A material receiving device for high pressure roller mill

Abstract

The utility model relates to the technical field of high-pressure roller mills, and discloses a material receiving device for a high-pressure roller mill, including a mounting base, a fixed support frame is arranged on the upper side of the mounting base, a fixed roller mill main machine is arranged on the support frame, a fixed feed port is arranged at the upper opening of the roller mill main machine, the feed port is a "U"-shaped rectangular box, and two installation cavities are symmetrically opened at the upper end of the feed port, and the installation cavities are rectangular cavities. In the utility model, in actual use, when the wear-resistant plate needs to be replaced, the rotating gear column and the tooth groove are meshed and rotated to make the sliding plate move the wear-resistant plate out, the sliding plate and the wear-resistant plate can be installed by means of a card block being connected and bonded inside the card slot, and the sliding plate and the wear-resistant plate can also be installed by means of a first locking thread column being threadedly connected inside the locking thread cavity, so as to facilitate the rapid replacement of the wear-resistant plate and improve the replacement efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of high-pressure roller mills, in particular to a material receiving device for a high-pressure roller mill. Background Art

[0002] The feeding of the high pressure roller mill must ensure a certain material pressure, which requires the feeding device to have a material column of a certain height. The material continuously enters between the two rollers through the material column, so the material column is always subjected to the erosion and wear of the material and is a vulnerable part.

[0003] The existing material column is generally installed inside the equipment at a fixed angle. Since the worn material column needs to be replaced regularly, when maintenance is needed on site, the maintenance technician first needs to probe into the interior of the machine with his upper body, then remove the material column by knocking, and then weld it back together. Replacement is inconvenient and inefficient. For this reason, we propose a material receiving device for the high-pressure roller mill. Utility Model Content

[0004] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a material receiving device for a high-pressure roller mill.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a material receiving device for a high-pressure roller mill, comprising a mounting base, a fixed support frame is arranged on the upper side of the mounting base, a fixed roller mill main unit is arranged on the support frame, a fixed feed port is arranged at the upper opening of the roller mill main unit, the feed port is a "U"-shaped rectangular box, two installation cavities are symmetrically opened at the upper end of the feed port, the installation cavities are rectangular cavities, two symmetrical swing boxes are movably installed inside the feed port, the swing boxes are "U"-shaped rectangular boxes, rectangular openings are opened on the sides corresponding to each other, a wear-resistant structure is movably arranged inside the swing boxes, a rotating cavity is opened on the sides of the two swing boxes facing away from each other, and a movable limiting structure is arranged inside the rotating cavity.

[0006] Preferably, the wear-resistant structure includes a sliding plate slidably installed inside the swing box, a removable wear-resistant plate is movably provided on the side of the sliding plate, teeth are equidistantly provided on the side of the sliding plate away from the wear-resistant plate, and a rotating gear column is provided at the position of the tooth groove inside the swing box corresponding to the tooth groove, and the rotating gear column and the tooth groove are meshed with each other.

[0007] Preferably, a second rotating motor is fixedly connected to the side of the feed port, an output end of the second rotating motor is fixedly connected to the side of the swing box, a first rotating motor is fixedly connected to the side of the swing box, and an output end of the first rotating motor is fixedly connected to the rotating gear column.

[0008] Preferably, a card slot is provided on one side of the wear-resistant plate corresponding to the sliding plate, and a card block is fixedly connected to the side of the sliding plate corresponding to the position of the card slot. The card slot is a rectangular cavity, and the card block is a rectangular block. The card block is connected to the inside of the card slot, and glue is applied between the card block and the card slot.

[0009] Preferably, a locking thread cavity is equidistantly formed on one side of the wear-resistant plate away from the slot, the locking thread cavity penetrates the wear-resistant plate and extends to the inside of the sliding plate, and the internal thread of the locking thread cavity is connected to a first locking thread column.

[0010] Preferably, the limiting structure includes a first rotating column movably installed inside the rotating cavity, a movable threaded cavity is opened on the side of the first rotating column, the internal thread of the movable threaded cavity is connected to a second locking threaded column, and one end of the second locking threaded column corresponding to the tooth groove is fixedly connected to a plug, the plug is a conical block and is adapted to the size of the tooth groove, and the end of the second locking threaded column away from the plug is fixedly connected to a rotating handle.

