Weighing device

Abstract

The utility model relates to the technical field of weighing, in particular to a weighing device, in particular to a weighing device of a powerful mixer, which comprises an upper supporting seat, a lower supporting seat and a weighing sensor connected between the upper supporting seat and the lower supporting seat. The weighing sensor is rotationally connected with one of the upper supporting seat and the lower supporting seat, and the weighing sensor is rotationally or fixedly connected with the other one of the upper supporting seat and the lower supporting seat. According to the utility model, the use stability of the weighing device can be improved, the service life of the weighing device is prolonged, the maintenance workload of the powerful mixer is reduced, and the maintenance cost of the powerful mixer is reduced.

Description

Technical Field

[0001] This utility model relates to the field of weighing technology, specifically to a weighing device, and particularly to a weighing device for a high-power mixer. Background Technology

[0002] Large weighing devices are widely used in industrial fields. A typical large weighing device is used in high-intensity mixers, which enable precise control of the weight of materials fed during mixing. The weighing devices in a high-intensity mixer are installed below the main unit, and usually four are arranged distributed along the front-back and left-right directions.

[0003] In the existing technology, the weighing device of the high-pressure mixer usually adopts a column-type weighing sensor. Its disadvantages are that it is affected by the vibration of the high-pressure mixer, resulting in poor stability, high damage rate and short life, which increases the maintenance workload and maintenance cost of the high-pressure mixer. Utility Model Content

[0004] To address the aforementioned problems, this utility model proposes a weighing device aimed at improving its operational stability, extending its service life, reducing the maintenance workload of the high-pressure mixer, and lowering its maintenance costs. The specific technical solution is as follows:

[0005] A weighing device includes an upper support, a lower support, and a weighing sensor connected between the upper and lower support. The weighing sensor is rotatably connected to one of the upper and lower support, and is either rotatably or fixedly connected to the other of the upper and lower support.

[0006] Preferably, the left and right ends of the weighing sensor are supported on the lower support, and the upper support is rotatably connected to the middle part of the weighing sensor.

[0007] Preferably, the upper support base includes an upper mounting plate and an upper support rib plate disposed on the upper mounting plate, and the lower support base includes a lower mounting plate and a lower support rib plate disposed on the lower mounting plate; the weighing sensor is rotatably connected to one of the upper support rib plate on the upper support base and the lower support rib plate on the lower support base, and is rotatably or fixedly connected to the other of the upper support rib plate on the upper support base and the lower support rib plate on the lower support base.

[0008] Preferably, the upper support rib is vertically arranged downwards at the lower end of the upper mounting plate, and the lower support rib is vertically arranged upwards at the upper end of the lower mounting plate; the load cell is provided with a left pin hole, a middle pin hole and a right pin hole in sequence along the left-right direction; the upper support rib on the upper support seat is connected to the middle pin hole on the load cell through a first pin, and the lower support rib on the lower support seat is connected to the left pin hole and the right pin hole on the load cell through a pair of second pins.

[0009] Preferably, the upper support rib and the lower support rib are respectively provided with corresponding pin connection holes.

[0010] Preferably, the position of the middle pin hole on the weighing sensor is higher than the positions of the left pin hole and the right pin hole.

[0011] Preferably, the number of upper support ribs is one pair and they are arranged at intervals along the front-back direction, and the two ends of the first pin are respectively connected to the pair of upper support ribs; the number of lower support ribs is two pairs, and the two pairs of lower support ribs are arranged at intervals along the front-back direction, and the same pair of lower support ribs are arranged at intervals along the left-right direction; the two ends of the pair of second pins are respectively connected to the two lower support ribs arranged in the front-back direction.

[0012] In this utility model, one end of the first pin and the second pin are respectively provided with a shoulder, and the other end of the first pin and the second pin are respectively provided with a transverse insertion hole, into which a cotter pin is inserted.

[0013] Preferably, a retaining ring is also fitted on the outer circumference of the other end of the first pin and the second pin.

[0014] Preferably, the cotter pin includes a straight pin and an arc-shaped stop rod with an arc bend integrated into one end of the straight pin. The straight pin is inserted into the transverse insertion holes of the first pin and the second pin, and the arc-shaped stop rod's arc bend recess is elastically pressed against the outer circle of the first pin and the second pin.

