, as shown in FIG. 5, for example, the upper box-shaped body 1 can swing about 90 degrees, and the lower box-shaped body 3 can swing about 45 degrees, but can swing. The angle is not limited to this.

  When the object to be processed is pulverized, the upper box 1 and the lower box 3 are closed and the handle 12a is turned and fixed. When an object to be processed is put into a charging hopper (not shown) arranged at the upper part of the upper box-shaped body 1 and the electric motor 11 is turned on, the rotating shaft 17 rotates at a predetermined rotational speed, and each coarse crushing is performed. The blade 4 and each grinding blade 6 rotate. The rotation direction is a direction in which each of the crushing blades 4 and each of the crushing blades 6 is engaged with the fixed blade 7 from the upper side to the lower side and is engaged with the scraper 5 from the lower side to the upper side.

  As a result, the object to be treated is first roughly crushed by the cooperation of each crushing blade 4 and the fixed blade 7, and is chopped into sizes that can easily bite into each crushing blade 6. The roughly crushed object to be processed is pulverized into pulverized pieces of a predetermined size by the cooperation of the pulverizing blades 6 and the first fixed blades 7 a, and the lower box-shaped body 3 is rotated with the rotation of the pulverizing blades 6. Are discharged from the discharge ports 32. Further, among the crushed pieces crushed to a predetermined size, those adhering to the side surface of the pulverizing blade 6 due to static electricity are scraped off on the lower surface of the scraper 5 by the cooperation of the pulverizing blade 6 and the scraper 5, and the discharge port 32, ... are discharged.

  A part of the workpiece to be crushed by each crushing blade 4 is sent to the lower side of the fixed blade 7 by the rotation of the crushing blade 4, but each crushing blade cover 18 having a continuous arc shape, 21 and 31 and is sent again to the upper side of each crushing blade 6 and is prevented from being accidentally discharged from the discharge ports 32.

  As shown in FIG. 5, in the state in which the upper box-like body 1 and the lower box-like body 3 are opened, not only above each crushing blade 4 and each crushing blade 6 but also below, the lower crushing blade 4 is opened. The cutting edge and the roughing blade covers 18 and 31 do not interfere with each other. Further, the crushed pieces remaining around each crushing blade 4, each crushing blade 6, fixed blade 7, etc. or around the cutting edge, scraper 5, and inside the crushing blade covers 18, 31 can be easily removed. In addition to shortening the cleaning time, it is possible to prevent the crushed pieces from remaining. Also, the crushed pieces remaining inside the coarse blade cover 21 of the intermediate casing 2 can be easily removed by injecting compressed air such as an air gun because the grooves of the coarse blade cover 21 form a substantially vertical direction. Can do. Moreover, since the lower box-shaped body 3 can also open the lower part of each crushing blade 4 and each crushing blade 6, it is not necessary to make a crushing blade cover into a detachable system conventionally. Furthermore, opening the upper box-shaped body 1 facilitates cleaning of the crushed pieces remaining inside the coarse crushing blade cover 18 of the upper box-shaped body 1, shortens the cleaning time, and prevents the crushed pieces from remaining. Can do.

  This facilitates cleaning of the crushed pieces, shortens the cleaning time, and prevents the crushed pieces from remaining. In particular, when a molding factory is performing the molding process, crushing process, recycling process, etc. in an integrated system, every time the parts to be produced are changed, the crushed pieces remaining in the crusher are removed. The present invention, which needs to be completely removed and can completely clean the remaining crushed pieces in a short time, can increase the production capacity of the entire production process, and has an excellent effect. Furthermore, since the detachable rough crushing blade cover is not required, a clamp cam for supporting the crushing blade cover is not required, and the number of parts can be reduced. Further, even when the apparatus is enlarged, the work for removing the heavy rough crushing blade cover becomes unnecessary, and the workability is improved.

  Furthermore, according to the present invention, the upper box-like body 1 and the lower box-like body 3 open around the support shafts 13 and 14, respectively, so that the rotation shaft 17 is opposite to the support shafts 13 and 14 (the rotation shaft 17). On the other side) there is nothing that can be shielded during cleaning. For this reason, in the conventional structure in which the box-shaped body is opened on both sides with respect to the rotating shaft, it is necessary to secure a space for cleaning on both sides of the pulverizer. Since the box-shaped body 3 is configured to open only on one side of the rotating shaft 17, it is only necessary to secure a space for cleaning on one side of the pulverizer, and the cleaning space can be reduced.

