Chemical material screening machine

Abstract

The utility model relates to the field of chemical processing, and discloses a chemical material screening machine which comprises an oscillating rack, a screening chassis is fixedly connected to the upper end of the oscillating rack, side plates corresponding to the two sides are fixedly connected to the screening chassis, a screening net plate is arranged between the side plates on the two sides, and balancing weights are fixedly connected to the two ends of the screening net plate. Rotating shafts are fixedly connected to the middle sections of the two sides of the screening net plate, rotating holes matched with the rotating shafts are formed in the side plates, U-shaped guide rails are slidably connected to the inner walls of the side plates on the two sides, adjusting push rods are slidably connected into the U-shaped guide rails, supporting seats located under the adjusting push rods are fixedly connected to the two sides of the screening base plate, and supporting grooves are formed in the upper ends of the supporting seats; the section of each supporting groove is in an isosceles trapezoid shape, and moving mechanisms for driving the corresponding U-shaped guide rails to slide in the length direction are arranged on the side plates. Compared with the prior art, the screening device has the advantages that chemical materials can be discharged after being screened back and forth for multiple times, and the situation of screening leakage is greatly avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of chemical processing, and specifically relates to a chemical material screening machine. BACKGROUND

[0002] Chemical raw materials can be divided into alkanes and their derivatives, alkenes and their derivatives, alkynes and their derivatives, quinones, aldehydes, alcohols, ketones, phenols, ethers, anhydrides, esters, organic acids, carboxylates, carbohydrates, heterocyclic compounds, nitriles, halogenated compounds, amino acids, and other types.

[0003] Chemical materials need to be screened by a screening machine during production. A traditional screening machine is usually composed of a vibration mechanism at the bottom and a screening plate arranged obliquely above. Under the vibration of the vibration mechanism, the material slides along the oblique direction of the screening plate, and the material smaller than the aperture of the screening plate is screened out. The remaining material slides out of the outlet along with the screening plate. Only one screening can easily result in a missed screening, which greatly affects the production effect. SUMMARY

[0004] The technical problem to be solved by the utility model is to overcome the above technical difficulties and provide a chemical material screening machine that can screen chemical materials multiple times and then remove them, greatly avoiding the occurrence of missed screening.

[0005] To solve the above technical problems, the utility model provides a technical scheme of a chemical material screening machine, which comprises a vibration mechanism, a screening bottom plate fixedly connected to the upper end of the vibration mechanism, side plates fixedly connected to the screening bottom plate, a screening mesh plate arranged between the two side plates, counterweights fixedly connected to both ends of the screening mesh plate, rotating shafts fixedly connected to the middle sections of the two side plates, rotating holes in the side plates matched with the rotating shafts, U-shaped guide rails slidingly connected to the inner walls of the two side plates, adjusting push rods slidingly connected to the U-shaped guide rails, support seats fixedly connected to the two sides of the screening bottom plate and located directly below the adjusting push rods, support grooves provided on the upper ends of the support seats, the support grooves being isosceles trapezoidal in cross section, and moving mechanisms provided on the side plates and matched with the U-shaped guide rails to drive the U-shaped guide rails to slide along the length direction.

[0006] As an improvement, the bottom surface of the screening mesh plate is provided with sliding rails matched with the adjusting push rods on both sides.

[0007] As an improvement, the adjusting push rod is fixedly connected with a ball at the upper end and a pulley at the lower end.

[0008] As improved, the moving mechanism comprises sliding holes arranged along the length direction on the side plates, the U-shaped guide rail is fixedly connected with sliding blocks slidingly connected in the sliding holes, a screw rod is rotatably connected in the sliding hole, the sliding block is threadedly connected to the outer wall of the screw rod, and one end of the side plate is fixedly connected with a control motor driving the screw rod to rotate.

[0009] As improved, the inclined baffles are fixedly connected to the bottom surface of the sieve net plate on one side of the sliding rail, and the inclined baffles on both sides are arranged in an inverted eight shape.

[0010] As improved, the adjusting push rod is fixedly connected with limiting sliding strips on both sides, the U-shaped sliding rail is provided with strip-shaped limiting grooves on the inner walls of both sides, the U-shaped sliding rail is fixedly connected with a baffle inside, the adjusting push rod is provided with a sliding groove matched with the baffle on one side, and the reset spring is fixedly connected between the bottom surface of the sliding groove and the baffle.

