An online steel coil electronic scale

Abstract

The utility model discloses an online steel coil electronic scale, which relates to the field of weighing and aims to provide a steel coil weighing device with simple operation, fast and accurate weighing, stable and reliable operation. The utility model comprises a main weighing platform, the four corners below the main weighing platform are connected with a rocker-type pressure head, the rocker-type pressure head is connected with a load-bearing sensor, the four side surfaces below the main weighing platform are connected with a lower limiter, the four side surfaces below the main weighing platform are connected with the lower limiter, the two side surfaces above the main weighing platform are connected with a vertical weighing platform, and the vertical weighing platform is respectively connected with an upper weighing platform and a saddle.

Description

Technical Field

[0001] The utility model relates to the field of weighing, in particular to an online steel coil electronic scale. Background Art

[0002] Steel coil is a kind of steel material widely used in automobile, home appliance, light industry, food and other fields, so it has become an important product of various steel enterprises. All major steel rolling mills have built hot and cold rolled steel coil production lines. In order to control the quality of steel coil products, and at the same time for the needs of economic assessment and trade settlement, steel coils must be weighed between each process link on modern automated hot and cold rolled steel coil production lines. Steel coil electronic scale is a necessary special scale for realizing steel coil weighing and measurement. Its fast and accurate weighing and stable and reliable operation play a very key role in ensuring the quality of steel coil products and improving corporate benefits.

[0003] The electronic steel coil scale is installed in a foundation pit of the steel rolling production line which is about 3 to 4 meters wide and deep. In addition to installing the electronic steel coil scale, other equipment such as stepping beams or hydraulic trolleys need to be installed and passed at this location. The electronic steel coil scale is intertwined with these equipment and the space is small. The electronic steel coil scale is made into a very small table size and a very high structure. This kind of scale has poor stability, is difficult to process and install, and shakes violently during operation. The upper part of the scale has a large horizontal displacement. It is very difficult to use it as a trade settlement scale and to ensure long-term stable operation.

[0004] At present, electronic scales for steel coils usually use rocker-type weighing sensors, and a set of pull-rod limiters are arranged on the upper and lower parts of the scale platform. When in use, the rocker-type weighing sensors have a large swing amplitude, the scale platform shakes greatly, the main scale platform will be deformed after being subjected to force, and the upper scale platform will have a large horizontal displacement. In this way, the pull-rod limiter on the upper part of the scale platform will be stuck, resulting in inaccurate weighing. The actual use effect is not ideal, and it cannot meet the precise and efficient production requirements of modern steel rolling enterprises. There is an urgent need for an electronic scale for steel coils that is accurate in weighing and stable and reliable in operation. Summary of the invention

[0005] The purpose of the utility model is to overcome the problems in the prior art, such as large swing amplitude, large shaking of the weighing platform, deformation of the main weighing platform after being subjected to force, and large horizontal displacement of the upper weighing platform, which may cause the pull rod limiter on the upper part of the weighing platform to get stuck, resulting in inaccurate weighing, and to provide an electronic steel coil scale that is simple to operate, fast and accurate in weighing, especially on the production line, and can perform fast and accurate weighing and has stable and reliable operation.

[0006] An online steel coil electronic scale comprises a main weighing platform, a rocker-type pressure head is connected below the main weighing platform, the rocker-type pressure head is connected to a weighing sensor, and a lower limiter is also connected to the main weighing platform; fast and accurate weighing is achieved through the coordinated use of the weighing sensor and the rocker-type pressure head, and the stable operation of the equipment is ensured by the use of the limiter.

[0007] Preferably, the four side surfaces below the main weighing platform are connected to lower limiters, which are respectively placed in the middle of the four side surfaces. The use of the lower limiters ensures that the weighed object does not collide with or get stuck with the weighing platform, thereby facilitating the stable operation of the utility model.

