Electric sieve shaker

Abstract

An electric sieve shaker relates to the technical field of sieve shakers and comprises a sieve shaker body, a plurality of vertical columns are vertically and fixedly mounted on the upper portion of the sieve shaker body in the circumferential direction of the sieve shaker body, and a plurality of filter sieves are stacked on the upper portion of the sieve shaker body and located among the vertical columns. The pressing piece is slidably connected between the multiple stand columns and located over the multiple filter sieves; the limiting mechanism comprises an operation part rotationally installed between the inner side and the outer side of the upper portion of the press-fit piece, a transmission part rotationally installed in the press-fit piece and a plurality of limiting parts slidably arranged between the stand columns and the press-fit piece in a one-to-one correspondence mode, and the power output end of the operation part is connected with the transmission part; the plurality of limiting parts are movably connected with the power output end of the transmission part; when the position of the press-fit piece needs to be fixed, the operation part is rotated to drive the multiple limiting parts to move towards the corresponding stand columns through the transmission part, so that the multiple limiting parts are connected and matched with the corresponding stand columns, and the position of the press-fit piece is fixed through the combined action of the multiple limiting parts.

Description

Technical Field

[0001] The utility model relates to the technical field of vibrating screen machines, in particular to an electric vibrating screen machine. Background Art

[0002] The electric vibrating screen is a machine suitable for screening and analyzing materials in laboratories of departments such as highway, construction, geological and metallurgical research. It is usually composed of multiple layers of vibrating screen boxes from top to bottom. The aperture of the vibrating screen mesh of each layer of vibrating screen boxes gradually decreases from top to bottom. The material is put in from the top layer and is screened layer by layer under the drive of the vibration motor. Each layer will collect materials of different sizes for easy use and analysis.

[0003] In the Chinese utility model patent with authorization announcement number CN217190909U, a laboratory vibrating sieve box fastening device is disclosed, which increases the contact area between the top cover of the vibrating sieve box and the pressing piece by changing the structure of the top cover of the vibrating sieve box, thereby solving the problem that the vibrating sieve box is easy to loosen; however, when the above patent is used, the position of the pressing piece 5 needs to be fixed by tightening the three first locking bolts 7; the operation is cumbersome, time-consuming and labor-intensive, which reduces the efficiency of the vibrating sieve operation. Utility Model Content

[0004] In view of the deficiencies existing in the prior art, the utility model provides an electric vibrating screen machine, which solves the problems of low fastening efficiency and complicated operation of the electric vibrating screen pressing parts existing in the prior art.

[0005] An electric vibrating screen machine, comprising:

[0006] A vibrating screen body, on the upper part of which a plurality of columns are vertically fixedly installed along the circumference thereof, a plurality of filter screens are stacked and placed on the upper part of the vibrating screen body, and the plurality of filter screens are located between the plurality of columns;

[0007] A pressing piece, which is slidably connected between the plurality of columns and is located directly above the plurality of filter screens; and

[0008] The limiting mechanism comprises an operating part rotatably mounted between the inner and outer sides of the upper part of the pressing part, a transmission part rotatably mounted in the pressing part, and a plurality of limiting parts slidably arranged between a plurality of columns and the pressing part in a one-to-one correspondence, wherein the power output end of the operating part is connected to the transmission part, and the plurality of limiting parts are movably connected to the power output end of the transmission part;

[0009] The rotating operation part drives a plurality of limiting parts to move toward corresponding columns through the transmission part.

[0010] Compared with the prior art, the utility model has the following beneficial effects: when in use, when it is necessary to fix the position of the pressing piece, the rotating operating part drives the plurality of limiting parts to move toward the corresponding column through the transmission part, so that the plurality of limiting parts are connected and matched with the corresponding column, and the position of the pressing piece is fixed by the joint action of the plurality of limiting parts; the operation is simple and convenient, and the position of the pressing piece can be fixed quickly, which improves the fastening efficiency of the pressing piece and also improves the operating efficiency of the vibrating screen machine.

