Variable-diameter grid frame

Abstract

The utility model discloses a variable-diameter grid frame which comprises a multi-specification grid cylinder and a supporting frame fixedly arranged on the multi-specification grid cylinder in a sleeved mode, a rotary material distributing frame is arranged on the top of the multi-specification grid cylinder, a rotary adjusting frame is arranged on the left side of the supporting frame, and a shifting rod of the adjusting frame is in lap joint with a shifting groove of the material distributing frame. Switching between the material distributing openings of the material distributing frame and various grid holes of the multi-specification grid cylinders can be achieved by rotating the adjusting frame, variable-diameter switching adjustment of the multi-size grid holes in the grid frame is achieved, and the use convenience of the grid frame is improved.

Description

Technical Field

[0001] The utility model relates to the field of industrial accessories, in particular to a diameter-variable grid frame. Background Art

[0002] The grid plate is a steel product made of flat steel arranged crosswise at a certain spacing and cross bars, welded by a pressure welder or manually into a grid with holes in the middle. The grid frame is a bracket that uses the grid plate aperture to screen materials.

[0003] With current technology, the grid holes in the grid frame are all of a single size. When the grid hole size needs to be changed to cope with different materials, the grid plates in the grid frame need to be disassembled and replaced. It is impossible to achieve variable diameter switching adjustment of multi-sized grid holes inside the grid frame, and frequent disassembly and installation during adjustment is not very convenient. Utility Model Content

[0004] The purpose of the utility model is to solve any one of the problems in the above-mentioned technologies, thereby proposing a diameter-variable grid frame.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a variable diameter grid frame, including a grid tube of multiple specifications and a support frame fixedly mounted thereon, a rotating material distribution frame is arranged on the top of the grid tube of multiple specifications, and a rotatable adjustment frame is arranged on the left side of the support frame, and the shifting rod of the adjustment frame and the shifting groove of the material distribution frame overlap with each other, and the material distribution port of the material distribution frame and the various grid holes of the grid tube of multiple specifications can be switched by rotating the adjustment frame.

[0006] Furthermore, the multi-specification grid tube is a hexagonal column with an arc transition. A central axis hole with countersunk openings at the upper and lower openings is arranged in the center of the multi-specification grid tube. The central axis rod is fixedly embedded in the central axis hole. Six grid holes are distributed in a circular array outside the central axis hole. The size of each grid hole is different. The support frame is embedded and fixed on the outer wall of the multi-specification grid tube.

[0007] Furthermore, the main body of the support frame is a ring sleeve with a forked support rod set on the left side. The center of the ring sleeve of the support frame is provided with a hexagonal slot-shaped fixed bayonet with an arc transition. It is nested in the outer wall of a grid tube of multiple specifications through the fixed bayonet. A rotating shaft rod is set at the top of the forked support rod of the support frame, and the adjusting frame is rotatably sleeved on the rotating shaft rod.

[0008] Furthermore, the main body of the adjusting frame is an adjusting disk with a knurled groove on the outer surface, an arc-shaped avoidance opening is provided on the left side of the adjusting disk, a triangular step is provided at the center below the avoidance opening, a lever is provided at the top of the triangular step, and a penetrating shaft hole is provided in the center of the adjusting frame, and the adjusting frame cooperates with the dividing frame for transmission.

[0009] Furthermore, a material distribution rack is arranged above a grid cylinder of various specifications. The material distribution rack is in the shape of a disc. Six circular arc groove-shaped positioning openings distributed in a circular array are arranged on the edge of the material distribution rack. Toggle grooves are staggered between the positioning openings. A cylindrical rib is arranged at the center of the upper surface of the material distribution rack. An inner wall at the top of the cylindrical rib is arranged with an inner snap-in opening in the shape of a circular ring. The feed cover is rotatably clamped in the inner snap-in opening. A central shaft sleeve with a protruding circular ring at the bottom is arranged at the inner center of the cylindrical rib. The central shaft sleeve is rotatably sleeved on the central shaft rod. A material distribution opening that penetrates to the bottom surface is arranged on one side of the central shaft sleeve. The bottom surface of the material distribution rack is rotatably fitted with the upper surface of the grid cylinder of various specifications.

[0010] Furthermore, the main body of the feed cover is in the shape of an inverted T-shaped frustum, the frustum is rotatably embedded in the inner clamping opening of the material distribution rack, and a hollow tube is provided passing through the center of the frustum.

