Glass raw material weighing device

Abstract

The utility model relates to glass substrate production equipment technical field discloses a kind of glass raw material weighing device, including support, further including bunker and control system, support is equipped with the first support plate and second support plate of mutual parallelism, first support plate is evenly equipped with several groups of telescopic device, second support plate is evenly equipped with several groups of pressure sensor, the central of first support plate and second support plate is equipped with mounting port, bunker is set in mounting port, the lateral wall of bunker is equipped with several groups of first lug seat and several groups of second lug seat, the bottom central of first lug seat and telescopic device's output end abut, second lug seat is set in the directly above of pressure sensor, the input end of control system and the output end of pressure sensor are electrically connected, the output end of control system and the input end of telescopic device are connected.The utility model's weighing structure is reasonable, can stably weigh glass raw material, can also guarantee weighing accuracy, effectively improve the use effect of glass raw material weighing device.

Description

Technical Field

[0001] This utility model relates to the technical field of glass substrate production equipment, and in particular to a glass raw material weighing device. Background Technology

[0002] Glass substrate is a thin glass sheet with an extremely flat surface. It is one of the key basic materials in the flat panel display industry. Its raw materials include potassium carbonate, silica sand and other components. In the production process of glass substrate, it needs to be fired in an electric mixing furnace.

[0003] To ensure the production quality of glass substrates, various raw materials need to be accurately weighed before firing in the kiln. For example, Chinese utility model patent CN216410369U discloses a raw material weighing device for the production of carrier glass, which includes a hopper and a machine base. The hopper is provided with an inlet and an outlet, and an inlet valve and a discharge valve are respectively installed on the inlet and outlet. A set of bait seats is fixed in a circle on the outer wall of the hopper. Support platforms corresponding to the bait seats are fixed on the machine base. Each support platform is supported under its corresponding bait seat. Each bait seat is fixed with a telescopic structure. The movable component of each telescopic structure passes through its corresponding bait seat and is fixed with a pressure sensor.

[0004] The aforementioned patent has at least the following problems: First, the weighing of the hopper is done by pressing down on the pressure sensor through a telescopic structure, which is an unreasonable weighing method and the telescopic structure is easily damaged; second, the telescopic structure needs to be pressed down synchronously and kept stable during weighing, which can easily affect the weighing accuracy. Utility Model Content

[0005] This invention addresses the shortcomings of existing technologies by developing a glass raw material weighing device. The weighing structure of this invention is reasonable, enabling stable weighing of glass raw materials while ensuring weighing accuracy, thus effectively improving the performance of the glass raw material weighing device.

[0006] The technical solution of this utility model to solve the technical problem is as follows: a glass raw material weighing device, including a support, a hopper, and a control system. The support is provided with a first support plate and a second support plate that are parallel to each other. Several sets of telescopic devices are evenly arranged on the first support plate, and several sets of pressure sensors are evenly arranged on the second support plate. An installation port is provided in the center of both the first and second support plates. The hopper is placed in the installation port. Several sets of first ear seats and several sets of second ear seats are provided on the side wall of the hopper. The bottom center of the first ear seat abuts against the output end of the telescopic device. The second ear seat is located directly above the pressure sensor. The control system includes a PLC controller, a signal acquisition module, and a touch screen. The input end of the signal acquisition module is electrically connected to the output end of the pressure sensor. The output end of the signal acquisition module is electrically connected to the input end of the PLC controller. The touch screen is electrically connected to the communication port of the PLC controller. The output end of the PLC controller is connected to the input end of the telescopic device.

[0007] As an optimization, several sets of guide shafts are vertically arranged on the top of the first support plate, and guide shaft sleeves are symmetrically arranged on both sides of the rib plate of the first ear seat, with the guide shafts set inside the guide shaft sleeves. By setting the guide shafts and guide shaft sleeves, the lifting hopper can be stabilized, preventing the hopper from shifting and affecting the weighing of glass raw materials.

[0008] As an optimization, a support block is slidably provided on the top of the second support plate, and the height of the top of the support block is greater than or equal to the height of the top of the pressure sensor. By setting the support block, the second lug can be supported instead of the telescopic device during long-term shutdown or maintenance, thus extending the service life of the telescopic device.

[0009] As an optimization, the top of the second support plate is provided with a sliding groove, which is symmetrically arranged on both sides of the pressure sensor. The end of the sliding groove closer to the pressure sensor is located below the second ear seat, and the bottom of the support block is slidably disposed within the sliding groove. By setting the sliding groove, the position of the support block can be easily adjusted, allowing the support block to quickly slide under the second ear seat to support it, ensuring that the support block can support the second ear seat, and also allowing the support block to quickly slide out from under the second ear seat, avoiding interference with the pressure sensor's weighing.

