Array type high-precision belt weigher for bulk materials

Abstract

The utility model discloses an array type high-precision belt weigher for bulk materials, which comprises a base adjusting structure, a protective conveying structure is mounted on the base adjusting structure, the base adjusting structure comprises a connecting frame with a hollow structure inside, and locking universal wheels are fixed at the bottom of the connecting frame through damping shock absorbers. Meanwhile, an adjusting air cylinder with an adjusting supporting plate at the output end is fixed to the bottom of the connecting frame, a two-way ball screw is rotationally installed in the connecting frame, a ball nut is arranged on the two-way ball screw in a penetrating mode, and meanwhile one end of the two-way ball screw extends out of the connecting frame to be fixedly connected with the output end of a control motor; an I-shaped seat is fixed above the surface of the ball nut, a through hole concave seat is fixed on the I-shaped seat, a guide block is fixed in the through hole concave seat, and the array type high-precision belt weigher for the bulk materials plays a role in buffering and damping through the arranged damping shock absorber.

Description

Technical Field

[0001] The utility model relates to the technical field of array type high-precision belt scales, in particular to an array type high-precision belt scale for bulk materials. Background Art

[0002] A belt scale is an automatic weighing instrument that can continuously weigh bulk materials on a conveyor belt without subdividing the mass or interrupting the movement of the conveyor belt. An array belt scale is a type of belt scale. It is an array composed of multiple weighing units installed in series on a belt conveyor. After searching, it was found that the publication number of the existing public technology is: CN113252148A. A smart electronic belt scale belongs to the technical field of electronic weighing instruments, including: a weighing unit, a weighing controller and a control circuit. A base is provided at the bottom of the weighing unit, and an L-plate is connected to each end of the base. A detachable L-plate is provided on the inner side of the L-plate near the base. The unloading connection is equipped with a weighing sensor, and a digital converter junction box is fixedly connected to the vertical outer wall outside the L plate with screws. The digital converter junction box has a built-in digital converter mainboard, and an AD signal board is arranged on the digital converter mainboard. Each group of weighing units included in the present application has a separate AD signal board, which is sent to the digital converter respectively, and then the sensor analog quantity is converted into a digital quantity and sent to the calculator. By processing the array data, the influence of belt tension can be eliminated, and the weighing accuracy of the belt scale can be greatly improved. In different material working conditions, when materials of different densities are piled and the flow rate changes greatly, the system stability can be improved.

[0003] To sum up: the belt scale in the above case only has the function of conveying and weighing, and has no protective effect. The flowing material may roll down during the conveying process, affecting the accuracy of material weighing. In addition, the belt scale in the above solution has a fixed height and cannot be installed accordingly, resulting in low adaptability. Utility Model Content

[0004] The purpose of the utility model is to address the deficiencies in the prior art and to provide an array-type high-precision belt scale for bulk materials, so as to solve the problem that the belt scale in the above case proposed in the above background technology only has the function of conveying and weighing, but has no protective effect, and the flowing material may roll down during the conveying process, affecting the accuracy of material weighing, and the belt scale in the above scheme is fixed in height and cannot be installed in a corresponding matching manner, resulting in low adaptability.

[0005] To achieve the above object, the utility model provides the following technical solutions: an array type high-precision belt scale for bulk materials, comprising a base adjustment structure, on which a protective conveying structure is installed;

[0006] The base adjustment structure includes a connection frame with a hollow structure inside, and a locking universal wheel is fixed to the bottom of the connection frame through a damping shock absorber, and an adjustment cylinder with an adjustment support plate at the output end is fixed to the bottom of the connection frame;

[0007] A bidirectional ball screw is rotatably mounted inside the connection frame, and a ball nut is passed through the bidirectional ball screw. At the same time, one end of the bidirectional ball screw extends outside the connection frame and is fixedly connected to the output end of the control motor.

[0008] By adopting the above technical solution, the damping shock absorber is provided to achieve buffering and shock absorption.

[0009] Preferably, an I-shaped seat is fixed above the surface of the ball nut, and a through hole recess is fixed on the I-shaped seat, and a guide block is fixed inside the through hole recess.

[0010] By adopting the above technical solution, the inner side is fixedly installed by the provided through hole recess.

[0011] Preferably, the guide block is slidably connected to the connecting bar via a guide groove, and a concave bar is fixed on the connecting bar, and an iron bar plate is fixed inside the concave bar.

[0012] By adopting the above technical solution, the connecting strips are arranged to achieve the matching of opening and sliding.

[0013] Preferably, the protective conveying structure includes an array-type high-precision belt scale body as the main body, and bearing seats are fixedly installed on both sides of the array-type high-precision belt scale body. At the same time, the bearing seat is rotatably connected to one end of a double-hole connecting plate through a connecting shaft, and the other end of the double-hole connecting plate is also rotatably connected to a through-hole recess through a connecting shaft.

