CN218872817U

CN218872817U - Triple shaft mine screening machine

Info

Publication number: CN218872817U
Application number: CN202223328480.3U
Authority: CN
Inventors: 房师涛; 石岩山
Original assignee: Leitai Heavy Industry Co ltd
Current assignee: Leitai Heavy Industry Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-04-18
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses a trigeminy axle mine sieve separator, sieve case including the level setting, support the vibration damping mount of sieve case, install to sieve incasement triaxial vibration exciter and drive triaxial vibration exciter moving motor, the triaxial vibration exciter is including installing the eccentric wheel to sieve case both sides, be located the transmission shaft between the eccentric wheel and cup joint to the sleeve pipe in the transmission shaft outside, along the extending direction of sieve case, the transmission shaft level is provided with threely, sleeve pipe and transmission shaft one-to-one, three sheathed tube left and right sides all is fixed to constituting the trigeminy central siphon together through the connecting plate, trigeminy central siphon integrated into one piece, three sheathed tube axis is in same horizontal plane, the triaxial vibration exciter still include with trigeminy central siphon complex trigeminy vibration exciting case, the inner wall fixed connection of connecting plate and trigeminy vibration exciting case, the fastness that reinforcing trigeminy central siphon and trigeminy vibration exciting case are connected, the vibration exciter's of improvement, promote the functioning speed of triaxial vibration exciter.

Description

Triple shaft mine screening machine

Technical Field

The utility model belongs to the technical field of the screening equipment, concretely relates to triple axle mine sieve separator.

Background

A mine screening machine is an auxiliary device for screening coarse and fine ores. The screening machine drives the vibration exciter by the motor to make the screening box generate periodic vibration so as to carry out screening. Along with the continuous improvement of handling capacity, required exciting force will be bigger, needs the bigger vibration exciter of size to provide bigger exciting force, and big vibration exciter can aggravate the atress of sieve case wallboard, causes the fracture of sieve case easily. Moreover, when the vibration exciters with different sizes are arranged on the screen box, the interchangeability of parts is poor, and the production, the assembly, the maintenance and the like are not facilitated, so that the improvement of the exciting force of the vibration exciters on the screen box is the current research direction.

The utility model CN211678640U provides a balanced allotment vibration exciter of triaxial, and the triaxial vibration exciter is transmitted to vibration exciter transmission shaft, eccentric wheel vibrator by power from the motor through V belt, realizes that three transmission shafts are rotatory with fast, produces stronger exciting force to satisfy the demand of sieve case to exciting force. Wherein, three transmission shaft outsides all overlap and are equipped with the sleeve pipe of being fixed to sieve case lateral wall in order to protect the transmission shaft to the stability that two lateral walls of reinforcing sieve case are connected.

In the prior art, the three sleeves are separately sleeved on the outer sides of the corresponding transmission shafts, the installation is complicated, and the three sleeves are difficultly adjusted to the same horizontal line during assembly, so that the balance of the three-axis vibration exciter is poor, the running speed of the three-axis vibration exciter is limited, and the screening efficiency of the screening machine is limited.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides a triple axle mine screening machine, which comprises a triple axle tube formed by fixing connecting plates at two sides of three sleeves, wherein the central axes of the three sleeves are positioned in the same horizontal plane, and the integrally designed triple axle tube improves the sleeve installation efficiency and the levelness of the sleeves, thereby improving the balance performance of a three-axis vibration exciter; simultaneously, the three sleeves are integrally designed, so that the firmness and the stability of the sleeves are improved, the bearing capacity of the screen box on the exciting force is improved, and the screening efficiency of the screening machine is improved.

The utility model discloses a realize through following technical scheme:

the utility model provides a trigeminy axle mine sieve separator, sieve case including the level setting, support the vibration damping mount of sieve case, install triaxial vibration exciter and the driving triaxial vibration exciter moving motor to the sieve incasement, the triaxial vibration exciter is including installing the eccentric wheel to sieve case both sides, be located the transmission shaft between the eccentric wheel and cup joint to the sleeve pipe in the transmission shaft outside, the extending direction along the sieve case, the transmission shaft level is provided with threely, sleeve pipe and transmission shaft one-to-one, three sheathed tube left and right sides all is fixed to constituting the trigeminy central siphon together through the connecting plate, trigeminy central siphon integrated into one piece is in order to guarantee the fastness of trigeminy central siphon self. The central axes of the three sleeves are positioned in the same horizontal plane to improve the balance of the triaxial vibration exciter. The triaxial vibration exciter further comprises a three-connection vibration excitation box matched with the triple axle tube, the connecting plate is fixedly connected with the inner wall of the three-connection vibration excitation box, the connection firmness of the triple axle tube and the three-connection vibration excitation box is enhanced, the firmness of the triaxial vibration exciter is improved, and the running speed of the triaxial vibration exciter is increased.