[0011] As improved, the oscillation frame comprises a bottom plate, the bottom plate is fixedly connected with an oscillation seat at the upper end, the sieve bottom disc is fixedly connected with a movable table slidingly inserted into the oscillation seat at the bottom, the movable table is fixedly connected with a vibration motor at the bottom, and the vibration motor is fixedly connected with a vibration spring between the oscillation seat.

[0012] As improved, the sieve bottom disc is inserted with a material receiving disc at the upper end, and the material receiving disc and the sieve bottom disc are threadedly connected with fixing bolts.

[0013] One end of the sieve net plate is fixedly connected with a fixed guard plate, the other end is slidingly connected with a movable guard plate, and the bottom surface of the sieve net plate is fixedly connected with an electric push rod driving the movable guard plate to slide.

[0014] Compared with the prior art, the chemical raw materials to be screened are poured on the sieve net plate, the oscillation base oscillates the sieve net plate, the moving mechanism drives the U-shaped guide rail to move during the oscillation process, the U-shaped guide rail drives the adjusting push rod to slide along the support groove, the sieve net plate is pushed in the opposite direction due to the pair of symmetrical inclined surfaces arranged in the support groove, and the sieve net plate is re-screened, so that the screening effect is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is an explosion view of the chemical material screening machine.

[0016] Figure 2 is a structural schematic view of the chemical material screening machine.

[0017] Figure 3 is a sectional view of the chemical material screening machine.

[0018] Figure 4It is a kind of chemical material screening machine screen bottom disc structure schematic diagram.

[0019] Figure 5 It is a kind of chemical material screening machine screen mesh plate structure schematic diagram.

[0020] Figure 6 It is a kind of chemical material screening machine A enlarged view.

[0021] As shown in the figure: 1, bottom plate;2, movable table;3, screen bottom disc;4, side plate;5, screen mesh plate;6, U-shaped guide rail;7, adjusting push rod;8, sliding block;9, sliding hole;10, screw;11, control motor;12, support seat;13, support groove;14, ball;15, pulley;16, rotating shaft;17, rotating hole;18, fixed guard;19, movable guard;20, electric push rod;21, counterweight;22, inclined baffle;23, sliding rail;24, baffle;25, return spring;26, sliding groove;27, oscillation seat;28, vibration motor;29, vibration spring;30, fixing bolt;31, receiving disc. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0023] As Figures 1 to 6 shown, a kind of chemical material screening machine, including oscillating frame, the oscillating frame upper end is fixedly connected with screen bottom disc 3, the oscillating frame includes bottom plate 1, the bottom plate 1 upper end is fixedly connected with oscillation seat 27, the screen bottom disc 3 bottom is fixedly connected with movable table 2 slidingly inserted in the oscillation seat 27, the movable table 2 bottom is fixedly connected with vibration motor 28, the vibration motor 28 with the oscillation seat 27 between fixedly connected with vibration spring 29, the screen bottom disc 3 upper end is inserted with receiving disc 31, the receiving disc 31 with screen bottom disc 3 between screw connection has fixed bolt 30, by receiving disc 31 can be collected to the material screened, when needing to take out receiving disc 31, unscrew fixed bolt 30, receiving disc 31 is extracted can be.

[0024] The screen chassis 3 is fixedly connected with corresponding side plates 4 on both sides, a screen mesh plate 5 is arranged between the two side plates 4, counterweights 21 are fixedly connected to both ends of the screen mesh plate 5, the counterweights 21 at both ends can prevent the vibration force of the oscillating frame from causing the screen mesh plate 5 to overturn, a rotating shaft 16 is fixedly connected to the middle of the screen mesh plate 5 on both sides, rotating holes 17 cooperating with the rotating shaft 16 are arranged on the side plates 4, a fixed guard plate 18 is fixedly connected to one end of the screen mesh plate 5, and a movable guard plate 19 is slidably connected to the other end, an electric push rod 20 is fixedly connected to the bottom surface of the screen mesh plate 5 and drives the movable guard plate 19 to slide, and the fixed guard plate 18 and the movable guard plate 19 at both ends prevent the material from sliding directly out of the screen mesh plate 5.

