CN208789039U - A kind of vibration-absorbing noise-reduction pad on extruder - Google Patents

Abstract

The utility model relates to damping noise reduction technical fields, in particular to a kind of vibration-absorbing noise-reduction pad on extruder, solve the problems, such as that common damping device cannot weaken the noise generated, its key points of the technical solution are that a kind of vibration-absorbing noise-reduction pad on extruder, including pad, the pad includes the first buffer layer and the second buffer layer for being arranged in above first buffer layer, first buffer layer includes the first groove that first surface and opening are located at the first surface, second buffer layer includes the second groove for being located at the second surface towards the second surface and opening of the first surface, first groove and the second groove face, the first surface is equipped with the elastomeric element for avoiding the first surface and the second surface to abut between adjacent two first groove, multilayer damping is reached While can also weaken the effect of noise, provide a good working environment for shop personnel.

Description

A kind of vibration-absorbing noise-reduction pad on extruder

Technical field

The utility model relates to damping noise reduction technical field, in particular to a kind of vibration-absorbing noise-reduction pad on extruder.

Background technique

Screw extruder be by screw rod rotation generate pressure and shearing force, allow base-material sufficiently carry out plasticizing and Uniformly mixing, eventually by the molding equipment of mouth mold.Double screw extruder is grown up on the basis of single screw extrusion machine, Because having the characteristics that good charging performance, being kneaded plasticizing capacity, exhaust performance, extrusion stability, so being widely used in squeezing The processing and forming of product out.

In manufacture process, equipment, which runs at high speed, causes fuselage to shake, the influence of noise generated by vibration people Work.A kind of modeling with damping device is disclosed in the Chinese patent document that number of patent application is 201520575267.3 Expect extruder, achieve the purpose that damping by being located at the spring stack squeezed out below bucket and the resilient cushion being built up in below support leg, But the noise generated can not be weakened.

Utility model content

The vibration-absorbing noise-reduction pad that the purpose of the utility model is to provide a kind of on extruder, by buffer layer upper groove with And the design of elastomeric element reduces and squeezes out the vibration that generates because running at high speed of machine equipment and weaken noise, for the people that works Member provides a good working environment.

The above-mentioned technical purpose of the utility model has the technical scheme that

A kind of vibration-absorbing noise-reduction pad on extruder, including pad, the pad include that the first buffer layer and setting exist The second buffer layer above first buffer layer, first buffer layer include that first surface and opening are located at described the First groove on one surface, second buffer layer include second surface and opening towards the first surface positioned at institute The second groove of second surface, first groove and the second groove face are stated, the first surface, which is equipped with, is located at phase The elastomeric element for avoiding the first surface and the second surface to abut between adjacent two first grooves.

By using above-mentioned technical proposal, pad includes that the first buffer layer and the second buffer layer, the two mutually abut, and is played The effect of dual shock absorption.The presence of first groove and the second groove increases the first buffer layer and the noise of the second buffer layer passes Area is broadcast, noise is passed down to the second groove and the first groove by the second buffer layer, in the second groove and the first groove It rebounds and is gradually weakened back and forth, small part is transmitted to the first buffer layer again.On the one hand elastomeric element plays cushioning effect, another party Face avoids first surface and second surface from abutting against, and makes noise in the first groove and the second groove to the first adjacent groove It is transmitted with the second groove, extends the round of noise, achieved the effect that weaken noise.

Preferably, the pad further includes having to connect the side of first buffer layer and the side of the second buffer layer Side plate.

By using above-mentioned technical proposal, side plate connects the first buffer layer and the second buffer layer, prevent the first buffer layer and The separation of second buffer layer.

Preferably, being equipped with the multiple protrusions for the arrangement that is serrated in first groove and the second groove.

By using above-mentioned technical proposal, noise is transferred in the first groove and the second groove, is changed under raised role Become the direction of propagation, small part noise directly rebounds away, and remaining a large amount of noise continues in the first groove and the second groove It rebounds back and forth, achievees the effect that weaken noise.

Preferably, first groove and second groove are disposed as dovetail groove.

Only had by opening prevention small after noise transmission to the first groove and the second groove by using above-mentioned technical proposal Part can blaze abroad from opening, and remaining major part can reach good weakening and make an uproar in the first groove and the second groove The effect of sound.

Preferably, first buffer layer offers several first positioning holes far from the side plate side, described second Buffer layer offers the second location hole with the first positioning hole face, wears in the first positioning hole and second location hole There is positioning pin.

