CN113856826A - High-efficient breaker is used in ceramic manufacture - Google Patents

High-efficient breaker is used in ceramic manufacture Download PDF

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Publication number
CN113856826A
CN113856826A CN202111126468.1A CN202111126468A CN113856826A CN 113856826 A CN113856826 A CN 113856826A CN 202111126468 A CN202111126468 A CN 202111126468A CN 113856826 A CN113856826 A CN 113856826A
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CN
China
Prior art keywords
rotating
crushing
shaft
crushing box
ceramic production
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111126468.1A
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Chinese (zh)
Inventor
张燕
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Shandong University Of Arts
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Shandong University Of Arts
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Publication date
Application filed by Shandong University Of Arts filed Critical Shandong University Of Arts
Priority to CN202111126468.1A priority Critical patent/CN113856826A/en
Publication of CN113856826A publication Critical patent/CN113856826A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/14Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
    • B02C13/18Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26Details
    • B02C13/286Feeding or discharge
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26Details
    • B02C13/286Feeding or discharge
    • B02C2013/28609Discharge means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26Details
    • B02C13/286Feeding or discharge
    • B02C2013/28618Feeding means

Abstract

The invention relates to the technical field of ceramic production equipment, and discloses an efficient crusher for ceramic production, which comprises a crushing box, wherein a circulating cylinder is fixedly arranged at the bottom center position inside the crushing box; the edge position of the bottom side of the inner wall of the crushing box is provided with a plurality of rotating seats, the center position of each rotating seat is rotatably provided with a rotating cylinder, the outer side of each rotating cylinder is provided with a plurality of crushing blades, and an internal thread hole matched with the lifting thread area is formed in each rotating cylinder. According to the invention, the rotating cylinder can rotate clockwise and anticlockwise in a reciprocating manner, so that the crushing efficiency of the ceramic raw material is increased, dead angles in the crushing process are avoided, and the crushing reliability is ensured.