Furthermore, the connecting plate comprises a first flat plate and a second flat plate which are identical in structure, the first flat plate is provided with a first mounting hole, the second flat plate is provided with a second mounting hole, the first mounting hole and the second mounting hole are consistent in number and are in one-to-one correspondence, and the axis of the first mounting hole coincides with the axis of the corresponding second mounting hole and is parallel to the axis of the sleeve. The three-linkage-shaft-tube-type vibration excitation box can keep self balance after being mounted to the three-linkage-type vibration excitation box.

Furthermore, the first mounting holes and the second mounting holes are uniformly distributed along the circumferential direction of the sleeve, so that the connecting plate can be stably mounted in the three-connected excitation box, and the three-connected excitation box can have good bearing performance on the triple-axis pipe.

Furthermore, the three-connected excitation box is provided with a limiting hole matched with the first mounting hole, and the locking bolt can penetrate through the limiting hole and the first mounting hole to lock and fix the three-connected excitation box and the triple-shaft pipe.

Furthermore, a plurality of rib plates are fixed on the outer side wall of the three-connected excitation box and are uniformly distributed along the circumferential direction of the sleeve. The bearing capacity of the three-connected excitation box on the triple shaft tube is improved, and the damage of the joint of the three-connected excitation box and the triple shaft tube is prevented.

Further, the bearing is installed to the transmission shaft both sides, and the bearing passes through interior bushing with the transmission shaft and is fixed, and the installation space who holds interior axle sleeve is seted up to sheathed tube both sides, and the diameter of installation space is greater than the diameter of sheathed tube hole to strengthen the transmission shaft at the intraductal moving stability of cover, prevent that the transmission shaft from taking place to shake unusually at the intraductal cover.

Further, the triple axle mine sieve separator still includes the motor cabinet that bears the motor, the motor passes through the belt with the triaxial vibration exciter and is connected, the motor cabinet includes the backup pad that bottom plate and slope set up, the bottom of backup pad is articulated to the bottom plate, the ascending one side of backup pad slope is equipped with the spacing axle that runs through the backup pad, spacing axle is fixed to bottom plate and perpendicular to backup pad, spacing off-axial side has cup jointed the compression spring who is fixed to the backup pad top, compression spring extrusion backup pad makes the motor move down in order to prop tight belt, prevent that the belt from breaking away from because the vibration of sieve case from taking place.

Further, vibration damping mount installs to sieve the case all around, and vibration damping mount includes the clamp plate and connects the buffer spring of clamp plate and sieve case, and each vibration damping mount all includes two buffer spring, and the equal vertical setting of buffer spring for the sieve case of buffering vibration is to the impact on ground.

Drawings

Fig. 1 is a schematic connection diagram illustrating an exemplary embodiment of a triple-axis mine screening machine according to the present invention;

fig. 2 is a schematic view illustrating a structure of an exemplary embodiment of a middle triple shaft tube according to the present invention;

FIG. 3 is a front view of an exemplary embodiment of a central triplex shaft tube of the present invention;

fig. 4 is a cross-sectional view illustrating an exemplary embodiment of a middle triplex shaft tube of the present invention;

FIG. 5 is a schematic inside view illustrating an exemplary embodiment of a triple excitation box of the present invention;

FIG. 6 is a schematic diagram of an outer side of an exemplary embodiment of a triple excitation housing of the present invention;

fig. 7 is a cross-sectional view for explaining an exemplary embodiment of the triple excitation box according to the present invention.

