Adjusting mechanism and gravel screening device

Abstract

The utility model relates to the technical field of sandstone processing, in particular to an adjusting mechanism and a sandstone screening device, which comprise a linkage component, a fixed part, a rotating part arranged on the inner wall of the fixed part, and a connecting part arranged on one side of the rotating part. When gravel on the screening barrel needs to be cleaned, a rotating disc is pushed to enable a guide groove to push a sliding block to move, so that one end of each rotating rod is driven to rise, the distance between the rotating rods is increased, gravel clamped on the screening barrel rapidly falls off, the gravel cleaning time is shortened, and the working efficiency of the whole gravel screening device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sand and gravel processing, in particular to an adjusting mechanism and a sand and gravel screening device. Background Art

[0002] On construction sites, ensuring building quality lies in the precise screening of sand and gravel to distinguish between different sizes. However, traditional screens are often limited by their fixed aperture size when screening sand and gravel, processing material only within a specific range. To overcome this limitation, rolling sand and gravel screening machines have emerged, which dynamically grade sand and gravel using a rotating drum. This screening machine's design allows the sand and gravel to tumble within the drum, naturally separating them according to size, effectively sorting them into a variety of different particle size grades.

[0003] Taking a sand and gravel rolling screening device with patent publication number CN219129843U as an example, the sand and gravel rolling screening device includes a base frame, a screen drum rotatably arranged on the base frame, and a driving mechanism arranged at the second end of the base frame and used to drive the screen drum to rotate. The diameter of the screen holes on the screen drum gradually increases from the first end to the second end. A plurality of discharge hoppers are provided on the base frame below the screen drum, and the plurality of discharge hoppers are arranged in sequence from the first end to the second end of the screen drum; at least one annular baffle is provided in the screen drum for preventing sand and gravel from flowing from the first end to the second end of the screen drum, and each of the at least one annular baffle is provided with at least one notch; a support adjustment component is provided on the base frame for adjusting the inclination angle of the base frame and the screen drum.

[0004] Although the above-mentioned sand and gravel rolling screening device prevents material backflow and ensures a smooth screening process by setting up annular baffles and gap designs, the device may encounter the problem of stones getting stuck in the screen drum during operation, which may not only cause the screen drum to be blocked, but may also require technicians to clean it during the screening process, thereby affecting the screening efficiency and time. Utility Model Content

[0005] In view of the problem that stone jamming may occur in the screen drum during the screening process in the prior art, which requires technicians to clean sand and gravel during the screening process, affecting the screening efficiency and time, the present utility model is proposed.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: an adjustment mechanism, comprising:

[0007] The linkage assembly comprises a fixing part, a rotating part arranged on the inner wall of the fixing part, and a connecting part arranged on one side of the rotating part.

[0008] As a preferred solution of the adjustment mechanism of the utility model, the fixing part includes a mounting plate, a fixing ring connected to the inner wall of the mounting plate, a limiting groove opened on the outer wall of the mounting plate, and an arc groove opened on one side of the mounting plate.

[0009] As a preferred solution of the adjustment mechanism of the utility model, the rotating member includes a rotating disk, a guide groove opened on one side of the rotating disk, an annular groove opened on the outer wall of the rotating disk, and a fixing rod installed on the outer wall of the rotating disk.

[0010] As a preferred solution of the adjustment mechanism of the present invention, the connecting member includes a sliding block, a protrusion arranged on one side of the sliding block, and a connecting rod rotatably connected to one side of the protrusion.

[0011] As a preferred solution of the adjustment mechanism of the present invention, the inner wall of the mounting plate is rotatably connected to the outer wall of the rotating plate, and the outer wall of the fixing ring is rotatably connected to the inner wall of the annular groove.

[0012] As a preferred solution of the adjustment mechanism of the present invention, the outer wall of the fixing rod is slidably connected to the outer wall of the mounting plate, the inner wall of the fixing rod is connected with a bolt, and the outer wall of the bolt is slidably connected to the inner wall of the arc groove.