[0015] Preferably, the main body of the weighing sensor is a pin-shaped body, and the front and rear sides of the pin-shaped body are provided with flat surfaces. The front and rear flat surfaces of the pin-shaped body are adapted to be installed between two lower support ribs arranged in the front-rear direction.

[0016] Preferably, the weighing device is a weighing device for a high-strength mixer, the upper mounting plate is used to support the main unit of the high-strength mixer, and the upper mounting plate is provided with an extension section for connecting to the lateral anti-slip device of the main unit of the high-strength mixer.

[0017] Preferably, the upper support rib is located between a pair of lower support ribs arranged in the left-right direction, and forms a trapezoidal space with a larger upper part and a smaller lower part between the pair of lower support ribs arranged in the left-right direction. The upper support rib is a trapezoidal plate with a larger upper part and a smaller lower part. A gap is provided between the trapezoidal plate and the trapezoidal space to prevent interference when the upper support seat rotates around the first pin.

[0018] Preferably, the high-power mixer has four sets of lateral anti-slip devices, and the four sets of lateral anti-slip devices are respectively placed in the front, back, left and right directions of the main body of the high-power mixer.

[0019] In this utility model, the lateral anti-slip device of the high-power mixer includes a pair of anti-slip bases and a horizontal connecting rod rotatably connected between the pair of anti-slip bases via a hinge shaft; wherein, one of the pair of anti-slip bases is fixedly installed at the installation site of the high-power mixer, and the other anti-slip base is fixedly connected to the extension section of the upper mounting plate.

[0020] Preferably, the hinge is a ball joint hinge.

[0021] In this invention, the weighing sensor has a groove, which reduces the rigidity of the weighing sensor and forms an elastic deformable body. A weighing measurement circuit composed of several resistance strain gauges is set on the elastic deformable body.

[0022] The beneficial effects of this utility model are:

[0023] First, the weighing device of this utility model, by setting an upper support, a lower support, and a weighing sensor connected between the upper and lower support, realizes a rotatable connection between the weighing sensor and the upper or lower support. Through this rotatable connection, the upper support can adaptively form a mounting base that fits against the lower end of the main unit of the high-power mixer, and can also buffer some of the vibration and displacement deformation during the operation of the high-power mixer, thereby improving the stability of the weighing device, increasing the service life of the weighing device, reducing the maintenance workload of the high-power mixer, and lowering the maintenance cost of the high-power mixer.

[0024] Secondly, the weighing device of this utility model has an extension section on its upper mounting plate for connecting with the lateral anti-slip device of the high-pressure mixer, which can realize the mutual coordination between the weighing device and the lateral anti-slip device of the high-pressure mixer, thereby further improving the stability and vibration resistance of the high-pressure mixer.

[0025] Third, the weighing device of this utility model has an overall assembly structure that is easy to assemble and disassemble and is easy to maintain. Attached Figure Description

[0026] Figure 1 This is a structural schematic diagram of a weighing device according to the present invention;

[0027] Figure 2 yes Figure 1 The left view;

[0028] Figure 3 yes Figure 1 A schematic diagram of the structure of the weighing sensor in the diagram;

[0029] Figure 4 yes Figure 3 The left view;

[0030] Figure 5 yes Figure 1 A schematic diagram showing the positional relationship between the upper and lower support seats in the diagram.

[0031] Figure 6 yes Figure 2 A schematic diagram of the upper support seat in the middle;

[0032] Figure 7 yes Figure 1 Top view of the lower support base;

[0033] Figure 8 This is a schematic diagram of the structure of a weighing device connected to a lateral anti-movement device on a high-power mixer according to the present invention.

[0034] In the diagram: 1. Upper support seat, 2. Lower support seat, 3. Weighing sensor, 4. Upper mounting plate, 5. Upper support rib, 6. Lower mounting plate, 7. Lower support rib, 8. Left pin hole, 9. Middle pin hole, 10. Right pin hole, 11. First pin, 12. Second pin, 13. Shoulder, 14. Lateral insertion hole, 15. Cotter pin, 16. Retaining ring, 17. Straight pin, 18. Arc-shaped stop rod, 19. Arc-shaped bend, 20. Flat surface, 21. Lateral anti-slip device, 22. Extension section, 23. Anti-slip base, 24. Hinge, 25. Horizontal connecting rod, 26. Pin connection hole. Detailed Implementation

[0035] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings and examples. The following examples are only used to more clearly illustrate the technical solution of this utility model and should not be construed as limiting the scope of protection of this utility model.

