Limestone crusher with screening and conveying structure

By designing a structure of power components to drive square groove sliding and extrusion rod extrusion crushing in limestone crusher, the problem of blockage of screening plate is solved, and the efficiency of screening of fragments and the maintenance of equipment is improved.

CN222753389UActive Publication Date: 2025-04-15SHANDONG QUANXING CEMENT CO LTD
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Patent Information

Application Number
CN202421371196.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-17
Publication Date
2025-04-15
Estimated Expiration
2034-06-17

AI Technical Summary

Technical Problem

The existing limestone crushers are prone to blockage of the screening plate during the screening process, resulting in low efficiency of fragmentation and screening.

Method used

A limestone crusher with a screening conveying structure was designed. The power components were used to drive the square groove to slide up and down, the extrusion rod squeezed the stuck pieces and slide out, and the pressure rod drove the screen plate to swing back and forth, improving the working efficiency of the screen plate.

Benefits of technology

It effectively reduces the clogging of the screening plate, improves the screening efficiency of the fragments, and can quickly remove the worn extrusion rod, improving the maintenance of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of limestone crushers, and discloses a limestone crusher with a screening and conveying structure, which comprises a main body, a rotating shaft is connected to the left end in the main body, a slope block is slidably connected to the side part of the lower end of the main body, and a screen plate is fixedly connected to the side end of the slope block. The side end of the sieve plate is elastically connected to the interior of the lower end of the main body through a first spring, an extrusion rod is slidably connected to the interior of the sieve plate, a connecting assembly is slidably connected to the lower portion of the extrusion rod, a sliding rod is slidably connected to the left end of the connecting assembly, and a square groove is hinged to the side end of the upper portion of the sliding rod through a hinge rod. According to the utility model, the power assembly can drive the square groove to slide up and down, so that the extrusion rods at the two ends can extrude and slide out clamped fragments to reduce blockage, and the pressure rods can extrude to drive the sieve plate to swing back and forth, so that the working efficiency of the sieve plate is improved, and the dredging effect is better.
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Description

Technical Field

[0001] The utility model relates to the field of limestone crushers, in particular to a limestone crusher with a screening and conveying structure. Background Art

[0002] The crushing technology of limestone crusher usually adopts hammer crusher, jaw crusher or impact crusher. These crushers use mechanical force to crush the raw limestone into the required particle size. The crushed limestone needs to be screened to separate particles of different sizes.

[0003] After searching, Chinese patent announcement number: CN220425495U discloses a hammer crusher, including a crushing tank, in which a crushing mechanism, a screening mechanism and a collecting mechanism are provided, the screening mechanism is located below the crushing mechanism, and the collecting mechanism is slidably connected to the screening mechanism; the smaller fragments of this utility model fall into the collection box through the crushing net, and the larger ones roll down to the distribution channel, and stones of different volumes are divided into different collection chambers according to the width of the distribution channel.

[0004] In the above technology, although the fragments can be graded and screened, the different sizes of the fragments during use may cause some of the fragments to be stuck inside the screening device, resulting in blockage of the internal screening plates, etc., thereby reducing the efficiency of fragment screening. Therefore, a limestone crusher with a screening and conveying structure is proposed to solve the above problem. Utility Model Content

[0005] In order to make up for the above deficiencies, the utility model provides a limestone crusher with a screening and conveying structure, aiming to improve the problem of clogging of the screening plate.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a limestone crusher with a screening and conveying structure, comprising a main body, the inner left end of the main body is connected to a rotating shaft, the lower end side of the main body is slidably connected to an inclined block, the side end of the inclined block is fixedly connected to a screen plate, the side end of the screen plate is elastically connected to the lower end of the main body through a spring, the interior of the screen plate is slidably connected to an extrusion rod, the lower part of the extrusion rod is slidably connected to a connecting assembly, the left end of the connecting assembly is slidably connected to a sliding rod, the upper side end of the sliding rod is hinged to a square groove through a hinge rod, the lower part of the square groove is slidably connected to the extrusion assembly, and the interior of the square groove is slidably connected to a power assembly.

[0007] As a further description of the above technical solution:

[0008] The connecting assembly includes a connecting sleeve, a clamping block is slidably connected to the side end of the connecting sleeve, a connecting rod is slidably and fixedly connected to the upper end of the clamping block, and the upper end of the clamping block is elastically connected to the lower end of the extrusion rod through spring 2.