[0011] Preferably, the transmission part includes a rotating disk horizontally rotatably installed in the pressing part, and a plurality of arc-shaped protrusions are fixedly installed on the side wall of the rotating disk along its circumference, and the distance between each arc-shaped protrusion and the center of the rotating disk gradually increases from one end to the other end, and a plurality of limiting parts are slidingly connected to the side walls of the rotating disk away from the arc-shaped protrusions in a one-to-one correspondence, and the power output end of the operating part is fixedly connected to the upper end surface of the rotating disk, and a locking part is provided between the rotating disk and the pressing part for fixing the position of the rotating disk.

[0012] Preferably, each of the columns is provided with a plurality of slots along its axial direction, and each of the limiting parts includes an insertion rod which is freely slidable and passes through the pressing part and the corresponding column, one end of the insertion rod is slidably connected to the side wall of the corresponding arc-shaped protrusion on the rotating disk, and the other end is used for plugging and cooperating with the plurality of slots on the corresponding column.

[0013] Preferably, the operating part includes a rotating sleeve rotatably installed between the inner and outer sides of the upper part of the pressing piece, one end of the rotating sleeve located inside the pressing piece is fixedly connected to the rotating disk, and the first hand wheel is fixedly sleeved on the end of the rotating sleeve located outside the pressing piece.

[0014] Preferably, the pressing part includes a connecting plate, an internal threaded tube, a stud, a plurality of connecting blocks and a plurality of sliding rings, the plurality of connecting blocks are fixedly connected one-to-one between the plurality of sliding rings and the connecting plate, the plurality of sliding rings are slidingly sleeved on a plurality of columns one-to-one, the internal threaded tube is coaxially fixed through the connecting plate, the stud freely penetrates the internal threaded tube and is threadedly connected thereto, the end of the stud located above the connecting plate is fixedly sleeved with a second hand wheel, and the end of the stud located below the connecting plate is coaxially fixedly installed with a pressure pad.

[0015] Preferably, a first cavity is opened in the connecting disk, the rotating disk is located in the first cavity, the rotating sleeve and the rotating disk are both rotatably sleeved on the internal threaded tube, a plurality of insert rods are slidably passed through a plurality of connecting blocks and a plurality of sliding rings in a one-to-one correspondence, and the locking member is arranged between the connecting disk and the rotating disk.

[0016] Preferably, a second cavity is provided in the connecting disk, and the second cavity is located above the first cavity. A positioning groove is provided on the upper end surface of the rotating disk. The locking member includes a pull rod which vertically and freely passes through the first cavity and the second cavity. A baffle is fixedly sleeved on the pull rod, and the baffle is located in the second cavity. The baffle is connected to the side wall of the second cavity away from the first cavity through a spring.

[0017] Preferably, the ends of the plurality of columns away from the vibrating screen body are fixedly connected by a connecting plate.

[0018] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The utility model is a schematic structural diagram of an embodiment.

[0020] Figure 2 for Figure 1 Cross-sectional view of the pressed parts.

[0021] Figure 3 for Figure 2 A partial enlarged view of part Ⅰ.

[0022] Figure 4 for Figure 2 A partial enlarged view of middle II.

[0023] Figure 5 for Figure 2 Schematic diagram of the coordination between the rotating disk and the insertion rod.

[0024] Figure 6 for Figure 2 Front view of the end of the middle plug rod.

[0025] The numbers in the figure are as follows: 1. vibrating screen body; 2. column; 21. slot; 22. connecting plate; 3. connecting disk; 31. connecting block; 32. sliding ring; 33. first cavity; 34. second cavity; 4. rotating disk; 41. arc-shaped protrusion; 42. positioning groove; 43. rotating sleeve; 44. first hand wheel; 5. plug rod; 6. internal threaded pipe; 7. stud; 71. second hand wheel; 72. pressure pad; 8. pull rod; 81. baffle; 82. spring; 9. filter screen. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, objectives and functions of the present invention clearer and easier to understand, the present invention is further described below in conjunction with the accompanying drawings and specific implementation methods:

