Graded stone crushing device

Abstract

The utility model relates to the technical field of crushing, and provides a grading stone crushing device which comprises an adjusting crushing mechanism, a dust removal filtering mechanism and a box body, the adjusting crushing mechanism comprises a motor, the motor is installed in the box body, two symmetrically-arranged rotating shafts are rotatably installed in the box body, and the dust removal filtering mechanism is installed in the box body. Wherein one end of one rotating shaft is connected to the output end of the motor through a coupler, the peripheral face of each rotating shaft is fixedly sleeved with a driving bevel gear and a rotating roller, and through arrangement of the motor, an electric air cylinder and other structures, before the motor is started for stone breaking, the electric air cylinder is started, the positions of the two rotating rollers are adjusted, and therefore the stone breaking efficiency is improved. And the holes in the first screen block and the second screen block can be adjusted to adapt to passing of the broken stones with different sizes, so that the use efficiency is improved, and the problems of low efficiency and high use cost in the prior art are solved.

Description

Technical Field

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

[0002] At present, the graded crushing device is a kind of equipment used to crush and screen construction gravel. Through a series of crushing and screening mechanisms, the raw materials are crushed and screened according to different particle sizes to meet the demand for gravel of different specifications in construction.

[0003] The prior art has an authorization announcement number of CN116116545B, which is a graded stone crushing device for road construction. The patent discloses a graded stone crushing device for road construction, which includes a bottom box, a jaw crusher and a secondary stone crushing mechanism. The bottom box is provided with a secondary stone crushing mechanism, which is composed of a reduction motor, a crushing roller and auxiliary components for positioning the crushing roller. The upper end of the bottom box is provided with a primary stone crushing discharging mechanism, including a guide bucket, a driving part and a guide part, which can drive the guide bucket to move in the horizontal direction and limit it to move from the horizontal to the vertical direction. A negative pressure dust removal mechanism is provided on one side of the bottom box, which removes dust through a spray head to avoid the release of smoke and dust, which is beneficial to environmental governance. The patent can switch the degree of raw material crushing according to actual needs to meet construction requirements.

[0004] However, when the patent is used, the crushing size of the material can only be adjusted by the crushing roller, and its use efficiency is low. During the dust removal process, the patent will cause water loss, thereby increasing the use cost.

[0005] The prior art discloses a grading and screening device for building gravel with application publication number CN107470154A. The shell of the patent is provided with an upper cover, a feed port and a feed hopper are provided on the left wall, the upper cover is provided with a sliding baffle, an air blowing duct, an air intake hood and a blower, a first screen, a rotating shaft, a rotating frame and a second screen are provided in the shell, a motor is provided at the right end of the rotating shaft, a material guide bottom plate is provided at the bottom, a dust removal chamber is provided on the right wall, an air guide duct, a filter, a baffle, an exhaust duct, a filter cloth, a rotating shaft and an arc-shaped impeller are provided in the chamber, and a second discharge pipe is also provided on the left wall. The device improves the screening efficiency by cooperating with the rotating frame and the second screen with the air blowing pipe, efficiently filters dust impurities through the dust removal chamber, and the second discharge pipe removes impurities and collects gravel.

[0006] However, this patent also has the problem of low efficiency of use. Utility Model Content

[0007] The utility model provides a grading stone crushing device, which solves the problems of low efficiency and high use cost in the related technology.

[0008] The technical scheme of the utility model is as follows: a grading stone crushing device, comprising an adjustable crushing mechanism, a dust removal and filtering mechanism and a box body, wherein the adjustable crushing mechanism comprises a motor, wherein the motor is installed inside the box body, wherein two symmetrically arranged rotating shafts are rotatably installed inside the box body, wherein one end of one of the rotating shafts is connected to the output end of the motor through a coupling, wherein the outer circumference of the rotating shaft is respectively fixedly sleeved with an active bevel gear and a roller, wherein the outer circumference of the roller is fixedly connected with a plurality of arrays of equidistantly distributed crushing blocks, wherein the outer circumferences of the two rotating shafts are movably sleeved with two sliding frames, wherein the sliding frames are slidably assembled inside the box body, wherein the inner parts of the two sliding frames are rotatably installed with extension shafts, and the outer circumferences of the extension shafts are respectively fixedly sleeved with active bevel gears and rollers, wherein the outer circumferences of the rollers are fixedly connected with a plurality of arrays of equidistantly distributed crushing blocks, wherein the outer circumferences of the two rotating shafts are movably sleeved with two sliding frames, wherein the sliding frames are slidably assembled inside the box body, wherein the inner parts of the two sliding frames are rotatably installed with extension shafts, and the outer circumferences of the extension shafts are respectively fixedly sleeved with active bevel gears and rollers, wherein the outer circumferences of the two ... The upper fixed sleeve is provided with a follower bevel gear, the active bevel gear is meshed with the follower bevel gear, an electric cylinder is installed on the extending shaft, and the fixed sleeve on the outer circumference of the extending shaft is provided with four symmetrically arranged inner groove discs, and a number of circumferentially evenly distributed rotating balls are rotatably installed inside the inner groove discs, and one side of the other two sliding frames is commonly fixedly connected with a sleeve rod, and the tops of the four sliding frames are fixedly connected with connecting rods by screws, wherein the bottoms of two of the connecting rods are commonly fixedly connected with a first screen block, and the bottoms of the other two connecting rods are commonly fixedly connected with a second screen block, one side of the box body is movably hinged with a first closing door, and the other side of the box body is movably hinged with a second closing door, and the inside of the box body is fixedly connected with a feeding screen block by screws.