[0011] Preferably, movable cavities are provided at both ends of the rotating cavity, a second rotating column is fixedly connected to the end surface of the first rotating column at a position corresponding to the movable cavity, the second rotating column is movably installed inside the movable cavity, an end of the second rotating column away from the first rotating column is fixedly connected to a torsion spring, and an end of the torsion spring away from the second rotating column is fixedly connected to the side of the movable cavity.

[0012] Beneficial Effects

[0013] The utility model provides a material receiving device for a high pressure roller mill. It has the following beneficial effects:

[0014] (1) In the actual use of the material receiving device of the high-pressure roller mill, when the wear-resistant plate needs to be replaced, the gear column is rotated to engage with the tooth groove to rotate so that the sliding plate moves the wear-resistant plate out. The sliding plate and the wear-resistant plate can be installed by means of a clamping block being clamped and bonded inside the clamping groove. The sliding plate and the wear-resistant plate can also be installed by means of a first locking thread column being threadedly connected inside the locking thread cavity, so that the wear-resistant plate can be quickly replaced and the replacement efficiency is improved.

[0015] (2) The material receiving device of the high-pressure roller mill rotates the second locking thread column inside the movable thread chamber to move the second locking thread column toward one side of the sliding plate. The second locking thread column drives the plug to be inserted into the tooth groove to limit the movement of the sliding plate, thereby maintaining a stable state of the sliding plate during operation.

[0016] (3) The material receiving device of the high-pressure roller mill is a swing box that can swing inside the feed port, and the swing box drives the wear-resistant plates to swing. By adjusting the position of the two wear-resistant plates extending into the roller mill and the angle between the two wear-resistant plates, the material feeding work of raw material particles of different sizes can be adapted. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings described below are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0018] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a side sectional view of the wear-resistant plate of the utility model;

[0021] Figure 3 It is a cross-sectional view of the wear-resistant plate of the utility model;

[0022] Figure 4 It is a side sectional view of the sliding plate of the utility model.

[0023] Legend:

[0024] 1. Installation base; 2. Support frame; 3. Roller mill host; 4. Feed inlet; 5. Installation cavity; 6. Swing box; 711. Wear-resistant plate; 712. Sliding plate; 713. Tooth groove; 714. Rotating gear column; 715. Slot; 716. Block; 717. Locking thread cavity; 718. First locking thread column; 719. First rotating motor; 7110. Second rotating motor; 8. Rotating cavity; 911. First rotating column; 912. Active thread cavity; 913. Second locking thread column; 914. Plug; 915. Rotating handle; 921. Active cavity; 922. Second rotating column; 923. Torsion spring. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] like Figure 1-Figure 4As shown in the figure, a feeding device for a high-pressure roller mill includes a mounting base 1. A fixed support frame 2 is provided on the upper side of the mounting base 1. A fixed roller grinding main machine 3 is provided on the support frame 2. A fixed feeding port 4 is provided at the upper end opening of the roller grinding main machine 3. The roller grinding main machine 3 is fixed by the mounting base 1 and the support frame 2. Materials fall into the interior of the feeding port 4 from above the feeding port 4, and the materials fall into the interior of the roller grinding main machine 3 through the feeding port 4 for crushing. The feeding port 4 is a rectangular box in the shape of a "hui" character. Two mounting cavities 5 are