Reference numerals:

1. a screen box; 2. a damping mount; 21. pressing a plate; 22. a buffer spring; 3. a three-axis vibration exciter; 31. a triple axle tube; 311. a sleeve; 3111. an installation space; 312. a connecting plate; 3121. a first plate; 3122. a second plate; 3123. a first mounting hole; 3124. a second mounting hole; 32. three conjoined shock excitation boxes; 321. a limiting hole; 322. a rib plate; 4. an electric motor; 5. a motor base; 51. a base plate; 52. a support plate; 53. a limiting shaft; 54. a compression spring; 6. a belt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that the terms of orientation such as left, right, up, down, front and back in the embodiments of the present invention are only relative concepts or are referred to the normal use state of the product, i.e. the traveling direction of the product, and should not be considered as limiting.

In addition, it should be noted that the dynamic terms such as "relative movement" mentioned in the embodiments of the present invention include not only a change in position but also a movement in which a state changes without a relative change in position such as rotation or rolling.

Finally, it will be understood that when an element is referred to as being "on" or "disposed of" another element, it can be on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

As shown in fig. 1-7, triple axle mine sieve separator, sieve case 1 including the level setting, support sieve case 1's vibration damping mount 2, install triaxial vibration exciter 3 and the motor 4 of driving triaxial vibration exciter 3 moving to sieve incasement 1, triaxial vibration exciter 3 is including installing the eccentric wheel to sieve case 1 both sides, be located the transmission shaft between the eccentric wheel and cup joint to the sleeve pipe 311 outside the transmission shaft, along the extending direction of sieve case 1, the transmission shaft level is provided with threely, sleeve pipe 311 and transmission shaft one-to-one, three sleeve pipe 311's the left and right sides all is fixed to constituting triple axle pipe 31 together through connecting plate 312, triple axle pipe 31 integrated into one piece is in order to guarantee the fastness of triple axle pipe 31 self. The central axes of the three sleeves 311 are in the same horizontal plane to improve the balance of the triaxial vibration exciter 3. The triaxial vibration exciter 3 further comprises a three-connected vibration box 32 matched with the triple shaft tube 31, the connecting plate 312 is fixedly connected with the inner wall of the three-connected vibration box 32, the firmness of the connection of the triple shaft tube 31 and the three-connected vibration box 32 is improved, the firmness of the triaxial vibration exciter 3 is improved, and the running speed of the triaxial vibration exciter 3 is increased.

In one embodiment, the motor 4 drives the three-shaft vibration exciter 3 to operate through the belt 6, and the three-shaft vibration exciter 3 rotates to drive the screen box 1 to vibrate for screening operation. The three-shaft vibration exciter 3 is provided with three transmission shafts, so that the generated exciting force is far greater than that of a common vibration exciter with one transmission shaft. The three transmission shafts generate exciting forces to three different parts of the screen box 1, and the exciting forces generated by the three transmission shafts are basically the same, namely the screen box 1 cannot be damaged due to the fact that the exciting force generated by a certain transmission shaft is too large. The three transmission shafts are completely identical, and the transmission shafts and parts mounted on the transmission shafts can be replaced conveniently.

In one embodiment, the sleeve 311 is sleeved outside the transmission shaft to prevent the transmission shaft from being injured by the ore material, so as to protect the transmission shaft. The sleeve 311 is fixedly connected to the screen box 1 at two sides thereof, and reinforces two side walls of the screen box 1. Three sleeves 311 of the triaxial exciter 3 need to be horizontally arranged along the extending direction of the screen box 1 to improve the balance performance of the triaxial exciter 3. Set up connecting plate 312 with three sleeve pipe 311's both sides to fixing three sleeve pipe 311 and constituting trigeminy central siphon 31 structure, comparing and installing to sieve case 1 in single sleeve pipe 311 one by one, adopting trigeminy central siphon 31's form, once only installing to horizontal sieve case 1 in, improved trigeminy central siphon 31's installation effectiveness. And the triple axle tube 31 integrated into one piece has guaranteed the levelness of three sleeve pipe 311 on the triple axle tube 31, has improved the fastness of triple axle tube 31 itself simultaneously. After the triple shaft tube 31 is installed in the screen box 1, the running speed of the three-shaft vibration exciter 3 is increased by 10% -15% compared with the running speed when three independent sleeves 311 are adopted. The triaxial vibration exciter 3 further comprises a three-connected vibration box 32 matched with the triaxial connecting pipe, and the triaxial connecting pipe is fixedly connected with the three-connected vibration box 32, so that the supporting capacity of the triaxial connecting pipe is improved, the sieve box 1 can bear larger exciting force, and the sieve box 1 is prevented from being broken and deformed.

