Vibrating screen with adjustable screening precision
By using a double-interlaced screen plate and an adjustable rocker arm structure, the problem of the inability to adjust the screening accuracy of traditional vibrating screens is solved, enabling flexible adjustment of screening accuracy and improving the applicability and flexibility of vibrating screens.
Patent Information
- Application Number
- CN202520033526.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-07
AI Technical Summary
The slot size of the upper screen plate of a traditional vibrating screen is fixed and cannot be flexibly adjusted according to processing needs, resulting in screening accuracy that cannot meet the processing requirements of different materials and low operational flexibility.
The screen adopts a double-staggered screen plate structure. The size of the screening trough is adjusted by the staggered sliding of the fixed screen plate and the sliding screen plate. The support height and the inclination angle of the vibrating screen base are adjusted by the adjustable rocker arm structure, so as to achieve flexible adjustment of screening accuracy.
It enables flexible adjustment of screening accuracy, improves the applicability and flexibility of the vibrating screen, and meets the screening needs of different materials.
Smart Images

Figure CN223748022U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of vibrating screen, concretely to a vibrating screen with adjustable screening precision. BACKGROUND
[0002] The vibrating screen is a kind of equipment for screening, grading and filtering solid and liquid materials, which is usually composed of vibration generating structure, screen surface, screen mesh and vibrating screen frame, etc., and when working, the vibrating screen makes materials move quickly on the screen mesh through vibration, and separates materials into different particle sizes or levels by using vibration principle and screen mesh structure, for example, in the production process of color-changing microcapsules, in order to facilitate subsequent mixing and processing of capsule materials, the vibrating screen is needed to perform homogenization and screening treatment on microcapsule production material particles.
[0003] When working, the vibrating screen performs screening treatment on materials by the screen plate arranged on the upper part, and the screening precision of materials is limited by the screening slots on the upper part of the screen plate, since the types of material particles and the screening precision are different, the size of the slots on the upper part of the screen plate of the conventional vibrating screen is fixed and cannot be adjusted, and therefore, the screening precision of materials cannot be flexibly adjusted according to the processing needs when working, and the working flexibility is low, which cannot meet the screening processing needs of materials with different screening precision, and therefore, a vibrating screen with adjustable screening precision is proposed. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a vibrating screen with adjustable screening precision to solve the problems proposed in the above background.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a vibrating screen with adjustable screening precision, comprising a rack mechanism and a driving mechanism, the rack mechanism comprises a bottom support, a vibrating screen base, a material collecting hopper base and a support rocker arm, the support rocker arm is adjustably installed on the upper part of the support swivel base arranged on the side of the bottom support through screw holes, the vibrating screen base is movably installed above the bottom support under the support of the support rocker arm, the middle part of the vibrating screen base is provided with a fixed screen plate and a sliding screen plate, the sliding screen plate is movably and tightly installed on the lower part of the fixed screen plate, and the material collecting hopper base is installed on the middle part of the bottom support.
[0006] The driving mechanism is used for driving the vibrating screen base to work, and comprises a driving motor, a driving crankshaft and a driving connecting arm, the driving crankshaft is rotatably installed on the rear part of the bottom support under the driving of the driving motor, and the lower part of the vibrating screen base is movably connected and installed with the middle part of the driving crankshaft through the driving connecting arm.
[0007] As a preferred, the support base side of the support swivel base is fixedly installed on the side of the bottom support through bolts, the rotation side of the support swivel base is fixedly installed with a mounting groove base, and the lower part of the support rocker arm is embeddedly and plug-in installed on the inner side of the mounting groove base.
[0008] As preferred, the upper part of the mounting groove seat is uniformly provided with an adjusting hole, the lower side of the support rocker arm is provided with a positioning screw hole, the inner side of the positioning screw hole is provided with a positioning bolt, the end of the positioning bolt penetrates the adjusting hole and is screw-fastened to the inner side of the positioning bolt, and the upper part of the support rocker arm is hingedly installed on the side of the vibrating screen seat through a shaft column.