[0025] U-shaped guide rails 6 are slidably connected to the inner walls of the side plates 4 on both sides, moving mechanisms driving the corresponding U-shaped guide rails 6 to slide along the length direction are arranged on the side plates 4, the moving mechanism comprises slide holes 9 arranged along the length direction on the side plates 4, slide blocks 8 slidably connected in the slide holes 9 are fixedly connected to one side of the U-shaped guide rails 6, screw rods 10 are rotatably connected in the slide holes 9, the slide blocks 8 are threadedly connected to the outer walls of the screw rods 10, control motors 11 driving the screw rods 10 to rotate are fixedly connected to one end of the side plates 4, the screw rods 10 at both sides are driven to rotate by starting the control motors 11, the slide blocks 8 at both sides are driven to slide along the slide holes 9 by the screw rods 10 at both sides, and the slide blocks 8 drive the corresponding U-shaped guide rails 6 to slide.

[0026] Adjusting push rods 7 are slidably connected in the U-shaped guide rails 6, slide rails 23 cooperating with the adjusting push rods 7 are arranged on both sides of the bottom surface of the screen mesh plate 5, ball bearings 14 are fixedly connected to the upper ends of the adjusting push rods 7, pulleys 15 are fixedly connected to the lower ends of the adjusting push rods 7, support seats 12 located directly below the adjusting push rods 7 are fixedly connected to both sides of the screen chassis 3, support grooves 13 are arranged on the upper ends of the support seats 12, the support grooves 13 have isosceles trapezoidal cross sections, the moving mechanism comprises slide holes 9 arranged along the length direction on the side plates 4, inclined baffles 22 are fixedly connected to one side of the slide rails 23 on the bottom surface of the screen mesh plate 5, the inclined baffles 22 on both sides are arranged in an inverted eight shape, the inclined baffles 22 on both sides prevent the material from falling into the support grooves 13 when falling, limit slide strips are fixedly connected to both sides of the adjusting push rods 7, strip-shaped limit grooves are arranged on the inner walls of the U-shaped guide rails 6 on both sides, flaps 24 are fixedly connected in the U-shaped guide rails 6, slide grooves 26 cooperating with the flaps 24 are arranged on one side of the adjusting push rods 7, and reset springs 25 are fixedly connected between the inner bottom surfaces of the slide grooves 26 and the flaps 24.

[0027] In specific use, the material to be screened is put on the screening mesh plate 5, the vibration motor 28 is started, the movable table 2 is reciprocatingly vibrated up and down under the cooperation of the vibration spring 29, the movable table 2 drives the upper screening mesh plate 5 to reciprocatingly vibrate up and down, the material on the screening mesh plate 5 slides along the inclined direction of the screening mesh plate 5 to the side close to the movable guard plate 19, the material is preliminarily screened, the movable guard plate 19 can prevent the material from directly discharging, the corresponding U-shaped guide rail 6 is driven to move along the length direction of the side plate 4 through the moving mechanism on both sides, the U-shaped guide rail 6 and the adjusting push rod 7 on both sides are located close to the fixed guard plate 18 in the initial state, along with the sliding of the U-shaped guide rail 6 to the end of the movable guard plate 19, the adjusting push rod 7 slides along the descending slope on one side of the supporting groove 13, the adjusting push rod 7 slides downward along the U-shaped guide rail 6, and the included angle between the adjusting push rod 7 and the screening mesh plate 5 gradually increases, so that the screening mesh plate 5 is gradually adjusted to the horizontal state, when the adjusting push rod 7 on both sides slides to the inclined uphill side of the supporting groove 13, the adjusting push rod 7 slides upward along the U-shaped guide rail 6, the screening mesh plate 5 is adjusted to be pushed upward, the screening mesh plate 5 is turned to the angle opposite to the initial state, and the material is secondarily screened, when the moving mechanism moves to the end, the moving mechanism is reset in the reverse direction, the screening mesh plate 5 returns to the initial inclined state, the electric push rod 20 is started, the movable guard plate 19 is pulled away from the screening mesh plate 5, and the material on the screening mesh plate 5 can be discharged.

