Electronic belt scale bar code loading and unloading device and use method thereof

Abstract

The present invention discloses an electronic belt scale bar code loading and unloading device and a method for using the same, comprising: a loading platform, wherein the two ends of the loading platform are respectively fixedly connected with a first side baffle and a second side baffle; a linear cylinder, wherein the linear cylinder is fixedly connected to the inner side of the first side baffle; two side baffles, wherein the two side baffles are fixedly connected to the two sides of the loading platform and are adjacent to the second side baffle; a rotating shaft, wherein the rotating shaft is rotatably installed between the two side baffles; a roller, wherein the roller is sleeved on the rotating shaft; a bar code, wherein the bar code is located between the linear cylinder and the roller; an arc notch, wherein the arc notch is opened on the surface of the roller; an arc airbag, wherein the arc airbag conformally matches the inner surface of the arc notch; and an air source, wherein the air source is connected to the arc airbag through a hose. The beneficial effect of the present invention is that the bar code is driven to rise or fall by the cooperation between the roller and the center of the bar code, thereby completing the loading and unloading of the bar code, and all operations only need to be performed at the bottom of the electronic belt scale, and there is no need to modify the electronic belt scale.

Description

Technical Field

[0001] The invention relates to electronic belt scale equipment, in particular to an electronic belt scale metering frame loading and unloading device and a use method thereof. Background Art

[0002] For dynamic measuring instruments such as electronic belt scales, in order to ensure weighing accuracy, their management mainly includes the following four links: formal evaluation (finalization identification) of new products; initial calibration of newly put into use belt scales; subsequent calibration of electronic belt scales in use; and in-use inspection of belt scales in use.

[0003] The above management links of electronic belt scales are mainly realized by applying simulated load tests. The usual means is: at the site of use, a certain load is applied to a certain part of the electronic belt scale's metering frame, the measured value is obtained, and the value is compared with the theoretical calculated value for evaluation or correction. This load appears in the form of a test weight of a certain weight, and the test weight can have a variety of shapes (GB / T 4167-2011 Section 5.1).

[0004] The process of applying load to and removing load from the electronic belt scale metering frame is also the process of placing test weights on and removing them from the electronic belt scale metering frame, which is usually called "loading" and "unloading". Loading and unloading can be carried out by manual handling or mechanical lifting and lowering of test weights. For a single electronic belt scale, this method is simple and easy. However, with the improvement of the measurement accuracy requirements for electronic belt scales and the development of electronic belt scale technology, the electronic belt scale industry is currently continuously improving the scale structure while gradually forming a metering system that combines multiple scale frames.

[0005] Chinese utility model patent publication number CN203241135U discloses an automatic loading device for an electronic belt scale hanging weight experiment. The motor drives the driven shaft to rotate, and the driven shaft drives the swing handle to swing, thereby driving the bar weight top fork to move up and down in the slider tube, thereby realizing automatic loading and unloading of the standard bar fork. The device uses the bar weight top fork to contact the bar weight. Since the bar weight top fork moves vertically up and down, during the process of the standard bar weight contacting the bar weight support block until the bar weight top fork detaches from the standard bar weight and stops, the standard bar weight may not fall into the bar weight support block.

[0006] China Utility Model Patent Publication No. CN207487807U discloses a single / combined electronic belt scale metering frame loading / unloading device, including a movable frame, a bar code support plate fixedly connected to the movable frame, a bar code supported on the bar code support plate, both ends of the bar code are restricted in the bar code slide groove, the bar code slide groove includes a bottom plate and a vertical plate fixedly connected to the bottom plate, a bar code movable hole for sleeved bar code is opened in the middle of the vertical plate, a slider located below the bar code is arranged parallel to one side of the vertical plate, a top side of the slider has a bevel, and a push-pull rod is fixed to one end of the slider. The bar code of the device is restricted to be installed in the bar code support plate and the bar code slide groove, and the bar code slide groove is not a standard part, and the electronic belt scale needs to be modified, which is time-consuming and labor-intensive, and the bar code slide groove needs to occupy extra space. Summary of the invention

[0007] The technical problem to be solved by the present invention is that the existing electronic belt scale bar code loading and unloading device needs to be modified, which is time-consuming and labor-intensive, and requires additional modification space. Therefore, an electronic belt scale bar code loading and unloading device and a use method thereof are provided, which do not require modification of the electronic belt scale.

[0008] The technical solution of the present invention is: an electronic belt scale bar code loading and unloading device, comprising: a loading platform, wherein the two ends of the loading platform are respectively fixed with a first side baffle and a second side baffle; a linear cylinder, wherein the linear cylinder is fixed to the inner side of the first side baffle, and the driving shaft of the linear cylinder faces the second side baffle; two side baffles, wherein the two side baffles are fixed to the two sides of the loading platform and are adjacent to the second side baffle; a rotating shaft, wherein the rotating shaft is rotatably installed between the two side baffles; a roller, wherein the roller is sleeved on the rotating shaft; a bar code, wherein the bar code is located on the loading platform between the linear cylinder and the roller; an arc notch, wherein the arc notch is opened on the surface of the roller and fits with most of the circumference of the bar code; an arc airbag, wherein the arc airbag conformally matches the inner surface of the arc notch; and an air source, wherein the air source is connected to the arc airbag through a hose.