Embodiment 2
In the first embodiment described above, the upper box-shaped body 1 is configured to swing around the support shaft 13 and the lower box-shaped body 3 is configured to swing around the support shaft 14, that is, configured to swing by the two support shafts. However, the present invention is not limited to this, and the upper box-like body and the lower box-like body may be swung around one support shaft.

  FIG. 6 is a schematic diagram of a main part viewed from a side surface in a state in which the box-like body of the crusher according to the second embodiment is closed, and FIG. 7 is a side view in a state in which the box-like body of the crusher in the second embodiment is opened. It is the principal part schematic diagram seen from. As shown in FIGS. 6 and 7, in the second embodiment, the support shaft 14 does not exist, and the upper box-like body 1 and the lower box-like body 3 are configured to swing around the support shaft 13, respectively. It is.

  The same parts as those in the first embodiment are denoted by the same reference numerals and the description thereof is omitted. In the second embodiment, since one support shaft can be provided, the number of parts can be reduced, and the structure of the pulverizer can be simplified. Further, as in the case of the first embodiment, the crushed pieces are easily cleaned, the cleaning time is shortened, and the crushed pieces are prevented from remaining. In particular, when a molding factory is performing the molding process, crushing process, recycling process, etc. in an integrated system, every time the parts to be produced are changed, the crushed pieces remaining in the crusher are removed. The present invention, which needs to be completely removed and can completely clean the remaining crushed pieces in a short time, can increase the production capacity of the entire production process, and has an excellent effect. Furthermore, since the detachable rough crushing blade cover is not required, a clamp cam for supporting the crushing blade cover is not required, and the number of parts can be reduced. Further, even when the apparatus is enlarged, the work for removing the heavy rough crushing blade cover becomes unnecessary, and the workability is improved.

  Further, since the upper box-like body 1 and the lower box-like body 3 open around the support shaft 13, the side opposite to the support shaft 13 with respect to the rotation shaft 17 (the other side of the rotation shaft 17) is cleaned. There is no such thing as shielding. For this reason, in the conventional structure in which the box-shaped body is opened on both sides with respect to the rotating shaft, it is necessary to secure a space for cleaning on both sides of the pulverizer. Since the box-shaped body 3 is configured to open only on one side of the rotating shaft 17, it is only necessary to secure a space for cleaning on one side of the pulverizer, and the cleaning space can be reduced.

Embodiment 3
In the above-described embodiment, the intermediate housing 2 is provided. However, the present invention is not limited to this, and the intermediate housing 2 may be omitted.

  FIG. 8 is a schematic diagram of a main part viewed from the side face of the crusher of the third embodiment when the box-like body is closed, and FIG. 9 is a side view of the crusher of the third embodiment when the box-like body is opened. It is the principal part schematic diagram seen from. As shown in FIGS. 8 and 9, in the third embodiment, the intermediate casing 2 is not present, and the upper box 1 and the lower box 3 are closed, and the lower surface of the upper box 1 It is comprised so that the upper surface of the lower box-shaped body 3 may contact | abut.

  A pair of metal fixed side walls 40, 40 separated by an appropriate length are provided on the upper surface of a metal support base (same configuration as the support base 9 in FIG. 1) having an open central portion for fixing the pulverizer. An electric motor having a reduction gear is provided on the other fixed side wall 40, and a bearing (same configuration as the bearing 10 in FIG. 1) is fixed to a substantially central portion of one fixed side wall 40. (A configuration similar to that of the electric motor 11 in FIG. 1) is attached, and a rotating shaft (not shown) interlocking with the motor shaft of the electric motor is mounted between the fixed side walls 40, 40. Each fixed side wall 40 has fixed shafts 41 and 41 for fixing the fixed side walls 40 and 40 fixed to the upper and lower portions of one side surface. Instead of the fixed shaft 41, both the fixed side walls 40 may be fixed by a housing in which one side surface of the fixed side walls 40 extends along the rotation axis. Each of the fixed shaft 41 and the housing is disposed outside the rotation track on which the crushing blade 4 rotates.

