Composite rubber spring structure
By introducing a protective mechanism into the rubber spring structure, the problem of impact from hard materials and fine particles such as mineral powder on the rubber spring is solved, thus achieving protection and extending the service life of the rubber spring and ensuring the stable operation of the vibrating screen.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-16
- Publication Date
- 2026-03-20
AI Technical Summary
Existing composite rubber springs are susceptible to impact from hard materials and fine particles such as mineral powder in vibrating screens, which can lead to the peeling of the rubber surface and exposure of the metal skeleton, affecting the damping performance and potentially causing equipment resonance.
A composite rubber spring structure was designed, comprising a base plate, a top plate, a metal helical spring, a vulcanized rubber sleeve, and a protective mechanism. The protective mechanism consists of a first protective cover, a second protective cover, a sliding groove, an insert protective cover, and a dustproof brush, forming a multi-layered protective barrier to prevent hard materials and fine particles such as mineral powder from contacting the rubber spring.
It effectively protects the rubber spring from external materials, improves the service life of the rubber spring, and ensures the normal operation of the shock absorption device.
Smart Images
Figure CN224017610U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to spring, shock absorber, damping device technical field, concretely is a kind of composite rubber spring structure. BACKGROUND
[0002] Vibrating screen is a kind of screening equipment using mechanical vibration to classify, filter or dewater material, widely used in mining, metallurgy, building materials, chemical industry and other industries, through centrifugal force generated by vibrating motor or exciter, make screen box do periodic vibration, material is thrown, layered and complete screen on screen surface, rubber spring is the key damping element in vibrating screen equipment.
[0003] The structure of composite rubber spring is that vulcanized rubber is coated outside metal spiral spring, forming metal-rubber composite, when using vibrating screen to screen ore, coal and other materials, continuous impact of hard material can cause rubber surface layer to peel off, accelerate metal skeleton exposure, reduce damping performance and possibly cause equipment resonance, at the same time, fine particles such as ore powder can also penetrate into metal-rubber bonding layer, cause peeling and uneven stiffness, affect screen machine running track. UTILITY MODEL CONTENT
[0004] The utility model discloses a kind of composite rubber spring structures, and the purpose is to at least solve one of the technical problems existing in prior art, with the function of being able to block external material, reach the function of protecting spring, so that hard material and fine particles such as ore powder cannot contact with rubber spring, thereby avoiding the influence of external material on rubber spring, improve the service life of rubber spring.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of composite rubber spring structure, including bottom plate, top plate is installed on the upper side of bottom plate, metal spiral spring is installed between bottom plate and top plate;
[0006] The upper end and the lower end of metal spiral spring are fixedly connected with the opposite surface of top plate and bottom plate respectively, vulcanized rubber sleeve is fixedly sleeved on the outer surface of metal spiral spring, protective mechanism is provided on the bottom plate and top plate, metal spiral spring and vulcanized rubber sleeve can be protected by protective mechanism;
[0007] Protective mechanism includes first protective cover, second protective cover, sliding groove, plug-in protective cover and dust brush.
[0008] Preferably, the outer surface of the bottom plate and the top plate is fixedly sleeved with a connecting flange, four bolt holes are formed in the two connecting flanges.
[0009] Preferably, the four bolt holes on each connecting flange are arranged in a ring array, and a fixing bolt is installed on each bolt hole.
[0010] The connecting flange is connected with the vibrating screen through fixing bolts.
[0011] Preferably, the first protective cover is fixedly connected to the upper side of the bottom plate, and the first protective cover is sleeved outside the metal spiral spring.
[0012] The second protective cover is fixedly connected to the lower side of the top plate, and the second protective cover is also sleeved outside the metal spiral spring.
[0013] Preferably, the sliding groove is arranged in the interior of the second protective cover, the bottom wall of the sliding groove extends out of the lower side of the second protective cover, and the plug-in protective cover is fixedly connected to the upper side of the first protective cover.