By using above-mentioned technical proposal, during the first buffer layer and the second buffer layer are extruded, it is equipped with positioning Pin, prevents the first buffer layer and the second buffer layer from misplacing, and guarantees that the first groove and the second groove are in the shape of face always State achievees the effect that good weakening noise.

Preferably, the elastomeric element includes damping spring and the guide post in the damping spring, it is described to lead It is less than the height of the damping spring to the height of column.

By using above-mentioned technical proposal, guide post prevents damping spring from toppling over, and plays the role of guiding.The height of guide post Degree is less than the height of the damping spring, it is contemplated that damping spring highly reduces when compressed, and the non-telescoping change of guide post Shape, such design is to ensure that damping spring can play the role of damping, buffering.

Preferably, offering the first hook groove and second hook respectively on first buffer layer and the second buffer layer side wall The clasp for connecting first buffer layer and the second buffer layer is embedded in slot, first hook groove and second hook groove.

By using above-mentioned technical proposal, because of the presence of elastomeric element, both first surface and second surface are not abutted, and are made an uproar Sound can also be propagated up to the first buffer layer and second to periphery and subtract in addition to that can carry out back propagation between the first recessed grain and the second groove It shakes other than layer, by being equipped with the first hook groove, the second hook groove and clasp, connection the first buffer layer of sealing and the second buffer layer, Guarantee that noise is only propagated in the first buffer layer and the second buffer layer, achievees the effect that good reduction noise.

Preferably, first hook groove is with second hook groove, L-shaped and symmetrical difference, the clasp two sides are divided It is not chimeric with second hook groove with first hook groove.

By using above-mentioned technical proposal, the first hook groove of L shape and the second hook groove and clasp cooperation make the first buffer layer and The connection of second buffer layer is even closer, and sealing effect is good.

In conclusion the utility model has the following beneficial effects:

1. passing through the design of the first groove and the second groove, noise rebounds back and forth in it, has reached the mesh for weakening noise 's.

2. the design of elastomeric element makes noise in addition to other than the first groove and the second groove carry out back propagation, moreover it is possible to Xiang Xiang The first adjacent groove and the transmitting of the second groove, extend round, achieve the effect that good weakening noise.

3. changing the direction of propagation of noise in the first groove and the second groove equipped with multiple protrusions, passing partial noise It will not directly rebound away, and be to continue in the first groove and the second groove when being handed in the first groove and the second groove, be reached To the good effect for weakening noise.

Detailed description of the invention

Fig. 1 is vibration-absorbing noise-reduction pad stereoscopic schematic diagram；

Fig. 2 is vibration-absorbing noise-reduction pad perspective view of the explosion；

Fig. 3 is vibration-absorbing noise-reduction pad cross-sectional view；

Fig. 4 is elastomeric element schematic diagram；

Fig. 5 is that vibration-absorbing noise-reduction pad is applied to extruder schematic diagram.

In figure, 10, pad；20, the first buffer layer；21, first surface；22, the first groove；30, the second buffer layer；31, Second surface；32, the second groove；40, elastomeric element；41, damping spring；42, guide post；50, side plate；60, first positioning hole； 61, second location hole；62, positioning pin；70, the first hook groove；71, the second hook groove；72, clasp；80, raised.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

As shown in Figure 1, a kind of vibration-absorbing noise-reduction pad on extruder, including pad 10, pad 10 includes first to subtract It shakes layer 20, the second buffer layer 30 positioned at the first buffer layer 20 above and connects the first buffer layer 20 and the second buffer layer 30 Side plate 50.Side plate 50 is located at the side of the first buffer layer 10 and the second buffer layer 30, and the first buffer layer 20, side plate 50 and second subtract Layer 30 is shaken to be integrally formed.

Referring to fig. 2, Fig. 3, the first buffer layer 20 and the second buffer layer 30 are rectangular parallelepiped structure.First buffer layer 20 is opposite The surface of second buffer layer 30 is first surface 21.First buffer layer 20 offers multiple that opening is located on first surface 21 One groove 22, the first groove 22 is along the rectangular transverse and longitudinal arrangement of 20 length and width of the first buffer layer.

Elastomeric element 40 is connected on first surface 21 between two adjacent first grooves 22.As shown in Figure 2,4, elastic portion Part 40 includes perpendicular to first surface 21 and the guide post 42 being threaded through in the first buffer layer 20 and being set in guide post 42 Damping spring 41.42 one end of guide post is embedded in the first buffer layer 20, and the other end does not abut the second buffer layer 30.Damping bullet 42 one end of spring is connected on the first buffer layer 20, and the other end is connected on the second buffer layer 30.

