Gravel fineness detection device with anti-blocking structure
By using a combination of a micro vibrator and a cam component in the sand and gravel fineness testing device, the problem of screen clogging was solved, and the stability and reliability of sand and gravel fineness testing were achieved.
Patent Information
- Application Number
- CN202520233089.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-02-14
AI Technical Summary
In existing sand and gravel fineness testing devices, during the screening process, larger sand and gravel particles clog the screen mesh, preventing standard-compliant sand and gravel from falling and affecting the stability of the test.
A sand and gravel fineness detection device with an anti-clogging structure was designed. A micro vibrator drives the screen to vibrate, and the vertical reciprocating movement of the screening box is realized through a cam component and a spring assembly to avoid screen clogging. At the same time, a sealing component is used to prevent external impurities from entering.
This effectively prevents screen clogging, ensures that standard-compliant sand and gravel can fall normally, and improves the stability and reliability of the detection.
Smart Images

Figure CN223733267U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sand fineness detection technical field especially sand fineness detection device with prevent blocking structure. BACKGROUND
[0002] At present, premixed concrete is widely used in construction site, wherein the quality of concrete is largely influenced by sand and stone material quality, currently, when determining sand and stone sieve residue, it is necessary to apply sieve, and according to relevant production control standard, sieve residue determination is carried out by selecting sieves of different models.
[0003] But when sieving, larger sand and stone will block the mesh of sieve after moving to the bottom, thereby causing standard sand and stone to also not fall down, which is not conducive to stable detection. SUMMARY
[0004] The utility model discloses sand fineness detection device with prevent blocking structure, and aims at solving the problems of sand fineness detection device, when sieving, larger sand and stone will block the mesh of sieve after moving to the bottom, thereby causing standard sand and stone to also not fall down, which is not conducive to stable detection.
[0005] In order to achieve the above object, the utility model provides sand fineness detection device with prevent blocking structure, including base, install control box in the mounting cavity of base front side, still including screening subassembly;
[0006] The screening subassembly includes top plate, feed pipe, screening box, sieve, microvibrator, guide rod, connecting frame, spring, limit block, cam component and protection component, the top plate is fixed at the top of the base, the feed pipe is welded on the material mouth top of the top plate, the screening box is arranged below the feed pipe, the sieve is fixed at the bottom of the screening box, the microvibrator is electrically connected with the control box, and is fixed at the bottom of the sieve, and the number is four, the guide rod is integrally formed with the top plate, and is vertically symmetrical arrangement, the connecting frame is welded on both sides of the screening box, and is slidably connected with the guide rod, and the bottom of left connecting frame is provided with arc part, one end of the spring abuts on the limiting disc of the guide rod, the other end of the spring abuts on the connecting frame, the spring sleeve is installed on the outer side of the guide rod, the limit block is threadedly connected with the guide rod, and located at the bottom of the guide rod, the cam component is arranged on the side of the top plate close to left connecting frame, and the protection component is arranged on the left and right sides of the top plate.
[0007] The cam component includes fixed plate and action part, the fixed plate is integrally formed with the top plate, and located at the left side of the top plate, and the action part is arranged on the side of the fixed plate close to left connecting frame.
[0008] The action component comprises a driving motor and a cam body, the driving motor is electrically connected with the control box and fixed on the fixed plate, and the cam body is fixed on an output shaft of the driving motor and matched with the arc-shaped part at the bottom of the left connecting frame.
[0009] The protection component comprises a left protection plate and a right protection plate, the left protection plate is arranged on the left side of the top plate and symmetrically arranged, and the right protection plate is fixed on the right side of the top plate.
[0010] The sand fineness detection device with the anti-blocking structure further comprises a sealing assembly, the sealing assembly comprises a sealing cover and a handle, the sealing cover is slidably connected with the feeding pipe and located at the top of the feeding pipe, and the handle is welded at the top of the sealing cover.
