CN204620092U - Impact crusher counterpunch board - Google Patents
Impact crusher counterpunch board Download PDFInfo
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- CN204620092U CN204620092U CN201520198628.7U CN201520198628U CN204620092U CN 204620092 U CN204620092 U CN 204620092U CN 201520198628 U CN201520198628 U CN 201520198628U CN 204620092 U CN204620092 U CN 204620092U
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- counterpunch board
- arc surface
- lining plate
- impact crusher
- beating lining
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Abstract
The utility model relates to a kind of impact crusher counterpunch board, comprises the front counterpunch board be arranged in impact breaker body and the rear counterpunch board being arranged on front counterpunch board lower outer; Before the surface that contacts with material of counterpunch board be arc surface; The surface that described rear counterpunch board contacts with material is arc surface; Described arc surface is provided with saw-tooth grooves; Wedge shape beating lining plate is provided with in described saw-tooth grooves.The utility model impact crusher counterpunch board, improves aggregate product percent of pass; Reduce dust content to greatest extent and improve product grain type, improve the intensity of counterpunch board, improve the service life of counterpunch board and beating lining plate, shorten maintenance time, bulk materials can reflex to better in the scope of rotor rotation after impacting, and is convenient to rotor banding animal material and carries out repeatedly broken; The setting angle of wedge shape beating lining plate meets and bulk materials is reflexed to rotor region and piece material reflexes to discharge gate; The ratio of reduction is larger, and product grain type is more excellent.
Description
Technical field
The utility model relates to a kind of crushing mechanism of broken material, specifically, relates to a kind of impact crusher counterpunch board.
Background technology
Impact breaker is a kind of crushing mechanism utilizing impact energy to carry out broken material.Building stones directly fall into the rotor support body of High Rotation Speed by machine upper portion feeding mouth, and bar provides centrifugal force to material, and material is thrown front counterpunch board and carried out fragmentation.
Existing in impact breaker in small, broken bits is equipped with front counterpunch board, the second counterpunch board, and the 3rd chamber counterpunch board and the grain size regulating plate.
Existing counterpunch board all adopts welded impact rack to inlay the form of middle alloy wear resistant lining plate, welded counterattack support body is very thin, intensity difference, when running into bulk materials, there is no enough intensity to ensure the fragmentation of material, and easily cause cracking phenomena, make operation rate reduce, maintenance cost improves greatly.
In addition, the counterattack face of existing counterpunch board is plane, the reflection trace of material after impacting is unreasonable, bulk materials is caused to strengthen the impact of rotor, piece material clashes into back and forth and causes repeatedly fragmentation between bar and counterpunch board, causes product granularity too small and produces a large amount of dust (being commonly called as pulverizing).The design of this kind of counterpunch board has had a strong impact on the space availability ratio of crushing efficiency and crusher chamber, and due to dust content in product more, cause aggregate product percent of pass greatly to reduce.
Utility model content
For above-mentioned deficiency of the prior art, the impact crusher counterpunch board that the utility model provides a kind of structure simply to improve aggregate product percent of pass.
Technical solution adopted in the utility model is:
A kind of impact crusher counterpunch board,
Comprise the front counterpunch board be arranged in impact breaker body and the rear counterpunch board being arranged on front counterpunch board lower outer;
Before the surface that contacts with material of counterpunch board be arc surface;
Described rear counterpunch board is integral casting forming;
The surface that described rear counterpunch board contacts with material is arc surface; Described arc surface is provided with saw-tooth grooves; Wedge shape beating lining plate is provided with in described saw-tooth grooves;
Described wedge shape beating lining plate is provided with connecting hole and is connected by the installing hole of bolt with rear counterpunch board;
The bottom of described front counterpunch board is arc-shaped; Described rear counterpunch board top is arc-shaped;
The upper end of described rear counterpunch board arranges pin-and-hole; Described rear counterpunch board upper end is connected with body by bearing pin; Described pin-and-hole diameter is greater than pin diameter;
The bottom of described front counterpunch board is circular arc and rear counterpunch board top is be provided with gap between circular arc.
Angle between the inclined plane of described wedge shape beating lining plate and beating lining plate bottom surface is 22 ° ~ 27 °.
Describedly be provided with suspension height at front counterpunch board, rear counterpunch board back and lay the adjusting device of angle.
The quantity of described wedge shape beating lining plate is 8-12.
The arc surface of described front counterpunch board is less than rear counterpunch board arc surface.
Between described rear counterpunch board and wedge shape beating lining plate, backing plate is installed.
The arc surface of described rear counterpunch board is made up of upper arc surface and lower arc surface.
The radian of described upper arc surface is greater than the radian of lower arc surface.
The beneficial effect of the utility model hinge structure:
The utility model impact crusher counterpunch board, improves aggregate product percent of pass; Improve the problem that pulverizing is broken once in existing counterattack, reduce dust content to greatest extent and improve product grain type, improve the intensity of counterpunch board, improve the service life of counterpunch board and beating lining plate, shorten maintenance time.