[0009] Preferably, the dust removal and filtering mechanism includes a water pump, which is installed on one side of the box body. A connecting pipe is fixedly connected to the top of the water pump, and one end of the connecting pipe is fixedly connected to two symmetrically arranged atomizing nozzles. A pulling frame is slidingly assembled inside the box body, and a handle is fixedly connected to one side of the pulling frame.

[0010] Preferably, two symmetrically arranged sliding grooves are provided inside the box body, and the four sliding frames are slidably connected inside the two sliding frames respectively, and the sliding grooves are used for the sliding of the sliding frames.

[0011] Preferably, a circular hole is opened inside the sliding frame, and the rotating shaft is rotatably installed inside the circular hole, and the circular hole is used for the rotation of the rotating shaft.

[0012] Preferably, an inner circular groove is provided inside the inner groove disc, and a plurality of rotating balls are installed inside the inner circular groove for rotating together, and the inner circular groove is used for the rotation of the rotating balls.

[0013] Preferably, circular grooves are provided inside the two sliding frames, and the extension shafts are rotatably mounted inside the two circular grooves, and the circular grooves are used for the rotation of the extension shafts.

[0014] Preferably, a slide groove is provided inside the box body, and the first sieve block and the second sieve block are both slidably connected inside the slide groove, and the slide groove is used for the sliding of the first sieve block and the second sieve block.

[0015] Preferably, a square groove is opened inside the box body, and the pulling frame is slidably connected inside the square groove, and the square groove is used for the sliding of the pulling frame.

[0016] The working principle and beneficial effects of the utility model are:

[0017] 1. In the utility model, by setting the structures such as the motor and the electric cylinder, before the equipment starts the motor to crush the stone, the electric cylinder is turned on to adjust the positions of the two rollers so that it can produce crushed stones of different sizes, and the holes on the first sieve block and the second sieve block are adjusted to adapt to the passage of crushed stones of different sizes, thereby improving its use efficiency.

[0018] 2. In the utility model, by setting up structures such as a water pump and an atomizing nozzle, during the crushing process of the equipment, the water pump is turned on, and water is sprayed out from the atomizing nozzle to reduce the dust. Then the water flows through the pulling frame, and the pulling frame filters the impurities in the water. Then the water enters the atomizing nozzle through the water pump, thereby reducing dust and saving resources at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a side view of the overall structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the internal structure of the box of the utility model;

[0023] Figure 4 This is a schematic diagram of the overall structure of the roller of the utility model;

[0024] Figure 5 This is a schematic diagram of the electric cylinder transmission structure of the utility model;

[0025] Figure 6 For the utility model Figure 5 Enlarged view of the area marked A.

[0026] In the figure: 1. Adjust the crushing mechanism; 11. Box body; 111. First closing door; 112. Second closing door; 113. Feeding screen block; 114. Connecting column; 115. Sliding column; 116. Shock-absorbing spring; 117. Grounding plate; 12. Motor; 121. Rotating shaft; 122. Active bevel gear; 123. Roller; 124. Crushing block; 13. Electric cylinder; 131. Extending shaft; 132. Follow-up bevel gear; 133. Rotating ball; 134. Inner groove disc; 14. Sliding frame; 141. Socket rod; 142. Connecting rod; 143. First screen block; 144. Second screen block; 2. Dust removal and filtering mechanism; 21. Water pump; 22. Connecting pipe; 221. Atomizing nozzle; 23. Pull frame; 231. Handle. DETAILED DESCRIPTION

[0027] The following will be combined with 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 of 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.

