Vibrating screen for powder detection

Abstract

The utility model relates to the technical field of vibrating screens, in particular to a vibrating screen for powder detection, which comprises a vibrating mechanism, a tray fixed at the top of the vibrating mechanism and a top cover, two upright posts are fixedly connected to the edge of the top of the tray, and two positioning sleeves are fixedly connected to the outer surface of the top cover. The top cover is slidably connected to the outer surface of the stand column in a sleeving mode through a positioning sleeve, a sliding groove is fixedly connected to the edge of the top of the top cover, an ejector rod is slidably connected to the interior of the sliding groove, a rubber pad is fixedly connected to one end of the ejector rod, a threaded rod is rotatably connected to the center of the top of the top cover, and a lifting sleeve is in threaded connection to the outer surface of the threaded rod. A supporting rod is hinged to the surface of the lifting sleeve. The top cover fixing device has the advantages that when the top cover is fixed, the lifting sleeve descends by rotating the screw rod, so that the ejector rod moves towards the stand column, the rubber pad abuts against the stand column, the purpose of fixing the top cover is achieved, only one screw rod needs to be rotated, operation is easy, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of vibrating screen, especially a vibrating screen for powder detection. BACKGROUND

[0002] In the aluminum powder processing, the aluminum powder needs to be sampled and detected, and the detection of the aluminum powder includes the detection of the content of different particle sizes of the aluminum powder, so that the vibrating screen for powder detection is needed to screen the sampled aluminum powder sample. The existing vibrating screen for powder detection mainly includes a vibrating mechanism at the bottom and a tray for installing a screen frame at the top, wherein two or three columns are usually arranged at the edge of the top of the tray, the screen frames are stacked on the tray, and are located between the columns, a top cover is sleeved on the plurality of columns, a positioning bolt is arranged at the connection part of the top cover and the column, the top cover is pressed on the top of the uppermost screen frame, the positioning bolt on the top cover is tightened to tightly press the surface of the column, so that the fixing of the top cover is realized, and the top cover and the tray clamp the screen frame, so that the problem of loose falling of the screen frame in the vibration process is avoided. However, the existing top cover has the following defects when fixed:

[0003] The positioning bolt is arranged at the connection part of the top cover and each column, a plurality of positioning bolts need to be rotated to fix the top cover, and a plurality of positioning bolts need to be loosened when the screen frame is disassembled, so that the operation is relatively complex. UTILITY MODEL CONTENTS

[0004] The utility model aims to solve at least one of the technical defects in the background art.

[0005] Therefore, one purpose of the utility model is to provide a vibrating screen for powder detection, which aims to solve the problem of complex operation when fixing the top cover of the vibrating screen for powder detection in the prior art.

[0006] In order to achieve the above purpose, an embodiment of the utility model provides a vibrating screen for powder detection, which comprises a vibrating mechanism, a tray fixed at the top of the vibrating mechanism, and a top cover, two columns are fixedly connected at the edge of the top of the tray, the outer surface of the top cover is fixedly connected with two positioning sleeves, the top cover is sleeved on the outer surface of the column through the positioning sleeve, a sliding groove is fixedly connected at the edge of the top of the top cover, a top rod is slidably connected in the sliding groove, a rubber pad is fixedly connected to one end of the top rod, a screw rod is rotatably connected at the center of the top of the top cover, a lifting sleeve is threadedly connected to the outer surface of the screw rod, a support rod is hinged to the surface of the lifting sleeve, and the end of the support rod away from the lifting sleeve is hinged to the top rod.

[0007] The beneficial effect is that when the top cover is fixed, the lifting sleeve is lowered by rotating the screw rod, the top rod moves towards the column, the rubber pad is pressed against the column, thereby achieving the purpose of fixing the top cover, only one screw rod needs to be rotated, thereby the operation is simple and convenient to use.

[0008] Preferably, the surface of the column is fixedly connected with longitudinally arranged convex points.

[0009] The beneficial effect is that the rubber pad itself has elasticity, when the rubber pad is in contact with the column, the convex points can sink into the interior of the rubber pad, thereby further increasing the friction, and the firmness of the fixed top cover can be ensured.

