Composite shock absorber
By combining metal springs and elastic rubber or plastic in the composite shock absorber, the problem of poor shock absorption when the airflow extruder is opened is solved, thereby reducing the damage of vibration to the machine, extending the service life of the machinery, and making it suitable for a variety of equipment.
Patent Information
- Application Number
- CN202520523040.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-24
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-24
AI Technical Summary
Existing airflow extruders have poor shock absorption when the lid is opened, and the spring shock absorbers are prone to deformation and breakage, resulting in serious mechanical damage and shortened service life.
The composite shock absorber consists of a metal spring and elastic rubber or plastic. The outer layer is a protective layer, the middle layer is elastic rubber or plastic, and the inner layer is a split cavity structure connected by a guide rod. The metal spring and rubber/plastic work together to absorb impact and maintain the relative stability of the parts.
It effectively reduces the damage to the machine caused by the vibration force generated during instantaneous puffing, improves the service life of the machinery, has a simple structure, and is suitable for other equipment besides puffing machines that need to reduce instantaneous vibration force.
Smart Images
Figure CN223953174U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical damping field, concretely relates to a compound damper. BACKGROUND
[0002] The running equipment generally needs to use the damper to make the equipment can minimize the vibration, for example, the large air flow bulking machine is a kind of grain bulking equipment, which is composed of bulking tank body, heating device, rotating device, safety protection device, damping device, rack and base etc..Its working principle is that certain material is loaded into the sealed cast steel tank body with cover, uses liquefied gas, coal gas or coal heating, and the tank body is rotated at a certain speed, so that the material is uniformly heated, with the continuous heating, the temperature in the tank gradually rises, and the water in the material body surface and body will escape and vaporize, forming a certain pressure in the tank.When the water content of the material is controlled to about 5%~12%, the pressure in the tank will reach 0.2~1.3Mpa (different materials have different pressures).At this time, the material in the tank has been basically cooked, if the tank cover is suddenly opened, the material will be dehydrated and expanded, and its structure will change, and the volume will expand several times to tens of times.
[0003] The existing air flow bulking machine relies on spring damping when opening the cover, and the damping effect is poor, and the bow is easy to deform and break. SUMMARY
[0004] The utility model discloses a kind of compound dampers to overcome the deficiencies of the above prior art, can effectively reduce the damage of vibration force generated by instantaneous bulking to machine, improve the service life of machine, and the damper structure is also applicable to other equipment.
[0005] The utility model discloses a kind of compound dampers to overcome the deficiencies of the above prior art, can effectively reduce the damage of vibration force generated by instantaneous bulking to machine, improve the service life of machine, and the damper structure is also applicable to other equipment.
[0006] In the above technical scheme, the outer layer of the damper is a protective layer, which is made of a metal plate or a steel wire, a fiber-reinforced rubber or a carbon fiber composite plate with a certain strength, the middle layer is an elastic rubber or a plastic, and the inner layer is an upper and lower split cavity structure.The outer layer, the middle layer and the inner layer of the damper are connected by a guide connecting rod, a metal spring is sleeved on the guide connecting rod, the upper end of the metal spring is limited by the upper cavity of the inner layer, the lower end of the metal spring is limited by a spring sleeve, the spring sleeve is fixed on the lower cavity of the inner layer, and the elastic rubber or plastic is placed inside the lower cavity of the inner layer.
[0007] In the above technical scheme, the outer layer of the shock absorber is a protective layer, adopts a metal plate or steel wire, fiber reinforced rubber or carbon fiber composite plate with certain strength, the middle layer is elastic rubber or plastic, and the inner layer is an upper and lower split cavity structure; the outer layer, the middle layer and the inner layer of the shock absorber are connected through a guide connecting rod, a metal spring is sleeved on the guide connecting rod, the upper end of the metal spring is limited by the upper cavity of the inner layer, the lower end of the metal spring is limited by the lower cavity of the inner layer, and elastic rubber or plastic is placed in the lower cavity of the inner layer.