Referring to fig. 2, Fig. 3, the first groove 22 are set as dovetail groove, and the lesser side that is open is located on first surface 21.The Multiple raised 80 are equipped in one groove 22, protrusion 80 is serrated arranged evenly.

Second buffer layer 30 towards the surface of the first buffer layer 20 be second surface 31.Second buffer layer 30 offers opening Multiple second grooves 32 on second surface 32 and with 22 face of the first groove, 22 shape of the second groove 32 and the first groove It is consistent and symmetrical.

One end of the reversed side plate 50 of first buffer layer 20 offers at least one first positioning hole 60, and the second buffer layer 30 is opened Equipped with the second location hole 61 with 60 face of first positioning hole, first positioning hole 60 and second location hole 61 are by being threaded through first Positioning pin 62 in location hole 60 and second location hole 61 connects.

It is not provided on the outer wall of side plate 50 in the first buffer layer 20 and the second buffer layer 30, the first buffer layer 20 offers One hook groove 70, the first hook groove 70 are L-shaped；Second buffer layer 30 offers the second hook groove 71, the second hook groove 71 and the first hook groove 70 Shape is consistent and symmetrical.Clasp 72 passes through the first hook groove 70 and the second hook groove 71.

Clasp 72 is in C-shaped configuration, and side barb is embedded in the first groove 70, and other side barb is embedded in the second groove To limit clasp abjection first groove 70 or second groove 71 in 71.

When concrete application, as shown in Figure 2 and Figure 5,30 upper surface of the second buffer layer is connected to below extruder base, noise Across the second buffer layer 30, a part is propagated in the second groove 32 and the first groove 22, in raised 80 collision reactions；And because It is dovetail groove for the first groove 22 and the second groove 32, opening is smaller, and most of noise, which is blocked, rests on the first groove 22 Inside the second groove 32.Another part noise does not enter the first groove 22 and the second groove 32, but to 22 He of the first groove It propagates on second groove, 32 periphery；Until propagating to the peripheral collision of the first buffer layer 20 and the second buffer layer 30 to clasp 72, Round reverse back to again before, to damping and weaken the effect of noise.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, this field Technical staff can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but only It will be in the scope of the claims of the utility model all by the protection of Patent Law.

Claims (8)

1. a kind of vibration-absorbing noise-reduction pad on extruder, including pad (10), which is characterized in that the pad (10) includes the One buffer layer (20) and the second buffer layer (30) being arranged above first buffer layer (20), first buffer layer (20) It include the first groove (22) that first surface (21) and opening are located at the first surface (21), second buffer layer (30) include second surface (31) and opening towards the first surface (21) be located at the second surface (31) the Two grooves (32), first groove (22) and the second groove (32) face, the first surface (21), which is equipped with, to be located at The elastomeric element for avoiding the first surface (21) and the second surface (31) to abut between adjacent two first groove (22) (40).

2. a kind of vibration-absorbing noise-reduction pad on extruder according to claim 1, which is characterized in that the pad (10) It further include the side plate (50) for having the side of the side and the second buffer layer (30) that connect first buffer layer (20).

3. a kind of vibration-absorbing noise-reduction pad on extruder according to claim 1, which is characterized in that first groove (22) and in the second groove (32) multiple raised (80) of the arrangement that is serrated are equipped with.

4. a kind of vibration-absorbing noise-reduction pad on extruder according to claim 1, which is characterized in that first groove (22) and second groove (32) is disposed as dovetail groove.

5. a kind of vibration-absorbing noise-reduction pad on extruder according to claim 2, which is characterized in that first damping Layer (20) offers several first positioning holes (60) far from the side plate (50) side, offers on second buffer layer (30) With the second location hole (61) of the first positioning hole (60) face, in the first positioning hole (60) and second location hole (61) It is equipped with positioning pin (62).

6. a kind of vibration-absorbing noise-reduction pad on extruder according to claim 1, which is characterized in that the elastomeric element (40) guide post (42) for including damping spring (41) and being located in the damping spring (41), the height of the guide post (42) Less than the height of the damping spring (41).

7. a kind of vibration-absorbing noise-reduction pad on extruder according to claim 1, which is characterized in that first damping It is offered the first hook groove (70) on layer (20) side wall, offers the second hook groove (71), institute on the second buffer layer (30) side wall It states and is embedded with linking closely for connection the first buffer layer (20) and the second buffer layer (30) in the first hook groove (70) and the second hook groove (71) Part (72).

8. a kind of vibration-absorbing noise-reduction pad on extruder according to claim 7, which is characterized in that first hook groove (70) L-shaped and symmetrical with second hook groove (71), clasp (72) two sides respectively with first hook groove (70) chimeric with the second hook groove (71).