[0009] As preferred, the driving motor is screw-fastened to the side of the bottom support, and the end of the driving crankshaft is rotatably installed on the upper part of the rear side of the bottom support through a shaft seat.
[0010] As preferred, the rear part of the driving connecting arm is hingedly installed on the crankshaft part of the middle part of the driving crankshaft, the lower part of the vibrating screen seat is fixedly installed with a connecting arm mounting seat, and the front part of the driving connecting arm is hingedly installed on the connecting arm mounting seat through a pin shaft.
[0011] As preferred, the front and rear sides of the vibrating screen seat are provided with material guide groove seats, the fixed screen plate is fixedly installed on the middle part of the bottom side of the vibrating screen seat, the sliding screen plate is slidingly and fitly installed on the lower side of the vibrating screen seat through a groove, and the middle part of the fixed screen plate and the sliding screen plate is provided with a screening groove.
[0012] As preferred, the upper part of the front side of the fixed screen plate is provided with a guide groove, the inner side of the guide groove is provided with a limiting bolt column, the end of the limiting bolt column penetrates the fixed screen plate through the guide groove and is screw-fastened to the screw hole of the upper part of the sliding screen plate, the middle part of the limiting bolt column is sleeved with a limiting tooth plate, the both sides of the opening of the guide groove are provided with limiting tooth grooves, and the limiting tooth plate and the limiting tooth grooves are fitly and clampedly installed after screw-fastening.
[0013] Compared with the prior art, the above technical scheme has the following technical effects:
[0014] The vibrating screen adopts double-staggered screen plates, the fixed screen plate is fixedly installed on the vibrating screen seat, the sliding screen plate is slidingly and fitly installed on the lower part of the fixed screen plate through a groove, the size of the groove can be flexibly adjusted through the staggered sliding between the two screen plates during use, the device can meet the processing requirements of materials with different screening precision, the adjustable rocker arm structure is adopted, the support rocker arm is connected and installed on the support rotary seat through a groove fit structure, the support height of the support rocker arm can be flexibly adjusted through screw hole selection and fastening, the control and adjustment of the working inclination angle and the overturning amplitude of the vibrating screen seat are realized, the structure is simple and convenient to adjust, and the working applicability and use flexibility of the vibrating screen are greatly improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the accompanying drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.
[0016] Figure 1 It is a whole front side three-dimensional structure schematic view of the utility model;
[0017] Figure 2 It is a whole rear side three-dimensional structure schematic view of the utility model;
[0018] Figure 3 It is a vibration sieve seat upper side three-dimensional structure schematic view of the utility model;
[0019] Figure 4 It is a utility model's Figure 3 A region structure schematic view;
[0020] Figure 5 It is a fixed sieve plate and sliding sieve plate split installation structure schematic view of the utility model;
[0021] Figure 6 It is a vibration sieve seat lower side three-dimensional structure schematic view of the utility model.
[0022] The figure mark explanation: 1, bottom support; 2, vibration sieve seat; 3, gather hopper seat; 4, support rocker arm; 5, drive motor; 6, drive crankshaft; 7, drive connecting arm; 8, support rotary seat; 9, connecting arm mounting seat; 10, fixed sieve plate; 11, sliding sieve plate; 12, screening notch; 13, limiting bolt column; 14, limiting tooth plate; 15, limiting tooth groove; 16, guide chute seat. Specific implementation
[0023] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0024] It is to be understood that the structure, proportion, size and the like shown in the drawings of the present specification are only used to cooperate with the disclosed content, to be understood and read by those skilled in the art, and are not used to limit the implementation conditions of the present application, so they do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose that can be achieved by the present application, should still fall within the scope of the disclosed technology.
