Noise reduction structure of jaw crusher

Abstract

The noise reduction structure comprises a machine body, and the outer wall of the machine body is fixedly connected with a supporting plate; a plurality of inserting grooves are formed in the top end of the supporting plate at equal intervals, sound insulation plates are connected into the inserting grooves in a sliding and penetrating mode, a fixing mechanism is arranged in the supporting plate, and the fixing mechanism comprises first extrusion plates and second extrusion plates; one end of each second extrusion plate is provided with an inclined surface; the elastic assembly is connected with the first extrusion plates and the second extrusion plates; and the clamping assembly is connected with the multiple first extrusion plates and the multiple second extrusion plates. By means of the arrangement mode that the first extrusion plate, the second extrusion plate, the elastic assembly, the clamping assembly and the positioning pin are matched, the clamping assembly can be extruded synchronously, the clamping assembly can conduct synchronous insertion connection on a plurality of sound insulation plates inserted into the insertion grooves, and the sound insulation plates are easy and convenient to assemble and disassemble.

Description

Technical Field

[0001] The utility model relates to the technical field related to crushers, and in particular to a noise reduction structure of a jaw crusher. Background Art

[0002] After mining, a lot of ores will be obtained. However, these ores are usually large in size and need to be crushed. The crushing process is divided into coarse crushing, medium crushing and fine crushing. Generally, jaw crushers are used to crush these ores.

[0003] When ore is put into the jaw crusher for crushing, it will generate loud noise, which will cause great noise pollution to the surrounding environment. The jaw crusher generally reduces the noise generated by setting a noise reduction structure. However, the noise reduction mechanism of the jaw crusher is generally set inside the machine body, which is not convenient to disassemble and replace during maintenance, thus bringing inconvenience to the user. Utility Model Content

[0004] The purpose of the utility model is to provide a noise reduction structure for a jaw crusher to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: A noise reduction structure of a jaw crusher, comprising a body, an outer wall of which is fixedly connected with a support plate;

[0006] The top of the support plate is provided with a plurality of slots at equal intervals, and a sound insulation board is slidably inserted and connected inside the slots. A fixing mechanism is provided inside the support plate, and the fixing mechanism includes:

[0007] A first extrusion plate, wherein a plurality of first extrusion grooves are equidistantly provided inside the support plate, the first extrusion plate is slidably interlaced with the inner cavity of the first extrusion groove, and one of the first extrusion plates is provided with an inclined surface;

[0008] A second extrusion plate, wherein a plurality of second extrusion grooves communicating with the first extrusion grooves are equidistantly provided inside the support plate, the second extrusion plate is slidably interlaced with the inner cavity of the second extrusion groove, one end of each of the plurality of second extrusion plates is provided with an inclined surface, and the plurality of second extrusion plates cooperate with the plurality of first extrusion plates;

[0009] an elastic component connected to the plurality of first extrusion plates and the second extrusion plates;

[0010] A clamping assembly is connected to a plurality of first extrusion plates and a second extrusion plate.

[0011] Preferably, the elastic component comprises:

[0012] Slide blocks, wherein a plurality of the slide blocks are fixedly connected to the first extrusion plate and the second extrusion plate respectively, the inner walls of the first extrusion groove and the second extrusion groove are both provided with slide grooves, and the slide blocks are slidably interlaced with the inner cavities of the slide grooves;

[0013] A first compression spring is located inside the sliding slot.

[0014] Preferably, one end of the first compression spring is fixedly connected to the slider, and the other end of the first compression spring is fixedly connected to the inner wall of the slide groove.

[0015] Preferably, the clamping assembly comprises:

[0016] A clamping rod, wherein the inner walls of the first extrusion groove and the second extrusion groove are both equidistantly provided with a plurality of clamping grooves, one end of the clamping rod is slidably inserted and connected with the inner cavity of the clamping groove, the outer wall of the sound insulation board is equidistantly provided with a plurality of clamping holes, the other end of the clamping rod is slidably inserted and connected with the inner cavity of the clamping hole, and one end of the clamping rod is provided with an inclined surface;

[0017] Sliding blocks, both sides of the inner wall of the clamping groove are provided with sliding grooves, a plurality of the sliding blocks are respectively fixedly connected to the two sides of the clamping rod, and the sliding blocks are slidably interlaced with the inner cavity of the sliding groove;

[0018] A second compression spring is located inside the sliding slot.

[0019] Preferably, one end of the second compression spring is fixedly connected to the sliding block, and the other end of the second compression spring is fixedly connected to the inner wall of the sliding groove.

[0020] Preferably, a positioning pin is slidably inserted into the outer wall of the support plate, wherein a positioning hole is opened on the outer wall of one of the first extrusion plates, and the positioning pin is threadably inserted into the inner cavity of the positioning hole.

