Grinding and vibrating type hammer head for crusher

Abstract

The utility model relates to a grinding vibration type hammerhead for a crusher, which belongs to the technical field of ore crushing and comprises a grinding vibration type hammerhead body, and a first noise reduction structure used for reducing noise when the grinding vibration type hammerhead body operates is arranged on the outer wall of the lower side of the grinding vibration type hammerhead body. A second noise reduction structure used for reducing noise generated by vibration when the grinding vibration type hammer head body operates is arranged in the grinding vibration type hammer head body. The first noise reduction structure comprises an outer noise reduction layer fixedly bonded to the outer wall of the lower side of the grinding vibration type hammer head body and a damping layer inlaid in the surface of the lower side of the grinding vibration type hammer head body. According to the grinding vibration type hammer head for the crusher, the outer noise reduction layer on the outer side of the grinding vibration type hammer head body can absorb sound wave energy and reduce reflection and echo, and the damping layer, the inner wall noise reduction layer and the sound insulation layer in the grinding vibration type hammer head body can absorb sound waves and reduce propagation of the sound waves, so that noise and vibration are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of ore crushing, in particular to a rolling vibration hammer head for a crusher. Background Art

[0002] Ore crushers are mainly used to crush stones produced during mining. They often use methods such as extrusion, splitting, bending, impact, and rolling to break large rocks into fragments. Commonly used crushers include jaw, cone, hammer and roller crushers, among which hammer crushers are relatively widely used.

[0003] After searching, the prior art has announcement number CN217341741 U which discloses a grinding vibration hammer for an ore crusher, comprising a hammer body, a fixing hole being provided at the upper end of the front side of the hammer body, the hammer body comprising a base layer, a first wear-resistant layer being fixedly connected to the top of the base layer, the first wear-resistant layer comprising a high-chromium cast iron layer and a high-manganese steel layer, a second wear-resistant layer being fixedly connected to the bottom of the base layer, the second wear-resistant layer comprising a low-carbon alloy steel layer and a forged steel layer, the utility model utilizes the first wear-resistant layer being fixedly connected to the top of the base layer, the high-chromium cast iron layer and the high-manganese steel layer included in the first wear-resistant layer both have the advantage of wear resistance, a second wear-resistant layer is fixedly connected to the bottom of the base layer, the low-carbon alloy steel layer and the forged steel layer included in the second wear-resistant layer both have the advantage of wear resistance, thereby achieving the purpose of wear resistance.

[0004] However, the grinding vibration hammer head of the utility model generates relatively large noise when working and lacks a noise reduction structure. The generated noise not only affects the hearing health of the operator, but may also cause noise pollution to the surrounding environment. Therefore, a grinding vibration hammer head for a crusher is proposed to solve the above-mentioned problems. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a grinding vibration hammer head for a crusher, which has the advantages of good noise reduction effect, etc., and solves the problem that the grinding vibration hammer head generates large noise when working and lacks a noise reduction structure. The noise produced over time not only affects the hearing health of the operator, but may also cause noise pollution to the surrounding environment.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a grinding vibration hammer for a crusher, comprising a grinding vibration hammer body, wherein the outer wall of the lower side of the grinding vibration hammer body is provided with a first noise reduction structure for reducing noise when the grinding vibration hammer body is running, and the inside of the grinding vibration hammer body is provided with a second noise reduction structure for reducing vibration noise when the grinding vibration hammer body is running;

[0007] The first noise reduction structure includes an outer noise reduction layer fixedly bonded to the lower outer wall of the grinding and vibration hammer body and a damping layer embedded in the lower surface of the grinding and vibration hammer body;

[0008] The second noise reduction structure includes an inner wall noise reduction layer fixedly bonded to the inner wall surface of the grinding vibration hammer body and three sound insulation layers fixedly connected to the inner wall surface of the inner wall noise reduction layer.

[0009] Furthermore, a mounting hole is provided in the middle of the upper side of the grinding and vibration type hammer body, and a label positioning shell is fixedly connected to the front end surface of the grinding and vibration type hammer body.

[0010] Furthermore, a groove for inserting a label is provided on the right side of the label positioning shell, and a positioning groove matching the damping layer is provided on the lower side of the vibration-grinding hammer body.

[0011] Furthermore, a groove is provided on the lower side of the grinding and vibration type hammer body, and a cavity is provided inside the lower side of the grinding and vibration type hammer body.

[0012] Furthermore, the three sound insulation layers are arranged vertically and equidistantly, and the outer side of the inner wall noise reduction layer and the inner wall of the inner wall noise reduction layer are bonded and fixed to each other by epoxy glue.