[0025] Embodiment
[0026] Please refer to Figures 1-6 The utility model provides a technical scheme: a vibrating screen with adjustable screening accuracy, comprising a rack mechanism and a driving mechanism, the rack mechanism comprises a bottom support 1, a vibrating screen seat 2, a material collecting hopper seat 3 and a supporting rocker arm 4, the supporting rocker arm 4 is installed on the upper part of the supporting rotary seat 8 arranged on the side of the bottom support 1 through screw hole alignment, specifically, as shown in the accompanying Figure 1 The supporting rotary seat 8 is used for supporting the overturning support of the supporting rocker arm 4, the support side of the supporting rotary seat 8 is fixedly installed on the side of the bottom support 1 through a bolt, in order to facilitate the adjustment and installation of the supporting rocker arm 4, an installation groove seat is fixedly installed on the rotating side of the supporting rotary seat 8, the lower part of the supporting rocker arm 4 is inserted and connected to the inner side of the installation groove seat, in order to facilitate the support adjustment, the upper part of the installation groove seat is uniformly provided with an adjustment hole, the lower side of the supporting rocker arm 4 is provided with a positioning screw hole, the inner side of the positioning screw hole is provided with a positioning bolt, the end of the positioning bolt penetrates the adjustment hole and is screw-fastened to the inner side of the positioning bolt, the adjustable rocker arm structure is adopted, the supporting rocker arm 4 is connected and installed on the supporting rotary seat 8 through the slot insertion structure, the supporting height of the supporting rocker arm 4 can be flexibly adjusted by selecting fastening through the screw hole, the upper part of the supporting rocker arm 4 is hingedly installed on the side of the vibrating screen seat 2 through a shaft column, the working inclination angle and the overturning amplitude of the vibrating screen seat 2 can be controlled and adjusted through hole adjustment, the structure is simple and convenient to adjust, and the working applicability and use flexibility of the vibrating screen are greatly improved.
[0027] The driving mechanism is used for the working drive of the vibrating screen seat 2, and comprises a driving motor 5, a driving crankshaft 6 and a driving connecting arm 7, the driving crankshaft 6 is rotatably installed on the rear part of the bottom support 1 under the drive of the driving motor 5, specifically, as shown in the accompanying Figure 2As shown, the driving motor 5 is fixedly installed on the side of the bottom support 1, the end of the driving crankshaft 6 is rotatably installed on the upper rear side of the bottom support 1 through a shaft support, the lower part of the vibrating screen seat 2 is connected and installed with the middle part of the driving crankshaft 6 through the driving connecting arm 7, specifically, the rear part of the driving connecting arm 7 is hingedly installed with the crankshaft part of the middle part of the driving crankshaft 6, in order to be drivenly installed with the driving connecting arm 7, the connecting arm mounting seat 9 is fixedly installed on the lower part of the vibrating screen seat 2, the front part of the driving connecting arm 7 is hingedly installed with the connecting arm mounting seat 9 through a pin shaft, and the working driving of the vibrating screen seat 2 can be realized through the driving of the driving connecting arm 7.
[0028] In order to facilitate the collection of the screened materials, the collecting hopper seat 3 is installed on the middle part of the bottom support 1, in order to facilitate the feeding and discharging work, as shown in the accompanying drawings, Figure 3 As shown, the guide groove seats 16 are arranged on the front and rear sides of the vibrating screen seat 2, in order to facilitate the screening work of the materials, the fixed screen plate 10 and the sliding screen plate 11 are arranged on the middle part of the vibrating screen seat 2, the fixed screen plate 10 is fixedly installed on the middle part of the bottom side of the vibrating screen seat 2, the sliding screen plate 11 is slidably and fittingly installed with the lower side of the vibrating screen seat 2 through a slot, after installation, the sliding screen plate 11 is movably and fittingly installed on the lower part of the fixed screen plate 10, the double staggered screen plates are adopted, the fixed screen plate 10 is fixedly installed with the vibrating screen seat 2, the sliding screen plate 11 is slidably and fittingly installed on the lower part of the fixed screen plate 10 through the slot, in order to realize the slot adjustment, the screening slots 12 are arranged on the middle parts of the fixed screen plate 10 and the sliding screen plate 11, the size of the slot can be flexibly adjusted through the staggered sliding between the two screen plates during use, so that the device can meet the processing requirements of different screening precision materials.
