CN110624670A - Vertical shaft type crusher impact plate - Google Patents
Vertical shaft type crusher impact plate Download PDFInfo
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- CN110624670A CN110624670A CN201910864070.4A CN201910864070A CN110624670A CN 110624670 A CN110624670 A CN 110624670A CN 201910864070 A CN201910864070 A CN 201910864070A CN 110624670 A CN110624670 A CN 110624670A
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- Prior art keywords
- layer
- rigid support
- cast iron
- elastic
- support plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/0012—Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain)
- B02C19/0018—Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain) using a rotor accelerating the materials centrifugally against a circumferential breaking surface
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses a vertical shaft type crusher impact plate, which relates to the field of crushing equipment and mainly comprises a high-chromium cast iron layer, a rigid support plate and an elastic buffer layer, wherein the top of the impact plate is provided with the high-chromium cast iron layer, the lower part of the high-chromium cast iron layer is provided with the rigid support plate, the high-chromium cast iron layer and the rigid support plate are connected through a brazing process or an adhesive, the lower part of the rigid support plate is provided with the elastic buffer layer, and the elastic buffer layer can be made of an elastic high polymer material or a spring array; as an improvement on the structure of the invention, the bottom of the high-chromium cast iron layer is provided with a groove, the rigid support plate and the elastic polymer material layer are embedded into the groove for installation and fixation, and the bottom of the elastic polymer material layer is slightly raised and higher than the bottom plane of the high-chromium cast iron layer after installation. The invention has the beneficial effects that: through the design of the composite structure of the wear-resistant layer, the supporting layer and the buffer layer, the phenomena of local cracking and falling of high-chromium cast iron under strong impact can be effectively avoided, and the service life of the impact plate is prolonged.
Description
Technical Field
The invention relates to the field of crushing equipment, in particular to a reaction plate of a vertical shaft type crusher.
Background
The vertical shaft type impact crusher is one kind of common crushing apparatus, and has high speed rotating vane rotor to throw material out from the material throwing port and impact the material lining layer in the crushing cavity to produce crushing effect. The impeller rotor typically has a plurality of discharge ports and a plurality of reaction plates.
At present, the counterattack plate is usually made of high-chromium cast iron through casting technology. Because the impact plate material is high-chromium cast iron, the impact plate material collides with the material in high-speed rotation, and the high-chromium cast iron impacted by strong force is easy to generate local brittle fracture to generate the phenomenon of 'block falling'. Meanwhile, the abrasion speed of the impact plate is higher due to the strong scouring and abrasion of the materials. Therefore, a novel impact plate with simple structure and high overall strength is needed.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the impact plate of the vertical shaft type crusher, which has the advantages of safety, reliability and long service life and has various optional structures.
The purpose of the invention is achieved by the following technical scheme: the impact plate of the vertical shaft type crusher is arranged in an impeller rotor of the vertical shaft type crusher and mainly comprises a high-chromium cast iron layer, a rigid support plate and an elastic buffer layer, wherein the top of the impact plate is provided with the high-chromium cast iron layer, the lower part of the high-chromium cast iron layer is provided with the rigid support plate, the high-chromium cast iron layer and the rigid support plate are connected through a brazing process or an adhesive, and the lower part of the rigid support plate is provided with the elastic buffer layer; a group of bolt holes A are formed in the high-chromium cast iron layer at equal intervals, equivalent bolt holes B are formed in corresponding positions on the rigid supporting plate, bolts respectively penetrate through the bolt holes A and the bolt holes B, accordingly, the whole counterattack plate is fixed on the side plate of the impeller rotor, and the elastic buffer layer is in direct contact with the side wall of the impeller rotor for buffering.
Furthermore, the elastic buffer layer is made of an elastic polymer material layer, equivalent bolt holes C are formed in the positions, corresponding to the bolt holes B, of the elastic polymer material layer, and the elastic polymer material layer and the rigid support plate are bonded through an adhesive or directly poured on the rigid support plate to be cured and formed.
As an improvement on the structure of the invention, the bottom of the high-chromium cast iron layer is provided with a groove, the rigid support plate and the elastic polymer material layer are embedded into the groove for installation and fixation, and the bottom of the elastic polymer material layer is slightly raised and higher than the bottom plane of the high-chromium cast iron layer after installation for protecting the rigid support plate and the elastic polymer material layer.