The utility model impact crusher counterpunch board, the counterattack face of front counterpunch board and rear counterpunch board is arc surface, and bulk materials can reflex to better in the scope of rotor rotation after impacting, and is convenient to rotor banding animal material and carries out repeatedly broken; The setting angle of wedge shape beating lining plate meets and bulk materials is reflexed to rotor region and piece material reflexes to discharge gate; Crushing effect is better, and the ratio of reduction is larger, and product grain type is more excellent; Between rear portion counterpunch board and beating lining plate, backing plate is installed, ensures setting angle and the stability of beating lining plate.
The utility model impact crusher counterpunch board, has installed 8 ~ 12 pieces of beating lining plates, and the shape of beating lining plate and arrangement mode meet running orbit and the wear trend of material more.
The utility model impact crusher counterpunch board, has taken into full account the movement locus of material and the wear trend of counterpunch board, and by counterpunch board design more thick and heavy, improve shock resistance and the service life of forward and backward counterpunch board, frequently need not change liner plate; The beating lining plate that rear portion counterpunch board is installed can be changed separately according to abrasion condition, has both overhauled conveniently, has greatly reduced maintenance cost again; The shape of each beating lining plate and the design of arrangement mode consider that material reflexes in the scope of rotor rotation impact beating lining plate in crusher chamber after, it is broken that rotor can drive material to carry out repeatedly, make crushing effect better, the ratio of reduction is larger, and product grain type is more excellent.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model impact crusher counterpunch board;
Fig. 2 is the arrangement schematic diagram of the wedge shape beating lining plate of the utility model impact crusher.
Critical piece symbol description in accompanying drawing:
In figure:
1, front counterpunch board 2, rear counterpunch board
3, saw-tooth grooves 4, wedge shape beating lining plate
5, bearing pin 6, inclined plane
7, beating lining plate bottom surface 8, installation backing plate
9, upper arc surface 10, lower arc surface
11, rotor 12, body
13, pin-and-hole 14, suspension height and lay the adjusting device of angle.
Detailed description of the invention
Referring to drawings and Examples, the utility model is described in detail:
Accompanying drawing 1-2 is known, a kind of impact crusher counterpunch board,
Comprise the front counterpunch board 1 be arranged in impact breaker body 12 and the rear counterpunch board 2 being arranged on front counterpunch board lower outer;
Before the surface i.e. face of strikeing back that contacts with material of counterpunch board 1 be arc surface;
Described rear counterpunch board 2 is integral casting forming;
The surface i.e. face of strikeing back that described rear counterpunch board 2 contacts with material is arc surface; Described arc surface is provided with saw-tooth grooves 3; Wedge shape beating lining plate 4 is provided with in described saw-tooth grooves 3;
Described wedge shape beating lining plate 4 is provided with connecting hole and is connected by the installing hole of bolt with rear counterpunch board 2;
The bottom of described front counterpunch board 1 is arc-shaped; Described rear counterpunch board 2 top is arc-shaped;
The bottom of described front counterpunch board 1 is circular arc and rear counterpunch board 2 top is be provided with gap between circular arc; Be convenient to adjust the suspension height of front counterpunch board and rear counterpunch board and lay angle;
The upper end of described rear counterpunch board arranges pin-and-hole 13; Described rear counterpunch board upper end is connected with body by bearing pin 5; Described pin-and-hole diameter is greater than pin diameter; Angle between the inclined plane 6 of described wedge shape beating lining plate and beating lining plate bottom surface 7 is 22 ° ~ 27 °.
Describedly be provided with suspension height at front counterpunch board, rear counterpunch board back and lay the adjusting device 14 of angle.
The quantity of described wedge shape beating lining plate is 8-12.
The arc surface of described front counterpunch board is less than rear counterpunch board arc surface.
Between described rear counterpunch board and wedge shape beating lining plate, backing plate 8 is installed.
The arc surface of described rear counterpunch board is made up of upper arc surface 9 and lower arc surface 10.
The radian of described upper arc surface 9 is greater than the radian of lower arc surface 10.
The utility model impact crusher counterpunch board, improves aggregate product percent of pass; Improve the problem that pulverizing is broken once in existing counterattack, reduce dust content to greatest extent and improve product grain type, improve the intensity of counterpunch board, improve the service life of counterpunch board and beating lining plate, shorten maintenance time.
The utility model impact crusher counterpunch board, the counterattack face of front counterpunch board and rear counterpunch board is arc surface, and bulk materials can reflex to better in the scope of rotor rotation after impacting, and is convenient to rotor banding animal material and carries out repeatedly broken; The setting angle of wedge shape beating lining plate meets and bulk materials is reflexed to rotor region and piece material reflexes to discharge gate; Crushing effect is better, and the ratio of reduction is larger, and product grain type is more excellent; Between rear portion counterpunch board and beating lining plate, backing plate is installed, ensures setting angle and the stability of beating lining plate.
The utility model impact crusher counterpunch board, has installed 8 ~ 12 pieces of beating lining plates, and the shape of beating lining plate and arrangement mode meet running orbit and the wear trend of material more.
