Eccentric vibration balancing device for specific gravity cleaner

Abstract

The utility model provides an eccentric vibration balancing device for a specific gravity cleaner, which belongs to the technical field of material cleaners and comprises a rotating shaft, an eccentric block and a connecting component. The rotating shaft is rotationally arranged on a rack of the specific gravity cleaner; the two ends of the rotating shaft penetrate through the two opposite sides of the rack correspondingly. One side of the eccentric block is connected with a mounting column; the connecting part can sleeve the mounting column and the rotating shaft; the connecting part can enable the eccentric block to abut against the rotating shaft; a rotation stopping structure is arranged between the peripheral wall of the rotating shaft and the eccentric block so as to limit relative rotation of the eccentric block and the rotating shaft; the eccentric block is connected to the rotating shaft through the connecting part, and the position between the eccentric block and the rotating shaft can be preliminarily fixed; by arranging the rotation stopping structure between the rotating shaft and the eccentric block, in the process that the eccentric block rotates along with the rotating shaft, relative rotation between the eccentric block and the rotating shaft can be reduced, and the stability of the whole machine in the moving process is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to material cleaning machine technical field, and specifically relates to an eccentric vibration balancing device for specific gravity cleaning machine. BACKGROUND

[0002] In the use process of the traditional specific gravity cleaning equipment, the material passes through a vertical air screen and then enters the specific gravity table for specific gravity screening, and the screened material can fall into the discharge hopper and be discharged through the discharge hopper. In order to offset the overall vibration effect, the specific gravity cleaning machine in the prior art is provided with an eccentric vibration balancing device on the rack through bearings.

[0003] The existing eccentric vibration balancing device comprises two eccentric blocks and counterweight blocks, a plurality of counterweight blocks are arranged between the two eccentric blocks, and the eccentric blocks and the counterweight blocks are connected through a pin shaft; a connecting plate is arranged on each of the two eccentric blocks, and a through hole is arranged on the connecting plate; a connecting component is connected with the rotating shaft through a U-shaped rod, and the end portion of the U-shaped rod has external threads; after the end portion of the U-shaped rod passes through the connecting component, the eccentric block is fixed on the rotating shaft through a nut, and the above-mentioned connecting mode is that the curved section of the U-shaped rod is in contact with the outer peripheral wall of the rotating shaft. In the process of rotating the rotating shaft, the eccentric block can rotate around the rotating shaft to balance the vibration generated by the movement of other components of the specific gravity cleaning machine, so that the specific gravity cleaning machine is more stable during use.

[0004] However, the mode that the eccentric block is connected to the rotating shaft through the U-shaped rod is prone to relative rotation between the eccentric block and the rotating shaft, that is, the phenomenon of slipping occurs, and therefore the normal use of the eccentric block is affected. INVENTION CONTENTS

[0005] The utility model embodiment provides an eccentric vibration balancing device for specific gravity cleaning machine, and aims to solve the problem that the eccentric block and the rotating shaft in the prior art are prone to relative rotation.

[0006] To achieve the above-mentioned purpose, the utility model adopts the technical scheme that:

[0007] An eccentric vibration balancing device for specific gravity cleaning machine is provided, comprising:

[0008] A rotating shaft is rotatably arranged on the rack of the specific gravity cleaning machine; the two ends of the rotating shaft pass through the opposite sides of the rack respectively;

[0009] An eccentric block is connected with a mounting column on one side;

[0010] A connecting component can be sleeved on the mounting column and the rotating shaft; the connecting component can abut the eccentric block and the rotating shaft together;

[0011] Wherein, a rotation stopping structure is arranged between the outer peripheral wall of the rotating shaft and the eccentric block to limit the relative rotation of the eccentric block and the rotating shaft.

[0012] In a possible implementation, the rotation-stopping structure comprises:

[0013] a plug-in part fixed on the eccentric block or fixed on the outer peripheral wall of the mounting column; wherein the outer peripheral wall of the rotating shaft has a first insertion slot for plug-in cooperation with the plug-in part.