As a further improvement of the invention, the elastic buffer layer adopts a spring array, the bottom of the rigid support plate is provided with a cylindrical protrusion array, and the spring array is positioned below the rigid support plate and corresponds to the cylindrical protrusion array one by one to realize fixation and positioning.
Further, the periphery of the spring array is surrounded and provided with an elastic high polymer material enclosing barrier for sealing, and the elastic high polymer material enclosing barrier is bonded with the rigid support plate through an adhesive.
Preferably, the elastic polymer material layer is made of wear-resistant polyurethane material or wear-resistant rubber.
Preferably, the elastic polymer material enclosure is made of wear-resistant polyurethane material or wear-resistant rubber.
The invention has the beneficial effects that:
1. through the design of the composite structure of the wear-resistant layer, the supporting layer and the buffer layer, the phenomena of local cracking and falling off of the high-chromium cast iron under strong impact can be effectively avoided;
2. the abrasion of materials is effectively reduced, and the service life of the impact plate is prolonged;
3. there are various configurations that can be selected depending on the actual application.
Drawings
Fig. 1 is a schematic view of the mounting structure of the present invention.
Fig. 2 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 3 is an exploded view of the structure of embodiment 1 of the present invention.
Fig. 4 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 5 is an exploded view of embodiment 2 of the present invention.
Fig. 6 is a schematic front structure diagram of embodiment 3 of the present invention.
Fig. 7 is a schematic back structure diagram of embodiment 3 of the present invention.
Fig. 8 is an exploded view of embodiment 3 of the present invention.
Description of reference numerals: the impeller rotor 1, the impact plate mounting position A2, the impact plate mounting position B3, the material throwing port A4, the material throwing port B5, the feed inlet 6, the high-chromium cast iron layer 7, the rigid support plate 8, the elastic buffer layer 9, the elastic polymer material layer 9a, the spring array 9B, the groove 10, the bottom plane 11, the bolt hole A12, the bolt hole B13, the bolt hole C14, the cylindrical protrusion array 15 and the elastic polymer material enclosure 16.
Detailed Description
The invention will be described in detail below with reference to the following drawings:
example 1: as shown in the attached drawings 2 and 3, the impact plate of the vertical shaft type crusher mainly comprises a high-chromium cast iron layer 7, a rigid support plate 8 and an elastic buffer layer 9, wherein the high-chromium cast iron layer 7 is arranged at the top of the impact plate, the rigid support plate 8 is arranged at the lower part of the high-chromium cast iron layer 7, the high-chromium cast iron layer 7 is connected with the rigid support plate 8 through a brazing process or an adhesive, and the elastic buffer layer 9 is arranged at the lower part of the rigid support plate 8; a group of bolt holes A12 are formed in the high-chromium cast iron layer 7 at equal intervals, equal-quantity bolt holes B13 are formed in corresponding positions on the rigid support plate 8, bolts respectively penetrate through the bolt holes A12 and the bolt holes B13, so that the whole counterattack plate is fixed on a side plate of the impeller rotor 1, and the elastic buffer layer 9 is in direct contact with the side wall of the impeller rotor 1 for buffering; elastic buffer layer 9 adopts elastic polymer material layer 9a, and the corresponding position department of bolt hole B13 has opened equivalent bolt hole C14 on elastic polymer material layer 9a, adopt the adhesive bonding or directly pour into a mould on rigid support plate 8 solidification between elastic polymer material layer 9a and rigid support plate 8.
Preferably, the elastic polymer material layer 9a is made of wear-resistant polyurethane material or wear-resistant rubber to increase the wear resistance of the exposed part of the material.
As shown in fig. 1, the impact plate is respectively installed on an impact plate installation position a2 and an impact plate installation position B3 on the impeller rotor 1, a material throwing port a4 and a material throwing port B5 are arranged beside the impact plate installation position, and the material enters the impeller rotor 1 rotating at a high speed through the material inlet 6 and is thrown out from the material throwing port at a high speed to impact a material lining layer of a crushing cavity of the vertical shaft type crusher, so that the crushing effect is generated. A plurality of material throwing ports and a plurality of impact plate mounting positions are arranged in the impeller rotor 1, and in the embodiment, only two impact plate mounting positions and two material throwing ports are illustrated in fig. 1.
