Size-adjustable sand screening machine for constructional engineering

Abstract

The utility model discloses a specification-adjustable sand screening machine for constructional engineering. The specification-adjustable sand screening machine comprises a dismounting mechanism, and the bottom side of the dismounting mechanism is fixedly connected to the top end of a second rack; a reciprocating mechanism and a driving motor mounted on one side of the reciprocating mechanism are arranged at the bottom of the dismounting mechanism; the dismounting mechanism comprises a sand screening frame, positioning blocks are connected to the left end and the right end of the top of the sand screening frame in a clamped mode, a plug pin is connected to one end of each positioning block in an attached mode, and a fixing block is fixedly connected to the side, away from the plug pin, of each positioning block. Wherein a connecting block is slidably connected to the interior of the fixing block, a first spring is fixedly connected to the top of the connecting block, a button is connected to the top of the first spring in an attached mode, by arranging the dismounting mechanism, the filter screen can be replaced, meanwhile, sand of three specifications can be screened out at a time, and the working efficiency is improved; and the reciprocating mechanism is arranged to quickly drive the sand screening frame to move left and right, so that the sand is screened.

Description

Technical Field

[0001] The utility model relates to the technical field of construction engineering, in particular to a sand screening machine for construction engineering with adjustable specifications. Background Art

[0002] Sand is an indispensable material in construction projects. A large amount of sand screening is often required in construction projects to remove large particles of sand and some impurities in the sand, thereby improving the purity of the material and increasing the quality of the construction project.

[0003] Publication No. CN215997507U discloses an adjustable sand screening device for construction engineering. By setting a sand turning roller, after the servo motor is started, the motor shaft drives the eccentric wheel to rotate, so that the matching ring sleeve moves back and forth left and right under the guidance of the linkage rod and the guide sleeve, driving the screen box to reciprocate left and right between the inner walls of the machine body, and the sand turning roller is driven to rotate between the inner walls of the screen box through the meshing transmission of the fixed rack and the matching gear, so that the sand turning gear rod turns the sand inside the screen box, turning the compacted and solidified sand into a soft state, preventing the sand with smaller particles from failing to pass through the screen quickly, resulting in the clogging of the screen. However, the patent still has the following problems in actual use:

[0004] Although the adjustable sand screening device for construction projects drives the sand turning roller to rotate between the inner side walls of the screen box through the meshing transmission of the fixed rack and the matching gear, and then the sand turning gear rod turns the sand inside the screen box, turning the compacted and solidified sand into a loose state, preventing smaller particles of sand from failing to pass through the screen quickly, it is still unable to screen out sand of various specifications at the same time, thus reducing the effectiveness of the sand, and it is also inconvenient to replace the screen.

[0005] A sand screening machine for construction engineering with adjustable specifications is proposed to solve the above-mentioned problems. Utility Model Content

[0006] The utility model aims to provide a sand screening machine for construction projects with adjustable specifications, so as to solve the problems proposed in the above-mentioned background technology that the sand turning roller is driven to rotate between the inner walls of the screen box by meshing the fixed rack and the matching gear, so that the sand turning gear rod turns the sand inside the screen box, and turns the compacted and solidified sand into a loose state to prevent smaller particles of sand from failing to pass through the screen quickly, but multiple specifications of sand cannot be screened out at the same time, which reduces the effectiveness of the sand and is also inconvenient to replace the screen.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sand screening machine for construction engineering with adjustable specifications, comprising a disassembly mechanism, and the bottom side of the disassembly mechanism is fixedly connected to the top end of the second rack;

[0008] The bottom of the disassembly mechanism is provided with a reciprocating mechanism and a driving motor installed on one side of the reciprocating mechanism;

[0009] Also includes:

[0010] The disassembly mechanism comprises a sand screening frame, the left and right ends of the top of the sand screening frame are both connected with positioning blocks, one end of the positioning block is connected with a latch, and the side of the positioning block away from the latch is fixedly connected with a fixing block;

[0011] The fixing block is slidably connected to the connecting block inside, the top of the connecting block is fixedly connected to the first spring, the top of the first spring is fitted with a button, the inner wall of the button is slidably connected to the connecting block, and the outer side of the button is slidably connected to the fixing block;

[0012] Among them, the left and right ends of the bottom side of the button are both fitted and connected with the first steel ball, one side of the first steel ball is fitted and connected with the connecting block, and the connecting block is sleeved with a second spring below the first steel ball.