[0014] In a possible implementation, the plug-in part has a first pin hole, and the outer peripheral wall of the rotating shaft has a second pin hole in communication with the first insertion slot, and the second pin hole is alignable with the first pin hole; wherein when the plug-in part is plug-in cooperated with the first insertion slot, the rotating shaft and the plug-in part are connected by a positioning pin.

[0015] In a possible implementation, the plug-in part is one of a cylindrical structure, a prism structure and an irregular column.

[0016] In a possible implementation, the mounting column has a first connecting slot, and the rotating shaft has a second connecting slot alignable with the first connecting slot; the rotation-stopping structure comprises:

[0017] a rotation-stopping plate, both ends of the rotation-stopping plate being plug-in cooperated with the first connecting slot and the second connecting slot respectively.

[0018] In a possible implementation, the first connecting slot and the second connecting slot are arranged along the direction of the rotating shaft axis, one side of the first connecting slot being in communication with the side wall of the mounting column, and one side of the second connecting slot being in communication with the side of the rotating shaft; a second insertion slot is formed between the first connecting slot and the second connecting slot; the rotation-stopping plate is interference-fitted with the second insertion slot.

[0019] In a possible implementation, the first connecting slot and the second connecting slot are arranged along the radial direction of the rotating shaft; the first connecting slot penetrates through the mounting column, and the rotation-stopping plate is interference-fitted with the second connecting slot.

[0020] In a possible implementation, the eccentric block is provided with a plurality of counterweight blocks along the thickness direction, and the counterweight blocks are detachably connected with the eccentric block.

[0021] In a possible implementation, the connecting part comprises:

[0022] a U-shaped rod sleeved on the mounting column and the rotating shaft;

[0023] a connecting plate tangent to the rotating shaft, the connecting plate being provided with a through hole for the end of the U-shaped rod to pass through, wherein the passing-out end of the U-shaped rod is externally threaded, and the connecting plate is provided with a locking nut threadedly cooperated with the U-shaped rod.

[0024] In a possible implementation, the rotation-stopping structure comprises a rotation-stopping bolt, the connecting plate has a threaded hole threadedly matched with the rotation-stopping bolt, and the rotating shaft has a positioning hole insertedly matched with the rotation-stopping bolt.

[0025] The eccentric vibration balancing device for the specific gravity cleaning machine has the advantages that the eccentric block is connected to the rotating shaft through the connecting component, the position between the eccentric block and the rotating shaft can be preliminarily fixed, the rotation-stopping structure is arranged between the rotating shaft and the eccentric block, the relative rotation between the eccentric block and the rotating shaft can be reduced during the rotation of the eccentric block following the rotating shaft, and the stability of the whole machine during the movement is improved. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 A schematic view of the eccentric vibration balancing device for the specific gravity cleaning machine is provided for the embodiment of the utility model;

[0027] Figure 2 A schematic view of the rotation-stopping structure part of the eccentric vibration balancing device for the specific gravity cleaning machine is provided for the embodiment of the utility model;

[0028] Figure 3 A schematic view of the counterweight part of the eccentric vibration balancing device for the specific gravity cleaning machine is provided for the embodiment of the utility model;

[0029] Figure 4 A schematic view of the eccentric block part of the eccentric vibration balancing device for the specific gravity cleaning machine is provided for the embodiment of the utility model;

[0030] Figure 5 A schematic view of the mounting column part of the eccentric vibration balancing device for the specific gravity cleaning machine is provided for the embodiment of the utility model.

[0031] The reference signs are explained as follows: 1, rotating shaft; 2, eccentric block; 21, mounting column; 3, connecting component; 31, U-shaped rod; 32, connecting plate; 33, locking nut; 4, rotation-stopping structure; 41, insertion part; 42, first insertion slot; 43, first pin hole; 44, second pin hole; 45, first connecting slot; 46, second connecting slot; 47, rotation-stopping plate; 48, positioning pin; 49, rotation-stopping bolt; 5, counterweight. DETAILED DESCRIPTION

[0032] In order to make the technical problems, technical solutions and beneficial effects of the utility model clearer, the utility model is further described in detail in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and do not limit the utility model.