[0011] The sand fineness detection device with the anti-blocking structure of the utility model, when the sand fineness is detected, first, the sand raw materials are put into the screening box through the feeding pipe, then, a plurality of micro-vibrators are started, the micro-vibrators can drive the screen to vibrate, so that the problem that too many large particle sands are left in the screen meshes to cause the blockage is avoided, the sands meeting the standards cannot fall into the receiving box on the base, further, the cam member is controlled to act, the cam member strikes the arc-shaped part at the bottom of the left connecting frame after the action, so that the spring is switched back and forth between the compression and the release, the screening box can be vertically reciprocatingly moved to realize the vibration, the internal sand activity can be further increased, the problem that too many large particle sands are left in the screen meshes to cause the blockage is avoided, and the problem that the existing sand fineness detection device cannot be stably detected because the screen meshes are blocked by the sands moving to the bottom when the sands are screened is solved. BRIEF DESCRIPTION OF DRAWINGS
[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced.
[0013] Figure 1 Fig. 1 is a whole structure schematic view of the sand fineness detection device with the anti-blocking structure of the first embodiment of the utility model.
[0014] Figure 2 Fig. 2 is a structure schematic view of the connecting frame of the first embodiment of the utility model.
[0015] Figure 3 Fig. 3 is a whole structure schematic view of the sand fineness detection device with the anti-blocking structure of the second embodiment of the utility model.
[0016] In the figure: 101-base, 102-control box, 103-top plate, 104-feeding pipe, 105-screening box, 106-screen, 107-micro vibrator, 108-guide rod, 109-connecting frame, 110-spring, 111-limiting block, 112-arc-shaped part, 113-fixing plate, 114-driving motor, 115-cam body, 116-left guard plate, 117-right guard plate, 201-sealing cover, 202-handle. DETAILED DESCRIPTION
[0017] The embodiments of the utility model are described in detail below, examples of the embodiments are shown in the drawings, the embodiments described below by referring to the drawings are exemplary and are intended to explain the utility model and cannot be understood as limiting the utility model. EMBODIMENT
[0018] As shown in Figure 1 and Figure 2 shown, wherein Figure 1 is the overall structure schematic diagram of the sand fineness detection device with anti-blocking structure, Figure 2 is the structure schematic diagram of connecting frame 109, the utility model provides a sand fineness detection device with anti-blocking structure: including base 101, control box 102 and screening assembly, the screening assembly includes top plate 103, feeding pipe 104, screening box 105, screen 106, micro vibrator 107, guide rod 108, connecting frame 109, spring 110, limiting block 111, cam member and protection component, the cam member includes fixing plate 113 and action part, the action part includes driving motor 114 and cam body 115, the protection component includes left guard plate 116 and right guard plate 117, the foregoing scheme can solve the existing sand fineness detection device, and when the screen is screened, the screen mesh is blocked due to the movement of larger sand to the bottom, so that the sand that meets the standard also falls down, which is not conducive to stable detection, it can be understood that the foregoing scheme can avoid the screen 106 blocking during detection, and is conducive to stable detection.
[0019] In the embodiment, the control box 102 is installed in the mounting cavity of the front side of the base 101, the control box 102 is provided with corresponding control buttons, and the cable hole is arranged on the right front to back of the base 101, so that the device working cable is arranged.