[0013] As a preferred solution of the adjustment mechanism of the present invention, the outer wall of the sliding block is slidably connected to the inner wall of the guide groove, and the outer wall of the protrusion is slidably connected to the inner wall of the limiting groove.

[0014] The beneficial effects of the utility model are as follows: when it is necessary to clean the gravel on the screen barrel, the rotating disk is pushed so that the guide groove pushes the sliding block to move, thereby driving one end of each rotating rod to rise and increase the distance between the rotating rods, so that the sand and gravel stuck on the screen barrel fall off quickly, thereby reducing the time for cleaning the sand and gravel and improving the working efficiency of the overall sand and gravel screening device.

[0015] In view of the problem that the size range of the sand and gravel screened by the screen bucket in the prior art is limited when screening sand and gravel, the present utility model is proposed.

[0016] In order to solve the above technical problems, the present invention provides the following technical solutions: a sand and gravel screening device, comprising:

[0017] support frame; and,

[0018] The screen barrel assembly is arranged on a support frame and includes a rotating shaft, a connecting frame connected to the outer wall of the rotating shaft, a fixed frame connected to the outer wall of the connecting frame, a hinge connected to the outer wall of the fixed frame, and a rotating rod connected to the outer wall of the hinge.

[0019] As a preferred solution of the adjustment mechanism of the present invention, the fixing frame is conical in shape.

[0020] As a preferred solution of the adjustment mechanism of the present invention, one side of the rotating shaft is connected to a pulley.

[0021] The beneficial effects of the utility model are as follows: by pushing the rotating disk to rotate in different directions, the sliding block drives one end of each rotating rod to rise or fall, thereby adjusting the distance between the rotating rods and increasing the range of the screen bucket for screening sand and gravel. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0024] Figure 2 It is a schematic diagram of the connection between the linkage assembly and the screen barrel assembly in the present invention.

[0025] Figure 3 This is a schematic diagram of the linkage component structure in the present utility model.

[0026] Figure 4 This is a schematic diagram of the connection between the fixed part, the rotating part and the connecting part in the utility model.

[0027] Figure 5 This is a schematic diagram of the fixing structure in the utility model

[0028] Figure 6 Schematic diagram of the rotating part structure in this utility model

[0029] Figure 7 Schematic diagram of the connecting piece structure in this utility model

[0030] Figure 8 This is a schematic diagram of the structure of the screen barrel assembly in the utility model DETAILED DESCRIPTION

[0031] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0032] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0033] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0034] Example 1

[0035] Reference Figures 1 to 8 , is the first embodiment of the present utility model, which provides an adjustment mechanism.

[0036] Specifically, it includes a linkage assembly 100, which includes a fixed part 101, a rotating part 102 arranged on the inner wall of the fixed part 101, and a connecting part 103 arranged on one side of the rotating part 102. When the rotating part 102 rotates, it can drive the connecting part 103 to rotate on the fixed part 101.

[0037] The fixing member 101 includes a mounting plate 101a, a fixing ring 101b connected to the inner wall of the mounting plate 101a, a limiting groove 101d formed on the outer wall of the mounting plate 101a, and an arcuate groove 101c formed on one side of the mounting plate 101a. There are multiple limiting grooves 101d, and the limiting grooves 101d are all formed around the center of the mounting plate 101a.

[0038] The mounting plate 101a is in the shape of a trapezoidal disc, with arc-shaped grooves 101c provided on both sides thereof.

[0039] The rotating member 102 includes a rotating disk 102a, a guide groove 102b opened on one side of the rotating disk 102a, an annular groove 102c opened on the outer wall of the rotating disk 102a, and a fixed rod 102d installed on the outer wall of the rotating disk 102a, wherein the guide groove 102b is a polygon with several sides. The number of sides of the guide groove 102b can be increased or decreased according to needs. It should be noted that the number of guide grooves 102b is always the same as the number of limit slots 101d.

[0040] The connecting member 103 includes a sliding block 103a, a protrusion 103b disposed on one side of the sliding block 103a, and a connecting rod 103c rotatably connected to one side of the protrusion 103b, wherein the area of the sliding block 103a is larger than that of the protrusion 103b.