[0013] Preferably, a limiting groove is provided inside the connecting block away from one end of the first spring, the limiting groove is internally slidably connected to the limiting block, the limiting groove is fitted with second steel balls on both sides close to the limiting block, and the second steel ball is fitted with the fixed block on the side away from the limiting block.

[0014] Preferably, the end of the limiting block away from the second steel ball is fixedly connected to the first screen, the second screen is arranged inside the first screen, and the top of the second screen is fixedly connected to the positioning block.

[0015] Preferably, the reciprocating mechanism comprises a base, one side of the base is fixedly connected to the driving motor, and the output end of the driving motor passes through the base and is fixedly connected to the first connecting rod.

[0016] Preferably, one end of the first connecting rod away from the driving motor is rotatably connected to the second connecting rod, and one end of the second connecting rod away from the first connecting rod is rotatably connected to a gear.

[0017] Preferably, one side of the gear is meshedly connected with a first rack, one side of the first rack is fixedly connected to the base, a first through hole is opened above the base, a first cylinder is slidably connected inside the first through hole, and a second rack is fixedly connected to the outer side of the first cylinder.

[0018] Preferably, one side of the second rack is meshedly connected with the gear, the base is provided with a second through hole below the first through hole, a second cylinder is slidably connected inside the second through hole, and one end of the second cylinder is rotatably connected with the gear.

[0019] Compared with the prior art, the utility model has the following beneficial effects: the sand screening machine for construction engineering with adjustable specifications can not only replace the filter screen by setting a disassembly mechanism, but also can screen three specifications of sand at one time, thereby improving the working efficiency; and the sand screening frame can be quickly driven to move left and right by setting a reciprocating mechanism, thereby screening the sand. The specific contents are as follows:

[0020] 1. By setting up the disassembly mechanism, not only can the filter be replaced, but also three specifications of sand can be screened out at one time, which improves the work efficiency. The positioning block can be fixed by the limiting effect of the latch, so that the first screen and the second screen can be fixed. By pressing the button downward to drive the first spring and the second spring to be compressed, and by using the cooperation between the first steel ball, the connecting block and the button, the connecting block can be driven to move upward in the fixed block, so that the limiting position of the fixed block on the second steel ball can be released, so that the limiting block and the second steel ball are separated, and the first screen can be disassembled. By using the different specifications of the first screen and the second screen, sand of different sizes can be screened out;

[0021] 2. By setting up a reciprocating mechanism, the sand screening frame can be quickly driven to move left and right, so as to screen the sand. The first connecting rod is driven to rotate by a driving motor, so as to drive the second connecting rod to rotate around the first connecting rod. The second through hole is used to limit the gear, so as to drive the gear to move left and right in the horizontal direction. The meshing action between the first rack and the gear is used to drive the gear to rotate. The meshing action between the gear and the second rack is used to drive the second rack to move left and right inside the first through hole, so as to drive the sand screening frame to move left and right to screen the sand. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the front cross-section structure of the utility model;

[0023] Figure 2 For this utility model Figure 1 A schematic diagram of the enlarged structure of the reciprocating mechanism;

[0024] Figure 3 This is a schematic diagram of the structure of the second rack in the utility model in a moving state;

[0025] Figure 4 For this utility model Figure 1 Middle 1 is an enlarged structural diagram;

[0026] Figure 5 This is a schematic diagram of the structure of the second spring in the compressed state of the utility model.

[0027] In the figure: 1. disassembly mechanism; 101. sand screening frame; 102. positioning block; 103. latch; 104. fixing block; 105. connecting block; 106. first spring; 107. button; 108. first steel ball; 109. second spring; 110. limiting groove; 111. limiting block; 112. second steel ball; 113. first screen; 114. second screen; 2. reciprocating mechanism; 201. base; 202. driving motor; 203. first connecting rod; 204. second connecting rod; 205. gear; 206. first rack; 207. first through hole; 208. first cylinder; 209. second rack; 210. second through hole; 211. second cylinder. DETAILED DESCRIPTION

[0028] 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 implementation regulations described 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.

