Sand screening device for concrete processing
By introducing crushing components and driving parts into the sand screening device, the reciprocating vibration force of the screen is used to break up wet and clump-like sand, which solves the problem of low screening efficiency and achieves high-efficiency screening and reduced energy consumption.
Patent Information
- Application Number
- CN202520701341.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-15
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-15
AI Technical Summary
Existing sand screening devices struggle to effectively break up clumps of wet, clump-like sand, resulting in low screening efficiency.
A sand screening device for concrete processing was designed, comprising a crushing component and a driving component. The crushing component breaks up clumps of sand through crushing rods and baffles on the screen, while the driving component utilizes the reciprocating vibration force of the screen to achieve the crushing effect without the need for additional power.
It effectively breaks up damp, clumped sand, improves screening efficiency, and reduces energy consumption and equipment complexity.
Smart Images
Figure CN223946194U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sand screening device technical field, especially a sand screening device for concrete processing. BACKGROUND
[0002] In the concrete processing process, sand screening is a crucial link, and concrete is a kind of artificial stone, mainly by cement, water, sand, stone and other materials mixed in a certain proportion, wherein the quality of sand directly affects the performance of concrete, so it is necessary to screen sand, thereby improving the quality of sand, however, in practical application, the problem of wet and caked sand is often encountered, which not only affects the sand screening efficiency, but also may cause the caked sand to be screened out due to impurities and caking, thereby causing waste of sand.
[0003] The traditional sand screening device often appears to be unable to cope with the wet and caked sand, on the one hand, the fixed screen mesh is difficult to effectively break the caking, resulting in low screening efficiency, on the other hand, although some devices are equipped with breaking mechanism, but these mechanisms usually need additional power drive, which not only increases the energy consumption, but also improves the complexity and maintenance cost of the equipment. SUMMARY
[0004] The purpose of this section is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.
[0005] In view of the above and / or existing problems in the sand screening device for concrete processing, the utility model is proposed.
[0006] Therefore, the problem to be solved by the utility model is that the existing sand screening device is difficult to effectively break the caking when facing wet and caked sand, resulting in low screening efficiency.
[0007] To solve the above technical problems, the utility model provides the following technical scheme: a sand screening device for concrete processing, comprising a main body assembly, a machine shell, a support body fixed on the inner wall of the machine shell, a reciprocating frame sliding on the top of the support body, a screen mesh fixed in the reciprocating frame.
[0008] The broken assembly is arranged on the screen and comprises a support plate fixed in the screen, a guide plate fixed on the top of the support plate, a support sleeve fixed in the support plate, a rotating column rotatably connected in the support sleeve, a connecting rod fixed on the surface of the rotating column, an installation piece inserted in the connecting rod, an elastic rod fixed on one side of the installation piece, a broken rod fixed on one side of the elastic rod, and a positioning bolt threadedly connected with the connecting rod, and a blocking strip is fixed on the top of the support plate.
[0009] As a preferred scheme of the sand screening device for concrete processing, the broken assembly further comprises a driving member arranged at the bottom of the support plate, a support shell fixed at the bottom of the support plate, a rack slidingly arranged in the support shell, a rotating gear fixed on the surface of the rotating column, and the rotating gear is engaged with the rack.
[0010] As a preferred scheme of the sand screening device for concrete processing, the driving member further comprises a support column fixed in the support plate, an adjusting gear rotatably connected on the surface of the support column, and the adjusting gear is engaged with the rack.
[0011] As a preferred scheme of the sand screening device for concrete processing, the adjusting gear is fixed with a swing rod at the surface, a counterweight is rotatably connected at the end of the swing rod, a support frame is fixed at the bottom of the support plate, and the swing rod is moved on the top of the support frame.
[0012] As a preferred scheme of the sand screening device for concrete processing, the driving member further comprises a support block fixed at the bottom of the support plate, a first spring fixed on one side of the support block, and the other end of the first spring is fixed on the end of the swing rod.
[0013] As a preferred scheme of the sand screening device for concrete processing, the main assembly further comprises a blocking plate fixed in the shell, sliding sleeves fixed on both sides of the reciprocating frame, a positioning sleeve fixed in the shell, and the sliding sleeves slide in the positioning sleeve.
[0014] As a preferred scheme of the sand screening device for concrete processing, a feeding chute is fixed in the shell, a conveying belt is arranged below the feeding chute, and a screening groove is fixed in the shell.
[0015] As a preferred scheme of the sand screening device for concrete processing, the main assembly further comprises a power member arranged on one side of the shell, a fixing frame fixed in the shell, a rotating shaft rotatably connected in the fixing frame, a worm fixed on the surface of the rotating shaft, a driving motor fixed on one side of the shell, and the rotating shaft is fixed on the output end of the driving motor.