[0014] Preferably, the upper side of the plug-in protective cover slides into the interior of the sliding groove, the plug-in protective cover is matched with the sliding groove, and the dustproof brush is fixedly connected to the lower side of the second protective cover.
[0015] Preferably, the dustproof brush is in contact with the plug-in protective cover, and the dustproof brush can further block the mineral powder, so that the mineral powder is prevented from entering the interior of the sliding groove.
[0016] Compared with the prior art, the utility model has the beneficial effects that:
[0017] (1) The composite rubber spring structure can block external materials, protect the rubber spring, prevent hard materials and mineral powder and other fine particles from contacting the rubber spring, avoid the influence of external materials on the rubber spring, and prolong the service life of the rubber spring.
[0018] (2) The composite rubber spring structure can block impurities such as fine mineral powder, prevent the impurities from entering the interior of the sliding groove, avoid the influence of the impurities on the normal sliding between the sliding groove and the plug-in protective cover, and ensure the smoothness of the use of the protective mechanism. BRIEF DESCRIPTION OF DRAWINGS
[0019] The utility model will be further explained in connection with the drawings and examples:
[0020] Figure 1 It is a structure schematic view of the utility model composite rubber spring structure;
[0021] Figure 2 It is a sectional view of the utility model composite rubber spring connecting structure schematic view;
[0022] Figure 3 It is Figure 2 the A place enlarged schematic view of;
[0023] Figure 4 It is Figure 2 the B place enlarged schematic view of.
[0024] 1, bottom plate; 2, top plate; 3, metal coil spring; 4, vulcanized rubber sleeve; 5, connecting flange; 6, bolt hole; 7, fixing bolt; 8, first protective cover; 9, second protective cover; 10, sliding groove; 11, plug-in protective cover; 12, dustproof brush. DETAILED DESCRIPTION
[0025] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.
[0026] In the description of the utility model, it is understood that the orientation description, such as the orientation or position relationship of the upper, lower, front, rear, left, right and the like indicated by the drawings is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, a specific orientation and operation, therefore, it cannot be understood as a limitation on the utility model.
[0027] In the description of the utility model, greater than, less than, more than and the like are understood as not including the number, and above, below and the like are understood as including the number. If the first and the second are described, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.
[0028] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installing and connecting should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.
[0029] Please refer to Figures 1-4The utility model provides a new technical scheme: a composite rubber spring structure, including bottom plate 1, the upside of bottom plate 1 is installed with top plate 2, bottom plate 1 and top plate 2 between are installed with metal spiral spring 3, and the upper end and lower end of metal spiral spring 3 are fixedly connected with the opposite surface of top plate 2 and bottom plate 1 respectively, and the outer surface of metal spiral spring 3 is fixedly sleeved with vulcanized rubber sleeve 4, and the outer surface of bottom plate 1 and top plate 2 is fixedly sleeved with connecting flange 5, four bolt holes 6 are set up on two connecting flanges 5, and the four bolt holes 6 on each connecting flange 5 are arranged in annular array, and fixed bolt 7 is installed on each bolt hole 6, and connecting flange 5 is connected together with vibrating screen through fixed bolt 7, and bottom plate 1 and top plate 2 are provided with protection mechanism, and the metal spiral spring 3 and vulcanized rubber sleeve 4 can be protected through protection mechanism, and the protection mechanism includes first protective cover 8, second protective cover 9, sliding groove 10, plug-in protective cover 11 and dust brush 12.
[0030] Further, the first protective cover 8 is fixedly connected to the upper side of the bottom plate 1, the first protective cover 8 is sleeved on the outside of the metal spiral spring 3, the second protective cover 9 is fixedly connected to the lower side of the top plate 2, the second protective cover 9 is also sleeved on the outside of the metal spiral spring 3, the sliding groove 10 is formed in the inside of the second protective cover 9, the bottom wall of the sliding groove 10 extends out of the lower side of the second protective cover 9, the plug-in protective cover 11 is fixedly connected to the upper side of the first protective cover 8, the upper side of the plug-in protective cover 11 slides into the inside of the sliding groove 10, the plug-in protective cover 11 is matched with the sliding groove 10, the dust brush 12 is fixedly connected to the lower side of the second protective cover 9, the dust brush 12 contacts with the plug-in protective cover 11, and the dust brush 12 can further block the mineral powder to prevent the mineral powder from entering the inside of the sliding groove 10.