Preferably, the connecting plate 312 includes a first flat plate 3121 and a second flat plate 3122 having the same structure, the first flat plate 3121 is provided with a first mounting hole 3123, the second flat plate 3122 is provided with a second mounting hole 3124, the number of the first mounting holes 3123 is the same as that of the second mounting holes 3124, and the axis of the first mounting hole 3123 coincides with the axis of the corresponding second mounting hole 3124 and is parallel to the axis of the sleeve 311. The self balance of the triple shaft tube 31 can be kept after the triple shaft tube is installed to the triple excitation box 32.

Preferably, the first mounting holes 3123 and the second mounting holes 3124 are uniformly distributed along the circumferential direction of the sleeve 311, which is helpful for the connecting plate 312 to be stably mounted in the three-piece excitation box 32, and ensures that the three-piece excitation box 32 has good bearing performance for the triple shaft tube 31.

Preferably, the three-piece excitation box 32 is provided with a limiting hole 321 matched with the first mounting hole 3123, and the locking bolt can pass through the limiting hole 321 and the first mounting hole 3123 to lock and fix the three-piece excitation box 32 and the triple shaft tube 31.

Preferably, a plurality of rib plates 322 are fixed on the outer side wall of the three-connected excitation box 32, and the rib plates 322 are uniformly distributed along the circumferential direction of the sleeve 311. The bearing capacity of the triple excitation box 32 on the triple shaft tube 31 is improved, and the damage of the connection part of the triple excitation box 32 and the triple shaft tube 31 is prevented.

Preferably, the bearing is installed to the transmission shaft both sides, and the bearing passes through interior bushing connection with the transmission shaft and fixes, and the installation space 3111 that holds interior axle sleeve is seted up to the both sides of sleeve pipe 311, and the diameter of installation space 3111 is greater than the diameter of the hole of sleeve pipe 311 to strengthen transmission shaft moving stability in sleeve pipe 311, prevent that the transmission shaft from taking place unusually to rock in sleeve pipe 311.

Preferably, the triple axle mine sieve separator further includes a motor base 5 for bearing the motor 4, the motor 4 is connected with the three-axis vibration exciter 3 through a belt 6, the motor base 5 includes a bottom plate 51 and a support plate 52 arranged obliquely, the bottom of the support plate 52 is hinged to the bottom plate 51, a limiting shaft 53 penetrating through the support plate 52 is arranged on one side of the support plate 52 obliquely upward, the limiting shaft 53 is fixed to the bottom plate 51 and perpendicular to the support plate 52, a compression spring 54 fixed to the upper side of the support plate 52 is sleeved on the outer side of the limiting shaft 53, the compression spring 54 presses the support plate 52 to enable the motor 4 to move downward to support the belt 6, and the belt 6 is prevented from being separated due to vibration of the sieve box 1.

In one embodiment, because the triple-axis mine screening machine adopts the three-axis vibration exciter 3, the vibration amplitude of the screen box 1 can be obviously improved. Since the vibration amplitude of the screen box 1 is increased, the belt 6 installed between the triaxial vibration exciter 3 and the motor 4 is easily dropped when the screen box 1 vibrates. In order to constantly maintain the tension state of the belt 6 connected between the triaxial exciter 3 and the motor 4, the motor mount 5 supporting the motor 4 is designed as an elastic motor mount 5.

Specifically, the support plate 52 of the motor mount 5 has a tendency to move downward by the compression spring 54, that is, the compression spring 54 has a tendency to drive the motor 4 away from the triaxial exciter 3 to the motor 4. Therefore, when the screen box 1 vibrates, the belt 6 between the three-axis exciter 3 and the motor 4 is always tensioned by the motor 4 to maintain the tensioned state of the belt 6, and the belt 6 is prevented from being loosened and separated from the motor 4.