Example 2: as shown in fig. 4 and 5, as an improvement to embodiment 1, a groove 10 is formed at the bottom of the high chromium cast iron layer 7, the rigid support plate 8 and the elastic polymer material layer 9a are embedded in the groove 10 for installation and fixation, and the bottom of the elastic polymer material layer 9a is slightly raised and higher than the bottom plane 11 of the high chromium cast iron layer 7 after installation, so as to protect the rigid support plate 8 and the elastic polymer material layer 9a and prevent the rigid support plate 8 and the elastic polymer material layer 9a from being worn by materials.
Example 3: as shown in fig. 6 to 8, as an improvement to embodiment 1, the elastic buffer layer 9 employs a spring array 9b, a cylindrical protrusion array 15 is disposed at the bottom of the rigid support plate 8, and the spring array 9b is located below the rigid support plate 8 and is in one-to-one correspondence with the cylindrical protrusion array 15 to achieve fixing and positioning; the periphery of the spring array 9b is surrounded and provided with an elastic high polymer material enclosing barrier 16 for sealing, and the elastic high polymer material enclosing barrier 16 is bonded with the rigid support plate 8 through an adhesive, so that the sealing performance is further ensured.
Preferably, the elastic polymer material enclosure 16 is made of wear-resistant polyurethane material or wear-resistant rubber.
The working process of the invention is as follows: in the normal working process of the vertical shaft type impact crusher, when a large material impacts the high-chromium cast iron layer, the rigid support plate plays a rigid support role at the back of the high-chromium cast iron layer, so that the generation and expansion of local cracks caused by the local tensile stress generated by the high-chromium cast iron layer can be avoided, and the fracture failure of the high-chromium cast iron layer is prevented. Due to the buffering effect of the elastic buffer layer, the overall stress time of the impact block can be prolonged, the local stress level of the high-chromium cast iron layer caused by impact is reduced, on one hand, the risk of 'block falling' caused by local fracture is reduced, and on the other hand, the contact force of the friction surface is reduced, so that the abrasion of materials is reduced.
It should be understood that equivalent substitutions and changes to the technical solution and the inventive concept of the present invention should be made by those skilled in the art to the protection scope of the appended claims.
Claims (7)
1. A vertical shaft crusher reaction plate is installed in an impeller rotor (1) of a vertical shaft crusher, and is characterized in that: the impact plate mainly comprises a high-chromium cast iron layer (7), a rigid support plate (8) and an elastic buffer layer (9), wherein the high-chromium cast iron layer (7) is arranged at the top of the impact plate, the rigid support plate (8) is arranged at the lower part of the high-chromium cast iron layer (7), the high-chromium cast iron layer (7) and the rigid support plate (8) are connected through a brazing process or an adhesive, and the elastic buffer layer (9) is arranged at the lower part of the rigid support plate (8); a group of bolt holes A (12) are formed in the high-chromium cast iron layer (7) at equal intervals, equal-quantity bolt holes B (13) are formed in corresponding positions on the rigid supporting plate (8), bolts penetrate through the bolt holes A (12) and the bolt holes B (13) respectively, accordingly, the whole counterattack plate is fixed on a side plate of the impeller rotor (1), and the elastic buffer layer (9) is in direct contact with the side wall of the impeller rotor (1) and is used for buffering.
2. The vertical shaft crusher reaction plate of claim 1, wherein: the elastic buffer layer (9) is made of an elastic polymer material layer (9a), equivalent bolt holes C (14) are formed in the positions, corresponding to the bolt holes B (13), of the elastic polymer material layer (9a), and the elastic polymer material layer (9a) and the rigid support plate (8) are bonded through an adhesive or are directly poured on the rigid support plate (8) to be cured and formed.