[0041] The inner wall of the mounting disk 101a is rotatably connected to the outer wall of the rotating disk 102a, and the outer wall of the fixing ring 101b is rotatably connected to the inner wall of the annular groove 102c, wherein the fixing ring 101b can limit the movement range of the rotating disk 102a, so that the rotating disk 102a can only rotate within the mounting disk 101a.

[0042] The outer wall of the fixing rod 102d is slidably connected to the outer wall of the mounting plate 101a, and the inner wall of the fixing rod 102d is connected to the bolt 102e, and the outer wall of the bolt 102e is slidably connected to the inner wall of the arc groove 101c. When the fixing rod 102d is pushed, the bolt 102e will be driven to slide in the arc groove 101c, and the rotating plate 102a will also be driven to rotate in the mounting plate 101a.

[0043] The outer wall of the sliding block 103a is slidably connected to the inner wall of the guide groove 102b, and the outer wall of the protrusion 103b is slidably connected to the inner wall of the limiting groove 101d. When the rotating disk 102a rotates in the mounting disk 101a, the guide groove 102b will change its angle. At this time, the inner wall of the guide groove 102b will push the sliding block 103a to move, and the protrusion 103b will move along the limiting groove 101d.

[0044] In summary, after loosening the bolt 102e, the rotating disk 102a can be driven to rotate in the mounting disk 101a by pushing the fixing rod 102d. At this time, the inner wall of the guide groove 102b will push the sliding block 103a to move, and the protrusion 103b will move along the limiting groove 101d.

[0045] Example 2

[0046] Reference Figures 1 to 8 , which is the second embodiment of the present utility model, provides a sand and gravel screening device.

[0047] Specifically, it includes a support frame. It should be noted that a corresponding bearing seat is provided on the support frame, and the bearing seat is connected to the rotating shaft 201.

[0048] The sieve barrel assembly 200 is arranged on a support frame and includes a rotating shaft 201, a connecting frame 202 connected to the outer wall of the rotating shaft 201, a fixed frame 203 connected to the outer wall of the connecting frame 202, a hinge 204 connected to the outer wall of the fixed frame 203, and a rotating rod 205 connected to the outer wall of the hinge 204. The fixed frame 203 has a conical shape. There are several rotating rods 205, and the number of rotating rods 205 can be increased or decreased according to demand.

[0049] It should be noted that the other side of the rotating rod 205 is fixedly connected to one side of the connecting rod 103c by bolts, so when the sliding block 103a moves, it will drive the rotating rod 205 to move, so that the spacing between the rotating rods 205 will increase. At this time, the sand and gravel stuck between the rotating rods 205 will fall off quickly, so that the sand and gravel stuck on the entire screen barrel can be quickly cleaned up.

[0050] It should be noted that the direction of the fixing frame 203 is the feed inlet.

[0051] A pulley 206 is connected to one side of the rotating shaft 201 , wherein the pulley 206 is used to connect to the motor.

[0052] In summary, when it is necessary to clean the gravel on the screen barrel, the rotating disk 102a is pushed to rotate, so that the guide groove 102b pushes the sliding block 103a to move, thereby driving one end of each rotating rod 205 to rise, and increasing the distance between each rotating rod 205. In this way, the sand and gravel stuck on the screen barrel can be quickly cleaned, thereby reducing the time for cleaning the sand and gravel and improving the working efficiency of the overall sand and gravel screening device.

[0053] Example 3

[0054] Reference Figures 1 to 8 , which is the third embodiment of the present utility model, is based on the above two embodiments. The difference is that this embodiment illustrates the connection relationship between the above two embodiments.