[0011] The beneficial effects of the utility model are: the bottom surface of the material distribution rack is rotatably fitted with the upper surface of the grid tubes of multiple specifications, the rotating sleeve of the material distribution rack is arranged on the central axis rod, the material distribution port corresponds to the grid holes of the grid tubes of multiple specifications, the adjusting rack cooperates with the material distribution rack, and the lever of the adjusting rack slides in the shifting groove of the material distribution rack. When the adjusting rack rotates, the lever will slide in the shifting groove of the material distribution rack and drive the material distribution rack to rotate 60° at the same time, so as to realize the docking and switching between the material distribution port and different grid holes, realize the variable diameter switching adjustment of the multi-size grid holes inside the grid rack, and improve the convenience of using the grid rack. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the installation of the adjustment bracket of the utility model;

[0014] Figure 3 It is a cross-sectional view of the utility model as a whole;

[0015] Figure 4 This is a schematic diagram of the structure of the grid tubes of various specifications of the utility model;

[0016] Figure 5 This is a schematic diagram of the structure of the support frame of the utility model;

[0017] Figure 6 This is a structural schematic diagram of the material distribution rack of the utility model;

[0018] Figure 7 It is a structural schematic diagram of the adjusting frame of the utility model.

[0019] exist Figures 1 to 7, the correspondence between the component names or lines and the figure numbers is: multi-specification grid cylinder 1, grid hole 11, central axis hole 12, support frame 2, fixed bayonet 21, rotating shaft rod 22, material distribution frame 3, central axis sleeve 31, material distribution port 32, inner bayonet 33, toggle groove 34, positioning port 35, adjustment frame 4, adjustment disk 41, avoidance port 42, toggle rod 43, rotating shaft hole 44, feed cover 5, central axis rod 6. DETAILED DESCRIPTION

[0020] Please refer to Figures 1 to 7 ;

[0021] The present embodiment provides a variable diameter grid frame, including a multi-specification grid tube 1 and a support frame 2 fixedly mounted thereon, a rotating material distribution frame 3 is arranged on the top of the multi-specification grid tube 1, and a rotatable adjustment frame 4 is arranged on the left side of the support frame 2, and the shifting rod 43 of the adjustment frame 4 and the shifting groove 34 of the material distribution frame 3 overlap with each other, and the material distribution port 32 of the material distribution frame 3 and the various grid holes 11 of the multi-specification grid tube 1 can be switched by rotating the adjustment frame 4.

[0022] Preferably, the multi-specification grid tube 1 is a hexagonal column with an arc transition. The center of the multi-specification grid tube 1 is provided with a central axis hole 12 with countersunk openings at the upper and lower openings. The central axis rod 6 is fixedly embedded in the central axis hole 12. Six grid holes 11 are distributed in a circular array outside the central axis hole 12. The size of each grid hole 11 is different. The support frame 2 is embedded and fixed on the outer wall of the multi-specification grid tube 1.

[0023] In a specific embodiment, the size of each grid hole 11 is different, and grid holes 11 of different sizes can be switched to screen materials according to different products, thereby improving the versatility and convenience of the multi-specification grid tube 1.

[0024] Preferably, the main body of the support frame 2 is a ring sleeve with a forked support rod set on the left side, and a fixed bayonet 21 in the shape of a hexagonal slot with an arc transition is set in the center of the ring sleeve of the support frame 2. The fixed bayonet 21 is nested in the outer wall of the multi-specification grid tube 1 through the fixed bayonet 21. A rotating shaft rod 22 is set at the top of the forked support rod of the support frame 2, and the adjustment frame 4 is rotatably sleeved on the rotating shaft rod 22.

[0025] Preferably, the main body of the adjusting frame 4 is an adjusting disk 41 with a knurled groove on the outer surface, an arc-shaped avoidance opening 42 is provided on the left side of the adjusting disk 41, a triangular step is provided at the center below the avoidance opening 42, a lever 43 is provided at the top of the triangular step, and a penetrating shaft hole 44 is provided in the center of the adjusting frame 4, and the adjusting frame 4 cooperates with the dividing frame 3 for transmission.

[0026] In a specific embodiment, the outer wall of the adjusting disk 41 of the adjusting frame 4 is fitted and rotated with the positioning opening 35 of the material distribution frame 3, and at the same time, the avoiding opening 42 of the adjusting frame 4 is fitted with the outer circle of the material distribution frame 3 to ensure that the adjusting frame 4 and the material distribution frame 3 are guided and positioned through the outer wall of the adjusting disk 41 during rotation transmission.

[0027] Preferably, the material distribution rack 3 is arranged above the multi-specification grid cylinder 1. The material distribution rack 3 is disc-shaped, and the edge of the material distribution rack 3 is provided with six arc-shaped positioning openings 35 distributed in a circumferential array, and the positioning openings 35 are staggered with toggle grooves 34. A cylindrical rib is provided at the center of the upper surface of the material distribution rack 3, and an inner wall at the top of the cylindrical rib is provided with an inner snap-in opening 33 in the shape of a circular groove. The feed cover 5 is rotatably clamped in the inner snap-in opening 33, and a central shaft sleeve 31 with a protruding circular ring at the bottom is provided at the inner center of the cylindrical rib. The central shaft sleeve 31 is rotatably sleeved on the central shaft rod 6, and a material distribution opening 32 that penetrates to the bottom surface is provided on one side of the central shaft sleeve 31. The bottom surface of the material distribution rack 3 is rotatably fitted with the upper surface of the multi-specification grid cylinder 1.