[0031] Further, in the actual working process of the composite rubber spring structure, when the vibrating screen works and vibrates, the top plate 2 is subjected to the force from the vibrating screen, the force is transmitted to the bottom plate 1 through the metal spiral spring 3, the metal spiral spring 3 deforms elastically to absorb and buffer the vibration energy, thereby playing a preliminary damping role, at the same time, the vulcanized rubber sleeve 4 on the outer surface of the metal spiral spring 3 further buffers and absorbs the vibration by virtue of the good elasticity and flexibility of rubber, and the two work cooperatively to realize efficient damping.
[0032] The connecting flange 5 is connected with the vibrating screen through the fixing bolt 7, which ensures that the whole spring structure is stably installed on the vibrating screen, and the protection mechanism plays an important role in this process. The first protection cover 8 and the second protection cover 9 are respectively fixed on the bottom plate 1 and the top plate 2, and are sleeved outside the metal spiral spring 3 to form a first layer of protection barrier. The plug-in protection cover 11 is matched with the sliding groove 10 and can slide in the second protection cover 9, so that the protection structure can still effectively block the external impurities during the extension and contraction of the spring. The dust brush 12 closely contacts the plug-in protection cover 11 to perform secondary blocking on the fine mineral powder and other impurities, preventing them from entering the sliding groove 10 and affecting the normal extension and contraction of the spring, so as to ensure that the spring is always in a good working condition.
[0033] Further, in this way, the external materials can be blocked, the rubber spring is protected, and thus the hard materials and fine particles such as mineral powder cannot contact the rubber spring, thereby avoiding the influence of external materials on the rubber spring and improving the service life of the rubber spring.
[0034] Structure description: The bottom plate 1 is a bottom support component of the whole composite rubber spring structure, cooperates with the top plate 2 to provide a mounting basis for the metal spiral spring 3 and the vulcanized rubber sleeve 4, and is connected with the vibrating screen through the connecting flange 5.
[0035] The top plate 2 is located above the bottom plate 1, cooperates with the bottom plate 1 to fix the upper end of the metal spiral spring 3, and is connected with the vibrating screen through the connecting flange 5 to bear the force from the vibrating screen.
[0036] The metal spiral spring 3 is installed between the bottom plate 1 and the top plate 2, relies on its elastic deformation to absorb and buffer the vibration energy, and plays a preliminary damping role.
[0037] The vulcanized rubber sleeve 4 is fixedly sleeved on the outer surface of the metal spiral spring 3, further buffers and absorbs the vibration by virtue of the good elasticity and flexibility of rubber, cooperates with the metal spiral spring 3 to work, and realizes efficient damping.
[0038] The connecting flange 5 is fixedly sleeved on the outer surfaces of the bottom plate 1 and the top plate 2, four bolt holes 6 are arranged in a ring array on each connecting flange 5, and the connecting flange 5 is connected with the vibrating screen through the fixing bolt 7 to ensure that the whole spring structure is stably installed on the vibrating screen.
[0039] The bolt hole 6 is arranged on the connecting flange 5, there are four bolt holes 6 on each connecting flange 5, which are arranged in a ring array, and are used for installing the fixing bolt 7 to realize the connection between the connecting flange 5 and the vibrating screen.
[0040] The fixing bolt 7 is installed on the bolt hole 6 to tightly connect the connecting flange 5 and the vibrating screen together, so as to ensure that the whole spring structure is stably installed on the vibrating screen.