[0029] See also Figure 1-5 The utility model provides a technical solution: a sand screening machine for construction engineering with adjustable specifications, comprising a disassembly mechanism 1, and the bottom side of the disassembly mechanism 1 is fixedly connected to the top of the second rack 209; a reciprocating mechanism 2 and a driving motor 202 installed on one side of the reciprocating mechanism 2 are arranged at the bottom of the disassembly mechanism 1; the disassembly mechanism 1 comprises a sand screening frame 101, and the left and right ends of the top of the sand screening frame 101 are both engaged with positioning blocks 102, one end of the positioning block 102 is closely connected with a latch 103, and the side of the positioning block 102 away from the latch 103 is fixedly connected with a fixing block 104, and the latch 103 is slidably connected to the sand screening frame 101;

[0030] The interior of the fixed block 104 is slidably connected with the connecting block 105, the top of the connecting block 105 is fixedly connected with the first spring 106, the top of the first spring 106 is fitted with a button 107, the inner wall of the button 107 is slidably connected with the connecting block 105, and the outer side of the button 107 is slidably connected with the fixed block 104. By providing the first spring 106, it can be ensured that the button 107 does not squeeze the first steel ball in a normal state;

[0031] The left and right ends of the bottom side of the button 107 are both fitted and connected with the first steel ball 108, one side of the first steel ball 108 is fitted and connected with the connecting block 105, and the connecting block 105 is sleeved with a second spring 109 below the first steel ball 108. A fixing plate is provided below the first steel ball 108 to limit the position of the first steel ball 108, so that the connecting block 105 can move upward along the surface of the first steel ball 108 inside the fixing block 104. By providing the second spring 109, it can be ensured that the second steel ball 112 is in a clamping state with the limit block 111 under normal conditions;

[0032] A limiting groove 110 is provided inside the connecting block 105 at one end away from the first spring 106, and a limiting block 111 is slidably connected inside the limiting groove 110. The left and right sides of the limiting groove 110 close to the limiting block 111 are both fitted and connected with a second steel ball 112, and the side of the second steel ball 112 away from the limiting block 111 is fitted and connected with the fixing block 104. The cooperation among the second steel ball 112, the limiting block 111 and the fixing block 104 can ensure that the position of the limiting block 111 does not change.

[0033] The first screen 113 is fixedly connected to one end of the limiting block 111 away from the second steel ball 112, the second screen 114 is arranged inside the first screen 113, the top of the second screen 114 is fixedly connected to the positioning block 102, and the mesh of the first screen 113 is smaller than that of the second screen 114;

[0034] The reciprocating mechanism 2 includes a base 201, one side of the base 201 is fixedly connected to a driving motor 202, an output end of the driving motor 202 passes through the base 201 and is fixedly connected to a first connecting rod 203, and the first connecting rod 203 is driven to rotate by the driving motor 202;

[0035] One end of the first connecting rod 203 away from the driving motor 202 is rotatably connected to the second connecting rod 204, and one end of the second connecting rod 204 away from the first connecting rod 203 is rotatably connected to the gear 205. One side of the gear 205 is meshingly connected to the first rack 206, and one side of the first rack 206 is fixedly connected to the base 201. A first through hole 207 is opened on the top of the base 201. The first through hole 207 is slidably connected to the inside of the first through hole 207. The outer side of the first cylinder 208 is fixedly connected to the second rack 209. The second through hole 210 is used to limit the gear 205, thereby driving the gear 205 to move left and right in the horizontal direction, and the meshing effect between the first rack 206 and the gear 205 is used to drive the gear 205 to rotate.

[0036] One side of the second rack 209 is meshed with the gear 205, and a second through hole 210 is provided at the bottom of the base 201 near the first through hole 207. A second cylinder 211 is slidably connected inside the second through hole 210, and one end of the second cylinder 211 is rotatably connected to the gear 205. The meshing action between the gear 205 and the second rack 209 can drive the second rack 209 to move left and right inside the first through hole 207, thereby driving the sand screening frame 101 to move left and right, and the sand can be screened.