[0008] Preferably, the lower limiter includes an upper base, the upper part of the upper base is connected to the main weighing platform, and the two sides of the lower part of the upper base are connected to the support blocks through mounting plates. The support blocks are respectively connected to the spring and the limit push rod. Domes are provided at both ends of the limit push rod, and the lower limiter is symmetrical.

[0009] Preferably, the diameters on both sides of the limit push rod are smaller than the diameter of the middle section, and both sides of the limit push rod are connected to the spring and the support block, and the spring is sleeved on both sides of the limit push rod; a lower base is provided on both sides of the lower limiter, and the lower base is connected to the support block through a mounting plate, and the lower base supports a trapezoidal structure. The stability of the limiter is ensured by the layout of the various components of the limiter.

[0010] Preferably, positioning seats are provided at the four corners below the main weighing platform, and the positioning seats are provided with blind holes, which are connected to the large ends of the rocker-type pressure heads, thereby facilitating the connection between the main weighing platform and the weighing sensor.

[0011] Preferably, the weighing sensor is a bridge-type weighing sensor, and a hole is provided in the middle to be connected to the small end of the rocker-type pressure head.

[0012] Preferably, both sides of the upper weighing platform are respectively connected to the upper limit switch, which includes two limit screws and a limit plate, and the limit plate is placed on the side of the weighing pit of the upper weighing platform.

[0013] Preferably, the limit screw is placed on the upper weighing platform through a fixed bracket, and the two limit screws are arranged in a vertical direction. Through the reasonable layout of the upper limit device components, the shaking of the weighing platform is limited, the normal operation of the utility model is ensured, and the service life of the utility model is also improved.

[0014] Preferably, the saddle is a "V"-shaped saddle, and the rocker-type pressure head is a double-spherical rocker-type pressure head.

[0015] Preferably, the upper side of the main weighing platform is connected to the vertical weighing platform, and the upper part of the vertical weighing platform is respectively connected to the upper weighing platform and the saddle.

[0016] The beneficial effects of the utility model are: 1. It can weigh quickly and accurately, especially when applied to production lines; 2. It runs stably and reliably, and can ensure that the machine runs stably without displacement during weighing; 3. It has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view of the utility model.

[0018] Figure 2 It is a top view of the utility model.

[0019] Figure 3 Schematic diagram of weighing sensor.

[0020] Figure 4 This is a schematic diagram of the lower limit switch.

[0021] Figure 5 Schematic diagram of the upper limit switch.

[0022] Description of the drawings: 1 saddle, 2 upper limiter, 3 upper platform scale, 4 vertical weighing platform, 5 main weighing platform, 6 weighing sensor, 7 rocker type pressure head, 8 lower limiter, 9 limit rod, 10 limit plate, 11 limit push rod, 12 spring, 13 support block, 14 mounting plate. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be described more clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0024] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the utility model includes a saddle 1, an upper limiter 2, an upper platform scale 3, a vertical scale platform 4, a main scale platform 5, a weighing sensor 6, a rocker-type pressure head 7, a lower limiter 8, a limit screw, a limit plate 10, a limit push rod 11, a spring 12, a support block 13, and a mounting plate 14.

[0025] like Figure 1 As shown, an online steel coil electronic scale includes a main scale platform 5, the four corners below the main scale platform 5 are connected to the rocker type pressure head 7, the rocker type pressure head 7 is connected to the weighing sensor 6, the four side surfaces below the main scale platform 5 are connected to the lower limiter 8, the two side surfaces above the main scale platform 5 are connected to the vertical scale platform 4, and the vertical scale platform 4 is respectively connected to the upper scale platform 3 and the saddle 1. The online steel coil electronic scale is assembled by connecting the various components to each other, which facilitates further weighing.

