Sand screening device for house building construction

Abstract

The house building construction sand screening device comprises a sand screening box body with a feeding port formed in the upper portion and a sand outlet formed in the lower portion, a cover plate is detachably connected to the upper portion of the sand screening box body, and a sand screening net installed in the sand screening box body comprises an installation screen body and a matched screen body which are detachably installed on the side wall of the sand screening box body and oppositely arranged; the mounting screen and the matching screen are connected to the sand screening box body through a connecting structure; the connecting structure comprises a mounting rod extending to be formed on the side wall of the mounting screen and a matching rod extending to be formed on the side wall of the matching screen, and the mounting rod and the matching rod are detachably connected through the mounting structure and slide on the side wall of the sand screening box body; the mounting structure comprises fixing blocks movably connected to the side walls of the mounting rod and the matching rod, and the fixing blocks can be mounted on the inner side wall of the sand screening box body. According to the sand screening device, the mounting rods and the matching rods are detachably connected to the inner wall of the sand screening box body through the movable fixing blocks correspondingly, so that the sand screening net is more convenient to clean, follow-up sand screening operation is prevented from being hindered, and the efficiency of the sand screening process is improved.

Description

Technical Field

[0001] The present application relates to the technical field of building construction, and in particular to a sand screening device for building construction. Background Art

[0002] Concrete is a commonly used material in existing construction technology. A large amount of fine sand is needed when preparing concrete. However, unscreened sand contains a lot of impurities such as mud and gravel. Therefore, the sand needs to be screened before preparing concrete.

[0003] The existing Chinese patent with announcement number CN212732991U discloses a sand screening device for housing construction engineering, including a frame, a funnel fixedly connected to the upper end of the frame, a first sand screening net and a second sand screening net arranged in the frame, and the first sand screening net is arranged above the second sand screening net.

[0004] Regarding the above-mentioned related technologies, the applicant believes that after the existing sand screening, the sand screening net that intercepts impurities such as mud and gravel needs to be cleaned in time to avoid hindering subsequent sand screening operations. However, the current sand screening net is often fixed and inconvenient to clean, which easily leads to the problem of reduced efficiency of the sand screening process. Utility Model Content

[0005] In order to facilitate the cleaning of the sand screening net, avoid obstruction of subsequent sand screening operations, and improve the efficiency of the sand screening process, the present application provides a sand screening device for building construction.

[0006] The present application provides a building construction sand screening device that adopts the following technical solution:

[0007] A sand screening device for building construction comprises a sand screening box body with a feed inlet at the top and a sand outlet at the bottom, a cover plate detachably connected to the top of the sand screening box body, a sand screening net installed in the sand screening box body, the sand screening net comprising a mounting screen and a matching screen detachably mounted on the side walls of the sand screening box body and arranged opposite to each other, the mounting screen and the matching screen being connected to the sand screening box body via a connecting structure; the connecting structure comprises a mounting rod extending from the side walls of the mounting screen and a matching rod extending from the side walls of the matching screen, the mounting rod and the matching rod being detachably connected to and sliding on the side walls of the sand screening box body via the mounting structure; the mounting structure comprises a fixing block movably connected to the side walls of the mounting rod and the matching rod, and the fixing block can be mounted on the inner side wall of the sand screening box body.

[0008] By adopting the above technical solution, the mounting rod and the matching rod are detachably connected to the inner wall of the sand screening box through movable fixing blocks, thereby making it easier to clean the sand screening net, avoiding obstruction of subsequent sand screening operations, and improving the efficiency of the sand screening process.

[0009] Preferably, the inner side wall of the sand screening box body is respectively connected to abutment blocks at the upper and lower ends of the mounting rod and the matching rod through connecting springs, and the abutment blocks correspondingly abut against the upper and lower ends of the mounting rod and the matching rod.

[0010] By adopting the above technical solution, the reverse movable support of the mounting rod and the matching rod by the connecting spring and the abutment block can make the mounting screen maintain a certain vibration frequency during the sand screening process, thereby improving the sand screening quality.