[0028] Example 1

[0029] like Figure 1-Figure 6As shown, this embodiment proposes a grading stone crushing device, including an adjustable crushing mechanism 1, a dust removal and filtering mechanism 2 and a box body 11, the adjustable crushing mechanism 1 includes a motor 12, the motor 12 is installed inside the box body 11, and two symmetrically arranged rotating shafts 121 are rotatably installed inside the box body 11, one end of one of the rotating shafts 121 is connected to the output end of the motor 12 through a coupling, and the outer circumference of the rotating shaft 121 is respectively fixedly sleeved with an active bevel gear 122 and a roller 123, and the outer circumference of the roller 123 is fixedly connected with a plurality of arrays of equidistantly distributed crushing blocks 124, and the outer circumference of the two rotating shafts 121 is movably sleeved with two sliding frames 14, and the sliding frames 14 are slidably assembled inside the box body 11, wherein the two sliding frames 14 are rotatably installed inside the two sliding frames 14, and the outer circumference of the extending shaft 131 is fixedly sleeved with a follower bevel gear 132, and the active bevel gear 122 is meshed with the follower bevel gear 132, and the extending shaft 131 is installed with an electric cylinder 13, and the outer circumference of the extending shaft 131 is fixedly sleeved with a follower bevel gear 132. There are four symmetrically arranged inner groove discs 134, and a plurality of rotating beads 133 evenly distributed on the circumference are rotatably installed inside the inner groove disc 134. A sleeve rod 141 is fixedly connected to one side of the other two sliding frames 14. The tops of the four sliding frames 14 are fixedly connected to connecting rods 142 by screws, wherein the bottoms of two connecting rods 142 are fixedly connected to the first sieve block 143, and the bottoms of the other two connecting rods 142 are fixedly connected to the second sieve block 144. A first closing block 143 is movably hinged on one side of the box body 11. The second closing door 111 is hinged on the other side of the box body 11, and a feeding screen block 113 is fixedly connected to the inside of the box body 11 by screws. Through the arrangement of the motor 12, the electric cylinder 13 and other structures, before the equipment starts the motor 12 to crush stones, the electric cylinder 13 is turned on to adjust the positions of the two rollers 123 so that it can produce crushed stones of different sizes, and the holes on the first screen block 143 and the second screen block 144 are adjusted to adapt to the passage of crushed stones of different sizes, thereby improving their use efficiency.

[0030] like Figure 1-Figure 5 As shown, two symmetrically arranged sliding grooves are provided inside the box body 11 , and four sliding frames 14 are slidably connected inside the two sliding frames 14 .

[0031] like Figure 1-Figure 6 As shown, a circular hole is opened inside the sliding frame 14, and the rotating shaft 121 is rotatably installed inside the circular hole.

[0032] like Figure 1-Figure 6 As shown, an inner groove disc 134 is provided with an inner circular groove, and a plurality of rotating balls 133 are installed inside the inner circular groove for rotation together.

[0033] like Figure 1-Figure 6As shown, circular grooves are provided inside the two sliding frames 14, and the extending shafts 131 are rotatably installed inside the two circular grooves.

[0034] like Figure 1-Figure 4 As shown, a slide groove is provided inside the box body 11, and the first sieve block 143 and the second sieve block 144 are both slidably connected inside the slide groove.

[0035] The specific implementation principle of this embodiment is as follows: before the equipment is used, the electric cylinder 13 is turned on first, and the electric cylinder 13 is started to adjust the position of the extension shaft 131. At this time, the inner groove disc 134 on the extension shaft 131 pushes the sliding frame 14, so that the distance between the two rollers 123 is adjusted, so that the stone can be crushed as required. When the distance of the rollers 123 is adjusted, the sliding frame 14 drives the sleeve rod 141 to adjust the position. At this time, the holes on the first sieve block 143 and the second sieve block 144 are misaligned, and holes of different sizes are adjusted according to the adjustment distance of the rollers 123 to adapt to different sizes. The motor 12 is turned on to rotate one of the rotating shafts 121 to rotate. When the rotating shaft 121 rotates, the active bevel gear 122 is driven to rotate. The active bevel gear 122 is driven to rotate by the follower bevel gear 132. The follower bevel gear 132 is driven to rotate by the extension shaft 131, so that the active bevel gear 122 meshing with the follower bevel gear 132 on the other side rotates, driving the other rotating shaft 121 to rotate. At this time, due to the rotating beads 133 on the inner groove disc 134, the extension shaft 131 rotates synchronously, so that it can adapt to the passage of crushed stones of different sizes and improve its use efficiency.

[0036] Example 2

[0037] like Figure 1-Figure 3 As shown, this embodiment also introduces a grading stone crushing device, which adds the following structure on the basis of the first embodiment: the dust removal and filtering mechanism 2 includes a water pump 21, the water pump 21 is installed on one side of the box body 11, the top of the water pump 21 is fixedly connected with a connecting pipe 22, one end of the connecting pipe 22 is fixedly connected with two symmetrically arranged atomizing nozzles 221, the interior of the box body 11 is slidably equipped with a pulling frame 23, one side of the pulling frame 23 is fixedly connected with a handle 231, through the arrangement of the water pump 21, the atomizing nozzle 221 and other structures, during the crushing process of the equipment, the water pump 21 is turned on, water is sprayed from the atomizing nozzle 221 to reduce dust, and then the water flows through the pulling frame 23, the pulling frame 23 filters the impurities in the water, and then the water enters the atomizing nozzle 221 from the water pump 21, thereby saving resources while reducing dust.