[0010] As an optimization, the hopper is equipped with a feed pipe at the top and a funnel-shaped bottom with a discharge pipe at the center of the bottom. The feed pipe facilitates material feeding, and the discharge pipe facilitates material discharge.

[0011] As an optimization, a conveying pipe is fitted onto the outside of the feed pipe. By setting up the conveying pipe, glass raw materials can be easily received and transported without affecting the feed pipe's movement as it rises and falls with the hopper.

[0012] As an optimization, a baffle is installed at the top of the conveying pipe, with a discharge hole in the center of the baffle. The bottom end of the discharge pipe passes through the discharge hole and is installed inside the conveying pipe. By setting up the baffle and the discharge hole, the escape of glass raw material dust can be reduced, thus minimizing its impact on the workshop environment.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] By setting up a bracket, a first support plate and a second support plate can be installed; by setting up the first support plate and a telescopic device, the hopper can be stably raised and supported during material unloading, and stably lowered and separated from the hopper during material loading and weighing, avoiding affecting the weighing accuracy; by setting up the second support plate and a pressure sensor, the hopper can be supported and the weight of the glass raw material can be accurately weighed; by setting up the hopper, the glass raw material can be placed for weighing; by setting up the first lug, it can cooperate with the telescopic device to support and raise and lower the hopper; by setting up the second lug, it can cooperate with the pressure sensor to accurately weigh the glass raw material; by setting up a control system, it can receive and process the signal from the pressure sensor and control the telescopic device. The weighing structure of this utility model is reasonable, can stably weigh glass raw materials, and can ensure weighing accuracy, effectively improving the use effect of the glass raw material weighing device. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of one embodiment of the present utility model.

[0016] Figure 2 This is a schematic diagram of the first ear seat in one embodiment of the present invention.

[0017] Figure 3 This is a schematic diagram of the second support plate, pressure sensor, and support block in one embodiment of the present invention.

[0018] In the diagram: 1. Bracket; 2. First support plate; 3. Hopper; 4. Second support plate; 5. First lug; 6. Telescopic device; 7. Mounting port; 8. Pressure sensor; 9. Second lug; 10. Guide shaft; 11. Support block; 12. Slide groove; 13. Conveyor pipe; 14. Baffle.

[0019] 31. Feed pipe; 32. Discharge pipe;

[0020] 51. Guide sleeve. Detailed Implementation

[0021] To clearly illustrate the technical features of this solution, the present invention will be described in detail below through specific implementation methods and in conjunction with the accompanying drawings.

[0022] Example 1

[0023] Figures 1 to 3As one embodiment of this utility model, such as Figures 1 to 3 As shown, a glass raw material weighing device includes a support 1, a hopper 3, and a control system (not shown in the figure). The support 1 has a first support plate 2 and a second support plate 4 arranged horizontally from top to bottom, parallel to each other. At least two sets of telescopic devices 6 are evenly arranged on the top of the first support plate 2, and at least two sets of pressure sensors 8 are evenly arranged on the top of the second support plate 4. An installation port 7 is provided in the center of both the first and second support plates 2 and 4. The hopper 3 is located within the installation port 7. At least two sets of first ear seats 5 and at least two sets of second ear seats 9 are evenly arranged on the side wall of the hopper 3. The bottom center of the first ear seat 5 abuts against the output end of the telescopic device 6. The telescopic device 6 can be any one of a pneumatic cylinder, hydraulic cylinder, or electric cylinder. The second ear seats 9 are correspondingly positioned directly above the pressure sensors 8. The control system includes a PLC controller, a signal acquisition module, and a touch screen. The input end of the signal acquisition module is electrically connected to the output end of the pressure sensor 8, and the output end of the signal acquisition module is electrically connected to the input end of the PLC controller. The touch screen is electrically connected to the communication port of the PLC controller, and the output end of the PLC controller is connected to the input end of the telescopic device 6.

[0024] By setting bracket 1, a first support plate 2 and a second support plate 4 can be installed; by setting the first support plate 2 and the telescopic device 6, the material bin 3 can be stably raised and supported during material unloading, and the material bin 3 can be stably lowered and separated from the material bin 3 during weighing, so as to avoid affecting the weighing accuracy; by setting the second support plate 4 and the pressure sensor 8, the material bin 3 can be supported and the weight of glass raw materials can be accurately weighed; by setting the material bin 3, glass raw materials can be placed for weighing; by setting the first lug 5, the material bin 3 can be raised and lowered in conjunction with the telescopic device 6; by setting the second lug 9, the material bin 3 can be raised and lowered in conjunction with the pressure sensor 8, and the glass raw materials can be accurately weighed; by setting the control system, the signal from the pressure sensor can be received and processed to control the telescopic device.

