Feeding structure of screening device

Abstract

The utility model relates to the technical field of material screening, and discloses a feeding structure of a material screening device, which comprises a material screening assembly and a feeding assembly, the material screening assembly comprises a stable bottom plate, the stable bottom plate is provided with a vibrator for generating a vibration material screening function and a material screening device, and the feeding assembly comprises a protective shell installed at one end of the stable bottom plate. An upper cover plate and a lower cover plate are installed on the protective shell, a material conveying funnel is installed on the upper cover plate, meanwhile, a material conveying plate is installed in the protective shell, the material conveying plate is connected with a vibrator, the vibrator vibrates to enable the material screening device to screen materials, meanwhile, under the cooperation of a connecting rod and a telescopic rod, the material conveying plate is pushed and pulled up and down to enable the material conveying plate to swing, and the material conveying funnel is installed on the lower cover plate. The material conveying hopper is knocked for discharging, so that the material blocking phenomenon is effectively prevented, meanwhile, the material screening device is controlled through the vibration frequency to screen materials, meanwhile, the material conveying plate can be controlled to be closed and unfolded with a hopper connector when swinging, the space sufficiency in the material screening device is effectively improved, and the material screening efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to material screening technical field, concretely is a kind of feeding structure of screening device. BACKGROUND

[0002] Screening refers to the process of classifying and separating materials through screening equipment, commonly used in mining, construction, chemical industry and other industries, its main purpose is to divide materials into different grades according to particle size or shape, to ensure the efficiency of subsequent processes and product quality, screening equipment includes vibrating screen, circular vibrating screen, etc., the common working principle is to use vibration or gravity to move materials on the screen surface, so as to achieve screening effect.

[0003] Before screening in screening device, material needs to be fed into screening device, but the existing feeding structure of screening device is relatively single, material is poured into hopper, and feeding is carried out through hopper, but there is the phenomenon that material in hopper is pressed and stuck, and intermittent feeding cannot be realized, which leads to crowded space in screening component, and full screening cannot be realized, which has certain defects. UTILITY MODEL CONTENT

[0004] In view of the defects of the prior art, the utility model provides a feeding structure of screening device, which has the advantages of avoiding hopper jamming and realizing intermittent feeding, and solves the problems of hopper feeding jamming and intermittent feeding, crowded screening space and insufficient screening.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a feeding structure of screening device, which comprises a screening assembly and a feeding assembly, the screening assembly comprises a stable bottom plate, a vibrator for generating vibration screening function is installed on the stable bottom plate, and a screening device is installed on the stable bottom plate, the stable bottom plate is used to provide stable support for the whole screening device, and shock absorbing washers are installed on the four corners of the bottom, to reduce noise, and the vibrator is used to operate, so that the screening device continuously vibrates at a set vibration frequency, to realize screening effect.

[0006] The feeding assembly comprises a protective shell installed at one end of the stable bottom plate, an upper cover plate and a lower cover plate are installed on the protective shell, a material conveying hopper is installed on the upper cover plate, a material conveying plate is installed in the protective shell, the interface at the bottom end of the material conveying hopper is attached to the material conveying plate, one end of the material conveying plate is movably connected to the screening device, the protective shell is used to provide protection for the components installed therein, the upper and lower cover plates are used to seal the interfaces at the top and bottom of the shell, the material conveying hopper is used to convey the material to be screened, the material falls from the bottom interface to the material conveying plate, and is conveyed to the interface at the top of the screening device under the action of the downward inclination of the front end of the material conveying plate.