[0026] like Figure 1 He Ru Figure 3As shown, the utility model includes a main weighing platform 5, the four corners below the main weighing platform 5 are connected to the swing-rod type pressure head 7, the swing-rod type pressure head 7 is connected to the weighing sensor 6, the four side surfaces below the main weighing platform 5 are connected to the lower limiter 8, the two side surfaces above the main weighing platform 5 are connected to the vertical weighing platform 4, the four side surfaces below the main weighing platform 5 are connected to the lower limiter 8, the lower limiter 8 is respectively placed in the middle of the four side surfaces, the lower limiter 8 includes a mounting plate 14, the mounting plate 14 is respectively connected to the main weighing platform 5 and the support block 13, the support block 13 is divided into It is respectively connected with the spring 12 and the limiting push rod 11. Both ends of the limiting push rod 11 are provided with domes, and the diameters of the two sides are smaller than the diameter of the middle section. The spring 12 is sleeved on both sides of the limiting push rod 11. The lower limiter 8 is symmetrical and is respectively connected with the upper weighing platform 3 and the saddle 1 on the vertical weighing platform 4; the application of the lower limiter 8 solves the problem of vertical and horizontal impacts on the weighing platform when weighing the steel coil, which causes the weighing platform to shake. Its function is to force the main weighing platform 5 to produce only a very small displacement change, thereby ensuring the stable operation of the utility model.

[0027] An online steel coil electronic scale comprises a main weighing platform 5, wherein the four corners below the main weighing platform 5 are connected to a rocker-type pressure head 7, the rocker-type pressure head 7 is connected to a weighing sensor 6, the four side surfaces below the main weighing platform 5 are connected to a lower limiter 8, the two side surfaces above the main weighing platform 5 are connected to a vertical weighing platform 4, positioning seats are provided at the four corners below the main weighing platform 5, the positioning seats are provided with blind holes, the blind holes are connected to the large ends of the rocker-type pressure head 7, the vertical weighing platform 4 is respectively connected to an upper weighing platform 3 and a saddle 1, and the connection between the main weighing platform 5 and the rocker-type pressure head 7 is ensured by the setting of the positioning seats.

[0028] An online steel coil electronic scale includes a main weighing platform 5, the four corners below the main weighing platform 5 are connected to a rocker-type pressure head 7, the rocker-type pressure head 7 is connected to a weighing sensor 6, the weighing sensor 6 is a bridge-type weighing sensor, and a hole connected to the small end of the rocker-type pressure head 7 is provided in the middle, the two side surfaces above the main weighing platform 5 are connected to a vertical weighing platform 4, and the vertical weighing platform 4 is respectively connected to an upper weighing platform 3 and a saddle 1.

[0029] An online steel coil electronic scale comprises a main weighing platform 5, wherein the four corners below the main weighing platform 5 are connected to a rocker-type pressure head 7, the rocker-type pressure head 7 is connected to a weighing sensor 6, the four side surfaces below the main weighing platform 5 are connected to a lower limiter 8, the two side surfaces above the main weighing platform 5 are connected to a vertical weighing platform 4, the vertical weighing platform 4 is respectively connected to an upper weighing platform 3 and a saddle 1, the two sides of the upper weighing platform 3 are respectively connected to an upper limiter 2, the upper limiter 2 comprises two limit screws 9 and a limit plate 10, the limit plate 10 is placed on the side of a weighing pit of the upper weighing platform 3; the limit screw 9 is placed on the upper weighing platform 3 through a fixed bracket, and the two limit screws are arranged in a vertical direction.

[0030] An online steel coil electronic scale includes a main weighing platform 5, wherein the four corners below the main weighing platform 5 are connected to a rocker-type pressure head 7, the rocker-type pressure head 7 is connected to a weighing sensor 6, the four side surfaces below the main weighing platform 5 are connected to a lower limiter 8, the two side surfaces above the main weighing platform 5 are connected to a vertical weighing platform 4, and the vertical weighing platform 4 is respectively connected to an upper weighing platform 3 and a saddle 1, wherein the saddle 1 is a "V"-shaped saddle, and the rocker-type pressure head 7 is a double-spherical rocker-type pressure head. The "V"-shaped structure is arranged to facilitate the placement of steel materials, and the double-spherical rocker-type pressure head on the weighing sensor is used to force the weighing platform to reset.