[0009] As a further description of the above technical solution:

[0010] The extrusion assembly includes a sliding plate, the lower part of the sliding plate is slidably connected to a fixed groove, the side end of the sliding plate is fixedly connected to a pressure rod, the upper part of the sliding plate is fixedly connected to the lower part of the square groove, the lower part of the fixed groove is fixedly connected to the lower part of the bracket, and the lower part of the pressure rod is in contact with the upper end side of the inclined block.

[0011] As a further description of the above technical solution:

[0012] The power assembly includes a bracket, the upper part of the bracket is fixedly connected to a motor, the right output shaft of the motor is fixedly connected to a turntable, the lower part of the bracket is fixedly connected to the lower end side of the main body, and the right part of the turntable is slidably connected to the inside of the square groove.

[0013] As a further description of the above technical solution:

[0014] One end of the spring is fixedly connected to the right side of the screen plate, the other end of the spring is fixedly connected to the lower side of the main body, and the lower part of the sliding rod is slidably connected to the lower end side of the main body.

[0015] As a further description of the above technical solution:

[0016] The upper portion of the hinged rod is hinged to the middle lower portion of the square groove, and the lower portion of the hinged rod is hinged to the upper end side portion of the sliding rod.

[0017] As a further description of the above technical solution:

[0018] The right part of the connecting sleeve is slidably connected to the lower outer end of the sliding rod, and the outer part of the connecting rod is slidably connected to the lower part of the side end of the extrusion rod.

[0019] As a further description of the above technical solution:

[0020] One end of the second spring is fixedly connected to the upper part of the clamping block, and the other end of the second spring is fixedly connected to the inside of the lower end of the extrusion rod.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, the power assembly can drive the square groove to slide up and down, so that the extrusion rods at both ends can squeeze the stuck fragments to slide out to reduce blockage, and the pressure rod extrusion can drive the screen plate to swing back and forth. This method improves the working efficiency of the screen plate and makes the dredging effect better.

[0023] 2. In the present invention, the clamping block can slide upward by sliding upward, so that the extrusion rod can slide horizontally and then slide downward for disassembly, so that the worn extrusion rod can be quickly disassembled and installed. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is an overall schematic diagram of a limestone crusher with a screening and conveying structure proposed by the utility model;

[0025] Figure 2 This is a schematic diagram of a screen plate of a limestone crusher with a screening and conveying structure proposed in the present invention;

[0026] Figure 3 This is a schematic diagram of an extrusion assembly of a limestone crusher with a screening and conveying structure proposed in the present invention;

[0027] Figure 4 This is a schematic diagram of the connection components of a limestone crusher with a screening and conveying structure proposed by the present invention.

[0028] Legend:

[0029] 1. Main body; 2. Sliding rod; 3. Bracket; 4. Motor; 5. Turntable; 6. Rotating shaft; 7. Square groove; 8. Articulated rod; 9. Pressure rod; 10. Fixed groove; 11. Inclined block; 12. Screen plate; 13. Extrusion rod; 14. Spring 1; 15. Sliding plate; 16. Spring 2; 17. Connecting rod; 18. Block; 19. Connecting sleeve. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] Reference Figure 1-Figure 2The utility model provides an embodiment: a limestone crusher with a screening and conveying structure, including a main body 1, the main body 1 is a box-type hammer crusher, the left end of the inner side of the main body 1 is connected with a rotating shaft 6, the rotating shaft 6 can drive the hammer to rotate by rotating to hammer the limestone so that it can be crushed, the lower end side of the main body 1 is slidably connected with an inclined block 11, the inclined block 11 can make the screen plate 12 only slide horizontally, and the upper end is an inclined surface that can be squeezed to drive the screen plate 12 to slide, the side end of the inclined block 11 is fixedly connected with a screen plate 12, the upper end of the screen plate 12 is an inclined surface, which can screen out sand and gravel, and make the required limestone fall through the middle of the two groups of screen plates 12 so that it can be separated The product can be transported by arranging a conveying device at the lower end of the main body 1. The side end of the sieve plate 12 is elastically connected to the inside of the lower end of the main body 1 through a spring 14. The spring 14 can squeeze the sieve plate 12 back to its original position to achieve the effect of repeated vibration. One end of the spring 14 is fixedly connected to the right side end of the sieve plate 12, and the other end of the spring 14 is fixedly connected to the lower side end of the main body 1. The spring 14 is squeezed by the internal squeeze of the lower end of the main body 1 to maintain the state of squeezing the sieve plate 12. The inside of the sieve plate 12 is slidably connected with an extrusion rod 13, which is composed of a long rod and an upper end block, which can squeeze the limestone inside the gap in the middle of the sieve plate 12 out to reduce blockage.