[0028] In a specific embodiment, the material distribution port 32 corresponds to the grid holes 11 of the multi-specification grid tube 1, the adjusting frame 4 cooperates with the material distribution frame 3, and the lever 43 of the adjusting frame 4 slides in the shifting groove 34 of the material distribution frame 3. When the adjusting frame 4 rotates, the lever 43 will slide in the shifting groove 34 of the material distribution frame 3 and drive the material distribution frame 3 to rotate 60°, thereby realizing the docking switching between the material distribution port 32 and different grid holes 11.

[0029] Preferably, the main body of the feed cover 5 is in the shape of an inverted T-shaped frustum, which is rotatably embedded in the inner opening 33 of the material distribution frame 3, and a hollow tube is provided passing through the center of the frustum.

[0030] In a specific embodiment, the feed cover 5 rotates independently relative to the distribution rack 3. When the distribution rack 3 rotates, the feed cover 5 can be connected to the external feeding pipe to remain stationary, and the material is effectively transported to the cylindrical rib of the distribution rack 3.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A variable diameter grid frame, comprising a grid tube of multiple specifications (1) and a support frame (2) fixedly mounted thereon, wherein a rotating material distribution frame (3) is arranged on the top of the grid tube of multiple specifications (1), characterized in that: A rotatable adjustment frame (4) is provided on the left side of the support frame (2); a lever (43) of the adjustment frame (4) and a shifting groove (34) of the material distribution frame (3) overlap each other, and the material distribution opening (32) of the material distribution frame (3) and the various grid holes (11) of the grid cylinder (1) of various specifications can be switched by rotating the adjustment frame (4).

2. The variable diameter grid frame according to claim 1, characterized in that: The multi-specification grid tube (1) is in the shape of a hexagonal column with a circular arc transition. The center of the multi-specification grid tube (1) is provided with a central axis hole (12) with countersunk openings at both the upper and lower openings. The central axis rod (6) is fixedly embedded in the central axis hole (12). Six grid holes (11) are distributed in a circular array around the central axis hole (12). The size of each grid hole (11) is different. The support frame (2) is embedded and fixed on the outer wall of the multi-specification grid tube (1).

3. The variable diameter grid frame according to claim 2, characterized in that: The support frame (2) has a main body which is a ring sleeve with a forked support rod on the left side. A fixed bayonet (21) in the shape of a hexagonal notch with a circular arc transition is provided at the center of the ring sleeve of the support frame (2). The fixed bayonet (21) is inserted into the outer wall of a grid tube (1) of multiple specifications. A rotating shaft rod (22) is provided at the top end of the forked support rod of the support frame (2). The adjusting frame (4) is rotatably sleeved on the rotating shaft rod (22).

4. The variable diameter grid frame according to claim 3, characterized in that: The main body of the adjusting frame (4) is an adjusting disk (41) with a knurled groove on its outer surface. A circular arc-shaped avoidance opening (42) is provided on the left side of the adjusting disk (41). A triangular step is provided at the center below the avoidance opening (42). A lever (43) is provided at the top of the triangular step. A rotating shaft hole (44) is provided through the center of the adjusting frame (4). The adjusting frame (4) cooperates with the material distribution frame (3) for transmission.

5. The variable diameter grid frame according to claim 4, characterized in that: The material distribution rack (3) is arranged above the multi-specification grid barrel (1). The material distribution rack (3) is in the shape of a disk. The edge of the material distribution rack (3) is provided with six circular arc slot-shaped positioning openings (35) distributed in a circumferential array. The positioning openings (35) are alternately provided with toggle slots (34). A cylindrical rib is provided at the center of the upper surface of the material distribution rack (3). The inner wall at the top of the cylindrical rib is provided with an inner snap-in opening (33) in the shape of a circular ring. The feed cover (5) is rotatably clamped in the inner snap-in opening (33). A central shaft sleeve (31) with a protruding circular ring at the bottom is provided at the center of the inner side of the cylindrical rib. The central shaft sleeve (31) is rotatably sleeved on the central shaft rod (6). A material distribution opening (32) penetrating to the bottom surface is provided on one side of the central shaft sleeve (31). The bottom surface of the material distribution rack (3) is rotatably fitted with the upper surface of the multi-specification grid barrel (1).

6. The variable diameter grid frame according to claim 5, characterized in that: The main body of the feed cover (5) is in the shape of an inverted T-shaped frustum, which is rotatably engaged in the inner opening (33) of the material distribution frame (3), and a hollow tube is provided at the center of the frustum.

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