[0020] The top plate 103 is fixed on the top of the base 101, the feeding pipe 104 is welded above the material opening of the top plate 103, the screening box 105 is arranged below the feeding pipe 104, the screen 106 is fixed on the bottom of the screening box 105, the micro vibrator 107 is electrically connected with the control box 102 and is fixed on the bottom of the screen 106, and the number is four, the guide rod 108 is integrally formed with the top plate 103 and is vertically symmetrical, the connecting frame 109 is welded on the two sides of the screening box 105 and is slidably connected with the guide rod 108, and the bottom of the left connecting frame 109 is provided with an arc-shaped part 112, one end of the spring 110 is abutted on the limiting disc of the guide rod 108, the other end of the spring 110 is abutted on the connecting frame 109, the spring 110 is sleeved and installed outside the guide rod 108, the limiting block 111 is threadedly connected with the guide rod 108 and is located at the bottom of the guide rod 108, the cam member is arranged on the side of the top plate 103 close to the left connecting frame 109, and the protection member is arranged on the left and right sides of the top plate 103. The four supporting rods of the base 101 are provided with hole discs at the top, so that the top plate 103 is fixed by bolts, the top plate 103 is provided with a circular material opening, the feeding pipe 104 is welded on the top of the circular material opening, the screen 106 is fixed on the bottom of the screening box 105 by bolts, and the detachable sealing plate is fixed on the front side of the screening box 105 by bolts, so that the sand on the upper side of the screen 106 that does not meet the standard can be cleaned after being removed, the model of the micro vibrator 107 is ZDQ50, the micro vibrator 107 is installed at four right-angle areas on the bottom of the screen 106 by bolts and is electrically connected with the control box 102 through a movable cable, and the length of the cable is sufficient and will not be pulled and broken when the guide rod 108 vertically moves, the top of the guide rod 108 is integrally formed with the top plate 103, the bottom end face is provided with a threaded hole, the limiting block 111 of the T-shaped structure is installed, the connecting frame 109 is welded on the two sides of the screening box 105, and the connecting frame 109 is provided with a through hole, so that the guide rod 108 can pass through. When the spring 110 is installed, first, the spring 110 is sleeved on the guide rod 108, then the connecting frame 109 is slidably installed on the guide rod 108, further, the limiting block 111 is installed, the cam member is used for gap hitting the arc-shaped part 112 at the bottom of the left connecting frame 109, so that the spring 110 can reciprocate between the compressed and released states, and the protection member is used for improving the safety of the device.
[0021] Secondly, the fixed plate 113 is integrally formed with the top plate 103 and is located on the left side of the top plate 103; the action component is arranged on the side of the fixed plate 113 close to the left connecting frame 109. The fixed plate 113 is arranged and used for mounting and cooperating with the action component.
[0022] Then, the driving motor 114 is electrically connected with the control box 102 and fixed on the fixed plate 113; the cam body 115 is fixed on the output shaft of the driving motor 114 and matched with the arc-shaped part 112 at the bottom of the left connecting frame 109. The driving motor 114 is fixed on the fixed plate 113 through bolts and electrically connected with the control box 102 through a cable, and the cam body 115 is fixed on the output shaft of the driving motor 114 through a flat key, locking bolts and an annular belt hole pressing sheet. The driving motor 114 can adopt a speed-regulating motor, and the speed-regulating knob thereof can be arranged on the control box 102.
[0023] Finally, the left guard plate 116 is arranged on the left side of the top plate 103 and symmetrically arranged; and the right guard plate 117 is fixed on the right side of the top plate 103. The left guard plate 116 is arranged in two parts and fixed through bolts, and the cross section thereof is L-shaped, that is, a side guard plate is arranged on the side close to the screening box 105 for isolation protection. The right guard plate 117 is fixed through bolts, and the cross section thereof is U-shaped, that is, a side guard plate is symmetrically arranged on the side close to the screening box 105 for isolation protection. The left guard plate 116 and the right guard plate 117 can isolate and protect when the cam body 115 rotates and the spring 110 acts, thereby improving safety.
[0024] When the sand fineness detection device and the screening mesh are used to screen, the larger sand moves to the bottom and blocks the mesh holes, so that the sand meeting the standard cannot fall down, which is not conducive to stable detection. When the sand fineness is detected, the sand raw material is first put into the screening box 105 through the feeding pipe 104, then several micro-vibrators 107 are started, the micro-vibrators 107 can drive the screening mesh 106 to vibrate after working, so as to avoid the mesh holes from being blocked by too many large sand particles, so that the sand meeting the standard cannot fall into the receiving box on the base 101. Further, the driving motor 114 is controlled to act, the driving motor 114 drives the cam body 115 to rotate after acting, the cam body 115 strikes the arc-shaped part 112 at the bottom of the left connecting frame 109 during rotation, so that the spring 110 switches back and forth between compression and release, so that the screening box 105 can realize vertical reciprocating movement to realize vibration, further, the internal sand activity can be increased, the mesh holes of the screening mesh 106 are avoided from being blocked by too many large sand particles, and the problem that the sand meeting the standard cannot fall down when the sand fineness detection device and the screening mesh are used to screen, which is not conducive to stable detection, can be solved. Embodiment
[0025] As Figure 3 shown, wherein Figure 3 It is the overall structure diagram of sand fineness detection device with anti-blocking structure, on the basis of first embodiment, the utility model provides a sand fineness detection device with anti-blocking structure, the sand fineness detection device with anti-blocking structure still includes sealing assembly, the sealing assembly includes sealing cover 201 and handle 202.
[0026] Wherein, the sealing cover 201 with the feed pipe 104 sliding connection, and located the feed pipe 104 top, handle 202 is welded in sealing cover 201 top.The sealing cover 201 section is the U-shaped structure of opening downward, and can directly sliding installation in the feed pipe 104 top, handle 202 is convenient for sealing cover 201 installation.
[0027] In this embodiment, by setting the sealing cover 201 and the handle 202, after the sand raw materials are put in, the sealing cover 201 can be installed, so that external impurities can be prevented from falling into the screening box 105 from the top of the feed pipe 104 when detecting.
[0028] The above disclosed is only one or more preferred embodiments of the application, which cannot limit the scope of the application, and those skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the claims of the application still belong to the scope covered by the application.
Claims
1. A sand fineness detection device with anti-blocking structure, comprising a base, a control box is installed in the mounting cavity on the front side of the base, characterized in that: It also comprises a screening assembly; The screening assembly comprises a top plate, a feeding pipe, a screening box, a screen, a micro vibrator, a guide rod, a connecting frame, a spring, a limiting block, a cam component and a protection component, the top plate is fixed on the top of the base, the feeding pipe is welded above the material port of the top plate, the screening box is arranged below the feeding pipe, the screen is fixed on the bottom of the screening box, the micro vibrator is electrically connected with the control box and fixed on the bottom of the screen, and the number is four, the guide rod is integrally formed with the top plate and vertically symmetrically arranged, the connecting frame is welded on both sides of the screening box and slidably connected with the guide rod, and the bottom of the left connecting frame is provided with an arc-shaped part, one end of the spring abuts against the limiting disc of the guide rod, the other end of the spring abuts against the connecting frame, the spring sleeve is installed outside the guide rod, the limiting block is threadedly connected with the guide rod and located at the bottom of the guide rod, the cam component is arranged on the side of the top plate close to the left connecting frame, and the protection component is arranged on the left and right sides of the top plate.
2. The sand fineness detection device with anti-blocking structure according to claim 1, characterized in that: The cam component comprises a fixed plate and a moving part, the fixed plate is integrally formed with the top plate and located on the left side of the top plate; and the moving part is arranged on the side of the fixed plate close to the left connecting frame.
3. The sand fineness detection device with anti-blocking structure according to claim 2, characterized in that: The moving part comprises a driving motor and a cam body, the driving motor is electrically connected with the control box and fixed on the fixed plate; and the cam body is fixed on the output shaft of the driving motor and cooperates with the arc-shaped part at the bottom of the left connecting frame.
4. The sand fineness detection device with anti-blocking structure according to claim 1, characterized in that: The protection component comprises a left protection plate and a right protection plate, the left protection plate is arranged on the left side of the top plate and symmetrically arranged; and the right protection plate is fixed on the right side of the top plate.
5. The grit fineness detecting device with anti-blocking structure according to claim 1, characterized in that : The sand fineness detection device with anti-blocking structure further comprises a sealing assembly, the sealing assembly comprises a sealing cover and a handle, the sealing cover is slidably connected with the feeding pipe and located at the top of the feeding pipe; and the handle is welded on the top of the sealing cover.