[0027] like Figure 1-2As shown, an embodiment of the utility model provides an electric vibrating screen machine, comprising: a vibrating screen machine body 1, on the upper part of which a plurality of columns 2 are vertically fixedly installed along its circumference, a plurality of filter screens 9 are stacked and placed on the upper part of the vibrating screen machine body 1, and the plurality of filter screens 9 are located between the plurality of columns 2; a pressing part, which is slidably connected between the plurality of columns 2 and is located directly above the plurality of filter screens 9; and a limiting mechanism, which comprises an operating part rotatably installed between the inner and outer sides of the upper part of the pressing part, a transmission part rotatably installed in the pressing part, and a plurality of limiting parts slidably arranged one by one between the plurality of columns 2 and the pressing part, the power output end of the operating part is connected to the transmission part, and the plurality of limiting parts are movably connected to the power output end of the transmission part; the rotating operating part drives the plurality of limiting parts to move toward the corresponding columns 2 through the transmission part.

[0028] When the position of the pressing part needs to be fixed, the rotating operating part drives the several limiting parts to move toward the corresponding column 2 through the transmission part, so that the several limiting parts are connected and matched with the corresponding column 2, and the position of the pressing part is fixed by the joint action of the several limiting parts; the operation is simple and convenient, and the position of the pressing part can be fixed quickly, which improves the fastening efficiency of the pressing part and also improves the operating efficiency of the vibrating screen machine.

[0029] like Figure 1-2 as well as Figure 4-6 As shown, according to another embodiment of the utility model, the electric vibrating screen machine is further optimized in terms of the transmission part, the limiting part and the operating part included therein, the transmission part includes a rotating disk 4 which is horizontally rotatably installed in the pressing part, and a plurality of arc-shaped protrusions 41 are fixedly installed on the side wall of the rotating disk 4 along its circumference, and the distance from the center of the rotating disk 4 to each arc-shaped protrusion 41 gradually increases from one end to the other end, and a plurality of limiting parts are slidably connected to the side walls of the rotating disk 4 away from the plurality of arc-shaped protrusions 41 in a one-to-one manner, and the power output end of the operating part is fixedly connected to the upper end surface of the rotating disk 4, and a locking part is provided between the rotating disk 4 and the pressing part for fixing the position of the rotating disk 4.

[0030] Each of the columns 2 is provided with a plurality of slots 21 along its axial direction, and each of the limiting parts includes an insertion rod 5 that is freely slidable and passes through the pressing piece and the corresponding column 2. One end of the insertion rod 5 is slidably connected to the side wall of the corresponding arc-shaped protrusion 41 on the rotating disk 4, and the other end is used for plugging and cooperating with the plurality of slots 21 on the corresponding column 2; and preferably, a T-slot is provided on the side wall of each arc-shaped protrusion 41, and one end of each insertion rod 5 is also a T-shaped structure, and one end of the T-shaped structure of the insertion rod 5 is arc-shaped, so as to facilitate more stable sliding between the insertion rod 5 and the corresponding arc-shaped protrusion 41.

[0031] The operating part includes a rotating sleeve 43 that is rotatably installed between the inner and outer sides of the upper part of the pressing piece. One end of the rotating sleeve 43 located inside the pressing piece is fixedly connected to the rotating disk 4, and a first hand wheel 44 is fixedly sleeved on the other end of the rotating sleeve 43 located outside the pressing piece.

[0032] The first hand wheel 44 is operated to drive the rotating sleeve 43 to rotate, thereby driving the rotating disk 4 to rotate, so that a relative sliding occurs between the plurality of arc-shaped protrusions 41 and the corresponding insertion rods 5, driving the plurality of insertion rods 5 to slide toward the corresponding columns 2 until each insertion rod 5 is inserted into the corresponding slot 21, and the position of the pressing part is fixed by the joint cooperation of the plurality of insertion rods 5.