[0032] Reference Figure 1-Figure 3 The lower part of the extrusion rod 13 is slidably connected to a connecting assembly, and the left end of the connecting assembly is slidably connected to a sliding rod 2. The sliding rod 2 is L-shaped and can drive the extrusion rod 13 to slide back and forth. The lower part of the sliding rod 2 is slidably connected to the lower end side of the main body 1. The main body 1 limits the sliding rod 2 to slide horizontally only within a fixed distance. The upper side end of the sliding rod 2 is hinged to a square groove 7 through a hinged rod 8. The square groove 7 slides up and down to drive the hinged rod 8 to pull the sliding rods 2 at both ends to slide horizontally back and forth. The upper part of the hinged rod 8 is hinged in the middle of the square groove 7 At the bottom, the lower part of the hinged rod 8 is hinged to the upper end side of the sliding rod 2. The hinged rod 8 pulls the sliding rod 2 so that it can slide horizontally. The extrusion rod 13 slides accordingly to squeeze the limestone inside the gap of the sieve plate 12 to achieve the effect of dredging. The lower part of the square groove 7 is slidably connected with an extrusion assembly. The extrusion assembly includes a sliding plate 15. The sliding plate 15 slides with the square groove 7 to drive the pressure rod 9 to slide vertically. The lower part of the sliding plate 15 is slidably connected with a fixed groove 10. The fixed groove 10 limits the sliding plate 15 and the square groove 7 to only slide vertically.

[0033] Reference Figure 2-Figure 3The side end of the sliding plate 15 is fixedly connected with a pressure rod 9. The pressure rod 9 is L-shaped and can squeeze the inclined surface block 11 to drive the screen plate 12 to slide. The upper part of the sliding plate 15 is fixedly connected to the lower part of the square groove 7. The lower part of the fixed groove 10 is fixedly connected to the lower part of the bracket 3. The bracket 3 keeps the fixed groove 10 relatively fixed and vertical. The lower part of the pressure rod 9 is in contact with the upper side of the inclined surface block 11. The upper end of the inclined surface block 11 is squeezed to drive the screen plate 12 to swing back and forth to achieve the effect of vibration, which increases the effect of dredging. The sliding connection is provided with a power assembly, which includes a bracket 3, which can support and keep the motor 4 fixed. The upper part of the bracket 3 is fixedly connected to the motor 4, which can drive the turntable 5 to rotate. The right output shaft of the motor 4 is fixedly connected to the turntable 5, which is composed of a disc and a cylinder. The rotation drives the cylinder to rotate, so that the square groove 7 can slide up and down under the extrusion of the cylinder. The lower part of the bracket 3 is fixedly connected to the lower end side of the main body 1, and the main body 1 keeps the bracket 3 relatively fixed. The right part of the turntable 5 is slidably connected to the inside of the square groove 7.

[0034] Reference Figure 2-Figure 4 The connecting assembly includes a connecting sleeve 19, which is composed of a square sleeve on the right end and a square rod on the left end, so that the extrusion rod 13 can slide horizontally with the sliding rod 2 and can swing back and forth with the screen plate 12. The right part of the connecting sleeve 19 is slidably connected to the lower outer end of the sliding rod 2. The side end of the connecting sleeve 19 is internally slidably connected with a card block 18. The extrusion rod 13 slides back and forth and is easily worn. The card block 18 is T-shaped, and both ends extend to facilitate sliding to release the limit for replacing the extrusion rod 13. The upper end of the card block 18 is fixedly connected to the inside of the connecting rod 17, and the connecting rod 17 can The block 18 can only slide vertically within a fixed distance relative to the extrusion rod 13, and the outer sliding part of the connecting rod 17 is connected to the lower part of the side end of the extrusion rod 13. The extrusion rod 13 limits the connecting rod 17 to slide vertically within a fixed distance. The upper end of the block 18 is elastically connected to the inside of the lower end of the extrusion rod 13 through the spring 2 16. The spring 2 16 can keep the block 18 fixed inside the side end square rod of the connecting sleeve 19 by squeezing. One end of the spring 2 16 is fixedly connected to the upper part of the block 18, and the other end of the spring 2 16 is fixedly connected to the inside of the lower end of the extrusion rod 13.