[0007] The feeding structure of the screening device, when feeding and screening, operates through the starting device, and the material is poured into the feeding funnel. The material falls into the feeding plate from the bottom interface of the funnel. The vibration force generated by the vibrator drives the connecting plate to vibrate, so that the first and second connecting rods pull the tension spring, and the telescopic rod pulls the tail end of the feeding plate to move downward, so that the feeding plate is in a horizontal state. At this time, the bottom end interface of the feeding funnel completely fits the top surface of the feeding plate. Under the condition of continuous vibration, the front end of the feeding plate is repeatedly shaken downward, so that the bottom end interface of the feeding funnel and the top surface of the feeding plate are repeatedly opened and closed. Under the repeated vibration, the tension spring is tightened and the pushing force is increased upward, the angle of the front end of the feeding plate is increased, and the material in the funnel is gradually input into the screener to complete the screening work.

[0008] As a further improvement of the above scheme, the bottom of the feeding plate is provided with a first connecting rod and a second connecting rod, and a control knob is rotatably connected between the first and second connecting rods.

[0009] Through the above technical scheme, the angle of the connecting rod is adjusted by rotating any connecting rod, which meets the installation in different states.

[0010] As a further improvement of the above scheme, the side of the vibrator is fixed with a connecting plate, a connecting joint is arranged at one end of the connecting plate, and one end of the first connecting rod is threadedly connected to the connecting joint.

[0011] Through the above technical scheme, the bottom end of the first connecting rod is provided with an interface, and the connecting joint is threadedly connected in the interface, so as to fix the connecting plate and the first connecting rod, so that when the connecting plate vibrates, the connected connecting rod also vibrates.

[0012] As a further improvement of the above scheme, the second connecting rod movably sleeves the telescopic rod, and one end of the telescopic rod is fixed to the bottom of the feeding plate.

[0013] Through the above technical scheme, the second connecting rod is hollow, and the inner diameter is matched with the diameter of the side of the telescopic rod, so as to improve the stability of the telescopic rod in up-down extension, and the feeding plate is changed between the horizontal state and the forward inclined state through the up-down movement of the telescopic rod, so as to realize the effect of quantitative feeding.

[0014] As a further improvement of the above scheme, the side of the second connecting rod is threadedly connected with a limiting pin, and the side of the telescopic rod is provided with a limiting sliding groove, and the limiting pin is slidably connected in the limiting sliding groove.

[0015] Through the above technical scheme, the side of the limiting pin is slidably connected in the limiting sliding groove, which is used to limit the length of the telescopic rod in up-down extension, and prevent the telescopic rod from rotating in the second connecting rod, so as to improve the stability of the telescopic rod in extension.

[0016] As a further improvement of the above scheme, the side of the material feeding plate is provided with a mounting knob, and the side of the protective shell is provided with a mounting hole, and the mounting knob is inserted into the mounting hole.

[0017] Through the above technical scheme, the center position of the two sides of the material feeding plate is provided with a mounting knob, and the mounting knob is inserted into the mounting hole, so that the material feeding plate can swing up and down.

[0018] As a further improvement of the above scheme, one end of the control knob is fixed with a control screw, a limiting knob is threadedly connected to the side of the control screw, a tension spring is fixed on the limiting knob, and one end of the tension spring is fixed on the telescopic rod.

[0019] Through the above technical scheme, when the control screw rotates clockwise or counterclockwise, the limiting knob moves up and down on the side of the screw, and the tightness of the tension spring is adjusted, so that the angle of the material feeding plate is controlled when vibrating.

[0020] As a further improvement of the above scheme, the upper cover plate is provided with a retaining hole, and the interface at the bottom end of the material feeding funnel is inserted into the retaining hole.

[0021] Through the above technical scheme, the diameter of the retaining hole matches the outer diameter of the interface at the bottom end of the material feeding funnel, and the stability of the funnel installation is improved.

[0022] As a further improvement of the above scheme, the lower cover plate is movably sleeved on the side of the first connecting rod.

[0023] Through the above technical scheme, a circular hole with a diameter matching the side of the first connecting rod is formed in the lower cover plate, and the first connecting rod is sleeved in the circular hole, so that the stability of the up and down movement of the first connecting rod is ensured when vibrating.