[0021] Technical effects and advantages of the utility model:

[0022] The utility model utilizes a setting mode in which a first extrusion plate, a second extrusion plate, an elastic component, a clamping component and a positioning pin are matched with each other. By pushing one of the first extrusion plates, the first extrusion plate will squeeze the second extrusion plate with an inclined surface, and the second extrusion plate pushes another first extrusion plate, and so on. Therefore, when one of the first extrusion plates is pushed, the others can all be displaced for a certain period of time, so that the clamping component can be synchronously squeezed, so that the clamping component can synchronously plug in multiple sound insulation boards inserted into the slots, making the installation and removal of the sound insulation boards simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0024] Figure 2 This is a schematic diagram of the internal structure of the support plate of the utility model when viewed from above.

[0025] Figure 3 For this utility model Figure 2 Enlarged structural diagram at A in the middle.

[0026] Figure 4 For this utility model Figure 2 Enlarged structural diagram at B in the middle.

[0027] Figure 5 For this utility model Figure 2 Enlarged structural diagram at point C in the middle.

[0028] In the figure: 1. body; 2. support plate; 3. sound insulation board; 4. fixing mechanism; 41. first extrusion plate; 42. second extrusion plate; 43. elastic component; 431. slider; 432. first compression spring; 44. snap-fit ​​component; 441. snap-fit ​​rod; 442. sliding block; 443. second compression spring; 5. positioning pin. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] The utility model provides Figure 1-5 The noise reduction structure of a jaw crusher shown in the figure comprises a body 1, and a support plate 2 is fixedly connected to the outer wall of the body 1;

[0031] Furthermore, a plurality of slots are equidistantly provided at the top of the support plate 2, and a sound insulation board 3 is slidably and interspersedly connected inside the slots. A plurality of sound-absorbing holes are equidistantly provided on the side of the sound insulation board 3 that is attached to the inner wall of the body 1, and a plurality of layers of sound insulation cotton are provided inside the sound insulation board 3 to achieve a better noise reduction effect. A fixing mechanism 4 is provided inside the support plate 2, and the fixing mechanism 4 includes: a first extrusion plate 41, a second extrusion plate 42, an elastic component 43 and a clamping component 44. A plurality of first extrusion grooves are equidistantly provided inside the support plate 2, and the first extrusion plate 41 is slidably and interspersedly connected with the inner cavity of the first extrusion groove, and one of the first extrusion plates 41 is provided with an inclined surface; a plurality of second extrusion grooves that are communicated with the first extrusion groove are equidistantly provided inside the support plate 2, and the second extrusion plate 42 is slidably and interspersedly connected with the inner cavity of the second extrusion groove, and a plurality of One end of the second extrusion plate 42 is provided with an inclined surface, and the plurality of second extrusion plates 42 cooperate with the plurality of first extrusion plates 41; the elastic component 43 is connected to the plurality of first extrusion plates 41 and the second extrusion plates 42; the clamping component 44 is connected to the plurality of first extrusion plates 41 and the second extrusion plates 42, and by pushing the first extrusion plate 41 without an inclined surface, the second extrusion plate 42 with an inclined surface can be squeezed, and the second extrusion plate 42 is displaced for a certain distance, and after the displacement, the second extrusion plate 42 will be squeezed to another first extrusion plate 41 with an inclined surface, so that the first extrusion plate 41 is also displaced for a certain distance and squeezed to the last second extrusion plate 42, so that when one of the first extrusion plates 41 is pushed, the rest can be displaced for a certain distance.

[0032] Furthermore, the outer wall of the support plate 2 is slidably connected with a positioning pin 5, and a positioning hole is opened on the outer wall of one of the first extrusion plates 41. The positioning pin 5 is connected with the inner cavity thread of the positioning hole. After the positioning pin 5 positions one of the extrusion plates, the remaining ones can also be positioned, realizing one-step locking for easy use.

[0033] Specifically, the elastic component 43 includes: a slider 431 and a first compression spring 432. The multiple sliders 431 are fixedly connected to the first extrusion plate 41 and the second extrusion plate 42 respectively. The inner walls of the first extrusion groove and the second extrusion groove are both provided with a slide groove. The slider 431 is slidably connected with the inner cavity of the slide groove; the first compression spring 432 is located inside the slide groove. One end of the first compression spring 432 is fixedly connected to the slider 431, and the other end of the first compression spring 432 is fixedly connected to the inner wall of the slide groove. The first compression spring 432 is always in a compressed state, so that the slider 431 can provide a stable elastic force to the first extrusion plate 41 and the second extrusion plate 42, so that after the positioning pin 5 is pulled out, it can reset itself, thereby releasing the insertion of the sound insulation board 3 and realizing one-step disassembly.