[0036] like Figures 1 to 8The figure shows an embodiment of a weighing device according to the present invention, including an upper support 1, a lower support 2, and a weighing sensor 4 connected between the upper support 1 and the lower support 2. The weighing sensor 4 is rotatably connected to one of the upper support 1 and the lower support 2, and is rotatably or fixedly connected to the other of the upper support 1 and the lower support 2.

[0037] Preferably, the left and right ends of the weighing sensor 3 are supported on the lower support 1, and the upper support 2 is rotatably connected to the middle part of the weighing sensor 3.

[0038] Preferably, the upper support 1 includes an upper mounting plate 4 and an upper support rib 4 disposed on the upper mounting plate 4, and the lower support 2 includes a lower mounting plate 6 and a lower support rib 7 disposed on the lower mounting plate 6; the weighing sensor 4 is rotatably connected to one of the upper support rib 5 on the upper support 1 and the lower support rib 7 on the lower support 2, and is rotatably or fixedly connected to the other of the upper support rib 5 on the upper support 1 and the lower support rib 7 on the lower support 2.

[0039] Preferably, the upper support rib 5 is vertically arranged downwards at the lower end of the upper mounting plate 4, and the lower support rib 7 is vertically arranged upwards at the upper end of the lower mounting plate 6; the load cell 4 is provided with a left pin hole 8, a middle pin hole 9 and a right pin hole 10 in sequence along the left-right direction; the upper support rib 5 on the upper support seat 1 is connected to the middle pin hole 9 on the load cell 4 through a first pin 11, and the lower support rib 7 on the lower support seat 2 is connected to the left pin hole 8 and the right pin hole 9 on the load cell 3 through a pair of second pins 12.

[0040] Preferably, the upper support rib plate 5 and the lower support rib plate 7 are respectively provided with pin connection holes 26.

[0041] Preferably, the position of the middle pin hole 9 on the weighing sensor 4 is higher than the positions of the left pin hole 8 and the right pin hole 10.

[0042] Preferably, the number of upper support ribs 5 is one pair and they are arranged at intervals along the front-back direction. The two ends of the first pin 11 are respectively connected to the pair of upper support ribs 5. The number of lower support ribs 7 is two pairs, and the two pairs of lower support ribs 7 are arranged at intervals along the front-back direction. The same pair of lower support ribs 7 are arranged at intervals along the left-right direction. The two ends of the pair of second pins 12 are respectively connected to the two lower support ribs 7 arranged in the front-back direction.

[0043] In this embodiment, one end of the first pin 11 and the second pin 12 are respectively provided with a shoulder 13, and the other end of the first pin 11 and the second pin 12 are respectively provided with a transverse insertion hole 14, and a cotter pin 15 is inserted into the transverse insertion hole 14.

[0044] Preferably, a retaining ring 16 is also fitted on the outer circumference of the other end of the first pin 11 and the second pin 12.

[0045] Preferably, the cotter pin 15 includes a straight pin 17 and an arc-shaped stop rod 18 with an arc-shaped bend 19 integrally connected to one end of the straight pin 17. The straight pin 17 is inserted into the transverse insertion hole 14 of the first pin 11 and the second pin 12, and the notch of the arc-shaped bend 19 of the arc-shaped stop rod 18 is elastically pressed against the outer circle of the first pin 11 and the second pin 12.

[0046] Preferably, the main body of the weighing sensor 4 is a pin-shaped body, and the front and rear sides of the pin-shaped body are provided with flat surfaces 20. The front and rear flat surfaces 20 of the pin-shaped body are adapted to be installed between two lower support ribs 7 arranged in the front-rear direction.

[0047] Preferably, the weighing device is a weighing device for a high-power mixer, the upper mounting plate 4 is used to support the main unit of the high-power mixer (not shown in the figure), and the upper mounting plate 4 is provided with an extension section 22 for connecting to the lateral anti-slip device 21 of the main unit of the high-power mixer.

[0048] Preferably, the upper support rib 5 is located between a pair of lower support ribs 7 arranged in the left-right direction, and forms a trapezoidal space with a larger upper part and a smaller lower part between the pair of lower support ribs 7 arranged in the left-right direction. The upper support rib 7 is a trapezoidal plate with a larger upper part and a smaller lower part. An interval is provided between the trapezoidal plate and the trapezoidal space to prevent interference when the upper support seat 1 rotates around the first pin 11.

