Sandstone grinding machine for building
By designing a construction sand and gravel grinder with multiple grinding structures, the problem of poor grinding effect of traditional sand and gravel grinding devices is solved, the sand and gravel are thoroughly ground and broken multiple times, the subsequent use effect is improved, and the production cost is reduced. .
Patent Information
- Application Number
- CN202421099872.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-05-20
AI Technical Summary
Traditional sand and gravel grinding devices are usually single-grinding, resulting in large specifications of the grinding sand and gravel that cannot be used directly, affecting the subsequent use effect.
A sand and gravel grinder for construction is designed, including multiple grinding chambers and grinding structures. It ensures that the sand and gravel can be thoroughly ground through multiple grinding. It uses a pneumatic cylinder and a motor-driven grinding liner and shell structure, and cooperates with multiple grinding protrusions. and grille to achieve multiple grinding and crushing.
It achieves thorough grinding of sand and gravel in a single pass, improves the grinding effect and ensures the effect of subsequent use. It has a simple structure and low production cost, and is suitable for large-scale promotion.
Smart Images
Figure CN222369173U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of construction, in particular to a sandstone grinding machine for construction. Background Art
[0002] Due to its good hardness and stable chemical properties, sand and gravel are often used as high-quality building materials and concrete raw materials and are widely used in houses, roads, highways, railways, engineering and other fields. They are indispensable and irreplaceable aggregate materials for the construction of infrastructure such as buildings, highways, railways, bridges, municipal engineering, water conservancy projects, hydropower projects, nuclear power plant projects, airports, and docks.
[0003] Traditional sand and gravel grinding devices are usually single-time grinding. Because of the squeezing between the grinding devices, many large gravel will be missed. The ground sand and gravel are large in size and cannot be used directly, which affects subsequent use. Therefore, a technology is needed to make up for this shortcoming. Utility Model Content
[0004] The purpose of the utility model is to provide a sand and gravel grinder for construction in order to solve the above-mentioned problem, so as to solve the problem that the traditional sand and gravel grinding device is usually single-time grinding, because the squeezing between the grinding devices will miss a lot of large gravel, and the sand and gravel ground are large in size and cannot be used directly, which affects the subsequent use.
[0005] In order to solve the above problems, the utility model provides a technical solution: a sand and stone grinding machine for construction, comprising a first grinding chamber, a feed nozzle, a bearing seat, a first grille, a motor cover, a first motor, a rotating shaft, a grinding liner, a pneumatic cylinder, a grinding shell, a grinding protrusion, a taper plate and a discharge port; the feed nozzles are fixedly connected on both sides of the upper surface of the first grinding chamber; the top of the first grinding chamber is fixedly connected to the bearing seat; the taper plates are fixedly connected on both sides of the bottom surface of the first grinding chamber; the discharge port is provided at the center of the bottom surface of the first grinding chamber; the lower end of the first grinding chamber is fixedly connected to the first A grille; a motor cover is fixedly connected to the center position of the lower surface of the first grille; a first motor is fixedly connected in the motor cover; a rotating shaft is fixedly connected to the output end of the first motor, and the top end of the rotating shaft is movably connected to the bearing seat; a grinding liner is fixedly connected to the rotating shaft; grinding shells are slidably connected to both sides of the upper surface of the first grille; a plurality of grinding protrusions are fixedly connected to the inner surface of the grinding shell and the outer surface of the grinding liner; pneumatic cylinders are fixedly connected to the middle ends of the left and right side surfaces of the first grinding chamber, and the output end of the pneumatic cylinder is fixedly connected to the corresponding grinding shell.
[0006] Preferably, it also includes a second grinding chamber, a second grid, a discharge nozzle, a cam mounting rod, a second motor, a cam, a concave rod, a spring, a movable plate and crushing teeth; the second grinding chamber is fixedly connected to the lower end of the first grinding chamber; the second grid is fixedly connected to the lower end of the inner chamber of the second grinding chamber; the discharge nozzles are fixedly connected to both sides of the lower surface of the second grinding chamber; the cam mounting rod is fixedly connected to the center position of the lower surface of the second grinding chamber; the end of the cam mounting rod is movably connected with a cam, the side of the cam mounting rod is fixedly connected with a second motor, and the output end of the second motor is connected to the cam through a belt; movable plates are slidably connected to both sides of the upper surface of the second grid, and several crushing teeth are fixedly connected to the inner side surfaces of the movable plates; the outer surfaces of the movable plates are fixedly connected with concave rods, and the concave rods are slidably connected in the second grinding chamber; the concave rods are located on the outer surface of the inner chamber of the second grinding chamber and are covered with springs.