symmetrically opened at the upper end of the feeding port 4. The mounting cavity 5 is a rectangular cavity. Two symmetrical swing boxes 6 are movably installed inside the feeding port 4. The swing box 6 is a rectangular box in the shape of a "hui" character. Rectangular openings are provided on the mutually corresponding sides of the two swing boxes 6. A wear-resistant structure is movably arranged inside the swing box 6. Rotating cavities 8 are provided on the mutually背离 sides of the two swing boxes 6. A movable limiting structure is arranged inside the rotating cavity 8. The position of the wear-resistant structure is adjusted by swinging the swing box 6, and the wear-resistant structure is fixed by the limiting structure. The wear-resistant structure includes a sliding plate 712 slidably installed inside the swing box 6. A detachable wear-resistant plate 711 is movably arranged on the side of the sliding plate 712. Tooth grooves 713 are equidistantly opened on the side of the sliding plate 712 away from the wear-resistant plate 711. A rotating gear column 714 is arranged inside the swing box 6 corresponding to the position of the tooth grooves 713. The rotating gear column 714 and the tooth grooves 713 are meshed with each other. By rotating the rotating gear column 714, the rotating gear column 714 meshes with the tooth grooves 713 to drive the sliding plate 712 to slide inside the swing box 6. The sliding plate 712 drives the wear-resistant plate 711 to slide, and in cooperation with the swing of the swing box 6, it adapts to the feeding operation of raw material particles of different sizes. The limiting structure includes a first rotating column 911 movably installed inside the rotating cavity 8. An active threaded cavity 912 is opened on the side of the first rotating column 911. A second locking threaded column 913 is threadedly connected inside the active threaded cavity 912. One end of the second locking threaded column 913 corresponding to the tooth grooves 713 is fixedly connected with a plug 914. The plug 914 is a conical block and is adapted to the size of the tooth grooves 713. One end of the second locking threaded column 913 away from the plug 914 is fixedly connected with a rotating handle 915. By rotating the rotating handle 915, the rotating handle 915 drives the second locking threaded column 913 to move inside the active threaded cavity 912. The second locking threaded column 913 drives the plug 914 to move. Through the swing of the first rotating column 911, the plug 914 is inserted into the tooth grooves 713 to restrict the movement of the sliding plate 712. Active cavities 921 are opened at both ends of the rotating cavity 8. A second rotating column 922 is fixedly connected to the end face of the first rotating column 911 corresponding to the position of the active cavity 921. The second rotating column 922 is movably installed inside the active cavity 921. One end of the second rotating column 922 away from the first rotating column 911 is fixedly connected with a torsion spring 923. One end of the torsion spring 923 away from the second rotating column 922 is fixedly connected to the side of the active cavity 921.When the first rotating column 911 swings inside the rotating chamber 8, it drives the second rotating column 922 to swing inside the movable chamber 921. The swing of the second rotating column 922 is constrained by the torsion spring 923. The side of the feed port 4 is fixedly connected with the second rotating motor 7110. The output end of the second rotating motor 7110 is fixedly connected to the side of the swing box 6. The side of the swing box 6 is fixedly connected with the first rotating motor 719. The output end of the first rotating motor 719 is fixedly connected to the rotating gear column 714. The first rotating motor 719 is started, and the first rotating motor 719 drives the rotating gear column 714 to rotate. The second rotating motor 7110 is started, and the second rotating motor 7110 drives the swing box 6 to swing. The swing box 6 drives the wear-resistant plate 711 mounting base 1 to swing.