[0028] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0029] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0030] Although the embodiments of the utility model have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

[0031] The above describes the present application and its embodiments, which are not restrictive, and the drawings only show one of the embodiments of the present application, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired, without departing from the spirit of the present application, without creating a similar structure and embodiment of the technical solution, which should belong to the protection scope of the present application.

Claims

1. A chemical material screening machine, comprising a vibrating frame, the upper end of the vibrating frame is fixedly connected with a screening bottom plate (3), characterized in that: the screening bottom plate (3) is fixedly connected with side plates (4) corresponding to both sides, a screening mesh plate (5) is arranged between the two side plates (4), the two ends of the screening mesh plate (5) are fixedly connected with counterweights (21), the middle sections of the two sides of the screening mesh plate (5) are fixedly connected with rotating shafts (16), the side plates (4) are provided with rotating holes (17) matched with the rotating shafts (16), the inner walls of the two side plates (4) are slidably connected with U-shaped guide rails (6), the U-shaped guide rails (6) are slidably connected with adjusting push rods (7), the two sides of the screening bottom plate (3) are fixedly connected with support seats (12) located directly below the adjusting push rods (7), the upper ends of the support seats (12) are provided with support grooves (13), the cross sections of the support grooves (13) are isosceles trapezoidal, and the side plates (4) are each provided with a moving mechanism for driving the corresponding U-shaped guide rail (6) to slide along the length direction.

2. A chemical material screening machine according to claim 1, characterized in that: The bottom surfaces of the two sides of the screening mesh plate (5) are each provided with a sliding rail (23) matched with the adjusting push rod (7).

3. A chemical material screening machine according to claim 2, characterized in that: The upper end of the adjusting push rod (7) is fixedly connected with a ball (14), and the lower end is fixedly connected with a pulley.

4. A chemical material screening machine according to claim 1, characterized in that: The moving mechanism comprises sliding holes (9) arranged along the length direction on the side plates (4), one side of the U-shaped guide rail (6) is fixedly connected with a sliding block (8) slidably connected in the sliding hole (9), a screw rod (10) is rotatably connected in the sliding hole (9), the sliding block (8) is threadedly connected to the outer wall of the screw rod (10), and one end of the side plate (4) is fixedly connected with a control motor (11) for driving the screw rod (10) to rotate.

5. A chemical material screening machine according to claim 2, characterized in that: The bottom surfaces of the two sides of the screening mesh plate (5) are each fixedly connected with an inclined baffle (22) located on one side of the sliding rail (23), and the two inclined baffles (22) are arranged in an inverted eight character shape.

6. A chemical material screening machine according to claim 1, characterized in that: The two sides of the adjusting push rod (7) are fixedly connected with limit sliding strips, the inner walls of the two sides of the U-shaped guide rail (6) are provided with strip-shaped limit grooves, the U-shaped guide rail (6) is fixedly connected with a baffle (24) inside, one side of the adjusting push rod (7) is provided with a sliding groove (26) matched with the baffle (24), and a return spring (25) is fixedly connected between the inner bottom surface of the sliding groove (26) and the baffle (24).

7. A chemical material screening machine according to any one of claims 1 to 6, wherein: The vibrating frame comprises a bottom plate (1), the upper end of the bottom plate (1) is fixedly connected with a vibrating seat (27), the bottom surface of the screening bottom plate (3) is fixedly connected with a movable table (2) slidably inserted into the vibrating seat (27), the bottom surface of the movable table (2) is fixedly connected with a vibrating motor (28), and the vibrating motor (28) and the vibrating seat (27) are fixedly connected with a vibrating spring (29).

8. A chemical material screening machine according to claim 1, characterized in that: The upper end of the screening bottom plate (3) is inserted with a material receiving disc (31), and the material receiving disc (31) and the screening bottom plate (3) are threadedly connected with a fixing bolt (30).

9. A chemical material screening machine according to claim 1, characterized in that: The sieve screen plate (5) is fixedly connected with a fixed guard plate (18) at one end and is slidably connected with a movable guard plate (19) at the other end. The bottom surface of the sieve screen plate (5) is fixedly connected with an electric push rod (20) for driving the movable guard plate (19) to slide.

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