[0013] Furthermore, the rolling vibration hammer body and the outer noise reduction layer are also bonded and fixed to each other using epoxy glue.

[0014] Furthermore, the inner wall surface of the outer noise reduction layer is bonded to a plurality of shock-absorbing layers, and the plurality of shock-absorbing layers are arranged at equal distances.

[0015] Furthermore, the side of the shock-absorbing layer away from the outer noise reduction layer is fixedly connected to the lower outer wall of the grinding vibration hammer head body, and the shock-absorbing layer is a rubber shock-absorbing pad.

[0016] Compared with the prior art, the utility model provides a grinding vibration hammer for a crusher, which has the following beneficial effects:

[0017] 1. The crusher uses a rolling vibration hammer head. The external noise reduction layer on the outside of the rolling vibration hammer head body can absorb the sound wave energy and reduce reflection and echo. The inside of the rolling vibration hammer head body uses a damping layer, an inner wall noise reduction layer and a sound insulation layer to absorb sound waves and reduce their propagation, thereby reducing noise and vibration.

[0018] 2. The crusher uses a rolling vibration hammer, which can reduce the transmission of vibration energy through the shock-absorbing layer between the outer noise reduction layer and the rolling vibration hammer body, reduce the noise generated during the operation of the rolling vibration hammer body, improve the noise reduction purpose, and solve the problem that the rolling vibration hammer will generate large noise during work and lack a noise reduction structure. The noise generated over time not only affects the hearing health of the operator, but may also cause noise pollution to the surrounding environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a cross-sectional view of the structure of the utility model;

[0021] Figure 3 This is a bottom view of the structure of the utility model;

[0022] Figure 4 It is a three-dimensional diagram of the structure of the utility model.

[0023] In the figure: 1 vibration-grinding hammer body, 2 mounting hole, 3 label positioning shell, 4 outer noise reduction layer, 5 inner wall noise reduction layer, 6 cavity, 7 sound insulation layer, 8 positioning groove, 9 damping layer, 10 shock-absorbing layer, 11 groove. DETAILED DESCRIPTION

[0024] 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.

[0025] Embodiment 1:

[0026] See also Figure 1-4 The grinding vibration hammer for crusher in this embodiment includes a grinding vibration hammer body 1, the outer wall of the lower side of the grinding vibration hammer body 1 is provided with a first noise reduction structure for reducing noise when the grinding vibration hammer body 1 is in operation, and the inside of the grinding vibration hammer body 1 is provided with a second noise reduction structure for reducing vibration noise generated when the grinding vibration hammer body 1 is in operation. The first noise reduction structure includes an outer noise reduction layer 4 fixedly bonded to the outer wall of the lower side of the grinding vibration hammer body 1 and a damping layer 9 embedded in the lower side surface of the grinding vibration hammer body 1. The second noise reduction structure includes an inner wall noise reduction layer 5 fixedly bonded to the inner wall surface of the grinding vibration hammer body 1 and three sound insulation layers 7 fixedly connected to the inner wall surface of the inner wall noise reduction layer 5.

[0027] Among them, a mounting hole 2 is opened in the middle of the upper side of the grinding and vibration type hammer head body 1, a label positioning shell 3 is fixedly connected to the front end face of the grinding and vibration type hammer head body 1, a groove body for inserting the label is opened on the right side of the label positioning shell 3, a positioning groove 8 matching the damping layer 9 is opened on the lower side of the grinding and vibration type hammer head body 1, a groove 11 is opened on the lower side of the grinding and vibration type hammer head body 1, a cavity 6 is opened inside the lower side of the grinding and vibration type hammer head body 1, three sound insulation layers 7 are arranged vertically equidistantly, the outer side of the inner wall noise reduction layer 5 and the inner wall of the inner wall noise reduction layer 5 are bonded and fixed to each other by epoxy glue, the grinding and vibration type hammer head body 1 and the outer noise reduction layer 4 are also bonded and fixed to each other by epoxy glue, the outer noise reduction layer 4 is a sound-absorbing board, the sound insulation layer 7 is sound-absorbing cotton, the inner wall noise reduction layer 5 is a damping coating made of polymer resin with an appropriate amount of filler and auxiliary materials, the damping layer 9 is a viscoelastic damping material, and the specific material can be epoxy resin, so as to reduce noise and vibration.