[0011] Preferably, the mounting structure further includes a tension spring, and the fixed block is respectively connected to the side walls of the mounting rod and the matching rod through the tension spring, and an accommodating groove for accommodating and moving the fixed block is provided on the inner side wall of the sand screening box.

[0012] By adopting the above technical solution, the movement of the fixed block is achieved by stretching the spring, which makes it easy to install and unlock the installation rod and the matching rod on the side wall of the sand screening box, and conveniently realizes the installation and disassembly of the screen and the matching screen for quick cleaning.

[0013] Preferably, the connection structure also includes a lower bending plate and an upper bending plate respectively extending from the side walls close to the installation screen and the matching screen, the lower bending plate and the upper bending plate cooperate with each other, and an insert block inserted into the upper bending plate is fixed on the side wall of the lower bending plate.

[0014] By adopting the above technical solution, the upper bending plate and the lower bending plate cooperate with each other, and the adjacent installation screens and the matching screens are further spliced ​​and fixed to each other through the insert blocks, thereby ensuring the realization of the sand screening process of the sand screening net.

[0015] Preferably, inclined surfaces that are retracted inward toward the accommodating groove are formed on opposite side walls of the fixing block.

[0016] By adopting the above technical solution, the side wall of the fixing block is set as an inclined surface that is retracted inward toward the accommodating groove, which facilitates the installation and unlocking process of the installation rod and the matching rod on the side wall of the sand screening box body.

[0017] Preferably, lifting grooves for the installation rod and the matching rod to lift and slide are respectively provided on the two opposite inner walls of the sand screening box body, and the accommodating groove is opened on the side wall of the lifting groove, the installation rod enters the lifting groove, and the fixed block lifts and slides in the accommodating groove.

[0018] By adopting the above technical solution, the lifting groove provides space for the lifting and lowering of the installation rod and the matching rod. The cooperation between the accommodating groove and the fixed block maintains the connection between the installation rod and the matching rod relative to the sand screening box body. At the same time, the fixed block plays a guiding role when it rises and falls along the accommodating groove, ensuring the up and down vibration stability of the installation screen and the matching screen.

[0019] Preferably, a mounting plate is formed on the upper circumferential extension of the sand screening box body, the cover plate is mounted on the mounting plate and fixed to the mounting plate by a plurality of circumferentially fixed bolts; the feed port is fixed and connected to the cover plate.

[0020] By adopting the above technical solution, the cover plate can be easily disassembled and assembled, and the sand screening net can be easily cleaned by opening the cover plate.

[0021] In summary, this application includes at least one of the following beneficial technical effects:

[0022] The mounting rod and the matching rod are detachably connected to the inner wall of the sand screening box through movable fixing blocks. The movement of the fixing blocks is achieved by tensioning springs, which makes it easy to install and unlock the mounting rod and the matching rod on the side wall of the sand screening box, and conveniently install and disassemble the screen and the matching screen, making it easier to clean the sand screening net, avoiding obstruction of subsequent sand screening operations and improving the efficiency of the sand screening process.

[0023] By connecting the spring and the abutment block to support the mounting rod and the matching rod in reverse motion, the installed screen can maintain a certain vibration frequency during the sand screening process, thereby improving the sand screening quality;

[0024] The upper bending plate and the lower bending plate cooperate with each other, and the adjacent installation screens and the matching screens are further spliced ​​and fixed to each other through the insert blocks, thereby ensuring the realization of the sand screening process of the sand screening net. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural diagram of an embodiment of the present application;

[0026] Figure 2 It is a schematic diagram of a partial cross-section structure highlighting the connection between the installation screen and the matching screen of an embodiment of the present application;

[0027] Figure 3 It is a schematic diagram of a partial cross-section structure highlighting the fixed block and the mounting rod of the embodiment of the present application movable within the sand screening box body;

[0028] Figure 4 It is a schematic structural diagram of the fixed block and the tension spring of an embodiment of the present application.