  The upper box-shaped body 1 and the lower box-shaped body 3 can swing around the support shaft 13. In addition, the structure which makes the support shaft of the upper box-shaped body 1 and the support shaft of the lower box-shaped body 3 separate may be sufficient. The same parts as those in the first and second embodiments are denoted by the same reference numerals and the description thereof is omitted.

  According to the third embodiment, the intermediate casing 2 is not necessary, and the upper box 1 and the lower box 3 are configured such that when both the boxes are closed, the lower surface of the upper box 1 is the lower box. 3, the crushing blade cover is constituted by the crushing blade covers 18 and 31. For this reason, when the upper box-shaped body 1 and the lower box-shaped body 3 are opened, the insides of all the coarse crushing blade covers 18, 31 can be easily accessed, the crushed pieces can be easily cleaned, and the cleaning time is shortened. , The remaining of the crushed pieces can be prevented.

  In addition, since the detachable rough crushing blade cover is not required, a clamp cam for supporting the crushing blade cover is not required, and the number of parts can be reduced. Further, even when the apparatus is enlarged, the work for removing the heavy rough crushing blade cover becomes unnecessary, and the workability is improved.

  Furthermore, since the upper box-shaped body 1 and the lower box-shaped body 3 are opened around the support shaft 13, the side opposite to the support shaft 13 with respect to the rotation shaft 17 (the other side of the rotation shaft 17) is cleaned. There is no such thing as shielding. For this reason, in the conventional structure in which the box-shaped body is opened on both sides with respect to the rotating shaft, it is necessary to secure a space for cleaning on both sides of the pulverizer. Since the box-shaped body 3 is configured to open only on one side of the rotating shaft 17, it is only necessary to secure a space for cleaning on one side of the pulverizer, and the cleaning space can be reduced.

  In the above-described embodiment, the shapes and height dimensions of the upper box-shaped body, the intermediate casing, and the lower box-shaped body are examples, and the present invention is not limited to this. It can be appropriately determined according to the difference in the output of the pulverizer, the size, and the like.

  The present invention is not limited to the examples.

Claims (4)

A pulverization comprising a rotary shaft rotatably mounted on a bearing and having a rotary blade attached thereto, and a fixed blade engaged with the rotary blade, and pulverizing a workpiece by cooperation of the rotary blade and the fixed blade In the machine
An upper box-like body swingable around a support shaft disposed on one side of the rotation shaft in parallel with the rotation shaft;
A lower box-like body provided near the support shaft or near the support shaft and swingable about a support shaft parallel to the support shaft;
The upper box-shaped body is
It has a space where the upper and lower surfaces are opened inside,
The rotation shaft is arranged so that a part of the rotation trajectory of the rotary blade is located in the space,
The rotary blade is
Arc-shaped rough crushing blade and outer peripheral surface provided with a sawtooth crushing blade,
The upper box-shaped body is
With a fixed blade inside,
When swinging upward, it is configured to open above the rotary blade,
The lower box-shaped body is
A crushing blade groove provided along the rotation trajectory of the crushing blade;
A discharge port for discharging the crushed workpiece,
If you swing downward, Ri configured tear to open the lower portion of the rotary blade,
The bearing is fixed, and further comprises a housing provided along the rotation axis on the side of the rotation axis,
The upper box and the lower box are
When both box-shaped bodies are closed, the casing is configured to be sandwiched,
Milling machine according to configured characterized tare Rukoto to receive the force applied to the upper box-like body by a force acting on the fixed blade from said rotating blade in the housing. The housing is
Milling machine according to claim 1, wherein the obtaining Bei the cracking blades groove provided along the rotation orbit of the cracking blades inside. The upper box and the lower box are
The pulverizer according to claim 1, wherein when both the box-shaped bodies are closed, the lower surface of the upper box-shaped body is in contact with the upper surface of the lower box-shaped body. The upper box-shaped body is
The crusher according to any one of claims 1 to 3, further comprising a crushing blade groove provided along a rotation orbit of the crushing blade on an inner side.

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