[0034] Specifically, the clamping assembly 44 includes: a clamping rod 441, a sliding block 442 and a second compression spring 443. The inner walls of the first extrusion groove and the second extrusion groove are evenly spaced with a plurality of clamping grooves. One end of the clamping rod 441 is slidably inserted and connected with the inner cavity of the clamping groove. The first extrusion plate 41 and the second extrusion plate 42 are evenly spaced with a plurality of receiving grooves. When not installed, the clamping rod 441 can be inserted into the receiving groove. The outer wall of the sound insulation board 3 is evenly spaced with a plurality of clamping holes. The other end of the clamping rod 441 is slidably inserted and connected with the inner cavity of the clamping hole. The first extrusion plate 41 and the second extrusion plate 42 can squeeze the clamping rod 441 through the inner wall of the receiving groove when the first extrusion plate 41 and the second extrusion plate 42 are moved, so that the clamping rod 441 extends out of the clamping groove and intersects with the clamping hole of the sound insulation plate 3, thereby realizing one-step installation; sliding grooves are provided on both sides of the inner wall of the clamping groove, and a plurality of sliding blocks 442 are fixedly connected to both sides of the clamping rod 441, respectively, and the sliding blocks 442 are slidably interspersed with the inner cavity of the sliding groove; the second compression spring 443 is located inside the sliding groove. One end of the second compression spring 443 is fixedly connected to the sliding block 442, and the other end of the second compression spring 443 is fixedly connected to the inner wall of the sliding groove. The second compression spring 443 is always in a compressed state, so that a stable elastic force can be provided to the clamping rod 441 through the sliding block 442, so that the clamping rod 441 is always received inside the receiving groove without the influence of external force.

[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A noise reduction structure for a jaw crusher, comprising: A machine body (1), wherein the outer wall of the machine body (1) is fixedly connected to a support plate (2); The invention is characterized in that: a plurality of slots are equidistantly provided at the top of the support plate (2), a sound insulation plate (3) is slidably inserted and connected inside the slot, a fixing mechanism (4) is provided inside the support plate (2), and the fixing mechanism (4) comprises: A first extrusion plate (41), wherein a plurality of first extrusion grooves are equidistantly provided inside the support plate (2), the first extrusion plate (41) is slidably interlaced with the inner cavity of the first extrusion groove, and one of the first extrusion plates (41) is provided with an inclined surface; A second extrusion plate (42), wherein a plurality of second extrusion grooves communicating with the first extrusion grooves are equidistantly provided inside the support plate (2), the second extrusion plate (42) is slidably interlaced with the inner cavity of the second extrusion groove, one end of each of the plurality of second extrusion plates (42) is provided with an inclined surface, and the plurality of second extrusion plates (42) cooperate with the plurality of first extrusion plates (41); An elastic component (43), wherein the elastic component (43) is connected to a plurality of first extrusion plates (41) and a second extrusion plate (42); A clamping assembly (44) is connected to a plurality of first extrusion plates (41) and a second extrusion plate (42).

2. The noise reduction structure of a jaw crusher according to claim 1, characterized in that: The elastic component (43) comprises: Slide blocks (431), wherein a plurality of the slide blocks (431) are respectively fixedly connected to the first extrusion plate (41) and the second extrusion plate (42), the inner walls of the first extrusion groove and the second extrusion groove are both provided with slide grooves, and the slide blocks (431) are slidably interlaced with the inner cavities of the slide grooves; A first compression spring (432), wherein the first compression spring (432) is located inside the slide groove.

3. The noise reduction structure of a jaw crusher according to claim 2, characterized in that: One end of the first compression spring (432) is fixedly connected to the sliding block (431), and the other end of the first compression spring (432) is fixedly connected to the inner wall of the sliding groove.

4. The noise reduction structure of a jaw crusher according to claim 1, characterized in that: The clamping assembly (44) comprises: A clamping rod (441), the inner walls of the first extrusion groove and the second extrusion groove are both provided with a plurality of clamping grooves at equal intervals, one end of the clamping rod (441) is slidably inserted and connected with the inner cavity of the clamping groove, the outer wall of the sound insulation board (3) is provided with a plurality of clamping holes at equal intervals, the other end of the clamping rod (441) is slidably inserted and connected with the inner cavity of the clamping hole, and one end of the clamping rod (441) is provided with an inclined surface; Sliding blocks (442), both sides of the inner wall of the clamping groove are provided with sliding grooves, a plurality of the sliding blocks (442) are respectively fixedly connected to the two sides of the clamping rod (441), and the sliding blocks (442) are slidably interlaced with the inner cavity of the sliding groove; A second compression spring (443), wherein the second compression spring (443) is located inside the sliding groove.

5. The noise reduction structure of a jaw crusher according to claim 4, characterized in that: One end of the second compression spring (443) is fixedly connected to the sliding block (442), and the other end of the second compression spring (443) is fixedly connected to the inner wall of the sliding groove.

6. The noise reduction structure of a jaw crusher according to claim 1, characterized in that: The outer wall of the support plate (2) is slidably connected with a positioning pin (5), and a positioning hole is opened on the outer wall of one of the first extrusion plates (41), and the positioning pin (5) is threadably connected with the inner cavity of the positioning hole.

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