[0041] The first protective cover 8 is fixedly connected to the upper side of the bottom plate 1, is sleeved on the outer side of the metal coil spring 3, forms a first layer of protective barrier, and blocks foreign impurities from entering the working area of the metal coil spring 3 and the vulcanized rubber sleeve 4.
[0042] The second protective cover 9 is fixedly connected to the lower side of the top plate 2, is also sleeved on the outer side of the metal coil spring 3, cooperates with the first protective cover 8 to form a complete protective structure, and is internally provided with a sliding groove 10 for sliding the plug-in protective cover 11.
[0043] The sliding groove 10 is internally provided in the second protective cover 9, the bottom wall extends out of the lower side of the second protective cover 9, is used for sliding the plug-in protective cover 11, and guarantees that the protective structure can still effectively block foreign impurities during the stretching and retracting of the spring.
[0044] The plug-in protective cover 11 is fixedly connected to the upper side of the first protective cover 8, the upper side is slidably extended into the interior of the sliding groove 10, is matched with the sliding groove 10, slides along with the stretching and retracting of the metal coil spring 3, and maintains the continuity of the protective structure.
[0045] The dustproof brush 12 is fixedly connected to the lower side of the second protective cover 9, is in contact with the plug-in protective cover 11, blocks fine mineral powder and other impurities, prevents the impurities from entering the interior of the sliding groove 10, and avoids affecting the normal sliding between the sliding groove 10 and the plug-in protective cover 11 due to the invasion of the impurities. The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by ordinary skilled persons in the technical field, without departing from the purpose of the utility model.
Claims
1. A composite rubber spring structure, comprising a base plate (1), a top plate (2) mounted on the upper side of the base plate (1), and a metal helical spring (3) mounted between the base plate (1) and the top plate (2). The upper and lower ends of the metal helical spring (3) are fixedly connected to the opposite surfaces of the top plate (2) and the bottom plate (1), respectively. A vulcanized rubber sleeve (4) is fixedly fitted onto the outer surface of the metal helical spring (3). Its characteristic is that: The bottom plate (1) and top plate (2) are provided with protective mechanisms, which can protect the metal helical spring (3) and the vulcanized rubber sleeve (4); The protective mechanism includes a first protective cover (8), a second protective cover (9), a sliding groove (10), a plug-in protective cover (11), and a dustproof brush (12).
2. The composite rubber spring structure according to claim 1, characterized in that: The outer surfaces of the base plate (1) and the top plate (2) are both fixedly fitted with connecting flanges (5), and four bolt holes (6) are opened on both connecting flanges (5).
3. The composite rubber spring structure according to claim 2, characterized in that: The four bolt holes (6) on each of the connecting flanges (5) are arranged in a circular array, and a fixing bolt (7) is installed on each bolt hole (6). The connecting flange (5) is connected to the vibrating screen by fixing bolts (7).
4. The composite rubber spring structure according to claim 1, characterized in that: The first protective cover (8) is fixedly connected to the upper side of the base plate (1), and the first protective cover (8) is sleeved on the outside of the metal helical spring (3); The second protective cover (9) is fixedly connected to the lower side of the top plate (2), and the second protective cover (9) is also sleeved on the outside of the metal helical spring (3).
5. The composite rubber spring structure according to claim 1, characterized in that: The sliding groove (10) is opened inside the second protective cover (9), and the bottom wall of the sliding groove (10) extends out of the lower side of the second protective cover (9). The plug-in protective cover (11) is fixedly connected to the upper side of the first protective cover (8).
6. The composite rubber spring structure according to claim 5, characterized in that: The upper side of the plug-in protective cover (11) slides into the interior of the sliding groove (10), the plug-in protective cover (11) is adapted to the sliding groove (10), and the dustproof brush (12) is fixedly connected to the lower side of the second protective cover (9).
7. A composite rubber spring structure according to claim 6, characterized in that: The dustproof brush (12) is in contact with the plug-in protective cover (11), and the dustproof brush (12) can further block the mineral powder, preventing the mineral powder from entering the interior of the sliding groove (10).