[0024] Compared with the prior art, the present application provides a feeding structure of a screening device, which has the following beneficial effects:

[0025] 1. The feeding structure of the screening device, the material feeding plate is connected with the vibrator, and the vibrator vibrates to make the screening device screen materials. Meanwhile, the connecting rod and the telescopic rod cooperate to push and pull the material feeding plate up and down, so that the material feeding plate swings and knocks the material feeding funnel to discharge materials, thereby effectively preventing the phenomenon of material jamming. At the same time, by controlling the frequency of vibration, the screening of the screening device can be controlled, and the closing and opening movement of the material feeding plate when swinging can be controlled, the space in the screening device is effectively sufficient, and the screening efficiency is improved.

[0026] 2. The feeding structure of the screening device, through the installation of the tension spring between the second connecting rod and the telescopic rod, when vibrating, the swing force of the feeding plate is increased through the pressure generated by the telescopic extension of the tension spring, thereby improving the feeding efficiency, and meanwhile, the forward or reverse rotating control knob can be used to adjust the tightness of the tension spring and control the swing angle of the feeding plate, thereby controlling the size of the funnel bottom interface expansion, and realizing the quantitative adjustment effect. BRIEF DESCRIPTION OF DRAWINGS

[0027] Fig. 1 It is a schematic diagram of the overall structure of the device of the utility model;

[0028] Fig. 2 It is a schematic diagram of the overall top view structure of the feeding assembly of the utility model;

[0029] Fig. 3 It is a schematic diagram of the overall bottom view structure of the feeding assembly of the utility model;

[0030] Fig. 4 It is a schematic diagram of the connecting structure of the feeding plate, the connecting rod and the telescopic rod of the utility model;

[0031] Fig. 5 It is a schematic diagram of the split structure of the connecting rod, the telescopic rod and the linkage plate of the utility model;

[0032] Fig. 6 It is a schematic diagram of the overall connecting structure of the control knob and the tension spring of the utility model.

[0033] In the drawings, the component list represented by each reference numeral is as follows:

[0034] 1. Screening assembly; 101. Stable bottom plate; 102. Vibrator; 103. Screening device; 104. Linkage plate; 105. Connecting joint;

[0035] 2. Feeding assembly; 201. Protective shell; 202. Upper cover plate; 203. Retention hole; 204. Feeding funnel; 205. Mounting hole; 206. Feeding plate; 207. Mounting knob; 208. Lower cover plate; 209. First connecting rod; 210. Control knob; 2101. Control screw; 2102. Limiting knob; 2103. Tension spring; 211. Second connecting rod; 212. Limiting bolt; 213. Telescopic rod; 214. Limiting sliding groove. DETAILED DESCRIPTION

[0036] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Embodiments

[0037] Please refer to Figs. 1-6 As shown in the drawings, the feeding structure of the screening device provided in the present embodiment comprises a screening assembly 1 and a feeding assembly 2. The screening assembly 1 comprises a stable base plate 101, a vibrator 102 and a screening device 103 installed on the stable base plate 101 for generating a vibrating screening function. The stable base plate 101 is used to provide stable support for the whole screening device, and four shock-absorbing pads are installed on the four corners of the bottom to reduce the generation of noise. At the same time, the vibrator 102 is used to operate so that the screening device 103 continuously vibrates at a set vibration frequency to achieve the screening effect.

[0038] The feeding assembly 2 comprises a protective shell 201 installed at one end of the stable base plate 101, an upper cover plate 202 and a lower cover plate 208 installed on the protective shell 201, a feeding hopper 204 installed on the upper cover plate 202, and a feeding plate 206 installed in the protective shell 201. The interface at the bottom end of the feeding hopper 204 is attached to the feeding plate 206, and one end of the feeding plate 206 is movably connected to the screening device 103. The protective shell 201 is used to provide protection for the components installed inside, and the upper and lower cover plates are used to seal the interfaces at the top and bottom of the shell. By feeding the materials to be screened into the feeding hopper 204, the materials fall into the feeding plate 206 from the bottom interface, and are transported to the interface at the top of the screening device 103 under the action of the downward inclination of the front end of the feeding plate 206.