[0010] Preferably, the vibration mechanism comprises a support disc and a vibration disc, the support disc and the vibration disc are elastically connected through a spring, a vibration motor is fixedly installed at the middle part of the vibration disc, a support leg is fixedly connected at the edge of the bottom of the tray, the bottom end of the support leg is fixedly connected to the top of the vibration disc, a support cylinder is fixedly connected to the bottom of the support disc, a base is fixedly connected to the bottom of the support cylinder, a plurality of sleeves are fixedly connected at the edge of the bottom of the support disc, a pair of positioning cylinders are fixedly connected to the top of the vibration disc, the spring is inserted into the support cylinder, and the top end of the spring is inserted into the positioning cylinder.

[0011] The beneficial effect is that the spring is inserted into the support cylinder and the positioning cylinder, the support cylinder and the positioning cylinder position the spring to prevent it from falling off, thereby achieving the purpose of elastically connecting the support disc and the vibration disc, facilitating the assembly of the support disc and the vibration disc, and achieving the purpose of convenient production.

[0012] Preferably, the bottom of the support cylinder is threadedly connected with an adjusting screw rod, the top end of the adjusting screw rod is rotatably connected with a support plate, and a groove is formed in the outer surface of the positioning cylinder.

[0013] The beneficial effect is that when assembling, if there is a slight error in the length of the spring, causing part of the spring to not contact the top wall in the positioning cylinder, the height of the support plate can be adjusted by rotating the adjusting screw rod, thereby ensuring that each spring can support the positioning cylinder, and avoiding the problem of the vibration disc being skewed.

[0014] Preferably, the top of the top cover is fixedly connected with a support frame, a worm is rotatably connected in the support frame, one end of the worm is fixedly connected with a handle, the outer surface of the top end of the screw rod is fixedly connected with a worm wheel, and the worm wheel is engaged with the worm.

[0015] The beneficial effect is that the worm is rotated to drive the worm wheel, thereby achieving the purpose of driving the screw rod to rotate, in the case of the same force, the torque can be increased, thereby rotating the screw rod, and the rubber pad is pressed against the column more labor-saving.

[0016] Additional aspects and advantages of the present application will be set forth in part in the following description, and in part will become apparent to those skilled in the art upon examination of the following description, or can be learned by practice of the application. BRIEF DESCRIPTION OF DRAWINGS

[0017] The above and / or additional aspects and advantages of the present application will become apparent and be readily appreciated from the following description, taken in conjunction with the following drawings, in which:

[0018] Figure 1 is a structural schematic view of the present application.

[0019] Figure 2 is a structural schematic view of the top cover in the first embodiment of the present application.

[0020] Figure 3 is a structural schematic view of the vibration mechanism in the second embodiment of the present application.

[0021] Figure 4 is a structural schematic view of the top cover in the third embodiment of the present application.

[0022] Wherein: 1, tray, 11, column, 12, convex point, 13, support leg, 2, top cover, 21, positioning sleeve, 22, sliding groove, 23, top rod, 24, rubber pad, 25, screw rod, 26, lifting sleeve, 27, support rod, 3, spring, 4, support disc, 41, support cylinder, 42, base, 43, sleeve, 44, adjusting screw, 45, support plate, 5, vibration disc, 51, positioning cylinder, 52, vibration motor, 53, hole groove, 6, support frame, 61, worm, 62, handle, 63, worm wheel. DETAILED DESCRIPTION

[0023] The embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0024] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium, or can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] The present application provides a kind of vibration screen for powder detection.