Preferably, vibration damping mount 2 installs to sieve case 1 all around, and vibration damping mount 2 includes clamp plate 21 and the buffer spring 22 of connecting clamp plate 21 and sieve case 1, and each vibration damping mount 2 all includes two buffer spring 22, and the equal vertical setting of buffer spring 22 for the impact of sieve case 1 of buffering vibration to ground. Because sieve case 1 adopts triaxial vibration exciter 3, the vibration of sieve case 1 is bigger, and the intensity of sieve case 1 impact load to ground is great, in order to cushion the impact of sieve case 1 to ground better, all be equipped with two sets of buffer spring 22 of connecting clamp plate 21 and sieve case 1 on every vibration damping mount 2.

When the triple-shaft mine screening machine is adopted, the connecting plates 312 are fixed on two sides of the three sleeves 311 to form the triple-shaft tube 31, the triple-shaft tube 31 is integrally formed, and the central axes of the three sleeves 311 are positioned in the same horizontal plane, so that the integrally designed triple-shaft tube 31 improves the installation efficiency of the sleeves 311 and the levelness of the sleeves 311, and further improves the balance performance of the three-shaft vibration exciter 3; meanwhile, due to the integrated design of the three sleeves 311, the firmness and stability of the sleeves 311 are improved, the bearing capacity of the screen box 1 on the exciting force is improved, and the screening efficiency of the screening machine is improved.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. The utility model provides a trigeminy axle mine sieve separator, its characterized in that, including the sieve case that the level set up, support the vibration damping mount of sieve case, install extremely triaxial vibration exciter and the drive in the sieve case the running motor of triaxial vibration exciter, the triaxial vibration exciter including install to the eccentric wheel of sieve case both sides, be located transmission shaft between the eccentric wheel and cup joint extremely the sleeve pipe in the transmission shaft outside follows the extending direction of sieve case, the transmission shaft level is provided with threely, the sleeve pipe with the transmission shaft one-to-one, threely the sheathed tube left and right sides all is fixed to constituting the trigeminy central siphon together through the connecting plate, trigeminy central axis pipe integrated into one piece, threely the sheathed tube axis is in same horizontal plane, the triaxial vibration exciter still include with trigeminy central siphon complex trigeminy excitation case, the connecting plate with the inner wall fixed connection of trigeminy excitation case.

2. The triple-axis mine screening machine according to claim 1, wherein the connecting plate comprises a first flat plate and a second flat plate which are identical in structure, the first flat plate is provided with first mounting holes, the second flat plate is provided with second mounting holes, the first mounting holes and the second mounting holes are consistent in number and correspond to each other one by one, and the axis of each first mounting hole coincides with the axis of the corresponding second mounting hole and is parallel to the axis of the sleeve.

3. The triple-axis mine screening machine of claim 2, wherein the first mounting hole and the second mounting hole are uniformly distributed along a circumferential direction of the sleeve.

4. The triple-axis mine screening machine of claim 2, wherein the triple-connected excitation box is provided with a limiting hole matched with the first mounting hole, and a locking bolt can penetrate through the limiting hole and the first mounting hole to lock and fix the triple-connected excitation box and the triple-axis pipe.

5. The triple-axis mine screening machine of claim 1, wherein a plurality of ribbed plates are fixed to the outer side wall of the triple excitation box and are uniformly distributed along the circumferential direction of the sleeve.

6. The triple-axis mine screening machine according to claim 1, wherein bearings are mounted on two sides of the transmission shaft, the bearings and the transmission shaft are fixedly connected through an inner shaft sleeve, mounting spaces for accommodating the inner shaft sleeve are formed in two sides of the sleeve, and the diameter of each mounting space is larger than that of an inner hole of the sleeve.

7. The triple-axle mine screening machine according to claim 1, further comprising a motor base for supporting the motor, wherein the motor is connected with the three-axle vibration exciter through a belt, the motor base comprises a bottom plate and a support plate arranged obliquely, the bottom of the support plate is hinged to the bottom plate, a limiting shaft penetrating through the support plate is arranged on one side of the support plate, which is obliquely upward, the limiting shaft is fixed to the bottom plate and perpendicular to the support plate, a compression spring fixed to the upper side of the support plate is sleeved on the outer side of the limiting shaft, and the compression spring presses the support plate to enable the motor to move downward to support the belt tightly.

8. The triple-axis mine screening machine of claim 1, wherein the vibration damping bases are mounted to the periphery of the screen box and comprise a pressing plate and damping springs connecting the pressing plate and the screen box, each vibration damping base comprises two damping springs, and the damping springs are vertically arranged.