3. The vertical shaft crusher reaction plate of claim 2, wherein: the bottom of the high-chromium cast iron layer (7) is provided with a groove (10), the rigid support plate (8) and the elastic polymer material layer (9a) are embedded into the groove (10) and fixedly installed, and the bottom of the elastic polymer material layer (9a) is slightly raised and higher than the bottom plane (11) of the high-chromium cast iron layer (7) after installation for protecting the rigid support plate (8) and the elastic polymer material layer (9 a).
4. The vertical shaft crusher reaction plate of claim 1, wherein: elastic buffer layer (9) adopt spring array (9b), set up protruding array of cylinder (15) in rigid support board (8) bottom, spring array (9b) are located rigid support board (8) below and realize fixing and location with protruding array of cylinder (15) one-to-one.
5. The vertical shaft crusher reaction plate of claim 4, wherein: the periphery of the spring array (9b) is surrounded and provided with an elastic high polymer material enclosing barrier (16) for sealing, and the elastic high polymer material enclosing barrier (16) is bonded with the rigid support plate (8) through an adhesive.
6. The vertical shaft crusher reaction plate of claim 2 or 3, wherein: the elastic high polymer material layer (9a) is made of wear-resistant polyurethane material or wear-resistant rubber.
7. The vertical shaft crusher reaction plate of claim 5, wherein: the elastic high polymer material enclosure (16) is made of wear-resistant polyurethane material or wear-resistant rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910864070.4A CN110624670A (en) | 2019-09-12 | 2019-09-12 | Vertical shaft type crusher impact plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910864070.4A CN110624670A (en) | 2019-09-12 | 2019-09-12 | Vertical shaft type crusher impact plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110624670A true CN110624670A (en) | 2019-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910864070.4A Pending CN110624670A (en) | 2019-09-12 | 2019-09-12 | Vertical shaft type crusher impact plate |
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| CN (1) | CN110624670A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101279522A (en) * | 2008-04-25 | 2008-10-08 | 西安交通大学 | Shock resistant compound material and preparation thereof |
| CN204583439U (en) * | 2014-12-27 | 2015-08-26 | 贵州成智重工科技有限公司 | The cassette deflector of vertical shaft crusher |
| CN106269076A (en) * | 2016-08-30 | 2017-01-04 | 浙江美安普矿山机械股份有限公司 | Disintegrating apparatus rotor |
| CN106739201A (en) * | 2016-11-29 | 2017-05-31 | 张家港市鑫华易金属材料有限公司 | A kind of damping, buffering metal making sheet |
| CN206624264U (en) * | 2017-04-11 | 2017-11-10 | 北京瑞尔非金属材料有限公司 | A kind of wear resistant and impact resistant ceramic composite lining board |
| CN108943899A (en) * | 2018-08-22 | 2018-12-07 | 江苏高越高新科技有限公司 | A kind of alumina composite ceramic liner plate for gold metallurgy equipment |
| CN208311926U (en) * | 2018-05-25 | 2019-01-01 | 江苏富强特钢有限公司 | A kind of impact-resistant abrasion-proof lining board |
-
2019
- 2019-09-12 CN CN201910864070.4A patent/CN110624670A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101279522A (en) * | 2008-04-25 | 2008-10-08 | 西安交通大学 | Shock resistant compound material and preparation thereof |
| CN204583439U (en) * | 2014-12-27 | 2015-08-26 | 贵州成智重工科技有限公司 | The cassette deflector of vertical shaft crusher |
| CN106269076A (en) * | 2016-08-30 | 2017-01-04 | 浙江美安普矿山机械股份有限公司 | Disintegrating apparatus rotor |
| CN106739201A (en) * | 2016-11-29 | 2017-05-31 | 张家港市鑫华易金属材料有限公司 | A kind of damping, buffering metal making sheet |
| CN206624264U (en) * | 2017-04-11 | 2017-11-10 | 北京瑞尔非金属材料有限公司 | A kind of wear resistant and impact resistant ceramic composite lining board |
| CN208311926U (en) * | 2018-05-25 | 2019-01-01 | 江苏富强特钢有限公司 | A kind of impact-resistant abrasion-proof lining board |
| CN108943899A (en) * | 2018-08-22 | 2018-12-07 | 江苏高越高新科技有限公司 | A kind of alumina composite ceramic liner plate for gold metallurgy equipment |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191231 |
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| RJ01 | Rejection of invention patent application after publication |