[0029] In order to facilitate the adjustment operation, as shown in the accompanying drawings, Figure 4 As shown, the guide slot is arranged on the upper front side of the fixed screen plate 10, in order to facilitate the locking and limiting of the sliding screen plate 11 after adjustment, the limiting bolt column 13 is arranged on the inner side of the guide slot, the end of the limiting bolt column 13 is movably and fittingly penetrated through the fixed screen plate 10 through the guide slot and is tightly installed with the screw hole on the upper part of the sliding screen plate 11, in order to improve the limiting stability, the limiting tooth plate 14 is sleeved on the middle part of the limiting bolt column 13, the limiting tooth grooves 15 are arranged on both sides of the opening of the guide slot, after tight installation, the limiting tooth plate 14 is fittingly and clampingly installed with the limiting tooth grooves 15, and the sliding screen plate 11 can be stably clampingly and lockingly limited.
[0030] The working principle or structural principle is that, when in use, the working inclination angle of the vibrating screen base 2 and the screening accuracy are adjusted according to the screening processing requirements of the materials, the supporting height of the supporting rocker arm 4 is adjusted when the adjustment is performed, the fastening position of the upper screw hole of the supporting rocker arm 4 is changed by sliding, then the fastening and installation of the supporting rocker arm 4 and the supporting rotary seat 8 are completed by screw fastening, the front and rear sides of the vibrating screen base 2 form a certain working inclination angle through the supports with different heights after the installation, then the limiting bolt column 13 on the upper part of the fixed screen plate 10 is loosened, then the position of the sliding screen plate 11 is adjusted by pushing, the adjustment operation of the screening accuracy of the device is completed by changing the staggered degree of the upper screening slots 12 of the fixed screen plate 10 and the sliding screen plate 11, then the limiting bolt column 13 is fastened by the downward pressing of the matching clamping of the limiting tooth plate 14 and the limiting tooth groove 15, the limiting locking of the sliding screen plate 11 is completed, the adjustment work is completed, the driving motor 5 drives the driving crankshaft 6 to rotate when in use, the driving connecting arm 7 is driven to perform eccentric motion by the crankshaft part in the middle of the driving crankshaft 6, the supporting rocker arm 4 is driven to perform the overturning supporting by the eccentric pushing of the driving connecting arm 7, the vibrating screen base 2 is driven to perform the periodic screening vibration action, then the materials are put through the rear part of the vibrating screen base 2, and the screening work of the materials is completed through the periodic vibration of the vibrating screen base 2 and the screening effect of the screening slots 12.
[0031] In conclusion, the vibrating screen adopts the double staggered screen plates, the fixed screen plate 10 is fixedly installed on the vibrating screen base 2, the sliding screen plate 11 is installed on the lower part of the fixed screen plate 10 through the slot guiding sliding, the size of the slot can be flexibly adjusted through the staggered sliding between the two groups of screen plates when in use, the device can meet the processing requirements of the materials with different screening accuracies, the adjustable rocker arm structure is adopted, the supporting rocker arm 4 is connected and installed on the supporting rotary seat 8 through the slot embedding structure, the supporting height of the supporting rocker arm 4 can be flexibly adjusted through the screw hole selection fastening, the control and adjustment of the working inclination angle and the overturning amplitude of the vibrating screen base 2 are realized, the structure is simple and convenient to adjust, and the working applicability and the use flexibility of the vibrating screen are greatly improved.
[0032] Those skilled in the art can understand that the features recorded in various embodiments and / or claims of the present application can be combined or / and combined in various ways, even if such combinations or combinations are not explicitly recorded in the present application. In particular, the features recorded in various embodiments and / or claims of the present application can be combined in various ways without departing from the spirit and teachings of the present application. All these combinations and / or combinations fall within the scope of the present application.