[0029] Explanation of the accompanying symbols: 1. Sand screening box body; 11. Lifting slot; 12. Accommodating slot; 2. Cover plate; 3. Sand screening net; 31. Mounting screen; 32. Matching screen; 4. Mounting plate; 5. Bolt; 6. Connecting structure; 61. Mounting rod; 62. Matching rod; 63. Lower bending plate; 64. Upper bending plate; 7. Mounting structure; 71. Fixing block; 72. Tension spring; 8. Insert block; 9. Connecting spring; 10. Abutment block. DETAILED DESCRIPTION

[0030] The present application is further described in detail below with reference to the accompanying drawings.

[0031] The present application discloses a sand screening device for building construction, referring to Figure 1 、 2 It includes a sand screening box body 1 with a feed inlet on the top and a sand outlet on the bottom. A cover plate 2 is detachably connected to the top of the sand screening box body 1. The feed inlet is fixed and connected to the cover plate 2. A sand screening net 3 is installed in the sand screening box body 1. The sand screening net 3 can be easily cleaned by opening the cover plate 2.

[0032] Reference Figure 1 The upper side wall of the sand screening box body 1 extends outward in the circumferential direction to form a mounting plate 4, the cover plate 2 is mounted on the mounting plate 4, and is fixed to the mounting plate 4 by a number of circumferentially fixed bolts 5, so that the cover plate 2 can be easily disassembled and assembled.

[0033] Reference Figure 1 、 2 The sand screening net 3 includes an installation screen 31 and a matching screen 32 which are detachably mounted on the side wall of the sand screening box body 1 and are arranged opposite to each other. The installation screen 31 and the matching screen 32 are connected to the sand screening box body 1 through a connecting structure 6; the connecting structure 6 includes an installation rod 61 extending from the side wall of the installation screen 31 and a matching rod 62 extending from the side wall of the matching screen 32. The installation rod 61 and the matching rod 62 are respectively arranged opposite to each other on the opposite sides of the installation screen 31 and the matching screen 32 to maintain stability in the connection to the sand screening box body 1.

[0034] Reference Figure 2 、 3 The mounting rod 61 and the matching rod 62 are detachably connected and slide on the side wall of the sand screening box body 1 through the mounting structure 7. The two opposite inner walls of the sand screening box body 1 are respectively provided with lifting grooves 11 for the mounting rod 61 and the matching rod 62 to rise and fall.

[0035] Reference Figure 2 、 3 The locking cam 72 is fixed to the locking cam 76 and is secured to the locking cam 76 via the spring 72 configured to lock the locking cam 76. The locking cam 76 is secured to the sides of the stand 70 and the fans 73. The locking cam 76 is secured to the fans 73 via the spring 72 configured to lock the stand 70.

[0036] Reference Figure 2 、 4The opposite side walls of the fixing block 71 form inclined surfaces that are retracted inward toward the accommodating groove 12, which facilitates the installation and unlocking process of the mounting rod 61 and the matching rod 62 on the side wall of the sand screening box body 1.

[0037] Reference Figure 2 The connecting structure 6 also includes a lower bent plate 63 and an upper bent plate 64 respectively extending from the side walls close to the mounting screen 31 and the matching screen 32. The lower bent plate 63 cooperates with the upper bent plate 64, and an insert block 8 inserted into the upper bent plate 64 is fixed on the side wall of the lower bent plate 63. When the mounting rod 61 is installed on the side wall of the sand screening box 1 through the fixing block 71, the insert block 8 is inserted into the upper bent plate 64 and fixed; thereby, the adjacent mounting screen 31 and matching screen 32 are spliced ​​and fixed to each other, ensuring the realization of the sand screening process of the sand screening net 3.