[0009] The arc-shaped airbag in the above solution is made of rubber.

[0010] In the above solution, the rotating shaft is driven by a driving mechanism, and the driving mechanism is installed on the outside of the side baffle.

[0011] An improvement of the above solution is that a plurality of rollers are provided at the bottom of the loading platform.

[0012] The method for using the bar code loading and unloading device of the electronic belt scale comprises the following steps: when loading is required: (1) placing a plurality of bar codes on the loading platform, ensuring that the center of the bar code coincides with the central axis of the loading platform, and pushing the loading platform to the bottom of the bar code support block of the electronic belt scale; (2) rotating the shaft so that the arc-shaped notch is directly opposite to the bar code, starting the linear cylinder, and driving the shaft to push the bar code to roll toward the roller until the first bar code is conformally matched with the arc-shaped notch, the center of gravity of the first bar code is located in the arc-shaped notch, and the arc-shaped airbag fits tightly with the first bar code; (3) rotating the shaft counterclockwise to drive the first bar code to rise along the arc to the edge of the bar code support block, starting the air source to inflate the arc-shaped airbag, and the arc-shaped airbag bulges to The first bar code is pushed out of the arc-shaped gap and falls into the bar code support block, and then the air source is started to evacuate the arc-shaped airbag; (4) Push the loading platform to the bottom of the bar code support block of the next electronic belt scale and repeat steps (2)-(3); when unloading is required, (5) Push the loading platform to the bottom of the bar code of the electronic belt scale, rotate the shaft so that the arc-shaped gap is opposite to the bar code, start the air source to inflate the arc-shaped airbag, the arc-shaped airbag swells and lifts the bar code and separates it from the bar code support block, and then evacuates the arc-shaped airbag so that the bar code falls completely into the arc-shaped gap, and continue to rotate the shaft so that the arc-shaped gap drives the bar code away from the bar code support block; (6) Push the loading platform to the bottom of the bar code of the next electronic belt scale and repeat step (5).

[0013] The beneficial effect of the present invention is that the bar code is driven to rise or fall through the cooperation between the roller and the center of the bar code, thereby completing the loading and unloading of the bar code, and all operations only need to be performed at the bottom of the electronic belt scale, and there is no need to modify the electronic belt scale; the rotary lifting of the roller gives the bar code a horizontal force, so that the bar code can smoothly enter or move out of the bar code support block during loading or unloading. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the initial state of the electronic belt scale bar code loading and unloading device of the present invention;

[0015] Figure 2 It is a schematic diagram of the coordination between the arc-shaped notch and the bar weight of the bar weight loading and unloading device of the electronic belt scale of the present invention;

[0016] Figure 3 It is a schematic diagram of a bar code lifting device of an electronic belt scale bar code loading and unloading device of the present invention;

[0017] Figure 4 It is a schematic diagram of the bulging state of the airbag of the electronic belt scale bar code loading and unloading device of the present invention;

[0018] Figure 5 is a schematic diagram of a roller according to an embodiment of the present invention;

[0019] In the figure, 1. loading platform, 2. first side baffle, 3. second side baffle, 4. linear cylinder, 5. side baffle, 6. rotating shaft, 7. roller, 8. rod code, 9. arc-shaped notch, 10. arc-shaped airbag, 11. air source. DETAILED DESCRIPTION

[0020] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0021] The electronic belt scale bar code loading and unloading device comprises: a loading platform 1, wherein the two ends of the loading platform are respectively fixedly connected with a first side baffle 2 and a second side baffle 3; a linear cylinder 4, wherein the linear cylinder is fixedly connected to the inner side of the first side baffle, and the driving shaft of the linear cylinder faces the second side baffle; two side baffles 5, wherein the two side baffles are fixedly connected to the two sides of the loading platform and are adjacent to the second side baffle; a rotating shaft 6, wherein the rotating shaft is rotatably installed between the two side baffles, wherein the rotating shaft is driven by a driving mechanism, and wherein the driving mechanism is installed on the outer side of the side baffle; and a roller 7, wherein the roller is sleeved on the rotating shaft, such as Figure 5 As shown; a rod code 8, which is located on the loading platform between the linear cylinder and the roller, and both ends of the rod code are located outside the loading platform; an arcuate notch 9, which is opened on the surface of the roller and fits with most of the circumference of the rod code; an arcuate airbag 10, which conformally matches the inner surface of the arcuate notch and is made of rubber; an air source 11, which is connected to the arcuate airbag through a hose.