[0055] The screen barrel assembly 200 is arranged on a support frame and includes a rotating shaft 201, a connecting frame 202 connected to the outer wall of the rotating shaft 201, a fixed frame 203 connected to the outer wall of the connecting frame 202, a hinge 204 connected to the outer wall of the fixed frame 203, and a rotating rod 205 connected to the outer wall of the hinge 204. The fixed frame 203 has a conical shape, and the fixing part 101 includes a mounting plate 101a, a fixing ring 101b connected to the inner wall of the mounting plate 101a, a limiting groove 101d opened on the outer wall of the mounting plate 101a, and an arc groove 101c opened on one side of the mounting plate 101a, wherein the inner wall of the mounting plate 101a is also connected to another connecting frame 202, and the middle position of the connecting frame 202 is also connected to the rotating shaft 201.

[0056] In summary, when the bolt 102e is tightened, the rotation of the shaft 201 will drive the fixing frame 203, the rotating rod 205, the mounting plate 101a and other components connected to the mounting plate 101a to rotate together.

[0057] It is important to note that the construction and arrangement of the present application shown in a number of different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, and parameter values (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, directional changes, etc.) without departing substantially from the novel teachings and advantages of the subject matter described in this application. For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of the element may be inverted or otherwise changed, and the nature or number or position of the discrete elements may be altered or changed. Therefore, all such modifications are intended to be included within the scope of the present invention. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "means plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also an equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0058] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0059] It will be appreciated that in the development of any actual embodiment, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will, for those of ordinary skill having the benefit of this disclosure, be a routine undertaking of design, fabrication, and production without undue experimentation.

[0060] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, and all of these should be included in the scope of the claims of the present invention.

Claims

1. An adjustment mechanism, characterized in that: include, The linkage assembly (100) comprises a fixing member (101), a rotating member (102) arranged on the inner wall of the fixing member (101), and a connecting member (103) arranged on one side of the rotating member (102).

2. The adjustment mechanism according to claim 1, wherein: The fixing member (101) comprises a mounting plate (101a), a fixing ring (101b) connected to the inner wall of the mounting plate (101a), a limiting groove (101d) provided on the outer wall of the mounting plate (101a), and an arc-shaped groove (101c) provided on one side of the mounting plate (101a).

3. The adjustment mechanism according to claim 2, wherein: The rotating member (102) includes a rotating disk (102a), a guide groove (102b) provided on one side of the rotating disk (102a), an annular groove (102c) provided on the outer wall of the rotating disk (102a), and a fixing rod (102d) installed on the outer wall of the rotating disk (102a).

4. The adjustment mechanism according to claim 3, wherein: The connecting member (103) comprises a sliding block (103a), a protrusion (103b) arranged on one side of the sliding block (103a), and a connecting rod (103c) rotatably connected to one side of the protrusion (103b).

5. The adjustment mechanism according to claim 4, wherein: The inner wall of the mounting disk (101a) is rotatably connected to the outer wall of the rotating disk (102a), and the outer wall of the fixing ring (101b) is rotatably connected to the inner wall of the annular groove (102c).

6. The adjustment mechanism according to claim 5, wherein: The outer wall of the fixing rod (102d) is slidably connected to the outer wall of the mounting plate (101a); the inner wall of the fixing rod (102d) is connected to a bolt (102e); and the outer wall of the bolt (102e) is slidably connected to the inner wall of the arc-shaped groove (101c).

7. The adjustment mechanism according to claim 6, wherein: The outer wall of the sliding block (103a) is slidably connected to the inner wall of the guide groove (102b), and the outer wall of the protrusion (103b) is slidably connected to the inner wall of the limiting groove (101d).

8. A sand and gravel screening device, characterized in that: comprising the adjustment mechanism according to any one of claims 1 to 7, and support frame; and, The screen barrel assembly (200) is arranged on a support frame and comprises a rotating shaft (201), a connecting frame (202) connected to the outer wall of the rotating shaft (201), a fixing frame (203) connected to the outer wall of the connecting frame (202), a hinge (204) connected to the outer wall of the fixing frame (203), and a rotating rod (205) connected to the outer wall of the hinge (204).

9. The sand and gravel screening device according to claim 8, characterized in that: The fixing frame (203) has a conical shape.

10. The sand and gravel screening device according to claim 9, characterized in that: One side of the rotating shaft (201) is connected to a pulley (206).

Images