[0016] As a preferred scheme of the sand screening device for concrete processing, the power member further comprises a rotating rod rotatably connected to the shell, and a worm wheel is fixed to an end of the rotating rod.
[0017] As a preferred scheme of the sand screening device for concrete processing, the power member further comprises a driving column fixed to one side of the worm wheel, a pushing column is fixed to one side of the reciprocating frame, and a connecting plate is rotatably connected to surfaces of the driving column and the pushing column, and a protective cover is fixed to one side of the shell.
[0018] The sand screening device for concrete processing has the following beneficial effects: the crushing assembly can crush the wet and caked sand, thereby ensuring that the sand is effectively crushed while passing through the screen; secondly, the driving member works by using the reciprocating vibration force of the screen during the screening process, and no additional power is needed to drive the crushing assembly to crush the caked sand, thereby reducing energy consumption and equipment complexity. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor. Among them:
[0020] Figure 1 It is a structural view of the sand screening device for concrete processing.
[0021] Figure 2 It is a side view structural view of the sand screening device for concrete processing.
[0022] Figure 3 It is a Figure 2 cutaway structural view of the sand screening device for concrete processing at A-A.
[0023] Figure 4 It is a support body structural view of the sand screening device for concrete processing.
[0024] Figure 5 It is a Figure 4 local enlarged structural view of the sand screening device for concrete processing at B.
[0025] Figure 6 It is a reciprocating frame local cutaway structural view of the sand screening device for concrete processing.
[0026] Figure 7 It is a support plate cutaway structural view of the sand screening device for concrete processing.
[0027] Figure 8 The drawing is a bottom structure view of a crushing assembly of the sand screening device for concrete processing.
[0028] Figure 9 The drawing is a crushing rod structure view of the sand screening device for concrete processing.
[0029] Figure 10 The drawing is a sectional structure view of an elastic rod of the sand screening device for concrete processing.
[0030] Figure 11 The drawing is a counterweight structure view of the sand screening device for concrete processing.
[0031] In the drawing: the main assembly 100; the casing 101; the support body 102; the reciprocating frame 103; the screen 104; the crushing assembly 200; the support plate 201a; the guide plate 201b; the support sleeve 201c; the rotating column 201d; the connecting rod 201e; the mounting piece 201f; the elastic rod 201g; the crushing rod 201h; the positioning bolt 201i; the baffle 201j; the driving piece 202; the support shell 202a; the rack 202b; the rotating gear 202c; the support column 202d; the adjusting gear 202e; the swing rod 202f; the counterweight 202g; the support frame 202h; the support block 202i; the first spring 202j; the material blocking plate 105; the sliding sleeve 106; the positioning sleeve 107; the discharging chute 108; the conveying belt 109; the screening groove 110; the power piece 111; the fixed frame 111a; the rotating shaft 111b; the worm 111c; the driving motor 111d; the rotating rod 111e; the worm gear 111f; the driving column 111g; the pushing column 111h; the connecting plate 111i; the protective cover 111j. DETAILED DESCRIPTION
[0032] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and understandable, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.
[0033] In the following description, a large number of specific details are set forth in order to facilitate a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.
[0034] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. "In one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments.
[0035] Example 1
[0036] Referring to Figures 1-11 , the first embodiment of the utility model provides a sand screening device for concrete processing, sand screening device for concrete processing includes main part assembly 100, including the casing 101, the inner wall of casing 101 is fixed with support 102, the number of support 102 has multiple, and is provided on the inner wall of both sides of casing 101, support 102 top sliding has reciprocating frame 103, to support reciprocating frame 103, reciprocating frame 103 is fixed with screen 104, screen 104 surface is provided with hole, is used for screening sand, reciprocating frame 103 is moved back and forth, can drive screen 104 to move back and forth, so that screen 104 screens sand, screen 104 is arranged obliquely, can make the sand on the top of screen 104 slide down along the direction of inclination.