[0026] Embodiment one:

[0027] As shown in Figures 1-2 , it comprises a vibrating mechanism, a tray 1 fixed on the top of the vibrating mechanism, and a top cover 2, two vertical columns 11 are fixedly connected at the edge of the top of the tray 1, two positioning sleeves 21 are fixedly connected on the outer surface of the top cover 2, the top cover 2 is sleeved on the outer surface of the vertical column 11 through the positioning sleeve 21, so that the top cover 2 can slide up and down on the outer surface of the vertical column 11, thereby achieving the purpose of clamping or loosening the screen frame, a sliding groove 22 is fixedly connected at the edge of the top of the top cover 2, a top rod 23 is slidably connected in the sliding groove 22, a rubber pad 24 is fixedly connected at one end of the top rod 23, the top rod 23 corresponds to the position of the vertical column 11, the top rod 23 slides towards the vertical column 11, and the rubber pad 24 can abut against the vertical column 11. The function of the rubber pad 24 is to increase the friction, so that the top cover 21 cannot shake up and down during the vibration process, a screw rod 25 is rotatably connected at the center of the top of the top cover 2, a lifting sleeve 26 is threadedly connected on the outer surface of the screw rod 25, a supporting rod 27 is hinged on the surface of the lifting sleeve 26, and one end of the supporting rod 27 away from the lifting sleeve 26 is hinged with the top rod 23. By rotating the screw rod 25, the lifting sleeve 26 can be raised and lowered, so that the top rod 23 can be pushed to slide through the supporting rod 27, so that the rubber pad 24 at the end of the top rod 23 can abut against or move away from the vertical column 11.

[0028] Preferably, the surface of the vertical column 1 is fixedly connected with longitudinally arranged convex points 12, and the rubber pad 24 itself has elasticity. When the rubber pad 24 abuts against the vertical column 11, the convex points 12 can be sunk into the inside of the rubber pad 24, so as to further increase the friction and ensure the firmness of the top cover 2.

[0029] The working principle of the embodiment is as follows: in use, after a plurality of screen frames are stacked on the top of the tray 1, an aluminum powder sample is placed in the uppermost screen frame, the top cover 2 is lowered to press the screen frame, then the lifting sleeve 26 is lowered by rotating the screw rod 25, so that the top rod 23 moves towards the vertical column 11, and the rubber pad 24 tightly abuts against the vertical column 11, thereby achieving the purpose of fixing the top cover 2. Finally, the vibrating mechanism is started to drive the tray 1 to vibrate, so that the screen frame vibrates, thereby achieving the purpose of screening aluminum powder of different particle sizes. After screening is completed, the lifting sleeve 26 is raised by rotating the screw rod 25, the rubber pad 24 is loosened from the vertical column 11, then the top cover 2 is slid upward, the screw rod 25 is rotated again to fix the top cover 2, and then the screen frame can be taken out.

[0030] Embodiment two:

[0031] As shown in Figure 1 and Figure 3As shown, on the basis of embodiment one, the vibrating mechanism comprises a support disc 4 and a vibrating disc 5, the support disc 4 and the vibrating disc 5 are elastically connected through a spring 3, the middle part of the vibrating disc 5 is fixedly installed with a vibrating motor 52, the vibrating motor 52 is started, and the vibrating disc 5 can be driven to generate vibration, the edge of the bottom of the tray 1 is fixedly connected with a support leg 13, the bottom end of the support leg 13 is fixedly connected to the top of the vibrating disc 5, and the tray 1 is fixed above the vibrating disc 5, so that the vibration of the vibrating disc 5 can drive the tray 1 to vibrate.

[0032] Preferably, as Figure 3 As shown, the bottom of the support disc 4 is fixedly connected with a support cylinder 41, the bottom of the support cylinder 41 is fixedly connected with a base 42, the edge of the bottom of the support disc 4 is fixedly connected with a plurality of sleeves 43, the top of the support disc 4 is provided with a through hole at a position corresponding to the support cylinder 41, the top of the vibrating disc 5 is fixedly connected with a positioning cylinder 51, and the bottom of the vibrating disc 5 is provided with a through hole at a position corresponding to the positioning cylinder 51, so that the spring 3 is inserted into the support cylinder 41, and the top end of the spring 3 is inserted into the positioning cylinder 51, and the support cylinder 41 and the positioning cylinder 51 can position the spring 3, which is convenient for assembly and can prevent the spring 3 from falling off.