[0038] like Figure 1-Figure 3 As shown, a square groove is provided inside the box body 11, and the pulling frame 23 is slidably connected inside the square groove.

[0039] The specific implementation principle of this embodiment is as follows: during the use of the equipment, the water pump 21 can be turned on. When the water pump 21 is turned on, the water at the bottom of the box 11 is pumped out to the atomizing nozzle 221 for spraying. After the water is used for dust removal, it falls into the interior of the equipment, and after passing through the unloading and drying blocks, it falls into the pulling frame 23. After being filtered by the pulling frame 23, it falls into the interior of the box 11 again for circulation, saving resources while reducing dust. The utility model also includes a connecting column 114, a sliding column 115, a shock-absorbing spring 116 and a grounding plate 117, which can be used to shock the box 11 when it is crushed, reduce the probability of loosening of equipment components, and increase the service life of the equipment.

[0040] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A grading stone crushing device, comprising an adjustable crushing mechanism (1), a dust removal and filtering mechanism (2) and a box (11), characterized in that: The adjustable crushing mechanism (1) comprises a motor (12), the motor (12) being mounted inside the housing (11), two symmetrically arranged rotating shafts (121) being rotatably mounted inside the housing (11), one end of one of the rotating shafts (121) being connected to the output end of the motor (12) via a coupling, the outer circumference of the rotating shaft (121) being respectively fixedly sleeved with an active bevel gear (122) and a roller (123), the outer circumference of the roller (123) being fixedly connected with a plurality of equidistantly distributed crushing blocks (124), the outer circumference of the two rotating shafts (121) being movably sleeved with two sliding frames (14), the sliding frames (14) being slidably mounted inside the housing (11), wherein an extension shaft (131) being rotatably mounted inside the two sliding frames (14), the outer circumference of the extension shaft (131) being fixedly sleeved with a follower bevel gear (132), the active bevel gear (122) and the roller (123) being fixedly sleeved with the ... The extending shaft (131) is meshed with the following bevel gear (132), an electric cylinder (13) is installed on the extending shaft (131), four symmetrically arranged inner groove discs (134) are fixedly sleeved on the outer circumference of the extending shaft (131), a plurality of rotating balls (133) evenly distributed around the circumference are rotatably installed inside the inner groove disc (134), one side of the other two sliding frames (14) is commonly fixedly connected with a sleeve connecting rod (141), and the tops of the four sliding frames (14) are fixedly connected by screws. It is connected to a connecting rod (142), wherein the bottoms of two of the connecting rods (142) are commonly fixedly connected to a first screen block (143), and the bottoms of the other two connecting rods (142) are commonly fixedly connected to a second screen block (144); one side of the box body (11) is movably hinged with a first closed door (111), and the other side of the box body (11) is movably hinged with a second closed door (112); the interior of the box body (11) is fixedly connected to a feed screen block (113) by screws.

2. A grading stone crushing device according to claim 1, characterized in that: The dust removal and filtering mechanism (2) comprises a water pump (21), the water pump (21) is installed on one side of the box body (11), a connecting pipe (22) is fixedly connected to the top of the water pump (21), one end of the connecting pipe (22) is fixedly connected to two symmetrically arranged atomizing nozzles (221), and a pulling frame (23) is slidably mounted inside the box body (11), and a handle (231) is fixedly connected to one side of the pulling frame (23).

3. A grading stone crushing device according to claim 1, characterized in that: Two symmetrically arranged sliding grooves are provided inside the box body (11), and the four sliding frames (14) are respectively slidably connected inside the two sliding frames (14).

4. A grading stone crushing device according to claim 1, characterized in that: A circular hole is provided inside the sliding frame (14), and the rotating shaft (121) is rotatably mounted inside the circular hole.

5. The grading stone crushing device according to claim 1, characterized in that: An inner groove is formed inside the inner groove disc (134), and a plurality of rotating balls (133) are rotatably mounted inside the inner groove.

6. The grading stone crushing device according to claim 1, characterized in that: A circular groove is provided inside the two sliding frames (14), and the extension shaft (131) is rotatably mounted inside the two circular grooves.

7. The grading stone crushing device according to claim 1, characterized in that: A slide groove is provided inside the box body (11), and the first sieve block (143) and the second sieve block (144) are both slidably connected inside the slide groove.

8. The grading stone crushing device according to claim 2, characterized in that: A square groove is provided inside the box body (11), and the pulling frame (23) is slidably connected inside the square groove.

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