[0022] When loading is required: Figure 1 As shown, (1) place several bar codes on the loading platform, ensure that the center of the bar code coincides with the central axis of the loading platform, and push the loading platform to the bottom of the bar code support block of the electronic belt scale; Figure 2 As shown, (2) rotate the shaft so that the arc-shaped notch faces the bar code, start the linear cylinder, and drive the shaft to push the bar code to roll toward the roller until the first bar code is conformally matched with the arc-shaped notch, the center of gravity of the first bar code is located in the arc-shaped notch, and the arc-shaped airbag fits tightly with the first bar code; (3) as shown Figure 3 As shown in FIG. 1 , the shaft rotates counterclockwise, driving the first bar to rise along an arc to the edge of the bar support block, as shown in FIG. Figure 4As shown, start the air source to inflate the arc-shaped airbag, and the arc-shaped airbag swells to push the first bar code out of the arc-shaped gap and fall into the bar code support block, and then start the air source to deflat the arc-shaped airbag; (4) push the loading platform to the bottom of the bar code support block of the next electronic belt scale, and repeat steps (2)-(3); when unloading is required, (5) push the loading platform to the bottom of the bar code of the electronic belt scale, rotate the shaft so that the arc-shaped gap is opposite to the bar code, start the air source to inflate the arc-shaped airbag, and the arc-shaped airbag swells to lift the bar code and separate it from the bar code support block, and then deflat the arc-shaped airbag so that the bar code completely falls into the arc-shaped gap, and continue to rotate the shaft so that the arc-shaped gap drives the bar code away from the bar code support block; (6) push the loading platform to the bottom of the bar code of the next electronic belt scale, and repeat step (5).

[0023] The arc-shaped airbag refers to an airbag attached to the surface of the arc-shaped notch. It can have one, which is located in the center of the arc-shaped notch and occupies about 1 / 3-5 / 1 of the area of ​​the arc-shaped notch. When the arc-shaped airbag is inflated, it will push the bar code outward, such as Figure 5 As shown, there may be two arc-shaped airbags, which are located on both sides of the arc-shaped notch respectively. The inflation speed of the arc-shaped airbags can be precisely controlled by connecting a solenoid valve to the hose.

Claims

1. The method of using the electronic belt scale bar code loading and unloading device is characterized by: include: A loading platform (1), wherein the two ends of the loading platform are respectively fixedly connected with a first side baffle (2) and a second side baffle (3); a linear cylinder (4), wherein the linear cylinder is fixedly connected to the inner side of the first side baffle, and the driving shaft of the linear cylinder faces the second side baffle; two side baffles (5), wherein the two side baffles are fixedly connected to the two sides of the loading platform and are adjacent to the second side baffle; a rotating shaft (6), wherein the rotating shaft is rotatably mounted between the two side baffles; a roller (7), wherein the roller is sleeved on the rotating shaft; a rod code (8), wherein the rod code is located on the loading platform between the linear cylinder and the roller; an arc notch (9), wherein the arc notch is opened on the surface of the roller and is in contact with most of the circumference of the rod code; and an arc airbag (10), wherein the arc airbag conformally matches the inner surface of the arc notch; An air source (11) is connected to the arc-shaped airbag through a hose; the method of using the air source comprises the following steps: when loading is required: step 1), placing a plurality of bar codes on the loading platform, ensuring that the center of the bar code coincides with the central axis of the loading platform, and pushing the loading platform to the bottom of the bar code support block of the electronic belt scale; step 2), rotating the shaft so that the arc-shaped notch faces the bar code, starting the linear cylinder, and driving the shaft to push the bar code to roll in the direction of the roller until the first bar code is conformally matched with the arc-shaped notch, the center of gravity of the first bar code is located in the arc-shaped notch, and the arc-shaped airbag is tightly fitted with the first bar code; step 3), the shaft rotates counterclockwise, driving the first bar code to rise along the arc to the edge of the bar code support block, starting the air source to inflate the arc-shaped airbag, and the arc The arc-shaped airbag bulges to push the first bar code out of the arc-shaped gap and fall into the bar code support block, and then start the air source to evacuate the arc-shaped airbag; step 4), push the loading platform to the bottom of the bar code support block of the next electronic belt scale, and repeat steps 2)-3); when unloading is required, step 5), push the loading platform to the bottom of the bar code of the electronic belt scale, rotate the shaft so that the arc-shaped gap is opposite to the bar code, start the air source to inflate the arc-shaped airbag, the arc-shaped airbag bulges to lift the bar code and separate it from the bar code support block, and then evacuate the arc-shaped airbag so that the bar code falls completely into the arc-shaped gap, and continue to rotate the shaft so that the arc-shaped gap drives the bar code away from the bar code support block; step 6), push the loading platform to the bottom of the bar code of the next electronic belt scale, and repeat step 5).

2. The method for using the electronic belt scale bar code loading and unloading device according to claim 1, characterized in that: The arc-shaped airbag is made of rubber.

3. The method for using the electronic belt scale bar code loading and unloading device according to claim 1, characterized in that: The rotating shaft is driven by a driving mechanism, and the driving mechanism is installed on the outer side of the side baffle.

4. The method for using the electronic belt scale bar code loading and unloading device according to claim 1, characterized in that: A plurality of rollers are arranged at the bottom of the loading platform.

Images