[0033] Please refer to Figures 1 to 5The utility model provides a kind of eccentric vibration balancing device for specific gravity cleaning machine, and compared with prior art, eccentric block 2 is connected on the rotating shaft 1 by connecting component 3, the position between eccentric block 2 and rotating shaft 1 can be primarily fixed;By setting the rotation-stopping structure 4 between rotating shaft 1 and eccentric block 2, the relative rotation between eccentric block 2 and rotating shaft 1 can be reduced in the process that eccentric block 2 rotates with rotating shaft 1, improve the stability of whole machine in the process of movement.

[0034] The utility model provides a kind of eccentric vibration balancing device for specific gravity cleaning machine, and compared with prior art, eccentric block 2 is connected on the rotating shaft 1 by connecting component 3, the position between eccentric block 2 and rotating shaft 1 can be primarily fixed;By setting the rotation-stopping structure 4 between rotating shaft 1 and eccentric block 2, the relative rotation between eccentric block 2 and rotating shaft 1 can be reduced in the process that eccentric block 2 rotates with rotating shaft 1, improve the stability of whole machine in the process of movement.

[0035] Exemplarily, several groups of eccentric blocks 2 are arranged along the axial direction of the rotating shaft 1, each group of eccentric blocks 2 is fixed on the rotating shaft 1 by the connecting component 3, and one of the groups of eccentric blocks 2 is taken as an example for illustration. Each group of eccentric blocks 2 is two, and the mounting columns 21 are fixedly arranged on the two eccentric blocks 2. When the two eccentric blocks 2 are combined together, the two mounting columns 21 are arranged outward. A plurality of counterweight blocks 5 are arranged between the two eccentric blocks 2. The counterweight blocks 5 are arranged along the thickness direction of the eccentric blocks 2 and have the same shape as the eccentric blocks 2. Threaded holes are arranged on each of the counterweight blocks 5 and the eccentric blocks 2. The eccentric blocks 2 and the counterweight blocks 5 are fixed as a whole by screwing the counterweight blocks 5 and the eccentric blocks 2 with the threaded holes. The threaded holes on each of the counterweight blocks 5 and the eccentric blocks 2 can be two, so as to improve the connection strength between the counterweight blocks 5 and the eccentric blocks 2.

[0036] Exemplarily, the counterweight blocks 5 and the eccentric blocks 2 can be provided with through holes aligned with each other. The threaded ends of the bolts pass through the through holes of the counterweight blocks 5 and the eccentric blocks 2, and the bolts are screwed with the nuts, so as to fix the eccentric blocks 2 and the counterweight blocks 5 together. The bolts on the counterweight blocks 5 and the eccentric blocks 2 can be two, so as to strengthen the connection between the counterweight blocks 5 and the eccentric blocks 2 by the cooperation of the two bolts and the nuts.

[0037] In some embodiments, as Figures 1 to 5As shown, the rotation-stopping structure 4 comprises a plug-in part 41 fixed on the eccentric block 2 or the outer wall of the mounting column 21; the outer wall of the rotating shaft 1 has a first slot 42 for plug-in cooperation with the plug-in part 41; the plug-in part 41 is one of a cylindrical structure, a prism structure and an irregular column.

[0038] It should be noted that when the eccentric block 2 is installed on the rotating shaft 1, the plug-in part 41 is first inserted into the first slot 42, and then the connecting part 3 is used to fix the position between the eccentric block 2 and the rotating shaft 1; through the above fixing method, on the one hand, the eccentric block 2 can be prevented from falling off the rotating shaft 1, and on the other hand, the eccentric block 2 can be prevented from rotating relative to the rotating shaft 1.

[0039] In some embodiments, as shown in the first aspect, Figures 1 to 5 the plug-in part 41 has a first pin hole 43, the outer wall of the rotating shaft 1 has a second pin hole 44 in communication with the first slot 42, and the second pin hole 44 can be aligned with the first pin hole 43; when the plug-in part 41 is plug-in cooperated with the first slot 42, the rotating shaft 1 and the plug-in part 41 are connected through a positioning pin 48.