[0037] Crushing assembly 200 is arranged on screen 104, including support plate 201a fixed in screen 104, support plate 201a top is fixed with guide plate 201b, guide plate 201b is used for guiding sand, so that sand can fall from guide plate 201b, support plate 201a is fixed with support sleeve 201c in, support sleeve 201c is rotatably connected with rotating column 201d, so that rotating column 201d can stably rotate, rotating column 201d surface is fixed with connecting rod 201e, when rotating column 201d rotates, connecting rod 201e can be swung, connecting rod 201e is inserted with mounting piece 201f, mounting piece 201f one side is fixed with elastic rod 201g, elastic rod 201g has elasticity, can be bent to a certain extent, elastic rod 201g one side is fixed with crushing rod 201h, crushing rod 201h is used for breaking up blocky sand, connecting rod 201e is provided with positioning bolt 201i connected by screw thread, mounting piece 201f is extruded by positioning bolt 201i, so that mounting piece 201f is fixed in connecting rod 201e, to fix elastic rod 201g, support plate 201a top is fixed with baffle 201j, the number of baffle 201j has multiple, when crushing rod 201h swings, crushing rod 201h can move back and forth on the top of baffle 201j, so that when blocky sand falls between baffle 201j on the top of support plate 201a, baffle 201j can block blocky sand when crushing rod 201h crushes blocky sand, so as to improve the crushing effect of crushing rod 201h on blocky sand.
[0038] Crushing assembly 200 is used, user can set multiple on screen 104 according to own needs, so that the sand of agglomeration can be crushed in multiple stages, so that the sand of agglomeration is fully crushed.
[0039] In use, the sand to be screened is delivered to the top of the screen 104, and at this time, under the reciprocating movement of the reciprocating frame 103, the sand at the top of the screen 104 can slide downward along the inclined direction of the screen 104, and this process can screen the sand, and the blocky sand can move to the top of the support plate 201a, and at this time, the crushing rod 201h reciprocates, and when the blocky sand falls between the blocking bars 201j on the top of the support plate 201a, the blocking bars 201j can block the blocky sand when the crushing rod 201h crushes the blocky sand, thereby improving the crushing effect of the crushing rod 201h on the blocky sand, so that the sand screening device can thoroughly screen the sand, and the probability of screening out the blocky sand can be greatly reduced.
[0040] Embodiment 2
[0041] With reference to Figures 1-11 For the second embodiment of the utility model, the embodiment is based on the previous embodiment.
[0042] Specifically, the crushing assembly 200 further comprises a driving member 202 arranged at the bottom of the support plate 201a, and the driving member 202 comprises a support shell 202a fixed to the bottom of the support plate 201a, and a rack 202b slidably arranged in the support shell 202a, and the number of the support shell 202a is multiple, and the support shell 202a is used for supporting the rack 202b, so that the rack 202b can stably reciprocate, and a rotating gear 202c is fixed to the surface of the rotating column 201d, and the rotating gear 202c is engaged with the rack 202b, and when the rack 202b is reset, the rotating gear 202c can be reset, so that the rotating gear 202c drives the rotating column 201d to reciprocate, thereby driving the crushing rod 201h to reciprocate.
[0043] Specifically, the driving member 202 further comprises a support column 202d fixed to the support plate 201a, and the support column 202d is rotatably connected with an adjusting gear 202e, and the support column 202d is used for supporting the adjusting gear 202e, so that the adjusting gear 202e can stably rotate, and the adjusting gear 202e is engaged with the rack 202b, and when the adjusting gear 202e reciprocates, the rack 202b can reciprocate.
[0044] Specifically, the surface of the adjusting gear 202e is fixed with a swing lever 202f, the end of the swing lever 202f is rotatably connected with a counterweight 202g, the bottom of the supporting plate 201a is fixed with a supporting frame 202h, the swing lever 202f is located at the top of the supporting frame 202h and moves, so that the swing lever 202f has sufficient supporting force to support the counterweight 202g, the counterweight 202g can drive the adjusting gear 202e to rotate through the swing lever 202f, when the reciprocating frame 103 drives the screen 104 to move back and forth quickly, the counterweight 202g has a hysteresis due to its inertia, and at this time the screen 104 moves, so that the supporting column 202d drives the adjusting gear 202e to move synchronously, so that the counterweight 202g drives the adjusting gear 202e to rotate, so that the adjusting gear 202e drives the rack 202b to move.
[0045] Specifically, the driving piece 202 further includes a supporting block 202i fixed to the bottom of the supporting plate 201a, the supporting block 202i is fixed with a first spring 202j on one side, the other end of the first spring 202j is fixed to the end of the swing lever 202f, the first spring 202j is in a stretched state, and through the tension of the first spring 202j, the swing lever 202f can be reset, so that the crushing rod 201h is reset.