[0035] Working principle: The rotating shaft 6 can drive the hammer to rotate to crush the limestone, and the broken pieces fall onto the screen plate 12. The sand and gravel fall, and the broken pieces slide toward the middle of the main body 1 and fall out, and the motor 4 drives the turntable 5 to rotate. The cylindrical extrusion at the side end of the turntable 5 makes the square groove 7 slide up, and the square groove 7 drives the hinged rod 8 to pull the sliding rods 2 at both ends to slide toward the middle, and the sliding rod 2 drives the connecting sleeve 19 to slide toward the center of the main body 1. The connecting sleeve 19 drives the extrusion rod 13 to slide to clean the gap in the middle of the screen plate 12. Then the turntable 5 continues to slide to make the square groove 7 slide down, and the hinged rod 8 makes the sliding rod 2 slide to both ends, and the sliding rod 2 drives the connecting sleeve 19 and the extrusion rod 13 slide to both ends, and the sliding of the square groove 7 drives the sliding plate 15 at the lower end to slide up and down, and the sliding plate 15 drives the pressure rod 9 to slide up and down, and the pressure rod 9 slides and squeezes the inclined surface block 11 to drive the screen plate 12 to slide right to squeeze the spring 14, and then slides back to its original position under the squeeze of the spring 14 to achieve the vibration effect. When the extrusion rod 13 is worn, the upper sliding block 18 can be used to drive the connecting rod 17 to slide up and squeeze the spring 2 16, and then slide to make the connecting sleeve 19 slide out of the extrusion rod 13, slide the extrusion rod 13 out for replacement, and then release it so that the spring 2 16 squeezes the block 18 and slides down into the interior of the square rod to remain fixed.

[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A limestone crusher with a screening and conveying structure, comprising a main body (1), characterized in that: The left end of the interior of the main body (1) is connected to a rotating shaft (6); the lower end side of the main body (1) is slidably connected to an inclined surface block (11); the side end of the inclined surface block (11) is fixedly connected to a screen plate (12); the side end of the screen plate (12) is elastically connected to the lower end of the main body (1) through a spring (14); the interior of the screen plate (12) is slidably connected to an extrusion rod (13); the lower part of the extrusion rod (13) is slidably connected to a connecting assembly; the left end of the connecting assembly is slidably connected to a sliding rod (2); the upper side end of the sliding rod (2) is hinged to a square groove (7) through a hinge rod (8); the lower part of the square groove (7) is slidably connected to an extrusion assembly; the interior of the square groove (7) is slidably connected to a power assembly.

2. The limestone crusher with a screening and conveying structure according to claim 1, characterized in that: The connecting assembly comprises a connecting sleeve (19), a clamping block (18) is slidably connected to the inside of the side end of the connecting sleeve (19), a connecting rod (17) is slidably fixedly connected to the inside of the upper end of the clamping block (18), and the upper end of the clamping block (18) is elastically connected to the inside of the lower end of the extrusion rod (13) through a second spring (16).

3. The limestone crusher with a screening and conveying structure according to claim 1, characterized in that: The extrusion assembly comprises a sliding plate (15), the lower part of the sliding plate (15) is slidably connected to a fixed groove (10), the side end of the sliding plate (15) is fixedly connected to a pressure rod (9), the upper part of the sliding plate (15) is fixedly connected to the lower part of the square groove (7), the lower part of the fixed groove (10) is fixedly connected to the lower part of the bracket (3), and the lower part of the pressure rod (9) is in contact with the upper end side of the inclined block (11).

4. The limestone crusher with a screening and conveying structure according to claim 1, characterized in that: The power assembly comprises a bracket (3), the upper part of the bracket (3) is fixedly connected to a motor (4), a turntable (5) is fixedly connected to the right output shaft of the motor (4), the lower part of the bracket (3) is fixedly connected to the lower end side of the main body (1), and the right part of the turntable (5) is slidably connected to the inside of the square groove (7).

5. The limestone crusher with a screening and conveying structure according to claim 1, characterized in that: One end of the spring (14) is fixedly connected to the right side end of the screen plate (12), the other end of the spring (14) is fixedly connected to the lower side end of the main body (1), and the lower part of the sliding rod (2) is slidably connected to the lower end side of the main body (1).

6. The limestone crusher with a screening and conveying structure according to claim 1, characterized in that: The upper part of the hinged rod (8) is hinged to the middle lower part of the square groove (7), and the lower part of the hinged rod (8) is hinged to the upper end side of the sliding rod (2).

7. The limestone crusher with a screening and conveying structure according to claim 2, characterized in that: The right part of the connecting sleeve (19) is slidably connected to the lower outer end of the sliding rod (2), and the outer part of the connecting rod (17) is slidably connected to the lower part of the side end of the extrusion rod (13).

8. The limestone crusher with a screening and conveying structure according to claim 2, characterized in that: One end of the second spring (16) is fixedly connected to the upper part of the clamping block (18), and the other end of the second spring (16) is fixedly connected to the inside of the lower end of the extrusion rod (13).

Citation Information

Patent Citations

  • Hammer crusher

    CN220425495U