Description

High-efficient breaker is used in ceramic manufacture
Technical Field
The invention relates to the technical field of ceramic production equipment, in particular to a high-efficiency crusher for ceramic production.
Background
Ceramics are a general term for pottery and porcelain, and are various products made of materials obtained by pulverizing, mixing, molding and calcining natural clay and various natural minerals as main raw materials.
The used raw materials of modern ceramic manufacture are the ore, and the ore all needs the broken handle through the breaker, and the in-process that the breaker for ceramic manufacture among the prior art was used, and the rock of arbitrary size all carries out the breakage through same crushing mechanism, consequently at the in-process of operation, and crushing mechanism's working strength is great, and then leads to the operating efficiency lower, and crushing efficiency is not good, consequently, needs further improvement.
Disclosure of Invention
The invention aims to provide an efficient crusher for ceramic production, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a high-efficiency crusher for ceramic production comprises a crushing box, wherein a circulating cylinder is fixedly mounted at the bottom center position inside the crushing box, a circulating shaft is rotatably arranged at the bottom side inside the circulating cylinder, spiral blades are arranged on the outer side of the circulating shaft, the top of the rotating shaft penetrates through the circulating cylinder and is connected with a driving gear, a plurality of driven gears are meshed with the outer side of the driving gear, the rotating shaft is fixedly mounted at the horizontal center position of the driven gears, a rotating crank is arranged on the rotating shaft, a rotating crank sleeve is sleeved on the rotating crank, a rotating crank shaft is fixed on the rotating crank sleeve, a lifting rod is hinged on the rotating crank shaft, a lifting column is fixedly mounted at the bottom of the lifting rod, and a lifting thread area is arranged at the bottom of the lifting column;
the crushing box is characterized in that a plurality of rotating seats are arranged at the edge of the bottom side of the inner wall of the crushing box, a rotating cylinder is rotatably arranged at the center of each rotating seat, a plurality of crushing blades are arranged on the outer side of the rotating cylinder, and an internal thread hole matched with the lifting thread area is formed in the rotating cylinder.
As a modified scheme of the invention: and supporting legs are fixedly arranged at four corners of the bottom of the crushing box, and anti-skid pads are arranged at the bottoms of the supporting legs.
As a modified scheme of the invention: the bottom of the crushing box is also provided with a material discharging pipe, and the material discharging pipe is provided with a switch valve.
As a modified scheme of the invention: and feed hoppers are arranged at four corners of the top of the crushing box.
As a modified scheme of the invention: the crushing motor is fixedly installed at the center of the top of the crushing box, an output shaft of the crushing motor is connected with a driving shaft, and the driving shaft is fixed at the upper side of the driving gear.
As a modified scheme of the invention: one end of the rotating shaft, which is far away from the driven gear, is fixed on the inner wall of the crushing box through a bearing seat.
As a modified scheme of the invention: the number of the driven gears is at least 4, and the driven gears and the driving gear are bevel gears with the same structure.
As a modified scheme of the invention: the rotating crankshaft is connected with a lifting rod through a hinged shaft.
As a modified scheme of the invention: a plurality of discharging pipes are installed on the upper side of the outer wall of the circulating cylinder, and the number of the discharging pipes is at least 4.
As a modified scheme of the invention: and a plurality of feeding holes are formed in the lower side of the outer wall of the circulating cylinder.
Compared with the prior art, the invention has the beneficial effects that:
1. the rotary circulating shaft is arranged in the circulating cylinder, and the spiral blades are arranged on the outer wall of the circulating shaft, so that the ceramic raw material can be crushed, the ceramic raw material can be lifted up and down in a reciprocating manner, and the crushing effect of the ceramic raw material is further improved;
2. the lifting threaded area is arranged on the outer side of the lifting column and is matched with the internal threaded hole, so that the rotating cylinder can rotate clockwise and anticlockwise in a reciprocating manner, the crushing efficiency of the ceramic raw material can be increased, dead angles in the crushing process are avoided, and the crushing reliability is ensured;
3. only one motor power source exists in the whole crusher, the part cost of the device is further reduced, the practicability is high, the reliability is high, and the crusher is worthy of popularization and application.
Drawings
FIG. 1 is a schematic overall front view of the present invention;
FIG. 2 is a schematic view of the overall bottom structure of the present invention;
FIG. 3 is a schematic view of the inside top view of the present invention;
FIG. 4 is a schematic view of the overall internal structure of the present invention;
FIG. 5 is a schematic view showing the structure of a rotary cylinder according to the present invention;
FIG. 6 is a schematic view showing the structure of the circulation tube of the present invention;
FIG. 7 is a schematic view of a portion of the enlarged structure of A in FIG. 3;
fig. 8 is a partially enlarged structural diagram of B in fig. 4.
In the figure: 1. a crushing box; 2. a grinding motor; 3. a feed hopper; 4. supporting legs; 5. a discharge pipe; 6. a circulation cylinder; 7. a circulating shaft; 8. a helical blade; 9. a feed port; 10. a rotating seat; 11. a rotating cylinder; 12. crushing the leaves; 13. an internally threaded bore; 14. a discharge pipe; 15. a driven gear; 16. a rotating shaft; 17. rotating a crank; 18. rotating the curved sleeve; 19. rotating the crankshaft; 20. a lifting rod; 21. a lifting column; 22. a non-slip mat; 23. hinging a shaft; 24. a drive shaft; 25. a bearing seat; 26. a lifting threaded zone; 27. a drive gear.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the invention, and further, the terms "first", "second", etc., are used only for descriptive purposes and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated, whereby the features defined as "first", "second", etc., may explicitly or implicitly include one or more of such features, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, and the two elements may be communicated with each other, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example 1
Referring to fig. 1 to 8, in the embodiment of the present invention, an efficient crusher for ceramic production includes a crushing box 1, a circulation cylinder 6 is fixedly installed at a bottom center position inside the crushing box 1, a circulation shaft 7 is rotatably installed at a bottom side inside the circulation cylinder 6, a spiral blade 8 is installed outside the circulation shaft 7, the circulation shaft 7 drives the spiral blade 8 to rotate, so as to not only lift ceramic raw materials at the bottom of the circulation cylinder 6 from bottom to top, but also further crush the ceramic raw materials, the top of the rotation shaft 16 penetrates through the circulation cylinder 6 and is connected with a driving gear 27, a plurality of driven gears 15 are engaged at an outer side of the driving gear 27, the rotation shaft 16 is fixedly installed at a horizontal center position of the driven gears 15, the driving gear 27 drives the driven gears 15 to synchronously rotate when rotating, and further the rotation shaft 16 correspondingly rotates, the utility model discloses a lifting device, including rotation axis 16, lifting post 21, rotatory bent cover 18, rotatory bent cover 19, articulated have lifter 20 on the rotatory bent cover 19, lifter 20 bottom fixed mounting lift post 21, lift post 21 bottom is provided with lift screw thread district 26, and is specific, rotation axis 16 can drive rotatory crank 17 synchronous rotation when rotating, and then under the cooperation of rotatory bent cover 18 and rotatory bent cover 19 for lifter 20 has driven lift post 21 to reciprocate in step, and then makes the lift screw thread district 26 that sets up on lift post 21 also reciprocate in step.
The edge position of the bottom side of the inner wall of the crushing box 1 is provided with a plurality of rotating seats 10, the center position of each rotating seat 10 is rotatably provided with a rotating cylinder 11, a plurality of crushing leaves 12 are arranged on the outer side of each rotating cylinder 11, an internal thread hole 13 matched with a lifting thread area 26 is formed in each rotating cylinder 11, and the lifting columns 21 are arranged in the vertical moving process, so that the rotating cylinders 11 can rotate in a reciprocating mode through the matching between the lifting thread areas 26 and the internal thread holes 13, the ceramic raw materials are crushed without dead angles in the matching of the crushing leaves 12, and the reliability of the device is further improved.
In the one aspect of this embodiment, broken case 1 bottom four corners position fixed mounting supporting leg 4, non slipping pad 22 is installed to supporting leg 4 bottom, and the realization that can be better through installing non slipping pad 22 in supporting leg 4 bottom is to the firm effect of support of broken case 1 for whole broken case 1 can not take place to rock in crushing work process.
In the one aspect of this embodiment, material pipe 5 is still installed to broken case 1 bottom, arranges and installs the ooff valve on the material pipe 5, arranges the derivation that material pipe 5 can the inside ceramic raw materials after smashing of broken case 1 effectual realization through setting up to utilize the ooff valve to realize opening and shutting the effect.
In one aspect of this embodiment, the feed hopper 3 is installed at four corners of the top of the crushing box 1 for realizing the effective introduction of the ceramic raw material.
In the case of this embodiment, crushing motor 2 is fixedly installed at the top center of crushing box 1, and the output shaft of crushing motor 2 is connected with drive shaft 24, and drive shaft 24 is fixed in the upside position of driving gear 27, crushing motor 2 is used for directly driving drive shaft 24 and rotates, makes driving gear 27 rotate on the one hand, and on the other hand makes circulating shaft 7 also rotate in step, only has 2 power sources of crushing motor in the whole device, has further reduced the equipment cost of device.
In one case of this embodiment, the number of the driven gears 15 is at least 4, and the driven gears 15 and the driving gear 27 are bevel gears with the same structure, and by providing at least 4 driven gears 15 with the same structure, the torque in the vertical direction can be transmitted to the rotating shaft 16 in the horizontal direction, and finally the requirement of the device for transmitting the crushing power is met.
In one aspect of the present embodiment, the rotating crankshaft 19 is connected to the lifting rod 20 through the hinge shaft 23, so that the lifting rod 20 does not interfere with the up-and-down movement.
In one embodiment, a plurality of discharge pipes 14 are installed on the upper side of the outer wall of the circulation cylinder 6, the number of the discharge pipes 14 is at least 4, and the ceramic raw material lifted by the circulation cylinder 6 can be re-introduced into the crushing box 1 through the discharge pipes 14 to be crushed again.
In one aspect of this embodiment, a plurality of feeding holes 9 are disposed at a lower position of the outer wall of the circulation cylinder 6 for guiding the ceramic raw material crushed by the crushing blades 12 into the circulation cylinder 6 for circulation and lifting.
Example 2
In another embodiment of the present invention, the embodiment is different from the above embodiments in that one end of the rotating shaft 16, which is far away from the driven gear 15, is fixed on the inner wall of the crushing box 1 through a bearing seat 25 for effective rotation limiting of the end of the rotating shaft 16, so as to ensure that the rotating shaft 16 does not shake during the rotation process, improve the accuracy when the driving gear 27 is meshed with the driven gear 15, and thus improve the stability of the device.
The working principle of the invention is as follows: during the use, the raw materials that will carry out the crushing are led into crushing incasement 1 inside through feeder hopper 3, later start crushing motor 2, crushing motor 2 has driven driving gear 27 and circulation axle 7 synchronous rotation, and then circulate ceramic raw materials in circulation section of thick bamboo 6 and crushing incasement 1 is inside, and carry out abundant crushing under the effect of clockwise and anticlockwise reciprocating rotation's crushing leaf 12, discharge in the final follow row material pipe 5, the high-efficient crushing effect to pottery has been ensured, whole operation process, and is swift convenient and reliable.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. A high-efficiency crusher for ceramic production comprises a crushing box (1) and is characterized in that a circulating cylinder (6) is fixedly installed at the bottom center of the inner side of the crushing box (1), a circulating shaft (7) is rotatably arranged at the bottom side of the inner part of the circulating cylinder (6), spiral blades (8) are arranged on the outer side of the circulating shaft (7), the top of a rotating shaft (16) penetrates through the circulating cylinder (6) to be connected with a driving gear (27), a plurality of driven gears (15) are meshed with the outer side of the driving gear (27), the rotating shaft (16) is fixedly installed at the horizontal center of the driven gears (15), a rotating crank (17) is arranged on the rotating shaft (16), a rotating crank sleeve (18) is sleeved on the rotating crank (17), a rotating crank shaft (19) is fixed on the rotating crank sleeve (18), a lifting rod (20) is hinged on the rotating crank shaft (19), and a lifting column (21) is fixedly installed at the bottom of the lifting rod (20), the bottom of the lifting column (21) is provided with a lifting thread area (26);
the crushing box is characterized in that a plurality of rotating seats (10) are arranged at the edge position of the bottom side of the inner wall of the crushing box (1), a rotating cylinder (11) is rotatably arranged at the central position of each rotating seat (10), a plurality of crushing leaves (12) are arranged on the outer side of each rotating cylinder (11), and an internal thread hole (13) matched with the lifting thread area (26) is formed in each rotating cylinder (11).
2. The efficient crusher for ceramic production is characterized in that supporting legs (4) are fixedly arranged at four corners of the bottom of the crushing box (1), and anti-skid pads (22) are arranged at the bottoms of the supporting legs (4).
3. The efficient crusher for ceramic production as claimed in claim 2, wherein the bottom of the crushing box (1) is further provided with a discharge pipe (5), and the discharge pipe (5) is provided with a switch valve.
4. The efficient crusher for ceramic production as claimed in claim 1, wherein feed hoppers (3) are installed at four corners of the top of the crushing box (1).
5. The efficient crusher for ceramic production according to claim 4, characterized in that the crushing motor (2) is fixedly installed at the center of the top of the crushing box (1), the output shaft of the crushing motor (2) is connected with a driving shaft (24), and the driving shaft (24) is fixed at the upper side of the driving gear (27).
6. The efficient crusher for ceramic production as claimed in claim 1, wherein the end of the rotating shaft (16) far from the driven gear (15) is fixed on the inner wall of the crushing box (1) through a bearing seat (25).
7. The efficient crusher for ceramic production as claimed in claim 1, wherein the number of the driven gears (15) is at least 4, and the driven gears (15) and the driving gear (27) are bevel gears of the same structure.
8. The efficient crusher for ceramic production according to claim 1, characterized in that the rotating crankshaft (19) is connected with a lifter bar (20) through a hinge shaft (23).
9. The efficient crusher for ceramic production according to claim 1, wherein a plurality of discharging pipes (14) are installed on the upper side of the outer wall of the circulating cylinder (6), and the number of the discharging pipes (14) is at least 4.
10. The efficient crusher for ceramic production as claimed in claim 9, wherein a plurality of feeding holes (9) are formed at the lower side of the outer wall of the circulating cylinder (6).
CN202111126468.1A 2021-09-26 2021-09-26 High-efficient breaker is used in ceramic manufacture Pending CN113856826A (en)

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CN202111126468.1A CN113856826A (en) 2021-09-26 2021-09-26 High-efficient breaker is used in ceramic manufacture

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CN202111126468.1A CN113856826A (en) 2021-09-26 2021-09-26 High-efficient breaker is used in ceramic manufacture

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018505054A (en) * 2015-02-18 2018-02-22 ペーエムエス ハンデルスコントア ゲゼルシャフト ミット ベシュレンクテル ハフツングPMS Handelskontor GmbH Crusher
CN108187833A (en) * 2017-12-21 2018-06-22 刘艳燕 A kind of soil reducing mechanism for before soil remediation
CN110961208A (en) * 2019-12-25 2020-04-07 王淑英 Broken device that refines of industrial chemicals
US20200232303A1 (en) * 2018-10-22 2020-07-23 Halliburton Energy Services, Inc. Rotating Cutter Apparatus For Reducing The Size Of Solid Objects In A Fluid
CN111637712A (en) * 2020-06-09 2020-09-08 王斌 Drying device of gallium oxide powder
CN212142897U (en) * 2020-04-27 2020-12-15 江苏杰森生物质能源科技有限公司 Quick breaker is used to biological granule

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018505054A (en) * 2015-02-18 2018-02-22 ペーエムエス ハンデルスコントア ゲゼルシャフト ミット ベシュレンクテル ハフツングPMS Handelskontor GmbH Crusher
CN108187833A (en) * 2017-12-21 2018-06-22 刘艳燕 A kind of soil reducing mechanism for before soil remediation
US20200232303A1 (en) * 2018-10-22 2020-07-23 Halliburton Energy Services, Inc. Rotating Cutter Apparatus For Reducing The Size Of Solid Objects In A Fluid
CN110961208A (en) * 2019-12-25 2020-04-07 王淑英 Broken device that refines of industrial chemicals
CN212142897U (en) * 2020-04-27 2020-12-15 江苏杰森生物质能源科技有限公司 Quick breaker is used to biological granule
CN111637712A (en) * 2020-06-09 2020-09-08 王斌 Drying device of gallium oxide powder

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
武丽梅: "《机械原理》", 31 August 2015, 北京理工大学出版社 *

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