[0008] In the above technical scheme, the outer layer of the shock absorber is a protective layer, adopts a metal plate or steel wire, fiber reinforced rubber or carbon fiber composite plate with certain strength, the middle layer is elastic rubber or plastic, and the inner layer is an upper and lower split cavity structure; the outer layer, the middle layer and the inner layer of the shock absorber are connected through a guide connecting rod, a metal spring is sleeved on the guide connecting rod, the upper end of the metal spring is limited by the upper cavity of the inner layer, the lower end of the metal spring is limited by the lower cavity of the inner layer, and elastic rubber or plastic is placed in the lower cavity of the inner layer.
[0009] In the shock absorber of the utility model, the metal spring and the elastic rubber or plastic are combined, the metal spring has good durability, but the rebound force and the stretchability are too large, and the metal spring is also prone to deformation, the machine is easily damaged by the rebound vibration of the spring, and the relative position of the parts is prone to change, so that some actions of the machine cannot be completed; the elastic rubber and the plastic have stable shape and good impact vibration absorbing force; the metal spring absorbs the impact force in the early stage, and the rubber and the plastic absorb the impact force in the subsequent stage, and the shape and the relative position of the parts are stable.
[0010] The composite shock absorber has simple structure and convenient use, can effectively reduce the damage of the vibration force generated by instantaneous swelling to the machine, and can obviously improve the service life of the machine, and the composite shock absorber can be popularized and applied to other machines which need to reduce the instantaneous vibration force except the swelling machine. ACCURACY OF DRAWINGS
[0011] Figure 1 It is an explosion view of the shock absorber of the utility model.
[0012] Figure 2 It is a working state view of the embodiment 1.
[0013] Figure 3 It is a sectional view of the embodiment 1.
[0014] Figure 4 It is an explosion view of the shock absorber of the utility model.
[0015] Figure 5 is a cross-sectional view of example 2.
[0016] Figure 6 is a cross-sectional view of example 2 in the vertical direction. Figure 5
[0017] Figure 7 is an exploded view of the shock absorber of the present application, example 3.
[0018] Figure 8 is a cross-sectional view of example 3.
[0019] Figure 9 is a cross-sectional view of example 3 in the vertical direction. Figure 8
[0020] Figure 10 is an exploded view of the shock absorber of the present application, example 4.
[0021] Figure 11 is a cross-sectional view of example 4.
[0022] Figure 12 is a cross-sectional view of example 4 in the vertical direction. Figure 11
[0023] Figure 13 is a schematic view of the shock absorber of the present application when used in an air flow puffing machine (when the cover is not open).
[0024] Figure 14 is a schematic view of the shock absorber of the present application when used in an air flow puffing machine (when the cover is open).
[0025] Wherein: 1. protective layer, 2. middle layer elastic rubber, 3. inner layer upper cavity, 4. inner layer elastic rubber, 5. metal spring, 6. inner layer lower cavity, 7. spring outer sleeve, 8. bow, 9. shock absorber. DETAILED DESCRIPTION
[0026] In order to make the above objectives, features and advantages of the present application more apparent, specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in a number of ways other than those specifically described herein, and it is to be understood that the present application is not limited to the specific embodiments described below.
[0027] It should be noted that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present.
[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.
[0029] Embodiment 1
[0030] As shown in Figure 1 , Figure 2 , Figure 3 The present embodiment provides a composite shock absorber, the outer layer of the shock absorber is a protective layer 1, which is made of a metal plate or a steel wire, a fiber reinforced rubber or a carbon fiber composite plate with a certain strength, the middle layer is an elastic rubber or plastic, and the inner layer is an upper and lower split cavity structure. The outer layer, the middle layer and the inner layer of the shock absorber are connected by a guide connecting rod, a metal spring 5 is sleeved on the guide connecting rod, the upper end of the metal spring 5 is limited by the upper cavity 3 of the inner layer, and the lower end of the metal spring 5 is limited by the bottom of the spring outer sleeve 7. The spring outer sleeve 7 is fixed on the lower cavity 6 of the inner layer, and the elastic rubber or plastic is placed inside the lower cavity 6 of the inner layer. Among them, the outer layer, the middle layer and the upper cavity of the inner layer are tightly attached, and a certain gap is left between the elastic rubber or plastic on the upper cavity of the inner layer and the lower cavity of the inner layer. There can be no gap, but the shock absorbing effect is better when there is a gap.