[0007] Preferably, it also includes a third grinding chamber, a grinding cavity, a third motor, a first gear, a transport shaft, a second gear, a grinding roller and grinding teeth; the third grinding chamber is located below the discharge nozzle; grinding chambers are provided on both sides of the interior of the third grinding chamber; a grinding roller is provided at the upper end of the grinding cavity, and a transport shaft is provided at the lower end of the grinding cavity, the transport shaft is fixedly connected to the grinding roller, and the transport shaft is movably connected in the grinding cavity; a second gear is fixedly connected to the end of the transport shaft; a third motor is fixedly connected to the center position of the lower surface of the third grinding chamber; a first gear is fixedly connected to the output end of the third motor, and the first gear and the second gear are meshed and connected with each other; a number of grinding teeth are fixedly connected to the chamber wall at the upper end of the grinding cavity and the outer surface of the grinding roller.
[0008] Preferably, both the first gear and the second gear are coated with grease.
[0009] Preferably, the transport shaft is a screw shaft.
[0010] Preferably, the feed nozzle is in a bell-mouth shape.
[0011] The beneficial effects of the utility model are as follows: (1) The utility model has a reasonable and simple structure, low production cost, convenient installation, and complete functions. Through the multiple grinding structures, sand and gravel can be thoroughly ground in a single time, with good grinding effect, thereby improving the subsequent use effect.
[0012] The utility model can adjust the distance between the grinding inner tank and the grinding outer shell, which is not only convenient for feeding, but also can adjust the distance according to the size of the sand and gravel entering, suitable for sand and gravel of different specifications, and improves the use effect. The various parts of the utility model do not require complex processing, the production cost is low, and it is suitable for large-scale promotion.
[0013] Figure 1 It is a structural schematic diagram of the utility model.
[0014] Figure 2 It is a structural schematic diagram of the third grinding chamber of the utility model.
[0015] 1-first grinding chamber; 2-feed nozzle; 3-bearing seat; 4-first grid; 5-motor cover; 6-first motor; 7-rotating shaft; 8-grinding liner; 9-pneumatic cylinder; 10-grinding shell; 11-grinding protrusion; 12-taper plate; 13-discharge port; 14-second grinding chamber; 15-second grid; 16-discharge nozzle; 17-cam mounting rod; 18-second motor; 19-cam; 20-concave rod; 21-spring; 22-movable plate; 23-crushing teeth; 24-third grinding chamber; 25-grinding cavity; 26-third motor; 27-first gear; 28-transport shaft; 29-second gear; 30-grinding roller; 31-grinding teeth. DETAILED DESCRIPTION
[0016] like Figure 1 As shown, this specific embodiment adopts the following technical scheme: a sand and stone grinding machine for construction, comprising a first grinding chamber 1, a feed nozzle 2, a bearing seat 3, a first grille 4, a motor cover 5, a first motor 6, a rotating shaft 7, a grinding liner 8, a pneumatic cylinder 9, a grinding shell 10, a grinding protrusion 11, a taper plate 12 and a discharge port 13; the feed nozzle 2 is fixedly connected to both sides of the upper surface of the first grinding chamber 1; the bearing seat 3 is fixedly connected to the top of the inner chamber of the first grinding chamber 1; the taper plate 12 is fixedly connected to both sides of the bottom surface of the inner chamber of the first grinding chamber 1; the discharge port 13 is provided at the center of the bottom surface of the first grinding chamber 1; the first grinding chamber 1 is fixedly connected to the lower end of the inner chamber of the first grinding chamber 1 A grille 4; a motor cover 5 is fixedly connected to the center position of the lower surface of the first grille 4; a first motor 6 is fixedly connected in the motor cover 5; a rotating shaft 7 is fixedly connected to the output end of the first motor 6, and the top end of the rotating shaft 7 is movably connected to the bearing seat 3; a grinding liner 8 is fixedly connected to the rotating shaft 7; grinding shells 10 are slidably connected to both sides of the upper surface of the first grille 4; a plurality of grinding protrusions 11 are fixedly connected to the inner surface of the grinding shell 10 and the outer surface of the grinding liner 8; pneumatic cylinders 9 are fixedly connected to the middle ends of the left and right sides of the first grinding chamber 1, and the output ends of the pneumatic cylinders 9 are fixedly connected to the corresponding grinding shells 10.
[0017] like Figure 1As shown, it also includes a second grinding chamber 14, a second grid 15, a discharge nozzle 16, a cam mounting rod 17, a second motor 18, a cam 19, a concave rod 20, a spring 21, a movable plate 22 and a crushing tooth 23; the second grinding chamber 14 is fixedly connected to the lower end of the first grinding chamber 1; the second grinding chamber 14 is fixedly connected to the lower end of the inner chamber of the second grinding chamber 14; the discharge nozzle 16 is fixedly connected to both sides of the lower surface of the second grinding chamber 14; the cam mounting rod 17 is fixedly connected to the center of the lower surface of the second grinding chamber 14; the end of the cam mounting rod 17 is movably connected to the inner end of the second grinding chamber 14. A cam 19 is connected, and a second motor 18 is fixedly connected to the side of the cam mounting rod 17, and the output end of the second motor 18 is connected to the cam 19 through a belt; movable plates 22 are slidably connected to both sides of the upper surface of the second grid 15, and a plurality of crushing teeth 23 are fixedly connected to the inner side surface of the movable plate 22; a concave rod 20 is fixedly connected to the outer side surface of the movable plate 22, and the concave rod 20 is slidably connected in the second grinding chamber 14; the concave rod 20 is located on the outer surface of the cavity inside the second grinding chamber 14 and is covered with a spring 21.
[0018] like Figure 2 As shown, it also includes a third grinding chamber 24, a grinding chamber 25, a third motor 26, a first gear 27, a transport shaft 28, a second gear 29, a grinding roller 30 and a grinding tooth 31; the third grinding chamber 24 is located below the discharge nozzle 16; grinding chambers 25 are provided on both sides of the chamber interior of the third grinding chamber 24; a grinding roller 30 is provided at the upper end of the grinding chamber 25, and a transport shaft 28 is provided at the lower end of the grinding chamber 25, the transport shaft 28 is fixedly connected to the grinding roller 30, and the transport shaft 28 is movably connected in the grinding chamber 25; a second gear 29 is fixedly connected to the end of the transport shaft 28; a third motor 26 is fixedly connected to the center position of the lower surface of the third grinding chamber 24; a first gear 27 is fixedly connected to the output end of the third motor 26, and the first gear 27 and the second gear 29 are meshed and connected with each other; a plurality of grinding teeth 31 are fixedly connected to the chamber wall at the upper end of the grinding chamber 25 and the outer surface of the grinding roller 30.
[0019] Wherein, the first gear 27 and the second gear 29 are coated with grease; the transport shaft 28 is a spiral shaft; and the feed nozzle 2 is in a bell-mouth shape.
[0020] The use state of the utility model is: the pneumatic cylinder 9 opens the grinding shell 10, and after the sand and gravel enter from the feed nozzle 2, the pneumatic cylinder 9 drives the grinding shell 10 to move toward the grinding inner tank 8, and the first motor 6 drives the grinding inner tank 8 to rotate for grinding. After the grinding is completed, the pneumatic cylinder 9 opens the grinding shell 10, and the sand and gravel pass through the first grille 4 and enter between the movable plates 22. The second motor 18 drives the cam 19 to rotate, so that the movable plate 22 reciprocates left and right to continue to crush the sand and gravel. After crushing, it passes through the second grille 15 and enters the grinding cavity 25 of the third grinding chamber 24. The grinding roller 30 grinds again and is finally discharged under the action of the transport shaft 28.
[0021] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0022] In the present utility model, unless otherwise clearly stipulated and limited, the terms "installation", "setting", "connection", "fixation", "screw-on" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.
[0023] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which shall fall within the scope of the utility model to be protected. The scope of protection of the utility model shall be defined by the attached claims and their equivalents.
[0024] The control method of the present invention is to control by manually starting and closing the switch. The wiring diagram of the power element and the provision of power supply are common knowledge in the field, and the present invention is mainly used to protect mechanical devices, so the present invention will not explain the control method and wiring arrangement in detail.
Claims
1. A sand and gravel grinding machine for construction, characterized in that: It comprises a first grinding chamber (1), a feed nozzle (2), a bearing seat (3), a first grid (4), a motor housing (5), a first motor (6), a rotating shaft (7), a grinding liner (8), a pneumatic cylinder (9), a grinding outer shell (10), a grinding protrusion (11), a taper plate (12) and a discharge port (13); Feed nozzles (2) are fixedly connected to both sides of the upper surface of the first grinding chamber (1); A bearing seat (3) is fixedly connected to the top end of the interior of the first grinding chamber (1); Tapered plates (12) are fixedly connected to both sides of the bottom surface of the first grinding chamber (1); A discharge port (13) is provided at the center of the bottom surface of the first grinding chamber (1); A first grid (4) is fixedly connected to the lower end of the interior of the first grinding chamber (1); A motor cover (5) is fixedly connected to the center position of the lower surface of the first grille (4); A first motor (6) is fixedly connected to the motor housing (5); A rotating shaft (7) is fixedly connected to the output end of the first motor (6), and the top end of the rotating shaft (7) is movably connected to the bearing seat (3); The rotating shaft (7) is fixedly connected to a grinding liner (8); Grinding shells (10) are slidably connected to both sides of the upper surface of the first grid (4); A plurality of grinding protrusions (11) are fixedly connected to the inner surface of the grinding shell (10) and the outer surface of the grinding liner (8); A pneumatic cylinder (9) is fixedly connected to the middle ends of the left and right sides of the first grinding chamber (1), and the output end of the pneumatic cylinder (9) is fixedly connected to the corresponding grinding shell (10).
2. The construction sand and gravel grinding machine according to claim 1, characterized in that: It also includes a second grinding chamber (14), a second grid (15), a discharge nozzle (16), a cam mounting rod (17), a second motor (18), a cam (19), a concave rod (20), a spring (21), a movable plate (22) and a crushing tooth (23); The second grinding chamber (14) is fixedly connected to the lower end of the first grinding chamber (1); A second grid (15) is fixedly connected to the lower end of the interior of the second grinding chamber (14); Discharge nozzles (16) are fixedly connected to both sides of the lower surface of the second grinding chamber (14); A cam mounting rod (17) is fixedly connected to the center position of the lower surface of the second grinding chamber (14); A cam (19) is movably connected to the end of the cam mounting rod (17), a second motor (18) is fixedly connected to the side of the cam mounting rod (17), and an output end of the second motor (18) is connected to the cam (19) via a belt; Both sides of the upper surface of the second grille (15) are slidably connected to movable plates (22), and the inner side surfaces of the movable plates (22) are fixedly connected to a plurality of crushing teeth (23); The outer side surfaces of the movable plates (22) are fixedly connected with concave rods (20), and the concave rods (20) are slidably connected in the second grinding chamber (14); The concave rod (20) is located inside the second grinding chamber (14) and is coated with a spring (21) on its outer surface.
3. The construction sand and stone grinding machine according to claim 2, characterized in that: It also includes a third grinding chamber (24), a grinding cavity (25), a third motor (26), a first gear (27), a transport shaft (28), a second gear (29), a grinding roller (30) and grinding teeth (31); The third grinding chamber (24) is located below the discharge nozzle (16); Grinding chambers (25) are provided on both sides of the interior of the third grinding chamber (24); A grinding roller (30) is provided at the upper end of the grinding chamber (25), and a transport shaft (28) is provided at the lower end of the grinding chamber (25). The transport shaft (28) is fixedly connected to the grinding roller (30), and the transport shaft (28) is movably connected in the grinding chamber (25); A second gear (29) is fixedly connected to the end of the transport shaft (28); A third motor (26) is fixedly connected to the center of the lower surface of the third grinding chamber (24); A first gear (27) is fixedly connected to the output end of the third motor (26), and the first gear (27) and the second gear (29) are meshed and connected with each other; A plurality of grinding teeth (31) are fixedly connected to the chamber wall at the upper end of the grinding chamber (25) and the outer surface of the grinding roller (30).
4. The construction sand and stone grinding machine according to claim 3, characterized in that: The first gear (27) and the second gear (29) are both coated with lubricating grease.
5. The construction sand and stone grinding machine according to claim 3, characterized in that: The transport shaft (28) is a screw shaft.
6. The construction sand and stone grinding machine according to claim 1, characterized in that: The feed nozzle (2) is in the shape of a trumpet.