[0031] In specific use, four bridge-type weighing sensors 6 are fixed on the foundation, and a double-spherical rocker-type pressure head 7 is installed in the middle. The four rocker-type pressure heads 7 are inserted into the positioning seat under the main weighing platform 5. A group of lower limiters 8 are respectively arranged on the four sides of the main weighing platform 5. Vertical weighing platforms 4 are installed on both sides of the main weighing platform 5. The upper weighing platform 3 and the V-shaped saddle 1 are fixed on the vertical weighing platform 4. The weighing platform forms a U-shaped structure, leaving space in the middle for the walking beam or the hydraulic trolley to pass, and four upper limiters 2 are arranged at the four corners of the upper weighing platform 3.

[0032] In actual use, the two limit screws 9 of each upper limit device 2 are fixed to the side of the upper weighing platform 3 through a bracket. The two limit screws 9 are arranged at 90 degrees to limit the displacement of the weighing platform in two directions. The limit plate 10 is fixed on the side foundation of the weighing pit. There is a gap of about 5 mm between the limit screw 9 and the limit plate 10.

[0033] In specific use, the lower limiter 8 is composed of three sections, with a limiter push rod 11 with double ball heads in the middle, a support block 13 and a mounting plate 14 on each side, and the limiter push rod 11 and the two support blocks 13 are kept as a whole by a coil spring 12, and the three are kept in the same level. Two lower limiters 8 are used as a group, the middle mounting plate 14 is fixed to the bracket on the weighing platform, and the two side mounting plates (14) are fixed to the bracket on the foundation.

[0034] In specific use, an online steel coil electronic scale includes a main weighing platform 5, the four corners below the main weighing platform 5 are connected to the rocker type pressure head 7, the rocker type pressure head 7 is connected to the weighing sensor 6, the four side surfaces below the main weighing platform 5 are connected to the lower limiter 8, the two side surfaces above the main weighing platform 5 are connected to the vertical weighing platform 4, the four side surfaces below the main weighing platform 5 are connected to the lower limiter 8, and the lower limiters 8 are respectively placed in the middle of the four side surfaces. The lower limiter 8 includes a mounting plate 14, and the mounting plate 14 is respectively connected to the main weighing platform 5 and the support block 13, and the support block 13 is respectively connected to the spring The spring 12 is connected to the limit push rod 11. The two ends of the limit push rod 11 are provided with domes, and the diameters of the two sides are smaller than the diameter of the middle section. The spring 12 is sleeved on both sides of the limit push rod 11. The lower limiter 8 is symmetrical. The vertical scale platform 4 is respectively connected to the upper scale platform 3 and the saddle 1. The two sides of the upper scale platform 3 are respectively connected to the upper limiter 2. The upper limiter 2 includes two limit screws 9 and a limit plate 10. The limit plate 10 is placed on the side of the scale pit of the upper scale platform 3; the limit screw 9 is placed on the upper scale platform 3 through a fixed bracket, and the two limit screws 9 are arranged in a vertical direction.

[0035] In specific use, an online steel coil electronic scale includes a main weighing platform 5, the four corners below the main weighing platform 5 are connected to the rocker type pressure head 7, the rocker type pressure head 7 is connected to the weighing sensor 6, the weighing sensor 6 is a bridge type weighing sensor, and a hole connected to the small end of the rocker type pressure head 7 is provided in the middle; the two side surfaces above the main weighing platform 5 are connected to the vertical weighing platform 4, and the four side surfaces below the main weighing platform 5 are connected to the lower limiter 8, and the lower limiter 8 is respectively placed in the middle of the four side surfaces, and the lower limiter 8 includes a mounting plate 14, and the mounting plate 14 is respectively connected to the main weighing platform 5 and the support block 13, and the support block 13 is respectively connected to the spring 12 and the limit push rod 11, and the limit push rod 11 has round tops at both ends. , and the diameters on both sides are smaller than the diameter of the middle section, the spring 12 is sleeved on both sides of the limit push rod 11, the lower limiter 8 is symmetrical, and positioning seats are provided at the four corners below the main weighing platform 5, and the positioning seats are provided with blind holes, which are connected to the large ends of the rocker type pressure head 7; the vertical weighing platform 4 is respectively connected to the upper weighing platform 3 and the saddle 1, and the upper weighing platform 3 is respectively connected to the upper limiter 2 on both sides, and the upper limiter 2 includes two limit screws 9 and a limit plate 10, and the limit plate 10 is placed on the side of the scale pit of the upper weighing platform 3; the limit screw 9 is placed on the upper weighing platform 3 through a fixed bracket, and the two limit screws 9 are arranged in a vertical direction; the saddle 1 is a "V"-shaped saddle, and the rocker type pressure head 7 is a double-spherical rocker type pressure head.