[0040] It should be noted that after the plug-in part 41 is inserted into the first slot 42 of the rotating shaft 1, the first pin hole 43 on the plug-in part 41 and the second pin hole 44 on the rotating shaft 1 are aligned, and then the positioning pin 48 is plug-in cooperated with the first pin hole 43 and the second pin hole 44 to preliminarily position the plug-in part 41 and the rotating shaft 1, so that the plug-in part 41 and the rotating shaft 1 are kept relatively fixed; through the above arrangement, during the process of fixing the eccentric block 2 and the rotating shaft 1 by the connecting part 3, the eccentric block 2 can be prevented from rotating relative to the rotating shaft 1.

[0041] In some embodiments, as shown in the first aspect, Figures 1 to 5 the mounting column 21 has a first connecting slot 45, and the rotating shaft 1 has a second connecting slot 46 capable of being aligned with the first connecting slot 45; the rotation-stopping structure 4 comprises a rotation-stopping plate 47, and the two ends of the rotation-stopping plate 47 are plug-in cooperated with the first connecting slot 45 and the second connecting slot 46, respectively.

[0042] For example, the length direction of the first connecting slot 45 is the same as the length direction of the second connecting slot 46, the first connecting slot 45 can be arranged along the axis direction of the rotating shaft 1, and the first connecting slot 45 can also be arranged along the radial direction of the rotating shaft 1.

[0043] The second connecting groove 46 is also arranged along the axis direction of the rotating shaft 1 when the first connecting groove 45 is arranged along the axis direction of the rotating shaft 1; one side of the first connecting groove 45 is communicated with the side wall of the mounting column 21, and one side of the second connecting groove 46 is communicated with the side of the rotating shaft 1; the second insertion groove is formed between the first connecting groove 45 and the second connecting groove 46; the rotation stopping plate 47 is in interference fit with the second insertion groove; through the above arrangement, after the connecting component 3 connects the eccentric block 2 and the rotating shaft 1, the second insertion groove is formed between the first connecting groove 45 and the second connecting groove 46, at this time, through the interference fit between the rotation stopping plate 47 and the second insertion groove, the radial pre-tightening force between the mounting column 21 and the rotating shaft 1 can be generated, and then the connection between the eccentric block 2 and the rotating shaft 1 is more closely, and in the normal operation process, the situation that the eccentric block 2 and the rotating shaft 1 are separated can be reduced.

[0044] The second connecting groove 46 is also arranged along the radial direction of the rotating shaft 1 when the first connecting groove 45 is arranged along the radial direction of the rotating shaft 1; the first connecting groove 45 penetrates the mounting column 21, and the rotation stopping plate 47 is in interference fit with the second connecting groove 46; through the above arrangement, the rotation stopping plate 47 can be first inserted and fitted with the first connecting groove 45 and the second connecting groove 46, or the connecting component 3 can be first fixed to the eccentric block 2 and the rotating shaft 1; through the interference fit between the rotation stopping plate 47 and the second connecting groove 46, the situation that the rotation stopping plate 47 is thrown out can be reduced, so that the relative rotation between the eccentric block 2 and the rotating shaft 1 can be limited.

[0045] In some embodiments, as shown in Figures 1 to 5 The connecting component 3 includes a U-shaped rod 31 and a connecting plate 32; the U-shaped rod 31 is sleeved on the mounting column 21 and the rotating shaft 1; the connecting plate 32 is tangent to the rotating shaft 1; the connecting plate 32 has a through hole for the end of the U-shaped rod 31 to pass through, wherein the end of the U-shaped rod 31 has external threads, and the connecting plate 32 is provided with a locking nut 33 threadedly matched with the U-shaped rod 31.

[0046] It should be noted that the opening position of the U-shaped rod 31 passes through the mounting column 21 and the rotating shaft 1, the arc segment of the U-shaped rod 31 is in contact with the outer peripheral wall of the mounting column 21, the end of the U-shaped rod 31 passes through the connecting plate 32 and is fixed through the locking nut 33; through the above arrangement, the mounting column 21 can be fixed on the rotating shaft 1, and then the eccentric block 2 is fixed on the rotating shaft 1. Through the above arrangement, the eccentric block 2 can be conveniently disassembled and assembled.