[0039] The working principle of the feeding structure of the screening device is as follows: in use, the device is operated by starting the device, the material is poured into the feeding hopper 204, the material falls from the bottom interface of the hopper into the feeding plate 206, the vibration force generated by the vibrator 102 drives the connecting plate 104 to vibrate, the first and second connecting rods pull the tension spring 2103, the telescopic rod 213 pulls the tail end of the feeding plate 206 to move downward, and the feeding plate 206 is in a horizontal state, at this time, the bottom interface of the feeding hopper 204 is completely attached to the top surface of the feeding plate 206, under the condition of continuous vibration, the front end of the feeding plate 206 is repeatedly shaken downward, the bottom interface of the feeding hopper 204 and the top surface of the feeding plate 206 are repeatedly opened and closed, and under the repeated vibration, the tension spring 2103 is tightened to increase the upward pushing force, the angle of the front end of the feeding plate 206 is increased, and the material in the hopper is gradually input into the screener 103 to complete the screening work. Embodiment

[0040] Please refer to Figs. 1-6 The feeding structure of the screening device provided in the embodiment further comprises that the bottom of the feeding plate 206 is provided with a first connecting rod 209 and a second connecting rod 211, and the first and second connecting rods are rotationally connected with a control knob 210.

[0041] More specifically, by rotating any connecting rod, the angle of the connecting rod can be adjusted to meet the installation under different conditions.

[0042] Further, the side of the vibrator 102 is fixed with the connecting plate 104, a connecting joint 105 is arranged at one end of the connecting plate 104, and one end of the first connecting rod 209 is threadedly connected to the connecting joint 105.

[0043] More specifically, the bottom end of the first connecting rod 209 is provided with an interface, and the connecting joint 105 is threadedly connected in the interface to realize the fixing effect between the connecting plate 104 and the first connecting rod 209, so that when the connecting plate 104 vibrates, the connected connecting rod also vibrates.

[0044] Further, the second connecting rod 211 movably sleeves the telescopic rod 213, and one end of the telescopic rod 213 is fixed to the bottom of the feeding plate 206.

[0045] More specifically, the second connecting rod 211 is hollow, and the inner diameter thereof matches the diameter of the side of the telescopic rod 213, so as to improve the stability of the telescopic rod 213 in up-down extension, and the feeding plate 206 is switched between the horizontal state and the forward inclined state by the up-down movement of the telescopic rod 213, so as to realize the effect of quantitative feeding.

[0046] Further, the side of the second connecting rod 211 is threadedly connected with a limiting bolt 212, and the side of the telescopic rod 213 is provided with a limiting sliding slot 214, and the limiting bolt 212 is slidingly connected in the limiting sliding slot 214;

[0047] More specifically, the side of the limiting bolt 212 is slidingly connected in the limiting sliding slot 214, so as to limit the length of the telescopic rod 213 in the up-down telescopic movement, and prevent the telescopic rod 213 from rotating in the second connecting rod 211, thereby improving the stability of the telescopic rod 213 in the telescopic movement.

[0048] Further, the side of the material conveying plate 206 is provided with a mounting knob 207, and the side of the protective shell 201 is provided with a mounting hole 205, and the mounting knob 207 is inserted in the mounting hole 205;

[0049] More specifically, the center of the two sides of the material conveying plate 206 is provided with the mounting knob 207, and the mounting knob 207 is inserted in the mounting hole 205, so that the material conveying plate 206 can swing up and down.