[0036] In actual use, the narrow and complex installation space of the steel coil electronic scale adopts a split combined weighing platform, which consists of a main weighing platform 5, a vertical weighing platform 4, an upper weighing platform 3 and a V-shaped saddle 1 installed on the top of the upper weighing platform 3. Two vertical weighing platforms 4 are fixed on the two sides of the main weighing platform 5, and the upper weighing platform 3 is cantilevered on the vertical weighing platform 4. The weighing platform as a whole has a unique U-shaped structure. Space is reserved in the middle above the main weighing platform 5 for the walking beam or hydraulic trolley to pass through. Each component is processed and transported separately and assembled into one on site with bolts.

[0037] In specific use, the electronic steel coil scale has high requirements for weighing accuracy. The packaging station is used as a scale for trade settlement. The use of a weighing sensor 6 with point contact loading and good resilience is the key to ensuring accuracy. At the same time, in order to adapt to the characteristics of the electronic steel coil scale that the scale platform cannot shake too much, a new high-precision bridge weighing sensor 6 is developed. A double-spherical rocker-type pressure head point 7 is used for contact loading in the middle. The weighing sensor body does not move, and only the short loading pressure head produces a small-radius swing. It has excellent characteristics such as high weighing accuracy, good loading performance and strong resetting ability, and can fully meet the use requirements of the electronic steel coil scale.

[0038] In specific use, the limiter is the main component to ensure the metering performance and long-term stability of the steel coil electronic scale. The function of the limiter is to limit the shaking of the steel coil electronic scale platform and prevent it from rubbing against or getting stuck with the scale platform. The scale platform of the steel coil electronic scale is a U-shaped structure with a small tabletop and a high height. A set of limiters are installed on the upper and lower parts of the scale platform, which can limit the shaking of the scale platform without affecting the weighing. In order to reduce the shaking amplitude of the scale platform, the main scale platform 5 adopts an articulated gapless limiter, namely the lower limiter 8, which consists of three sections: a limiter push rod 11 with a double ball head in the middle, support blocks 13 at both ends of the limiter push rod, and a mounting plate 14 on the outermost side. The limiter push rod 11 and the support block 13 are kept as one with a spiral spring 12, and the three are kept in the same level. During use, the ball head of the limiter push rod 11 and the support block 13 are "zero" gap, but there is no rigid connection between the two, which not only limits the shaking of the scale platform, but also does not affect the weighing. The limiter is used in pairs. The upper part of the weighing platform adopts a collision type gap limiter, namely the upper limiter 2, and there is a certain gap between the limit screw 9 and the limit plate 10, which does not affect the weighing. When the weighing platform shakes, the limit screw 9 hits the limit plate 10 to limit the shaking of the weighing platform, and the double spherical rocker type pressure head 7 on the weighing sensor 6 is used to force the weighing platform to reset.