Claims
1. A vibrating screen with adjustable screening accuracy, comprising a frame mechanism and a drive mechanism, characterized in that: The rack mechanism comprises a bottom support (1), a vibrating screen base (2), a collecting hopper base (3) and a supporting rocker arm (4), the supporting rocker arm (4) is adjustably installed on the upper part of the supporting rotary base (8) arranged on the side of the bottom support (1) through screw hole alignment, the vibrating screen base (2) is movably installed above the bottom support (1) under the support of the supporting rocker arm (4), the middle part of the vibrating screen base (2) is provided with a fixed screen plate (10) and a sliding screen plate (11), the sliding screen plate (11) is movably and tightly installed on the lower part of the fixed screen plate (10), and the collecting hopper base (3) is installed on the middle part of the bottom support (1). The driving mechanism is used for the working driving of the vibrating screen base (2), and comprises a driving motor (5), a driving crankshaft (6) and a driving connecting arm (7), the driving crankshaft (6) is rotatably installed on the rear part of the bottom support (1) under the driving of the driving motor (5), and the lower part of the vibrating screen base (2) is connected and installed with the middle part of the driving crankshaft (6) through the driving connecting arm (7).
2. The vibrating screen with adjustable screening accuracy according to claim 1, characterized in that: The support side of the supporting rotary base (8) is fixedly installed on the side of the bottom support (1) through a bolt, the rotary side of the supporting rotary base (8) is fixedly installed with an installation groove base, and the lower part of the supporting rocker arm (4) is inserted and connected to the inner side of the installation groove base.
3. A vibrating screen with adjustable screening accuracy according to claim 2, characterized in that: The upper part of the installation groove base is uniformly provided with an adjusting hole, the lower side of the supporting rocker arm (4) is provided with a positioning screw hole, the inner side of the positioning screw hole is provided with a positioning bolt, the end of the positioning bolt penetrates through the adjusting hole and is screw-fastened to the inner side of the positioning bolt, and the upper part of the supporting rocker arm (4) is hingedly installed with the side of the vibrating screen base (2) through a shaft column.
4. The vibrating screen with adjustable screening accuracy according to claim 3, characterized in that: The driving motor (5) is fixedly installed on the side of the bottom support (1) through a bolt, and the end of the driving crankshaft (6) is rotatably installed on the upper part of the rear side of the bottom support (1) through a shaft base.
5. A vibrating screen with adjustable screening accuracy according to claim 4, characterized in that: The rear part of the driving connecting arm (7) is hingedly installed with the crankshaft part of the middle part of the driving crankshaft (6), the lower part of the vibrating screen base (2) is fixedly installed with a connecting arm installation base (9), and the front part of the driving connecting arm (7) is hingedly installed with the connecting arm installation base (9) through a pin shaft.
6. The vibratory screen of claim 1, wherein: The front and rear sides of the vibrating screen base (2) are provided with material guide groove bases (16), the fixed screen plate (10) is fixedly installed on the middle part of the bottom side of the vibrating screen base (2), the sliding screen plate (11) is slidingly and tightly installed with the lower side of the vibrating screen base (2) through a groove, and the middle parts of the fixed screen plate (10) and the sliding screen plate (11) are provided with screening grooves (12).
7. A vibrating screen with adjustable screening accuracy according to claim 6, characterized in that: The front upper part of the fixed screen plate (10) is provided with a guide groove, the inner side of the guide groove is provided with a limiting bolt column (13), the end of the limiting bolt column (13) penetrates through the fixed screen plate (10) and is screw-fastened to the screw hole on the upper part of the sliding screen plate (11) through the guide groove, the middle part of the limiting bolt column (13) is sleeved with a limiting tooth plate (14), the opening sides of the guide groove are provided with limiting tooth grooves (15), and the limiting tooth plate (14) is tightly and clampedly installed with the limiting tooth grooves (15) after fastening.