[0027] Embodiment 1, as Figure 2 As shown, a slot 715 is provided on one side of the wear-resistant plate 711 corresponding to the sliding plate 712, and a block 716 is fixedly connected to the side of the sliding plate 712 corresponding to the position of the slot 715. The slot 715 is a rectangular cavity, and the block 716 is a rectangular block. The block 716 is snapped into the inside of the slot 715, and glue is applied between the block 716 and the slot 715. The sliding plate 712 and the wear-resistant plate 711 can be installed by snapping and gluing the block 716 into the inside of the slot 715.

[0028] Embodiment 2, as Figure 4 As shown, a locking thread cavity 717 is equidistantly provided on one side of the wear-resistant plate 711 away from the slot 715. The locking thread cavity 717 penetrates the wear-resistant plate 711 and extends to the interior of the sliding plate 712. The internal thread of the locking thread cavity 717 is connected with a first locking thread column 718. The sliding plate 712 and the wear-resistant plate 711 can be installed by threading the first locking thread column 718 inside the locking thread cavity 717.

[0029] The working principle of this utility model:

[0030] When the wear plate 711 needs to be replaced, the first rotating motor 719 is started, and the first rotating motor 719 drives the rotating gear column 714 to rotate. The rotating gear column 714 engages with the tooth groove 713 to drive the sliding plate 712 to slide inside the swing box 6. The sliding plate 712 drives the wear plate 711 to slide and move the wear plate 711 out. The sliding plate 712 and the wear plate 711 can be installed by clamping the block 716 in the clamping groove 715. The sliding plate 712 and the wear plate 711 can be installed by threading the first locking thread column 718 in the locking thread cavity 717. The second rotating motor 7110 is driven, and the second rotating motor 7110 drives the swing box 6 to swing, and the swing box 6 drives the wear-resistant plate 711 to swing, and the positions of the two wear-resistant plates 711 extending to the inside of the roller mill main unit 3 and the angle between the two wear-resistant plates 711 are adjusted to adapt to the guidance of raw material particles of different sizes, and the rotating handle 915 is rotated, and the rotating handle 915 drives the second locking thread column 913 to move inside the movable threaded cavity 912, and the second locking thread column 913 drives the plug 914 to move, and the first rotating column 911 is swung to make the plug 914 inserted into the tooth groove 713 to constrain the movement of the sliding plate 712.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A feeding device for a high-pressure roller mill, comprising a mounting base (1), a fixed support frame (2) is arranged on the upper side of the mounting base (1), a fixed roller grinding main machine (3) is arranged on the support frame (2), a fixed feeding port (4) is arranged at the upper end opening of the roller grinding main machine (3), and the feeding port (4) is a rectangular box in the shape of a "return" character, characterized in that: Two mounting cavities (5) are symmetrically arranged at the upper end of the feed inlet (4). The mounting cavities (5) are rectangular cavities. Two symmetrical swing boxes (6) are movably installed inside the feed inlet (4). The swing boxes (6) are rectangular boxes in the shape of a "return" character. Rectangular openings are arranged on the opposite sides of the two swing boxes (6). A wear-resistant structure is movably arranged inside the swing boxes (6). Rotating cavities (8) are arranged on the opposite sides of the two swing boxes (6). A movable limiting structure is arranged inside the rotating cavities (8).

2. The material receiving device of the high pressure roller grinding machine according to claim 1, characterized in that: The wear-resistant structure includes a sliding plate (712) slidably installed inside the swing box (6). A detachable wear-resistant plate (711) is movably arranged on the side of the sliding plate (712). Tooth grooves (713) are equidistantly arranged on the side of the sliding plate (712) away from the wear-resistant plate (711). A rotating gear column (714) is arranged inside the swing box (6) corresponding to the position of the tooth grooves (713). The rotating gear column (714) meshes with the tooth grooves (713).

3. The material receiving device of the high pressure roller grinding machine according to claim 2, characterized in that: A second rotating motor (7110) is fixedly connected to the side of the feed inlet (4). The output end of the second rotating motor (7110) is fixedly connected to the side of the swing box (6). A first rotating motor (719) is fixedly connected to the side of the swing box (6). The output end of the first rotating motor (719) is fixedly connected to the rotating gear column (714).

4. The material receiving device of the high pressure roller grinding machine according to claim 3, characterized in that: A clamping groove (715) is arranged on the side of the wear-resistant plate (711) corresponding to the sliding plate (712). A clamping block (716) is fixedly connected to the side of the sliding plate (712) corresponding to the position of the clamping groove (715). The clamping groove (715) is a rectangular cavity. The clamping block (716) is a rectangular block. The clamping block (716) is clamped inside the clamping groove (715). Glue is applied between the clamping block (716) and the clamping groove (715).

5. The material receiving device of the high pressure roller grinding machine according to claim 3, characterized in that: Locking threaded cavities (717) are equidistantly arranged on the side of the wear-resistant plate (711) away from the clamping groove (715). The locking threaded cavities (717) penetrate through the wear-resistant plate (711) and extend into the inside of the sliding plate (712). A first locking threaded column (718) is threadedly connected inside the locking threaded cavities (717).

6. The material receiving device of the high pressure roller grinding machine according to claim 3, characterized in that: The limiting structure includes a first rotating column (911) movably installed inside the rotating cavity (8). An active threaded cavity (912) is arranged on the side of the first rotating column (911). A second locking threaded column (913) is threadedly connected inside the active threaded cavity (912). A plug (914) is fixedly connected to one end of the second locking threaded column (913) corresponding to the tooth groove (713). The plug (914) is a tapered block and is adapted to the size of the tooth groove (713). A rotating handle (915) is fixedly connected to the end of the second locking threaded column (913) away from the plug (914).

7. The material receiving device of the high pressure roller grinding machine according to claim 6, characterized in that: Both ends of the rotating cavity (8) are provided with movable cavities (921); the end surface of the first rotating column (911) is fixedly connected to a second rotating column (922) at a position corresponding to the movable cavity (921); the second rotating column (922) is movably installed inside the movable cavity (921); one end of the second rotating column (922) away from the first rotating column (911) is fixedly connected to a torsion spring (923); and one end of the torsion spring (923) away from the second rotating column (922) is fixedly connected to the side of the movable cavity (921).

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