[0014] By adopting the above technical solution, the bearing seat is arranged to achieve a fixed and matching rotation connection.

[0015] Preferably, a protective plate is fixed on the array-type high-precision belt scale body, and a control electromagnet is fixed on the surface of the protective plate.

[0016] By adopting the above technical solution, the protective plate is provided to achieve fixed installation.

[0017] Preferably, the protective plates are provided in a group, and a single protective plate is provided with a group of control electromagnets.

[0018] By adopting the above technical solution, the adsorption is regulated and controlled by setting the control electromagnetic.

[0019] Compared with the prior art, the utility model has the following beneficial effects: the array type high-precision belt scale for bulk materials is

[0020] (1) This case sets up a protective conveying structure to solve the problem that the belt scale in the above case only has the function of conveying and weighing, but does not have a protective effect. The flowing material may roll down during the conveying process, affecting the accuracy of material weighing. When the bulk material is conveyed on the surface of the array-type high-precision belt scale, the protective plate intercepts and limits the conveying of the bulk material on both sides, preventing the bulk material from rolling down to the ground through the two sides of the array-type high-precision belt scale;

[0021] (2) By setting up: the base adjustment structure, the problem of the fixed height of the belt scale in the above scheme cannot be solved, which leads to low adaptability. When it is necessary to adjust the matching installation height of the array type high-precision belt scale body, the control motor drives the bidirectional ball screw to drive the through hole recess and the guide block to move relative to each other during operation. At this time, the through hole recess drives the double-hole connecting plate to be driven and adjusted relative to each other. At this time, the double-hole connecting plate changes the interval distance height of the array type high-precision belt scale body. At this time, the operator controls the electromagnet to adsorb the iron bar plate to provide adsorption limit and auxiliary adsorption support for the adjusted array type high-precision belt scale body. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0023] Figure 2 It is a schematic diagram of the structure of the connection frame, damping shock absorber, locking universal wheel, adjustment cylinder, adjustment support plate, bidirectional ball screw, ball nut, control motor, I-shaped seat, through hole recess, guide groove, connection strip, recess and iron strip plate of the utility model;

[0024] Figure 3 This is a schematic diagram of the structure of the through hole recess and the guide block of the utility model;

[0025] Figure 4 This is a schematic diagram of the protective conveying structure of the utility model.

[0026] In the figure: 1. Base adjustment structure; 101. Connection frame; 102. Damping shock absorber; 103. Locking universal wheel; 104. Adjustment cylinder; 105. Adjustment support plate; 106. Bidirectional ball screw; 107. Ball nut; 108. Control motor; 109. I-shaped seat; 1010. Through-hole recess; 1011. Guide block; 1012. Guide groove; 1013. Connecting strip; 1014. Concave strip; 1015. Iron strip plate; 2. Protection conveying structure; 201. Array type high-precision belt scale body; 202. Bearing seat; 203. Double-hole connecting plate; 204. Protection plate; 205. Control electromagnet. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-4 The utility model provides a technical solution: an array type high-precision belt scale for bulk materials, such as Figure 1 , Figure 2 and Figure 3 As shown, the base adjustment structure 1 includes a connecting frame 101 with a hollow structure inside, and a locking universal wheel 103 is fixed to the bottom of the connecting frame 101 through a damping shock absorber 102, and an adjusting cylinder 104 with an adjusting support plate 105 at the output end is fixed to the bottom of the connecting frame 101, wherein the above-mentioned components can constitute adjustment auxiliary lifting and mobile buffering and shock absorption, and the adjustment auxiliary lifting constituted by the above-mentioned components can effectively assist the array type high-precision belt scale body 201 to move the range distance, and the mobile shock absorbing structure constituted by the above-mentioned components can reduce the vibration transmission during the movement of the array type high-precision belt scale body 201.

[0029] Furthermore, in the above scheme, a bidirectional ball screw 106 is rotatably installed inside the connection frame 101, and a ball nut 107 is passed through the bidirectional ball screw 106. At the same time, one end of the bidirectional ball screw 106 extends outside the connection frame 101 and is fixedly connected to the output end of the control motor 108.

[0030] In the above scheme, an I-shaped seat 109 is fixed on the surface of the ball nut 107, and a through hole recess 1010 is fixed on the I-shaped seat 109, and a guide block 1011 is fixed inside the through hole recess 1010.

[0031] Furthermore, in the above scheme, the guide block 1011 is slidably connected to the connecting bar 1013 through the guide groove 1012, and a concave bar 1014 is fixed on the connecting bar 1013, and an iron bar plate 1015 is fixed on the inner side of the concave bar 1014, wherein the above components constitute a relative sliding adjustment structure, and the relative sliding distance between the guide block 1011 and the connecting bar 1013 can be effectively changed by utilizing the relative sliding adjustment structure constituted by the above components.

[0032] In the above scheme, when the array-type high-precision belt scale body 201 needs to be moved to the corresponding workplace, the operator loosens the locking universal wheel 103, controls the adjusting cylinder 104 to drive the adjusting support plate 105 to separate from the ground force, and then pushes the array-type high-precision belt scale body 201 to move under force, and then moves the array-type high-precision belt scale body 201 to the corresponding workplace for auxiliary support by the adjusting support plate 105 again.

[0033] like Figure 4 As shown, a protective conveying structure 2 is installed on the base adjustment structure 1, and the protective conveying structure 2 includes an array type high-precision belt scale body 201 as a main body, and bearing seats 202 are fixedly installed on both sides of the array type high-precision belt scale body 201. At the same time, the bearing seat 202 is rotatably connected to one end of a double-hole connecting plate 203 through a connecting shaft, and the other end of the double-hole connecting plate 203 is also rotatably connected to a through-hole recess 1010 through a connecting shaft.

[0034] The above scheme further includes a protective plate 204 fixed on the array-type high-precision belt scale body 201, and a control electromagnet 205 is fixed on the surface of the protective plate 204, and a group of protective plates 204 are provided, and a single protective plate 204 is provided with a group of control electromagnets 205. When the above-mentioned components are provided with a group, it not only reflects the practicality of the installation and setting of the above-mentioned components, but also reflects the symmetry of the installation and setting of the above-mentioned components. When the above-mentioned components are provided with a group, the interception of the above-mentioned components on both sides of the array-type high-precision belt scale body 201 is reflected. At the same time, a single protective plate 204 is provided with a group of control electromagnets 205, and the set control electromagnets 205 are utilized to match the installation and the adsorption adjustment of the same number of concave strips 1014 set with the same number.

[0035] In the above scheme, when it is necessary to adjust the matching installation height of the array type high-precision belt scale body 201, the control motor 108 drives the bidirectional ball screw 106 to drive the through hole recess 1010 and the guide block 1011 to move relative to each other during operation. At this time, the through hole recess 1010 drives the double-hole connecting plate 203 to be relatively driven and adjusted. At this time, the double-hole connecting plate 203 changes the interval distance height of the array type high-precision belt scale body 201. At this time, the operator controls the electromagnet 205 to adsorb the iron bar plate 1015 to provide adsorption limit and auxiliary adsorption support for the adjusted array type high-precision belt scale body 201. When the material passes above the surface of the array type high-precision belt scale body 201, it is protected and intercepted by the protective plate 204.

[0036] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.

[0037] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An array type high-precision belt scale for bulk materials, comprising a base adjustment structure (1), characterized in that: A protective conveying structure (2) is installed on the base adjustment structure (1); The base adjustment structure (1) comprises a connection frame (101) with a hollow structure inside, and a locking universal wheel (103) is fixed to the bottom of the connection frame (101) via a damping shock absorber (102), and an adjustment cylinder (104) with an adjustment support plate (105) at the output end is fixed to the bottom of the connection frame (101); A bidirectional ball screw (106) is rotatably mounted inside the connection frame (101), and a ball nut (107) is passed through the bidirectional ball screw (106). At the same time, one end of the bidirectional ball screw (106) extends outside the connection frame (101) and is fixedly connected to the output end of the control motor (108).

2. The high-precision array belt scale for bulk materials according to claim 1, characterized in that: An I-shaped seat (109) is fixed above the surface of the ball nut (107), and a through hole recess (1010) is fixed on the I-shaped seat (109), while a guide block (1011) is fixed inside the through hole recess (1010).

3. The array type high-precision belt scale for bulk materials according to claim 2, characterized in that: The guide block (1011) is slidably connected to the connecting strip (1013) via the guide groove (1012), and a concave strip (1014) is fixed on the connecting strip (1013), and an iron strip plate (1015) is fixed inside the concave strip (1014).

4. The array type high-precision belt scale for bulk materials according to claim 1, characterized in that: The protective conveying structure (2) includes an array-type high-precision belt scale body (201) as a main body, and bearing seats (202) are fixedly installed on both sides of the array-type high-precision belt scale body (201), and the bearing seats (202) are rotatably connected to one end of a double-hole connecting plate (203) through a connecting shaft, and the other end of the double-hole connecting plate (203) is also rotatably connected to a through-hole recess (1010) through a connecting shaft.

5. The array type high-precision belt scale for bulk materials according to claim 4, characterized in that: A protective plate (204) is fixed on the array-type high-precision belt scale body (201), and a control electromagnet (205) is fixed on the surface of the protective plate (204).

6. The array type high-precision belt scale for bulk materials according to claim 5, characterized in that: The protective plate (204) is provided in one group, and a single protective plate (204) is provided with one group of control electromagnets (205).

Images