[0025] like Figure 1 and Figure 2 As shown, several sets of guide shafts 10 are vertically arranged on the top of the first support plate 2, and two sets of guide shaft sleeves 51 are symmetrically arranged on both sides of the rib plate of the first ear seat 5. The guide shafts 10 are set inside the guide shaft sleeves 51. By setting the guide shafts 10 and guide shaft sleeves 51, the lifting bin 3 can be stabilized, preventing the bin 3 from shifting and affecting the weighing of glass raw materials.

[0026] like Figure 1 and Figure 3 As shown, a support block 11 is slidably provided on the top of the second support plate 4, and the height of the top of the support block 11 is greater than or equal to the height of the top of the pressure sensor 8. By setting the support block 11, it can replace the telescopic device 6 to support the second lug 9 during long-term shutdown or maintenance, thus extending the service life of the telescopic device 6.

[0027] like Figure 3 As shown, the top of the second support plate 4 is provided with a sliding groove 12, which is symmetrically arranged on both sides of the pressure sensor 8. The end of the sliding groove 12 closer to the pressure sensor 8 is located below the second ear seat 9, and the end of the sliding groove 12 away from the pressure sensor 8 is located on the outside of the second ear seat 9. The bottom of the support block 11 is slidably disposed within the sliding groove 12. By providing the sliding groove 12, the position of the support block 11 can be easily adjusted, allowing the support block 11 to quickly slide under the second ear seat 9 to support it, ensuring that the support block 11 can support the second ear seat 9, and also allowing the support block 11 to quickly slide out from under the second ear seat 9, avoiding interference with the weighing of the pressure sensor 8.

[0028] like Figure 1 As shown, the top of the silo 3 is equipped with a feed pipe 31, and the bottom of the silo 3 is funnel-shaped. A discharge pipe 32 is located in the center of the bottom of the silo 3. The feed pipe 31 has a feed valve, and the discharge pipe 32 has a discharge valve. The output terminal of the PLC controller is electrically connected to the input terminals of the feed valve and the discharge valve, respectively, allowing the PLC controller to open and close the feed valve and the discharge valve. The feed pipe 31 and feed valve facilitate feeding; the discharge pipe 32 and discharge valve facilitate weighing and discharging.

[0029] like Figure 1 As shown, a conveying pipe 13 is sleeved on the outside of the feeding pipe 32. By setting the conveying pipe 13, glass raw materials can be easily received and conveyed without affecting the feeding pipe 32 as it rises and falls with the hopper 3.

[0030] like Figure 1 As shown, a baffle 14 is provided at the top of the conveying pipe 13, and a discharge hole is provided in the center of the baffle 14. The bottom end of the discharge pipe 32 passes through the discharge hole and is installed inside the conveying pipe 13. A gap is provided between the discharge pipe 32 and the baffle 14. By setting the baffle 14 and the discharge hole, the escape of glass raw material dust and its impact on the workshop environment can be reduced.

[0031] In the initial state, the output ends of all telescopic devices 6 extend and abut against the first ear seat 5, the hopper 3 is in the raised state, and the second ear seat 9 is separated from the pressure sensor 8. At this time, the operator presets the target weight, preset feeding time, and preset hopper residual amount on the touch screen, and then starts the operation. The PLC controller receives the signal and controls the output ends of all telescopic devices 6 to retract synchronously. The hopper 3 descends steadily under the action of the guide shaft 10 and guide sleeve 51. As the hopper 3 descends, the second ear seat 9 begins to abut against the pressure sensor 8. The pressure sensor 8 transmits the collected signal to the PLC controller. When the output ends of the telescopic devices 6 are completely retracted, the output ends of the telescopic devices 6 are completely separated from the first ear seat 5. At this time, the weight of the hopper 3 collected by the pressure sensor 8 is the same as the self-weight of the hopper 3 preset by the PLC program. The PLC controller controls the feeding valve to open to feed the material.

[0032] During feeding, pressure sensor 8 collects the total weight of hopper 3 and raw materials in real time. The PLC controller calculates the total weight and subtracts the weight of hopper 3 from the total weight, displaying the real-time weight of the raw materials on the touch screen. When the real-time weight of the raw materials reaches 96% of the target weight, the PLC controller outputs a pulse signal to intermittently open and close the feed valve to prevent excessive material intake. When the real-time weight of the raw materials reaches the preset target weight, the PLC controller outputs a signal to close the feed valve, the feeding is completed, the operator confirms on the touch screen, and the unloading is started.