[0033] Preferably, the bottom of the support cylinder 41 is threadedly connected with an adjusting screw 44, and the top end of the adjusting screw 44 is rotatably connected with a support plate 45, and the height of the support plate 45 can be adjusted by rotating the adjusting screw 44, so that when there is a slight error in the length of the spring 3 during assembly, and some of the springs 3 cannot contact the top wall in the positioning cylinder 51, the height of the support plate 45 can be adjusted to ensure that each spring 3 can support the positioning cylinder 51, and the outer surface of the positioning cylinder 51 is provided with a groove 53, which facilitates observation of whether the top end of the spring 3 contacts the top wall in the positioning cylinder 51, thereby facilitating operation of the adjusting screw 44.

[0034] Embodiment three:

[0035] As Figure 4 As shown, on the basis of embodiment one or embodiment two, the top of the top cover 2 is fixedly connected with a support frame 6, the inside of the support frame 6 is rotatably connected with a worm 61, one end of the worm 61 is fixedly connected with a handle 62, the outer surface of the top end of the screw rod 25 is fixedly connected with a worm wheel 63, the worm wheel 63 is engaged with the worm 61, the worm wheel 63 can be driven to rotate by rotating the worm 61 through the handle 62, so as to achieve the purpose of driving the screw rod 25 to rotate, and the setting of the worm wheel 63 and the worm 61 can achieve the purpose of increasing the torque, so as to rotate the screw rod 25, and it is more labor-saving when the rubber pad 24 is tightly pressed against the stand 11.

Claims

1. A vibrating screen for powder detection, comprising a vibrating mechanism, a tray (1) fixed on the top of the vibrating mechanism, and a top cover (2), characterized in that, The edge of the top of the tray (1) is fixedly connected with two columns (11), the outer surface of the top cover (2) is fixedly connected with two positioning sleeves (21), the top cover (2) is sleeved on the outer surface of the column (11) through the positioning sleeve (21), the edge of the top of the top cover (2) is fixedly connected with a sliding groove (22), the inside of the sliding groove (22) is slidably connected with a top rod (23), one end of the top rod (23) is fixedly connected with a rubber pad (24), the top of the top cover (2) is rotatably connected with a screw rod (25), the outer surface of the screw rod (25) is threadedly connected with a lifting sleeve (26), the surface of the lifting sleeve (26) is hingedly connected with a supporting rod (27), the end of the supporting rod (27) away from the lifting sleeve (26) is hingedly connected with the top rod (23).

2. The shaker screen for powder detection of claim 1, wherein, The surface of the column (11) is fixedly connected with longitudinally arranged convex points (12).

3. The shaker screen for powder detection of claim 1, wherein, The vibration mechanism comprises a supporting disc (4) and a vibrating disc (5), the supporting disc (4) and the vibrating disc (5) are elastically connected through a spring (3), the middle part of the vibrating disc (5) is fixedly installed with a vibration motor (52), the edge of the bottom of the tray (1) is fixedly connected with a supporting leg (13), the bottom end of the supporting leg (13) is fixedly connected to the top of the vibrating disc (5).

4. The shaker screen for powder detection of claim 3, wherein, The bottom of the supporting disc (4) is fixedly connected with a supporting cylinder (41), the bottom of the supporting cylinder (41) is fixedly connected with a base (42), the edge of the bottom of the supporting disc (4) is fixedly connected with a plurality of sleeve cylinders (43), the top of the vibrating disc (5) is fixedly connected with a pair of positioning cylinders (51), the spring (3) is inserted into the supporting cylinder (41), and the top end of the spring (3) is inserted into the positioning cylinder (51).

5. The shaker screen for powder detection of claim 4, wherein, The bottom of the supporting cylinder (41) is threadedly connected with an adjusting screw rod (44), the top end of the adjusting screw rod (44) is rotatably connected with a supporting plate (45).

6. The shaker screen for powder detection of claim 5, wherein, The outer surface of the positioning cylinder (51) is provided with a hole groove (53).

7. A vibrating screen for powder detection according to any one of claims 1-6, characterized in that, The top of the top cover (2) is fixedly connected with a supporting frame (6), the inside of the supporting frame (6) is rotatably connected with a worm (61), one end of the worm (61) is fixedly connected with a handle (62), the outer surface of the top end of the screw rod (25) is fixedly connected with a worm wheel (63), and the worm wheel (63) is engaged with the worm (61).

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