The utility model impact crusher counterpunch board, has taken into full account the movement locus of material and the wear trend of counterpunch board, and by counterpunch board design more thick and heavy, improve shock resistance and the service life of forward and backward counterpunch board, frequently need not change liner plate; The beating lining plate that rear portion counterpunch board is installed can be changed separately according to abrasion condition, has both overhauled conveniently, has greatly reduced maintenance cost again; The shape of each beating lining plate and the design of arrangement mode consider that material reflexes in the scope of rotor rotation impact beating lining plate in crusher chamber after, it is broken that rotor can drive material to carry out repeatedly, make crushing effect better, the ratio of reduction is larger, and product grain type is more excellent.
The utility model impact crusher counterpunch board, rear portion counterpunch board incorporates the second broken chamber counterpunch board and the grain size regulating plate of traditional three chamber counterattacks, decreases suspension arrangement and spring adjusting device; The rear portion counterpunch board of counterpunch board and particular design before more thick and heavy arc, more thick and heavy front and back counterpunch board all adopts with integral casting forming, improves shock resistance; Longer rear portion counterpunch board can be wider encirclement rotor.
Claims (8)
1. an impact crusher counterpunch board, is characterized in that:
Comprise the front counterpunch board be arranged in impact breaker body and the rear counterpunch board being arranged on front counterpunch board lower outer;
The surface that described front counterpunch board contacts with material is arc surface;
Described rear counterpunch board is integral casting forming;
The surface that described rear counterpunch board contacts with material is arc surface; Described rear counterpunch board arc surface is provided with saw-tooth grooves; Wedge shape beating lining plate is provided with in described saw-tooth grooves;
Described wedge shape beating lining plate is provided with connecting hole and is connected by the installing hole of bolt with rear counterpunch board;
The bottom of described front counterpunch board is arc-shaped; Described rear counterpunch board top is arc-shaped;
The upper end of described rear counterpunch board arranges pin-and-hole; Described rear counterpunch board upper end is connected with body by bearing pin; Described pin-and-hole diameter is greater than pin diameter;
Gap is provided with between the bottom arc surface of described front counterpunch board and rear counterpunch board top arc surface.
2. impact crusher counterpunch board according to claim 1, is characterized in that: the angle between the inclined plane of described wedge shape beating lining plate and beating lining plate bottom surface is 22 ° ~ 27 °.
3. impact crusher counterpunch board according to claim 1, is characterized in that: be describedly provided with suspension height at front counterpunch board, rear counterpunch board back and lay the adjusting device of angle.
4. impact crusher counterpunch board according to claim 1, is characterized in that: the quantity of described wedge shape beating lining plate is 8-12.
5. impact crusher counterpunch board according to claim 1, is characterized in that: the arc surface of described front counterpunch board is less than rear counterpunch board arc surface.
6. impact crusher counterpunch board according to claim 1, is characterized in that: install backing plate between described rear counterpunch board and wedge shape beating lining plate.
7. impact crusher counterpunch board according to claim 1, is characterized in that: the arc surface of described rear counterpunch board is made up of upper arc surface and lower arc surface.
8. impact crusher counterpunch board according to claim 7, is characterized in that: the radian of described upper arc surface is greater than the radian of lower arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520198628.7U CN204620092U (en) | 2015-04-03 | 2015-04-03 | Impact crusher counterpunch board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520198628.7U CN204620092U (en) | 2015-04-03 | 2015-04-03 | Impact crusher counterpunch board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204620092U true CN204620092U (en) | 2015-09-09 |
Family
ID=54039156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520198628.7U Active CN204620092U (en) | 2015-04-03 | 2015-04-03 | Impact crusher counterpunch board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204620092U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106582956A (en) * | 2016-11-30 | 2017-04-26 | 常州市双强机械制造有限公司 | Breaker plate for breaker |
| CN107149964A (en) * | 2017-07-19 | 2017-09-12 | 合盛硅业股份有限公司 | A kind of silica flour pulverizer |
| CN110773276A (en) * | 2019-11-07 | 2020-02-11 | 河南黎明重工科技股份有限公司 | Modular impact crusher |
| CN112657619A (en) * | 2020-12-14 | 2021-04-16 | 山东米科思机械设备有限公司 | Breaker with adjustable discharge port |
-
2015
- 2015-04-03 CN CN201520198628.7U patent/CN204620092U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106582956A (en) * | 2016-11-30 | 2017-04-26 | 常州市双强机械制造有限公司 | Breaker plate for breaker |
| CN107149964A (en) * | 2017-07-19 | 2017-09-12 | 合盛硅业股份有限公司 | A kind of silica flour pulverizer |
| CN110773276A (en) * | 2019-11-07 | 2020-02-11 | 河南黎明重工科技股份有限公司 | Modular impact crusher |
| CN112657619A (en) * | 2020-12-14 | 2021-04-16 | 山东米科思机械设备有限公司 | Breaker with adjustable discharge port |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |