Material crushing and screening device

Abstract

The utility model discloses a material crushing and screening device which comprises a crushing tank, the upper surface of the crushing tank is fixedly communicated with a feeding hopper, the inner bottom wall of the crushing tank is fixedly connected with a lifting pipe, the outer surface of the lifting pipe is provided with notches distributed in an annular array, and the outer surface of one end of the lifting pipe is fixedly sleeved with an annular plate. A first servo motor is fixedly installed on the upper surface of the smashing tank, a first rotating shaft is fixedly installed on an output shaft of the first servo motor through a coupler, and one end of the first rotating shaft penetrates through the smashing tank and extends into the lifting pipe. The screening device has the advantages that screened large-particle materials are automatically and repeatedly fed and smashed, manual labor force is reduced, screening holes are automatically dredged in a reciprocating mode, material blocking during screening is avoided, and therefore the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of material crushing, in particular to a material crushing and screening device. Background Art

[0002] The relationship between humans and chemical industry is very close, and it is popularized in all aspects of life. In modern life, chemical products are almost indispensable anytime and anywhere. From material life such as clothing, food, housing, and transportation to spiritual life such as culture, art, and entertainment, chemical products are needed to serve. Some chemical products play an epoch-making and important role in the history of human development. Their production and application even represent a certain historical stage of human civilization. The chemical industry generally uses a lot of chemical raw materials, such as solid materials such as copper salts or lithium salts. The raw materials of such materials are usually large blocks and cannot be used directly. Therefore, a crusher is needed to crush the materials and process them into powder before they can be used in production and processing.

[0003] After the existing crushing equipment crushes the materials, the qualified materials are screened out through the screen, and the unqualified materials are taken out and crushed again. This method requires manual repeated removal and feeding of unqualified materials, which is cumbersome and labor-intensive. In addition, when screening the materials, it is necessary to stop the machine regularly to clean the partially blocked screen holes, which greatly reduces the production efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a material crushing and screening device 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 material crushing and screening device, comprising a crushing tank, the upper surface of which is fixedly connected to a feed hopper, the inner bottom wall of which is fixedly connected to a lifting pipe, the outer surface of which is provided with notches distributed in a circular array, an outer surface of which is fixedly sleeved with an annular plate at one end, a first servo motor fixedly mounted on the upper surface of the crushing tank, an output shaft of which is fixedly mounted with a first rotating shaft via a coupling, one end of which passes through the crushing tank and extends to the interior of the lifting pipe;

[0006] A reciprocating crushing device is disposed at one end of the first rotating shaft, and the reciprocating crushing device includes a cross scraper, and the upper surface of the cross scraper is fixedly connected to one end of the first rotating shaft.

[0007] Preferably, a spiral sheet is fixedly connected to the outer surface of the first rotating shaft, the outer surface of the spiral sheet is in contact with the inner wall of the lifting tube, and symmetrically distributed material distribution plates are fixedly connected to the outer surface of the first rotating shaft.

[0008] Preferably, the lower surface of the dividing plate contacts the upper surface of the annular plate, the outer surface of the first rotating shaft is fixedly connected with symmetrically distributed supports, and the inner wall of the support is hinged with a connecting rod through a pin.

[0009] Preferably, a pressure roller is installed on the outer surface of one end of the connecting rod through a bearing, the outer surface of the pressure roller contacts the upper surface of the annular plate, the lower surface of the crushing tank is fixedly connected to a discharge pipe, and the inner wall of the discharge pipe is fixedly sleeved with a screen plate.

[0010] Preferably, the upper surface of the sieve plate contacts the lower surface of the cross scraper, the upper surface of the sieve plate is provided with sieve holes distributed in a circular array, the inner wall of the discharge pipe is fixedly connected with a mounting bracket, and a second servo motor is fixedly mounted on the upper surface of the mounting bracket.

[0011] Preferably, the output shaft of the second servo motor is fixedly mounted with the second rotating shaft via a coupling, the outer surface of the second rotating shaft is fixedly connected with an extrusion rod, the upper surface of the mounting bracket is fixedly connected with symmetrically distributed guide sleeves, and the inner wall of the guide sleeve is movably sleeved with a guide rod.

[0012] Preferably, a contraction spring is fixedly connected to the lower surface of the guide rod, one end of the contraction spring is fixedly connected to the inner bottom wall of the guide sleeve, the upper surfaces of the two guide rods are fixedly connected to clearing plates, the upper surfaces of the clearing plates are fixedly connected to clearing rods distributed in a circular array, the lower surface of the clearing plate is fixedly connected to an annular bevel block, the lower end of the annular bevel block is in contact with the outer surface of the extrusion rod.

[0013] Compared with the prior art, the beneficial effects of the utility model are: the reciprocating crushing device can realize the automatic repeated feeding and crushing of the large-particle materials screened out, reducing manual labor, and can realize automatic reciprocating dredging of the sieve holes, avoiding material blockage during screening, thereby improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 A three-dimensional diagram of the structure of a crushing tank of a material crushing and screening device proposed by the utility model;

[0016] Figure 3 A three-dimensional diagram of the lifting pipe structure of a material crushing and screening device proposed by the utility model;

[0017] Figure 4 This is a three-dimensional diagram of the discharge pipe structure of a material crushing and screening device proposed by the utility model;

[0018] Figure 5 A three-dimensional diagram of the structure of a dredging plate of a material crushing and screening device proposed by the utility model;

[0019] Figure 6 This is a three-dimensional diagram of the guide sleeve structure of a material crushing and screening device proposed by the utility model.

[0020] In the figure: 1. crushing tank; 2. feed hopper; 3. lifting pipe; 4. notch; 5. annular plate; 6. first servo motor; 7. first rotating shaft; 8. cross scraper; 81. spiral blade; 82. dividing plate; 83. support; 84. connecting rod; 85. pressure roller; 86. discharge pipe; 87. sieve plate; 88. sieve hole; 89. mounting bracket; 810. second servo motor; 811. second rotating shaft; 812. extrusion rod; 813. guide sleeve; 814. guide rod; 815. contraction spring; 816. dredging disk; 817. dredging rod; 818. annular ramp block. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-Figure 6 The utility model provides a technical solution: a material crushing and screening device, comprising a crushing tank 1, the upper surface of the crushing tank 1 is fixedly connected with a feed hopper 2, the inner bottom wall of the crushing tank 1 is fixedly connected with a lifting pipe 3, the outer surface of the lifting pipe 3 is provided with notches 4 distributed in a ring array, an outer surface of one end of the lifting pipe 3 is fixedly sleeved with a ring plate 5, a first servo motor 6 is fixedly installed on the upper surface of the crushing tank 1, the output shaft of the first servo motor 6 is fixedly installed with a first rotating shaft 7 through a coupling, and one end of the first rotating shaft 7 passes through the crushing tank 1 and extends to the inside of the lifting pipe 3;

[0023] A reciprocating crushing device is disposed at one end of the first rotating shaft 7 , and the reciprocating crushing device includes a cross scraper 8 , and an upper surface of the cross scraper 8 is fixedly connected to one end of the first rotating shaft 7 .

[0024] Furthermore, a spiral sheet 81 is fixedly connected to the outer surface of the first rotating shaft 7, and the outer surface of the spiral sheet 81 contacts the inner wall of the lifting tube 3. A symmetrically distributed material dividing plate 82 is fixedly connected to the outer surface of the first rotating shaft 7. A crushing roller for preliminary crushing of the material is arranged in the feed hopper 2. The top of the annular plate 5 is inclined to facilitate the material to slide to the bottom of the crushing tank 1.

[0025] Furthermore, the lower surface of the dividing plate 82 contacts the upper surface of the annular plate 5, and the outer surface of the first rotating shaft 7 is fixedly connected with symmetrically distributed supports 83, and the inner wall of the support 83 is hinged with a connecting rod 84 through a pin shaft. The centrifugal force when the dividing plate 82 rotates serves to sweep the material above the annular plate 5 off.

[0026] Furthermore, a pressure roller 85 is installed on the outer surface of one end of the connecting rod 84 through a bearing, and the outer surface of the pressure roller 85 contacts the upper surface of the annular plate 5. The lower surface of the crushing tank 1 is fixedly connected to a discharge pipe 86, and the inner wall of the discharge pipe 86 is fixedly sleeved with a sieve plate 87. The circumferential rotation and rotation of the pressure roller 85 cooperate with the annular plate 5 to further crush the material.

[0027] Furthermore, the upper surface of the sieve plate 87 contacts the lower surface of the cross scraper 8, and the upper surface of the sieve plate 87 is provided with sieve holes 88 distributed in a circular array. The inner wall of the discharge pipe 86 is fixedly connected with a mounting bracket 89, and the upper surface of the mounting bracket 89 is fixedly installed with a second servo motor 810. The rotation of the cross scraper 8 serves to flip the material above the sieve plate 87, thereby facilitating the sieve holes 88 to screen qualified materials.

[0028] Furthermore, the output shaft of the second servo motor 810 is fixedly installed with the second rotating shaft 811 through a coupling, the outer surface of the second rotating shaft 811 is fixedly connected with the extrusion rod 812, the upper surface of the mounting bracket 89 is fixedly connected with the symmetrically distributed guide sleeves 813, the inner wall of the guide sleeve 813 is movably sleeved with the guide rod 814, and the second servo motor 810 drives the extrusion rod 812 to perform circular motion through the second rotating shaft 811.

[0029] Furthermore, a contraction spring 815 is fixedly connected to the lower surface of the guide rod 814, one end of the contraction spring 815 is fixedly connected to the inner bottom wall of the guide sleeve 813, and the upper surfaces of the two guide rods 814 are fixedly connected to dredging plates 816, and the upper surfaces of the dredging plates 816 are fixedly connected to dredging rods 817 distributed in a circular array, and the lower surfaces of the dredging plates 816 are fixedly connected to annular ramp blocks 818, and the lower ends of the annular ramp blocks 818 are in contact with the outer surface of the extrusion rod 812. The elastic force of the contraction spring 815 serves to reset the dredging plates 816 through the guide rods 814, and the upper part of the dredging plates 816 is conically inclined to facilitate the rolling and falling of materials and avoid accumulation.

[0030] The reciprocating crushing device can realize automatic repeated feeding and crushing of the screened large-particle materials, reduce manual labor, and realize automatic reciprocating dredging of the sieve holes 88, avoiding material blockage during screening, thereby improving production efficiency.

[0031] Working principle: Step 1, add the material to be crushed into the feed hopper 2, and the crushing roller in the feed hopper 2 will preliminarily crush the material, and start the first servo motor 6 to drive the first rotating shaft 7 to rotate. The rotation of the first rotating shaft 7 drives the pressing roller 85 to rotate through the cooperation of the support 83 and the connecting rod 84, so as to further crush the material dropped from the feed hopper 2 onto the annular plate 5. At the same time, the rotation of the first rotating shaft 7 drives the distribution plate 82 to rotate, and the crushed material is swept off the annular plate 5 and dropped to the bottom of the crushing tank 1 by the centrifugal force of the rotation;

[0032] Step 2: The fallen materials slide through the notch 4 to the top of the sieve plate 87, and the rotation of the first rotating shaft 7 drives the cross scraper 8 to rotate, thereby driving the materials to flip, so that the qualified materials can be discharged through the sieve holes 88. At the same time, the first rotating shaft 7 drives the spiral piece 81 to rotate, and the rotation of the spiral piece 81 lifts the unqualified materials accumulated on the upper layer of the sieve plate 87 through the cooperation of the lifting pipe 3, and lifts them again to the top of the annular plate 5 for crushing;

[0033] Step three, start the second servo motor 810, the second servo motor 810 drives the extrusion rod 812 to rotate through the second rotating shaft 811, the rotation of the extrusion rod 812 reciprocatingly squeezes the dredging plate 816 through the annular inclined surface block 818, so that the dredging plate 816 drives the dredging rod 817 to perform reciprocating lifting and lowering motion through the cooperation of the contraction spring 815 and the guide rod 814, thereby performing a reciprocating dredging action on the sieve hole 88 through the dredging rod 817.

[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. A material crushing and screening device, comprising a crushing tank (1), characterized in that: The upper surface of the crushing pot (1) is fixedly connected to a feed hopper (2); the inner bottom wall of the crushing pot (1) is fixedly connected to a lifting pipe (3); the outer surface of the lifting pipe (3) is provided with notches (4) distributed in a ring array; an annular plate (5) is fixedly sleeved on the outer surface of one end of the lifting pipe (3); a first servo motor (6) is fixedly mounted on the upper surface of the crushing pot (1); the output shaft of the first servo motor (6) is fixedly mounted to a first rotating shaft (7) via a coupling; one end of the first rotating shaft (7) passes through the crushing pot (1) and extends to the interior of the lifting pipe (3); A reciprocating crushing device is provided at one end of the first rotating shaft (7), and the reciprocating crushing device comprises a cross scraper (8), and the upper surface of the cross scraper (8) is fixedly connected to one end of the first rotating shaft (7).

2. A material crushing and screening device according to claim 1, characterized in that: A spiral sheet (81) is fixedly connected to the outer surface of the first rotating shaft (7), the outer surface of the spiral sheet (81) is in contact with the inner wall of the lifting tube (3), and symmetrically distributed material distribution plates (82) are fixedly connected to the outer surface of the first rotating shaft (7).

3. A material crushing and screening device according to claim 2, characterized in that: The lower surface of the material dividing plate (82) contacts the upper surface of the annular plate (5); the outer surface of the first rotating shaft (7) is fixedly connected to symmetrically distributed supports (83); the inner wall of the support (83) is hinged with a connecting rod (84) via a pin.

4. A material crushing and screening device according to claim 3, characterized in that: A pressure roller (85) is mounted on the outer surface of one end of the connecting rod (84) via a bearing, the outer surface of the pressure roller (85) contacts the upper surface of the annular plate (5), the lower surface of the crushing tank (1) is fixedly connected to a discharge pipe (86), and the inner wall of the discharge pipe (86) is fixedly sleeved with a sieve plate (87).

5. A material crushing and screening device according to claim 4, characterized in that: The upper surface of the sieve plate (87) contacts the lower surface of the cross scraper (8), and the upper surface of the sieve plate (87) is provided with sieve holes (88) distributed in a ring array. The inner wall of the discharge pipe (86) is fixedly connected to a mounting bracket (89), and a second servo motor (810) is fixedly mounted on the upper surface of the mounting bracket (89).

6. A material crushing and screening device according to claim 5, characterized in that: The output shaft of the second servo motor (810) is fixedly mounted with a second rotating shaft (811) via a coupling; an extrusion rod (812) is fixedly connected to the outer surface of the second rotating shaft (811); a symmetrically distributed guide sleeve (813) is fixedly connected to the upper surface of the mounting bracket (89); and a guide rod (814) is movably sleeved on the inner wall of the guide sleeve (813).

7. A material crushing and screening device according to claim 6, characterized in that: The lower surface of the guide rod (814) is fixedly connected to a contraction spring (815), one end of which is fixedly connected to the inner bottom wall of the guide sleeve (813), the upper surfaces of the two guide rods (814) are fixedly connected to a dredging plate (816), the upper surfaces of the dredging plates (816) are fixedly connected to dredging rods (817) distributed in a circular array, the lower surface of the dredging plates (816) is fixedly connected to an annular inclined surface block (818), and the lower end of the annular inclined surface block (818) is in contact with the outer surface of the extrusion rod (812).

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