[0028] Embodiment 2:

[0029] See also Figure 3 On the basis of the first embodiment, it includes a plurality of shock-absorbing layers 10 bonded to the inner wall of the outer noise reduction layer 4, the plurality of shock-absorbing layers 10 are arranged equidistantly, the side of the shock-absorbing layer 10 away from the outer noise reduction layer 4 is fixedly connected to the lower outer wall of the rolling vibration type hammer head body 1, and the shock-absorbing layer 10 is a rubber shock-absorbing pad.

[0030] By adopting the above technical solution, it is achieved that when the grinding vibration type hammer head body 1 is working, the outer side of the outer noise reduction layer 4 can absorb the sound wave energy, reduce reflection and echo and transmit it to the shock absorbing layer 10. The shock absorbing layer 10 reduces the transmission of vibration and noise, thereby improving the noise reduction performance of the outer side of the grinding vibration type hammer head body 1.

[0031] The working principle of the above embodiment is:

[0032] The grinding vibration hammer body 1 is placed at a designated position, and the mounting hole 2 corresponds to the crusher mounting hole, and the bolts are passed through the mounting hole 2 and the hole on the vibration frame, and tightened with nuts. The noise generated during the operation of the grinding vibration hammer body 1 is absorbed by the outer noise reduction layer 4, and the sound wave energy transmitted by the sound is reduced, and then the shock-absorbing layer 10 is cooperated to reduce the noise and vibration transmission and improve the noise reduction on the outside. The lower side of the grinding vibration hammer body 1 is embedded in the positioning groove 8 opened on the lower side of the grinding vibration hammer body 1 through the damping layer 9 to absorb and transform the vibration energy, thereby reducing noise and vibration, and then the inner wall noise reduction layer 5 and the sound insulation layer 7 inside the grinding vibration hammer body 1 cooperate with the external noise reduction layer 4 to absorb the sound waves transmitted to the inside and reduce its propagation, thereby achieving the overall noise reduction.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. The vibrating hammer head for crusher is characterized by: The invention comprises a grinding vibration hammer body (1), wherein the outer wall of the lower side of the grinding vibration hammer body (1) is provided with a first noise reduction structure for reducing noise when the grinding vibration hammer body (1) is in operation, and the inside of the grinding vibration hammer body (1) is provided with a second noise reduction structure for reducing vibration noise when the grinding vibration hammer body (1) is in operation; The first noise reduction structure comprises an outer noise reduction layer (4) fixedly bonded to the lower outer wall of the rolling vibration hammer body (1) and a damping layer (9) embedded in the lower surface of the rolling vibration hammer body (1); The second noise reduction structure comprises an inner wall noise reduction layer (5) fixedly bonded to the inner wall surface of the grinding vibration hammer body (1) and three sound insulation layers (7) fixedly connected to the inner wall surface of the inner wall noise reduction layer (5).

2. The grinding vibration hammer for a crusher according to claim 1, characterized in that: A mounting hole (2) is provided in the middle of the upper side of the grinding and vibration type hammer body (1), and a label positioning shell (3) is fixedly connected to the front end surface of the grinding and vibration type hammer body (1).

3. The grinding vibration hammer head for a crusher according to claim 2, characterized in that: The right side of the label positioning shell (3) is provided with a slot for inserting a label, and the lower side of the grinding vibration hammer body (1) is provided with a positioning slot (8) matching the damping layer (9).

4. The grinding vibration hammer for a crusher according to claim 1, characterized in that: A groove (11) is provided on the lower side of the rolling-vibration hammer body (1), and a cavity (6) is provided inside the lower side of the rolling-vibration hammer body (1).

5. The grinding vibration hammer for a crusher according to claim 1, characterized in that: The three sound insulation layers (7) are arranged vertically at equal intervals, and the outer side of the inner wall noise reduction layer (5) and the inner wall of the inner wall noise reduction layer (5) are bonded and fixed to each other by epoxy glue.

6. The grinding vibration hammer for a crusher according to claim 1, characterized in that: The rolling vibration hammer body (1) and the outer noise reduction layer (4) are also bonded and fixed to each other using epoxy glue.

7. The grinding vibration hammer for a crusher according to claim 1, characterized in that: The inner wall surface of the outer noise reduction layer (4) is bonded to a plurality of shock-absorbing layers (10), and the plurality of shock-absorbing layers (10) are arranged at equal distances.

8. The grinding vibration hammer for a crusher according to claim 7, characterized in that: The side of the shock-absorbing layer (10) away from the outer noise reduction layer (4) is fixedly connected to the lower outer wall of the grinding vibration hammer body (1), and the shock-absorbing layer (10) is a rubber shock-absorbing pad.

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