[0039] In specific use, when working, the walking beam or hydraulic trolley in the steel rolling production line transports the steel coil to the top of the steel coil electronic scale, and then the walking beam or hydraulic trolley descends to place the steel coil on the V-shaped saddle 1 of the steel coil electronic scale. During the placement process, the steel coil will have a vertical and horizontal impact on the scale, which will cause the scale to shake. At this time, the joint-type gapless lower limiter takes effect, forcing the main scale 5 to only have a very small horizontal displacement; if the horizontal displacement of the upper scale 3 reaches the upper limit gap, the limit screw 9 hits the limit plate 10, limiting the movement of the scale, and the double spherical rocker type pressure head 7 on the weighing sensor 6 is used to force the scale to reset. After the reset is stable, the limit screw 9 is disengaged from the limit plate 10, and the steel coil electronic scale can weigh the steel coil, read and collect weighing data, and after the weighing is completed, the walking beam or hydraulic trolley lifts the steel coil off the steel coil electronic scale, and then sends the steel coil to the next station to complete a weighing.

[0040] The steel coil electronic scale of the utility model selects a high-precision bridge weighing sensor with a double spherical rocker-type pressure head loading method, and uses an upper limiter 2 and a lower limiter 8 with different structures and functions to solve the problems of large shaking of the scale platform of the existing steel coil electronic scale, and easy jamming of the scale platform and the limiter, resulting in inaccurate weighing. It has the advantages of high precision, high efficiency and good stability.

Claims

1. An online steel coil electronic scale, characterized in that: The main weighing platform (5) comprises a main weighing platform (5), wherein a rocker-type pressure head (7) is connected to the bottom of the main weighing platform (5), the rocker-type pressure head (7) is connected to a weighing sensor (6), and a lower limiter (8) is also connected to the main weighing platform (5). The lower limiter (8) comprises an upper base, wherein the upper part of the upper base is connected to the main weighing platform (5), and the lower sides of the upper base are connected to support blocks via mounting plates (14), and the support blocks (13) are respectively connected to a spring (12) and a limit push rod (11).

2. The online steel coil electronic scale according to claim 1 is characterized in that: The lower limiters (8) are respectively placed at the middle positions of the four side surfaces.

3. The online steel coil electronic scale according to claim 2 is characterized in that: Domes are provided at both ends of the limit push rod (11), and the lower limiter (8) is symmetrical.

4. The online steel coil electronic scale according to claim 3 is characterized in that: The diameters of the two sides of the limiting push rod (11) are smaller than the diameter of the middle section, and the two sides of the limiting push rod are connected to the spring (12) and the support block (13), and the spring (12) is sleeved on the two sides of the limiting push rod (11); a lower base is provided on both sides of the lower limiter (8), and the lower base is connected to the support block (13) through a mounting plate (14), and the lower base supports a trapezoidal structure.

5. An online steel coil electronic scale according to claim 1 or 2, characterized in that the main Positioning seats are provided at the four corners below the weighing platform (5), and the positioning seats are provided with blind holes, which are connected to the large ends of the rocker-type pressure heads (7).

6. The online steel coil electronic scale according to claim 5, characterized in that: The weighing sensor (6) is a bridge-type weighing sensor, and a hole connected to the small end of the swing-rod-type pressure head (7) is provided in the middle.

7. The online steel coil electronic scale according to claim 1 is characterized in that: Both sides of the upper weighing platform (3) are respectively connected to the upper limit stopper (2), and the upper limit stopper (2) comprises two limit screws (9) and a limit plate (10), and the limit plate (10) is placed on the side of the weighing pit of the upper weighing platform (3).

8. The online steel coil electronic scale according to claim 7, characterized in that: The limiting screw rods (9) are placed on the upper weighing platform (3) via a fixed bracket, and the two limiting screw rods (9) are arranged in a vertical direction.

9. The online steel coil electronic scale according to claim 1, characterized in that: The saddle (1) is a "V"-shaped saddle, and the rocker-type pressure head (7) is a double-spherical rocker-type pressure head.

10. According to claim 1, an online steel coil electronic scale is characterized in that the main The upper side of the weighing platform (5) is connected to the vertical weighing platform (4), and the upper side of the vertical weighing platform (4) is respectively connected to the upper weighing platform (3) and the saddle (1).

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