[0046] When the reciprocating frame 103 drives the screen 104 to move back and forth quickly, the counterweight 202g has a hysteresis due to its inertia, and at this time the screen 104 moves, so that the supporting column 202d drives the adjusting gear 202e to move synchronously, so that the counterweight 202g drives the adjusting gear 202e to rotate back and forth through the swing lever 202f, so that the adjusting gear 202e drives the rack 202b to move back and forth, so that the rack 202b drives the rotating gear 202c to reset rotation, so that the rotating gear 202c drives the rotating column 201d to rotate back and forth, so that the crushing rod 201h is reset and swings.
[0047] Embodiment 3
[0048] Referring to Figures 1-11 For the third embodiment of the utility model, the embodiment is based on the previous two embodiments.
[0049] Specifically, the main body assembly 100 further comprises a material blocking plate 105 fixed in the shell 101, the material blocking plate 105 can block the sand conveyed to the top of the screen 104, preventing the sand from leaking from the gap between the screen 104 and the shell 101, and the reciprocating frame 103 is fixed with a sliding sleeve 106 on both sides, the number of the sliding sleeve 106 is multiple, and the shell 101 is fixed with a positioning sleeve 107, the sliding sleeve 106 slides in the positioning sleeve 107, so that the positioning sleeve 107 supports the sliding sleeve 106, so that the sliding sleeve 106 supports the reciprocating frame 103, and the sliding direction of the sliding sleeve 106 in the positioning sleeve 107 is the extension line direction of the inclination angle of the reciprocating frame 103, so that the reciprocating frame 103 can slide on the top of the support body 102 without affecting the sliding of the sliding sleeve 106 in the positioning sleeve 107, and the reciprocating frame 103 can be stably reciprocated.
[0050] Specifically, the shell 101 is fixed with a discharging chute 108, the discharging chute 108 is used for collecting the screened sand, and a conveying belt 109 is arranged below the discharging chute 108, the conveying belt 109 is used for conveying the screened sand, and the shell 101 is fixed with a screening groove 110, the screening groove 110 is used for conveying the stones or large pieces of sundries screened out by the screen 104.
[0051] Specifically, the main body assembly 100 further comprises a power component 111 arranged on one side of the shell 101, the power component 111 is used for driving the screen 104 to reciprocate, comprising a fixed frame 111a fixed in the shell 101, a rotating shaft 111b rotatably connected in the fixed frame 111a, the rotating shaft 111b can be stably rotated through the support of the fixed frame 111a, the rotating shaft 111b is fixed with a worm 111c on the surface, one side of the shell 101 is fixed with a driving motor 111d, the rotating shaft 111b is fixed to the output end of the driving motor 111d, the rotating shaft 111b can be driven to rotate through the start of the driving motor 111d, so as to drive the worm 111c to rotate.
[0052] Specifically, the power component 111 further comprises a rotating rod 111e rotatably connected in the shell 101, the rotating rod 111e is fixed with a worm wheel 111f at the end, the rotating rod 111e is used for supporting the worm wheel 111f, so that the worm wheel 111f can be stably rotated, and the worm wheel 111f and the worm 111c are engaged, so that the worm wheel 111f can be driven to rotate when the worm 111c rotates.
[0053] Specifically, the power component 111 further comprises a driving column 111g fixed to one side of the worm wheel 111f, the driving column 111g is not in the center of the worm wheel 111f, so that the worm wheel 111f can drive the driving column 111g to move in a circle when rotating, the reciprocating frame 103 is fixed with a pushing column 111h on one side, the driving column 111g and the pushing column 111h are both rotatably connected with a connecting plate 111i, when the driving column 111g moves in a circle, the pushing column 111h can be pushed and pulled by the connecting plate 111i, so that the pushing column 111h drives the reciprocating frame 103 to move back and forth, the shell 101 is fixed with a protective cover 111j on one side, the power component 111 can be protected by the protective cover 111j.
[0054] In use, when the sand needs to be screened, the driving motor 111d is started, so that the reciprocating frame 103 can drive the screen 104 to move back and forth, and the sand is transported to the top of the screen 104, at this time, under the shaking of the screen 104, the sand on the top of the screen 104 slides downward along the inclined direction, in this process, the sand falls into the discharge chute 108 and is then transported out by the conveyor belt 109, part of the blocky sand moves to the top of the supporting plate 201a, when the screen 104 moves back and forth quickly, the counterweight 202g has a hysteresis due to its inertia, and at this time, the screen 104 moves, so that the supporting column 202d drives the adjusting gear 202e to move synchronously, so that the counterweight 202g drives the adjusting gear 202e to rotate back and forth through the swing rod 202f, so that the adjusting gear 202e drives the rack 202b to move back and forth, so that the rack 202b drives the rotating gear 202c to rotate back, so that the rotating gear 202c drives the rotating column 201d to rotate back and forth, so that the crushing rod 201h is driven to swing back, when the blocky sand falls between the blocking bars 201j on the top of the supporting plate 201a, the crushing rod 201h crushes the blocky sand, and the blocking bars 201j block the blocky sand, so as to improve the crushing effect of the crushing rod 201h on the blocky sand, so that the crushed sand can be screened out by the sand screening device, the sand screening device can completely screen the sand, and the probability of screening out the blocky sand is greatly reduced.