[0033] like Figure 1-2 As shown, according to another embodiment of the utility model, the electric vibrating screen machine is further optimized in terms of the transmission part, the limiting part and the operating part included therein, and the pressing part includes a connecting plate 3, an internal threaded tube 6, a stud 7 and a plurality of connecting blocks 31 and a plurality of sliding rings 32, a plurality of the connecting blocks 31 are fixedly connected between the plurality of sliding rings 32 and the connecting plate 3 in a one-to-one correspondence, a plurality of sliding rings 32 are slidingly sleeved on a plurality of columns 2 in a one-to-one correspondence, the internal threaded tube 6 is coaxially fixed through the connecting plate 3, the stud 7 freely penetrates the internal threaded tube 6 and is threadedly connected thereto, a second hand wheel 71 is fixedly sleeved on one end of the stud 7 located above the connecting plate 3, and a pressure pad 72 is coaxially fixedly installed on one end of the stud 7 located below the connecting plate 3; the stud 7 is driven to rotate by rotating the second hand wheel 71, and the stud 7 is driven to move downward in the vertical direction, so that the pressure pad 72 presses a plurality of filter screens 9.

[0034] And preferably, a first cavity 33 is opened in the connecting disk 3, the rotating disk 4 is located in the first cavity 33, the rotating sleeve 43 and the rotating disk 4 are both rotatably sleeved on the internal threaded tube 6, a plurality of insert rods 5 are slidably passed through between a plurality of connecting blocks 31 and a plurality of sliding rings 32 in a one-to-one correspondence, and the locking member is arranged between the connecting disk 3 and the rotating disk 4.

[0035] like Figure 1-3As shown, according to another embodiment of the utility model, the electric vibrating screen machine further optimizes the locking member included therein, preferably, a second cavity 34 is opened in the connecting disk 3, and the second cavity 34 is located above the first cavity 33, and a positioning groove 42 is opened on the upper end surface of the rotating disk 4, and the locking member includes a pull rod 8 which vertically and freely passes through the first cavity 33 and the second cavity 34, and a baffle 81 is fixedly sleeved on the pull rod 8, and the baffle 81 is located in the second cavity 34, and the baffle 81 is connected to the side wall of the second cavity 34 away from the first cavity 33 by a spring 82; when a plurality of insertion rods 5 are inserted into a plurality of slots 21 one by one, the positioning groove 42 of the rotating disk 4 is just rotated to the pull rod 8, and the pull rod 8 is inserted into the positioning groove 42 under the action of the spring 82 to fix the position of the rotating disk 4.

[0036] like Figure 1 As shown, according to another embodiment of the utility model, in the electric vibrating screen machine, preferably, a plurality of columns 2 are fixedly connected at one end away from the vibrating screen machine body 1 by a connecting plate 22 to prevent the sliding ring 32 from detaching from the column 2.

[0037] The use principle of the utility model is as follows: when the utility model is used, the initial state of the pull rod 8 is to abut against the end surface of the rotating disk 4, and at the same time, the baffle 81 compresses the spring 82. When the position of the connecting disk 3 is fixed, the first hand wheel 44 is operated to drive the rotating sleeve 43 to rotate, so as to drive the rotating disk 4 to rotate, so that a plurality of arc-shaped protrusions 41 and corresponding plug rods 5 slide relative to each other, and drive a plurality of plug rods 5 to slide toward the corresponding column 2, until each plug rod 5 is inserted into the corresponding slot 21, and through the joint cooperation of a plurality of plug rods 5, The position of the connecting disk 3 is fixed. During the process of inserting the plurality of insertion rods 5 into the plurality of slots 21 one by one, the positioning groove 42 of the rotating disk 4 rotates along with the positioning groove 42. When the insertion rod 5 is fully inserted into the slot 21, the positioning groove 42 rotates to the pull rod 8. Under the action of the spring 82, the pull rod 8 is inserted into the positioning groove 42 to fix the position of the rotating disk 4. Then, the second hand wheel 71 is rotated to drive the stud 7 to rotate, and the stud 7 is driven to move downward in the vertical direction, so that the pressure pad 72 presses the plurality of filter screens 9.

[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. An electric vibrating screen machine, characterized in that: include: A vibrating screen body (1) has a plurality of columns (2) vertically fixedly mounted on its upper part along its circumference, a plurality of filter screens (9) are stacked and placed on the upper part of the vibrating screen body (1), and the plurality of filter screens (9) are located between the plurality of columns (2); A pressing piece, which is slidably connected between the plurality of uprights (2) and is located directly above the plurality of filter screens (9); as well as The limiting mechanism comprises an operating part rotatably mounted between the inner and outer sides of the upper part of the pressing part, a transmission part rotatably mounted in the pressing part, and a plurality of limiting parts slidably arranged one by one between a plurality of uprights (2) and the pressing part, wherein the power output end of the operating part is connected to the transmission part, and the plurality of limiting parts are movably connected to the power output end of the transmission part; The rotating operation part drives a plurality of limiting parts to move toward corresponding upright posts (2) through the transmission part.