[0049] Preferably, the high-power mixer has four sets of lateral anti-slip devices 21, and the four sets of lateral anti-slip devices 21 are respectively placed in the front, back, left and right directions of the main body of the high-power mixer.

[0050] In this embodiment, the lateral anti-slip device 21 of the high-power mixer includes a pair of anti-slip bases 23 and a horizontal connecting rod 25 rotatably connected between the pair of anti-slip bases 23 via a hinge shaft 24; wherein, one of the pair of anti-slip bases 23 is fixedly installed at the installation site of the high-power mixer, and the other anti-slip base 23 is fixedly connected to the extension section 22 of the upper mounting plate 4.

[0051] Preferably, the hinge 24 is a ball joint hinge.

[0052] In this embodiment, the weighing sensor 4 has a groove. By opening the groove, the rigidity of the weighing sensor 4 is reduced, thereby forming an elastic deformable body. A weighing measurement circuit composed of several resistance strain gauges is set on the elastic deformable body.

[0053] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A weighing device, characterized in that, It includes an upper support, a lower support, and a load cell connected between the upper support and the lower support. The load cell is rotatably connected to one of the upper support and the lower support, and is either rotatably connected to or fixedly connected to the other of the upper support and the lower support.

2. The weighing device according to claim 1, characterized in that, The left and right ends of the weighing sensor are supported on the lower support, and the upper support is rotatably connected to the middle part of the weighing sensor.

3. A weighing device according to claim 2, characterized in that, The upper support includes an upper mounting plate and an upper support rib plate disposed on the upper mounting plate; the lower support includes a lower mounting plate and a lower support rib plate disposed on the lower mounting plate; the weighing sensor is rotatably connected to one of the upper support rib plate on the upper support and the lower support rib plate on the lower support, and is rotatably or fixedly connected to the other of the upper support rib plate on the upper support and the lower support rib plate on the lower support.

4. A weighing device according to claim 3, characterized in that, The upper support rib is vertically arranged downwards at the lower end of the upper mounting plate, and the lower support rib is vertically arranged upwards at the upper end of the lower mounting plate. The load cell is provided with a left pin hole, a middle pin hole, and a right pin hole in sequence along the left-right direction. The upper support rib on the upper support base is connected to the middle pin hole on the load cell through a first pin. The lower support rib on the lower support base is connected to the left pin hole and the right pin hole on the load cell through a pair of second pins.

5. A weighing device according to claim 4, characterized in that, The position of the middle pin hole on the weighing sensor is higher than the positions of the left pin hole and the right pin hole.

6. A weighing device according to claim 4, characterized in that, The number of upper support ribs is one pair, which are spaced apart in the front-to-back direction. The two ends of the first pin are respectively connected to one pair of upper support ribs. The number of lower support ribs is two pairs, which are spaced apart in the front-to-back direction. The same pair of lower support ribs are spaced apart in the left-to-right direction. The two ends of the pair of second pins are respectively connected to the two lower support ribs located in the front-to-back direction.

7. A weighing device according to claim 4, characterized in that, One end of the first pin and the second pin are respectively provided with a shoulder, and the other end of the first pin and the second pin are respectively provided with a transverse insertion hole, into which a cotter pin is inserted.

8. A weighing device according to claim 7, characterized in that, The cotter pin includes a straight pin and an arc-shaped stop rod with an arc bend integrated into one end of the straight pin. The straight pin is inserted into the transverse insertion holes of the first pin and the second pin, and the arc bend of the arc-shaped stop rod is elastically pressed against the outer circle of the first pin and the second pin.

9. A weighing device according to claim 4, characterized in that, The main body of the weighing sensor is a pin-shaped body, and flat surfaces are provided on the front and rear sides of the pin-shaped body. The front and rear flat surfaces of the pin-shaped body are adapted to be installed between two lower support ribs arranged in the front-rear direction.

10. A weighing device according to claim 3, characterized in that, The weighing device is a weighing device for a high-power mixer. The upper mounting plate is used to support the main unit of the high-power mixer. An extension section is provided on the upper mounting plate for connecting to the lateral anti-slip device of the main unit of the high-power mixer.

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