[0037] Working principle: Before using this adjustable sand screening machine for construction projects, you need to check the overall condition of the device to make sure it can work normally. Figure 1 - Figure 5 As shown, first, pour sand into the second screen 114, then start the driving motor 202 to drive the first connecting rod 203 to rotate, thereby driving the second connecting rod 204 to rotate around the first connecting rod 203, and utilizing the limiting effect of the second through hole 210 on the gear 205, thereby driving the gear 205 to move left and right in the horizontal direction, utilizing the meshing effect between the first rack 206 and the gear 205, thereby driving the gear 205 to rotate, utilizing the meshing effect between the gear 205 and the second rack 209, thereby driving the second rack 209 to move left and right inside the first through hole 207, thereby driving the sand screening frame 101 to move left and right, and the sand can be screened;

[0038] Secondly, when the first screen 113 needs to be replaced, first pull out the pin 103 to release the limit of the pin 103 on the positioning block 102, and then take the first screen 113 and the second screen 114 out of the sand screening frame 101, and then press the button 107 downward, and use the cooperation between the first steel ball 108, the connecting block 105 and the button 107 to drive the connecting block 105 to move upward in the fixed block 104, so as to release the limit of the fixed block 104 on the second steel ball 112, so that the limit block 111 and the second steel ball 112 are separated, and the first screen 113 can be disassembled.

[0039] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A sand screening machine for construction engineering with adjustable specifications, comprising a disassembly mechanism (1), wherein the bottom side of the disassembly mechanism (1) is fixedly connected to the top end of a second rack (209); The bottom of the disassembly mechanism (1) is provided with a reciprocating mechanism (2), and a driving motor (202) installed on one side of the reciprocating mechanism (2); It is characterized in that Also includes: The disassembly mechanism (1) comprises a sand screening frame (101), the left and right ends of the top of the sand screening frame (101) are both snap-connected with positioning blocks (102), one end of the positioning block (102) is snap-connected with a latch (103), and the side of the positioning block (102) away from the latch (103) is fixedly connected with a fixing block (104); The interior of the fixed block (104) is slidably connected to a connecting block (105); the top of the connecting block (105) is fixedly connected to a first spring (106); the top of the first spring (106) is fittedly connected to a button (107); the inner wall of the button (107) is slidably connected to the connecting block (105); and the outer side of the button (107) is slidably connected to the fixed block (104); The left and right ends of the bottom side of the button (107) are both fitted and connected with a first steel ball (108), one side of the first steel ball (108) is fitted and connected with a connecting block (105), and a second spring (109) is sleeved below the connecting block (105) near the first steel ball (108).

2. The sand screening machine for construction engineering with adjustable specifications according to claim 1, characterized in that: A limiting groove (110) is provided inside the connection block (105) at one end away from the first spring (106); the limiting groove (110) is slidably connected to the limiting block (111); the limiting groove (110) is fitted and connected to the left and right sides of the limiting block (111) close to the limiting block (111); and the second steel ball (112) is fitted and connected to the fixed block (104) at one side away from the limiting block (111).

3. The sand screening machine for construction engineering with adjustable specifications according to claim 2 is characterized by: One end of the limiting block (111) away from the second steel ball (112) is fixedly connected to a first screen (113), a second screen (114) is arranged inside the first screen (113), and the top end of the second screen (114) is fixedly connected to the positioning block (102).

4. The sand screening machine for construction engineering with adjustable specifications according to claim 1, characterized in that: The reciprocating mechanism (2) comprises a base (201), one side of the base (201) is fixedly connected to a driving motor (202), and an output end of the driving motor (202) passes through the base (201) and is fixedly connected to a first connecting rod (203).

5. The sand screening machine for construction engineering with adjustable specifications according to claim 4, characterized in that: One end of the first connecting rod (203) away from the driving motor (202) is rotatably connected to the second connecting rod (204), and one end of the second connecting rod (204) away from the first connecting rod (203) is rotatably connected to the gear (205).

6. The sand screening machine for construction engineering with adjustable specifications according to claim 5, characterized in that: One side of the gear (205) is meshedly connected with a first rack (206), one side of the first rack (206) is fixedly connected to the base (201), a first through hole (207) is provided above the base (201), a first cylinder (208) is slidably connected inside the first through hole (207), and a second rack (209) is fixedly connected to the outer side of the first cylinder (208).

7. The sand screening machine for construction engineering with adjustable specifications according to claim 6, characterized in that: One side of the second rack (209) is meshedly connected to the gear (205); a second through hole (210) is provided on the base (201) below the first through hole (207); a second cylinder (211) is slidably connected inside the second through hole (210); one end of the second cylinder (211) is rotatably connected to the gear (205).

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