2. The electric vibrating screen machine according to claim 1, characterized in that: The transmission part comprises a rotating disk (4) which is horizontally rotatably mounted in the pressing part. A plurality of arc-shaped protrusions (41) are fixedly mounted on the side wall of the rotating disk (4) along its circumference. The distance between each arc-shaped protrusion (41) and the center of the rotating disk (4) gradually increases from one end to the other end. A plurality of limiting parts are slidably connected to the side walls of the arc-shaped protrusions (41) away from the rotating disk (4) in a one-to-one correspondence. The power output end of the operating part is fixedly connected to the upper end surface of the rotating disk (4). A locking part is provided between the rotating disk (4) and the pressing part to fix the position of the rotating disk (4).

3. The electric vibrating screen machine according to claim 2, characterized in that: Each of the columns (2) is provided with a plurality of slots (21) along its axial direction, and each of the limiting parts comprises an insertion rod (5) which is freely slidably penetrated between the pressing piece and the corresponding column (2), one end of the insertion rod (5) is slidably connected to the side wall of the corresponding arc-shaped protrusion (41) on the rotating disk (4), and the other end is used for plugging and matching with the plurality of slots (21) on the corresponding column (2).

4. The electric vibrating screen machine according to claim 3, characterized in that: The operating part comprises a rotating sleeve (43) which is rotatably installed between the inner and outer sides of the upper part of the pressing part. One end of the rotating sleeve (43) located inside the pressing part is fixedly connected to the rotating disk (4), and the other end of the rotating sleeve (43) located outside the pressing part is fixedly sleeved with a first hand wheel (44).

5. The electric vibrating screen machine according to claim 4, characterized in that: The press-fitting part comprises a connecting plate (3), an internally threaded tube (6), a stud (7), a plurality of connecting blocks (31) and a plurality of sliding rings (32); the plurality of connecting blocks (31) are fixedly connected between the plurality of sliding rings (32) and the connecting plate (3) in a one-to-one correspondence; the plurality of sliding rings (32) are slidingly sleeved on the plurality of columns (2) in a one-to-one correspondence; the internally threaded tube (6) is coaxially fixedly passed through the connecting plate (3); the stud (7) freely passes through the internally threaded tube (6) and is threadedly connected thereto; one end of the stud (7) located above the connecting plate (3) is fixedly sleeved with a second hand wheel (71); and one end of the stud (7) located below the connecting plate (3) is coaxially fixedly installed with a pressure pad (72).

6. The electric vibrating screen machine according to claim 5, characterized in that: A first cavity (33) is provided in the connecting disk (3), the rotating disk (4) is located in the first cavity (33), the rotating sleeve (43) and the rotating disk (4) are both rotatably sleeved on the internal threaded tube (6), a plurality of insert rods (5) are slidably inserted between a plurality of connecting blocks (31) and a plurality of sliding rings (32) in a one-to-one correspondence, and the locking member is arranged between the connecting disk (3) and the rotating disk (4).

7. The electric vibrating screen machine according to claim 6, characterized in that: A second cavity (34) is provided in the connecting disk (3), and the second cavity (34) is located above the first cavity (33). A positioning groove (42) is provided on the upper end surface of the rotating disk (4). The locking member includes a pull rod (8) vertically and freely passing through the first cavity (33) and the second cavity (34). A baffle (81) is fixedly sleeved on the pull rod (8), and the baffle (81) is located in the second cavity (34). The baffle (81) is connected to the side wall of the second cavity (34) away from the first cavity (33) through a spring (82).

8. The electric vibrating screen machine according to claim 1, characterized in that: The ends of the plurality of upright posts (2) away from the vibrating screen body (1) are fixedly connected via a connecting plate (22).

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