[0050] In addition, it needs to be further explained that the highest swing amplitude of the front end of the material conveying plate 206 upwards is 180° horizontally, and the highest swing amplitude of the front end downwards is 45°, so that when vibrating, the material conveying plate 206 can be fully closed with the bottom interface of the material conveying funnel 204 in the horizontal state to stop conveying, and the bottom interface of the material conveying funnel 204 can be opened in the inclined state to convey the material.

[0051] Further, one end of the control knob 210 is fixed with a control screw rod 2101, the side of the control screw rod 2101 is threadedly connected with a limiting knob 2102, the limiting knob 2102 is fixed with a tension spring 2103, and one end of the tension spring 2103 is fixed on the telescopic rod 213;

[0052] More specifically, when the control screw rod 2101 rotates clockwise or counterclockwise, the limiting knob 2102 moves up and down on the side of the screw rod, so as to adjust the tightness of the tension spring 2103, thereby controlling the angle of the material conveying plate 206 in the inclined state when vibrating.

[0053] Further, the upper cover plate 202 is provided with a fixing hole 203, and the interface of the bottom end of the material conveying funnel 204 is inserted in the fixing hole 203;

[0054] More specifically, the diameter of the fixing hole 203 is consistent with the outer diameter of the interface of the bottom end of the material conveying funnel 204, thereby improving the stability of the funnel installation.

[0055] Further, the lower cover plate 208 is movably sleeved on the side of the first connecting rod 209;

[0056] More specifically, the lower cover plate 208 is provided with a circular hole matching the diameter of the side of the first connecting rod 209, and the first connecting rod 209 is sleeved in the circular hole, so that the stability of the up-and-down movement of the first connecting rod 209 is ensured when vibrating.

[0057] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A feed structure for a screening apparatus, comprising a screening assembly and a feed assembly, characterized in that, The screening assembly comprises a stable bottom plate, a vibrator for generating a vibrating screening function and a screening device mounted on the stable bottom plate; The feeding assembly comprises a protective shell mounted on one end of the stable bottom plate, an upper cover plate and a lower cover plate mounted on the protective shell, a feeding hopper mounted on the upper cover plate, and a feeding plate mounted in the protective shell, with the interface at the bottom end of the feeding hopper being fitted on the feeding plate, and one end of the feeding plate being movably connected to the screening device.

2. The feeding structure of a screening device according to claim 1, characterized in that: The bottom of the feeding plate is provided with a first connecting rod and a second connecting rod, and the first and second connecting rods are rotatably connected with a control knob.

3. The feeding structure of a screening device according to claim 1, characterized in that: The side of the vibrator is fixed with a linkage plate, one end of the linkage plate is provided with a connecting joint, and one end of the first connecting rod is threadedly connected to the connecting joint.

4. The feeding structure of a screening device according to claim 2, characterized in that: The second connecting rod movably sleeves a telescopic rod, and one end of the telescopic rod is fixed to the bottom of the feeding plate.

5. The material feeding structure of a screening device according to claim 4, characterized in that: The side of the second connecting rod is threadedly connected with a limiting bolt, and the side of the telescopic rod is provided with a limiting sliding groove, and the limiting bolt is slidably connected in the limiting sliding groove.

6. The feeding structure of a screening device according to claim 4, characterized in that: The side of the feeding plate is provided with a mounting knob, and the side of the protective shell is provided with a mounting hole, and the mounting knob is inserted into the mounting hole.

7. The feeding structure of a screening device according to claim 2, characterized in that: One end of the control knob is fixed with a control screw, the side of the control screw is threadedly connected with a limiting knob, a tension spring is fixed on the limiting knob, and one end of the tension spring is fixed to the telescopic rod.

8. The feeding structure of a screening device according to claim 1, characterized in that: The upper cover plate is provided with a fixing hole, and the interface at the bottom end of the feeding hopper is inserted into the fixing hole.

9. The feeding structure of a screening apparatus according to claim 1, wherein: The lower cover plate is movably sleeved on the side of the first connecting rod.

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