[0031] It should be noted that the elastic rubber can be square or circular, and the elastic rubber surface has a protective layer, which is more stable in shape and is the optimal solution. The metal spring can be one, which is optimized to two for better effect. The elastic rubber can be arranged between the two metal springs, or one piece can be arranged on the left and right outermost sides of the two metal springs, or three pieces can be arranged as shown in the present embodiment.
[0032] As shown in Figure 13 , Figure 14 When the shock absorber of the present embodiment is used in an air flow expander, when the set pressure is reached, the opening cylinder is notified by the PLC to execute the action, the locking hook loses the locking force to the bent bow 8, the bent bow 8 and the tank cover connected with the bent bow are instantaneously opened, the material in the tank body instantaneously loses the pressure and expands, and at the same time the shock absorber 9 is controlled by the cylinder, and the shock absorber 9 stops at the place where the bent bow 8 is opened.
[0033] Embodiment 2
[0034] As shown in Figure 4 , Figure 5 , Figure 6As shown, this embodiment provides a composite shock absorber. The outer layer of the shock absorber is a protective layer, which is made of metal plate or steel wire, fiber-reinforced rubber or carbon fiber composite plate with a certain strength. The middle layer is elastic rubber or plastic, and the inner layer is a split cavity structure. The outer layer, middle layer and inner layer of the shock absorber are connected by a guide connecting rod. A metal spring is sleeved on the guide connecting rod. The upper end of the metal spring is restricted by the upper cavity of the inner layer, and the lower end of the metal spring is restricted by the lower cavity of the inner layer. Elastic rubber or plastic is placed inside the lower cavity of the inner layer.
[0035] Example 3
[0036] like Figure 7 , Figure 8 , Figure 9 As shown, this embodiment provides a composite shock absorber. The outer layer of the shock absorber is a protective layer, made of a metal plate or steel wire, fiber-reinforced rubber or carbon fiber composite plate with a certain strength. The middle layer is elastic rubber or plastic, and the inner layer is a split cavity structure. The outer, middle and inner layers of the shock absorber are connected by a guide connecting rod. A metal spring is sleeved on the guide connecting rod. The upper end of the metal spring is restricted by the protective layer, and the lower end of the metal spring is restricted by the spring outer sleeve. The bottom of the spring outer sleeve is fixed to the lower cavity of the inner layer, and the top passes through the upper cavity of the inner layer. Elastic rubber or plastic is placed inside the lower cavity of the inner layer.
[0037] Example 4
[0038] like Figure 10 , Figure 11 , Figure 12 As shown, this embodiment provides a composite shock absorber, which is similar in structure to Embodiment 2. The inner layer is a split cavity structure with only one piece of elastic rubber or plastic placed inside.
[0039] The contents not described in detail in this specification are existing technologies known to those skilled in the art.
[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.
Claims
1. A composite damper, characterized by: The shock absorber is combined by metal spring and elastic rubber or plastic, the outer layer of the shock absorber is a protective layer, the protective layer is made of metal plate or steel wire, fiber reinforced rubber or carbon fiber composite plate with certain strength, the middle layer is elastic rubber or plastic, the inner layer is a split cavity structure, the outer layer, the middle layer and the inner layer of the shock absorber are connected by a guide connecting rod, a metal spring is sleeved on the guide connecting rod, the upper end of the metal spring is limited by the upper cavity of the inner layer, the lower end of the metal spring is limited by a spring sleeve, the spring sleeve is fixed on the lower cavity of the inner layer, and elastic rubber or plastic is placed in the lower cavity of the inner layer.