[0047] For example, the U-shaped rod 31 and the connecting plate 32 can be locked by double locking nuts 33, so that the loosening situation can be reduced; the rotation stopping structure 4 includes a rotation stopping bolt 49, the connecting plate 32 has a threaded hole threadedly matched with the rotation stopping bolt 49, and the rotating shaft 1 has a positioning hole inserted and fitted with the rotation stopping bolt 49; through the above arrangement, the relative rotation between the eccentric block 2 and the rotating shaft 1 can be reduced, and the stability of the device in the movement process can be improved.

[0048] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An eccentric vibration balancing device for a gravity separator, characterized in that The application relates to a shaft, which is rotatably arranged on a rack of a specific gravity cleaner; two ends of the shaft respectively pass through opposite sides of the rack; an eccentric block is connected with a mounting column on one side; a connecting component can be sleeved on the mounting column and the shaft; the connecting component can abut the eccentric block and the shaft together; a rotation-stopping structure is arranged between an outer peripheral wall of the shaft and the eccentric block to limit relative rotation of the eccentric block and the shaft. The rotation-stopping structure comprises a plug-in part which is fixed on the eccentric block or the outer peripheral wall of the mounting column; the outer peripheral wall of the shaft has a first plug-in groove which is plug-in matched with the plug-in part. The plug-in part has a first pin hole, and the outer peripheral wall of the shaft has a second pin hole which is communicated with the first plug-in groove and can be aligned with the first pin hole; when the plug-in part is plug-in matched with the first plug-in groove, the shaft and the plug-in part are connected through a positioning pin. The plug-in part is one of a cylindrical structure, a prism structure and an irregular column. The mounting column has a first connecting groove, and the shaft has a second connecting groove which can be aligned with the first connecting groove; the rotation-stopping structure comprises a rotation-stopping plate which is plug-in matched with the first connecting groove and the second connecting groove at two ends.

2. An eccentric counterbalance for a gravity separator as claimed in claim 1, wherein The first connecting groove and the second connecting groove are arranged along the shaft axis direction; one side of the first connecting groove is communicated with the side wall of the mounting column, and one side of the second connecting groove is communicated with the side of the shaft; a second plug-in groove is formed between the first connecting groove and the second connecting groove; the rotation-stopping plate is interference matched with the second plug-in groove. The first connecting groove and the second connecting groove are arranged along the shaft radial direction; the first connecting groove penetrates the mounting column, and the rotation-stopping plate is interference matched with the second connecting groove.

3. An eccentric counterbalance for a gravity separator as defined in claim 2, wherein A plurality of counterweight blocks are arranged on the eccentric block along the thickness direction and are detachably connected with the eccentric block.

4. An eccentric counterbalance for a gravity separator as defined in claim 2, wherein The connecting component comprises a U-shaped rod which is sleeved on the mounting column and the shaft; a connecting plate which is tangent to the shaft has a through hole for the end of the U-shaped rod to pass through; the end of the U-shaped rod has external threads, and the connecting plate is provided with a locking nut which is threadedly matched with the U-shaped rod.

5. An eccentric counterbalance for a gravity separator as defined in claim 1, wherein The rotation-stopping structure comprises a rotation-stopping bolt, the connecting plate has a threaded hole which is threadedly matched with the rotation-stopping bolt, and the shaft has a positioning hole which is plug-in matched with the rotation-stopping bolt. ​ 6. An eccentric counterbalance for a specific gravity cleaner as defined in claim 5 wherein, ​ 7. An eccentric counterbalance for a gravity separator as defined in claim 5, wherein ​ 8. An eccentric counterbalance for a gravity separator as defined in claim 1, wherein ​ 9. An eccentric weight balancing device for a gravity separator as defined in claim 1, wherein ​ ​ ​ 10. An eccentric counterbalance for a gravity separator as claimed in claim 9, wherein, ​

Images