[0038] Reference Figure 2 The inner side walls of the sand screening box 1 are respectively located at the upper and lower ends of the mounting rod 61 and the matching rod 62, and are connected with abutment blocks 10 through connecting springs 9. The abutment blocks 10 correspondingly abut the upper and lower ends of the mounting rod 61 and the matching rod 62; through holes for the movement of the mounting rod 61 and the matching rod 62 are respectively provided on the opposite side walls of the sand screening box 1; the reverse movement support of the mounting rod 61 and the matching rod 62 by the connecting springs 9 and the abutment blocks 10 can enable the installation screen 31 to maintain a certain vibration frequency during the sand screening process, thereby improving the quality of sand screening; it should be pointed out that the abutment blocks 10 are blocked at the through holes to reduce the entry of sand and stones, and a sand discharge channel can also be opened in the side walls of the sand screening box 1 to collect sand to the sand outlet.

[0039] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A sand screening device for building construction, comprising a sand screening box (1) with a feed inlet at the top and a sand outlet at the bottom, characterized in that: The sand screening box (1) is detachably connected to a cover plate (2) above the sand screening box body (1), and a sand screening net (3) is installed in the sand screening box body (1). The sand screening net (3) includes a mounting screen (31) and a matching screen (32) which are detachably mounted on the side wall of the sand screening box body (1) and are arranged opposite to each other. The mounting screen (31) and the matching screen (32) are connected to the sand screening box body (1) through a connecting structure (6); the connecting structure (6) includes a mounting rod (61) extending from the side wall of the mounting screen (31) and a matching rod (62) extending from the side wall of the matching screen (32); the mounting rod (61) and the matching rod (62) are detachably connected and slide on the side wall of the sand screening box body (1) respectively through a mounting structure (7); the mounting structure (7) includes a fixing block (71) movably connected to the side walls of the mounting rod (61) and the matching rod (62), and the fixing block (71) can be installed on the inner side wall of the sand screening box body (1).

2. A sand screening device for building construction according to claim 1, characterized in that: The inner side wall of the sand screening box (1) is respectively connected to abutment blocks (10) at the upper and lower ends of the mounting rod (61) and the matching rod (62) through connecting springs (9), and the abutment blocks (10) are respectively abutted against the upper and lower ends of the mounting rod (61) and the matching rod (62).

3. A sand screening device for building construction according to claim 1, characterized in that: The mounting structure (7) further includes a tension spring (72), and the fixing block (71) is respectively connected to the side walls of the mounting rod (61) and the matching rod (62) via the tension spring (72). An accommodating groove (12) for accommodating and moving the fixing block (71) is provided on the inner side wall of the sand screening box body (1).

4. A sand screening device for building construction according to claim 1, characterized in that: The connecting structure (6) further comprises a lower bending plate (63) and an upper bending plate (64) respectively extending from the side walls adjacent to the mounting screen (31) and the matching screen (32); the lower bending plate (63) and the upper bending plate (64) cooperate with each other, and an inserting block (8) inserted into the upper bending plate (64) is fixed on the side wall of the lower bending plate (63).

5. The sand screening device for building construction according to claim 1, characterized in that: The two opposite side walls of the fixing block (71) are formed with inclined surfaces that are retracted inwards towards the accommodating groove (12).

6. The sand screening device for building construction according to claim 2, characterized in that: The two opposite inner side walls of the sand screening box body (1) are respectively provided with lifting grooves (11) for the installation rod (61) and the matching rod (62) to lift and slide. The accommodating groove (12) is provided on the side wall of the lifting groove (11). The installation rod (61) enters the lifting groove (11), and the fixing block (71) lifts and slides in the accommodating groove (12).

7. The sand screening device for building construction according to claim 1, characterized in that: The upper portion of the sand screening box body (1) is circumferentially extended to form a mounting plate (4), the cover plate (2) is mounted on the mounting plate (4) and is fixed to the mounting plate (4) by a plurality of circumferentially fixed bolts (5); the feed port is fixed to and communicated with the cover plate (2).

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