[0055] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, not to limit it, although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalent, without departing from the spirit and scope of the technical solutions of the present application, which should be covered in the scope of the claims of the present application.
Claims
1. A sand screening device for concrete processing, characterized in that: include, The main component (100) includes a housing (101), a support (102) is fixed to the inner wall of the housing (101), a reciprocating frame (103) slides on the top of the support (102), and a screen (104) is fixed inside the reciprocating frame (103). A crushing assembly (200) is disposed on the screen (104) and includes a support plate (201a) fixed inside the screen (104). A guide plate (201b) is fixed to the top of the support plate (201a). A support sleeve (201c) is fixed inside the support plate (201a). A rotating column (201d) is rotatably connected inside the support sleeve (201c). A connecting rod (201e) is fixed to the surface of the rotating column (201d). An installation piece (201f) is inserted into the connecting rod (201e). An elastic rod (201g) is fixed to one side of the installation piece (201f). A crushing rod (201h) is fixed to one side of the elastic rod (201g). A positioning bolt (201i) is provided on the connecting rod (201e) through threaded connection. A stop bar (201j) is fixed to the top of the support plate (201a).
2. The sand screening device for concrete processing as described in claim 1, characterized in that: The crushing assembly (200) further includes a driving component (202) disposed at the bottom of the support plate (201a), including a support shell (202a) fixed to the bottom of the support plate (201a), a rack (202b) sliding inside the support shell (202a), and a rotating gear (202c) fixed on the surface of the rotating column (201d), the rotating gear (202c) and the rack (202b) meshing.
3. The sand screening device for concrete processing as described in claim 2, characterized in that: The drive unit (202) further includes a support column (202d) fixed in the support plate (201a), and an adjusting gear (202e) is rotatably connected to the surface of the support column (202d), the adjusting gear (202e) meshing with the rack (202b).
4. The sand screening device for concrete processing as described in claim 3, characterized in that: A rocker arm (202f) is fixed to the surface of the adjusting gear (202e), and a counterweight (202g) is rotatably connected to the end of the rocker arm (202f). A support frame (202h) is fixed to the bottom of the support plate (201a), and the rocker arm (202f) moves at the top of the support frame (202h).
5. The sand screening device for concrete processing as described in claim 4, characterized in that: The drive unit (202) also includes a support block (202i) fixed to the bottom of the support plate (201a), a first spring (202j) fixed to one side of the support block (202i), and the other end of the first spring (202j) fixed to the end of the swing rod (202f).
6. The sand screening device for concrete processing as described in claim 5, characterized in that: The main component (100) also includes a baffle plate (105) fixed inside the housing (101), a sliding sleeve (106) fixed on both sides of the reciprocating frame (103), a positioning sleeve (107) fixed inside the housing (101), and the sliding sleeve (106) sliding inside the positioning sleeve (107).
7. The sand screening device for concrete processing as described in claim 6, characterized in that: A feeding trough (108) is fixed inside the housing (101), a conveyor belt (109) is provided below the feeding trough (108), and a screening trough (110) is fixed inside the housing (101).
8. The sand screening device for concrete processing as described in claim 7, characterized in that: The main component (100) also includes a power component (111) disposed on one side of the housing (101), including a fixed frame (111a) fixed inside the housing (101), a rotating shaft (111b) rotatably connected inside the fixed frame (111a), a worm gear (111c) fixed on the surface of the rotating shaft (111b), a drive motor (111d) fixed on one side of the housing (101), and the rotating shaft (111b) fixed to the output end of the drive motor (111d).
9. The sand screening device for concrete processing as described in claim 8, characterized in that: The power component (111) also includes a rotating rod (111e) rotatably connected to the housing (101), and a worm gear (111f) is fixed at the end of the rotating rod (111e), which meshes with the worm (111c).
10. The sand screening device for concrete processing as described in claim 9, characterized in that: The power component (111) also includes a drive column (111g) fixed to one side of the worm gear (111f), a push column (111h) fixed to one side of the reciprocating frame (103), a connecting plate (111i) rotatably connected to the surfaces of the drive column (111g) and the push column (111h), and a protective cover (111j) fixed to one side of the housing (101).