[0033] During material feeding, the PLC controller controls the output ends of all telescopic devices 6 to extend synchronously. The hopper 3 rises steadily under the action of the guide shaft 10 and guide sleeve 51. As the hopper 3 rises, the second ear 9 disengages from the pressure sensor 8. The PLC controller outputs a signal to open the feeding valve to feed the material. The glass raw material is discharged through the feeding pipe 32 and transported through the conveying pipe 13. After the feeding time is reached, the PLC controller detects the residue. The PLC controller sends a signal to control the output ends of all telescopic devices 6 to retract synchronously, so that the second ear 9 abuts against the pressure sensor 8. The pressure sensor 8 collects the total weight of the hopper 3 and the residue. The PLC controller calculates in real time, subtracts the weight of the hopper 3 from the total weight to obtain the residual weight, and displays it on the touch screen. When the residual amount is less than the preset hopper residual amount, it can be confirmed that there is no residue. The PLC controller controls the feeding valve to close and controls the hopper to return to the initial state to wait for the next weighing. When the residual amount is greater than the preset hopper residual amount, the PLC controller outputs an alarm signal, the touch screen displays the alarm information, and the buzzer built into the touch screen sounds, waiting for the staff to confirm.

[0034] During prolonged downtime or maintenance, workers can slide the support block 11 under the second ear seat 9 via the slide groove 12. After retracting the output end of the telescopic device 6, the second ear seat 9 falls onto the support block 11, preventing the telescopic device 6 from continuously supporting the hopper 3 and extending its service life. This invention features a reasonable weighing structure that can stably weigh glass raw materials while ensuring weighing accuracy, effectively improving the performance of the glass raw material weighing device.

[0035] The descriptions of the orientation or relative positional relationships of the structure in this utility model, such as "center", "up", "down", "left", "right", "vertical", "horizontal", "inner", and "outer", are based on the orientation or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the structure referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

Claims

1. A glass raw material weighing device, comprising a support (1), characterized in that: It also includes a hopper (3) and a control system. The bracket (1) is provided with a first support plate (2) and a second support plate (4) that are parallel to each other. Several sets of telescopic devices (6) are evenly provided on the first support plate (2). Several sets of pressure sensors (8) are evenly provided on the second support plate (4). The first support plate (2) and the second support plate (4) are both provided with an installation port (7). The hopper (3) is located in the installation port (7). Several sets of first ear seats (5) and several sets of second ear seats (9) are provided on the side wall of the hopper (3). The bottom center of the first ear seat (5) abuts against the output end of the telescopic device (6). The second ear seat (9) is located directly above the pressure sensor (8). The control system includes a PLC controller, a signal acquisition module and a touch screen. The input end of the signal acquisition module is electrically connected to the output end of the pressure sensor (8). The output end of the signal acquisition module is electrically connected to the input end of the PLC controller. The touch screen is electrically connected to the communication port of the PLC controller. The output end of the PLC controller is connected to the input end of the telescopic device (6).

2. The glass raw material weighing device according to claim 1, characterized in that: The top of the first support plate (2) is vertically provided with several sets of guide shafts (10), and the ribs of the first ear seat (5) are symmetrically provided with guide shaft sleeves (51), and the guide shafts (10) are set inside the guide shaft sleeves (51).

3. The glass raw material weighing device according to claim 1, characterized in that: The top of the second support plate (4) is provided with a support block (11), and the height of the top of the support block (11) is greater than or equal to the height of the top of the pressure sensor (8).

4. The glass raw material weighing device according to claim 3, characterized in that: The top of the second support plate (4) is provided with a sliding groove (12), which is symmetrically arranged on both sides of the pressure sensor (8). The end of the sliding groove (12) near the pressure sensor (8) is located below the second ear seat (9), and the bottom of the support block (11) is slidably arranged in the sliding groove (12).

5. The glass raw material weighing device according to any one of claims 1 to 4, characterized in that: The top of the silo (3) is provided with a feed pipe (31), the bottom of the silo (3) is funnel-shaped, and the center of the bottom of the silo (3) is provided with a discharge pipe (32).

6. The glass raw material weighing device according to claim 5, characterized in that: A conveying pipe (13) is sleeved on the outside of the feeding pipe (32).

7. The glass raw material weighing device according to claim 6, characterized in that: The top of the conveying pipe (13) is provided with a baffle (14), and the center of the baffle (14) is provided with a discharge hole. The bottom end of the discharge pipe (32) passes through the discharge hole and is set inside the conveying pipe (13).

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