Intelligent digital weighing transmitter calibration device

Abstract

The utility model relates to the technical field of instrument calibration, in particular to an intelligent digital weighing transmitter calibration device which comprises an installation bottom plate, a fixed supporting frame is fixedly connected to the top end of the installation bottom plate, a connecting top plate is fixedly connected to the top of the fixed supporting frame, a first motor is connected to the top of the connecting top plate, and a second motor is connected to the top of the first motor. The output end of the first motor is connected with a lead screw through a vertically meshed gear set, the outer side of the surface of the lead screw is connected with a movable mounting block through threads, and the bottom end of the movable mounting block is fixedly connected with a connecting clamping lifting mechanism. And the goods can be pushed from four directions, so that the goods can be located in the middle position at the top of the connecting supporting plate, the calibration precision can be improved, and operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of instrument calibration, in particular to an intelligent digital weighing transmitter calibration device. Background Art

[0002] Weighing transmitter, also called weight transmitter, is a kind of transmitter that converts physical quantity into electrical signal and converts the sensor with millivolt signal output into standard DC signal through isolation and amplification. It is usually designed and manufactured using SMT technology for resistive strain signal sensors in industrial processes and is suitable for weighing sensors of different specifications.

[0003] After searching, a docking and calibration device for an intelligent digital weighing transmitter disclosed in publication number CN217384447U includes: a fixed base, two supporting columns are fixedly installed on the top of the fixed base, a top plate is fixedly installed on the top ends of the two supporting columns, a one-way screw transverse moving mechanism is arranged on the top plate, a lifting cylinder is arranged below the top plate, the top end of the lifting cylinder is connected to the one-way screw transverse moving mechanism, a connecting plate is fixedly installed on the telescopic shaft of the lifting cylinder, and a bidirectional screw transverse moving mechanism is arranged on the connecting plate.

[0004] The above-mentioned technical solution has certain beneficial effects, but in actual use, due to the contact between the lower part of the push plate and the goods, if the height of the goods is low and the weight is heavy, the push plate is easy to bend, resulting in damage and cannot be used normally. For this reason, we propose an intelligent digital weighing transmitter calibration device. Utility Model Content

[0005] In view of the above problems, the utility model provides an intelligent digital weighing transmitter calibration device, which can solve the problems existing in the above background technology.

[0006] The technical solution of the utility model is:

[0007] A smart digital weighing transmitter calibration device comprises a mounting base plate, the top end of the mounting base plate is fixedly connected to a fixed support frame, the top of the fixed support frame is fixedly connected to a connecting top plate, the top of the connecting top plate is connected to a first motor, the output end of the first motor is connected to a lead screw via a vertically meshing gear set, the outer surface of the lead screw is threadedly connected to a movable mounting block, the bottom end of the movable mounting block is fixedly connected to a connecting clamping and lifting mechanism, one side of the top of the mounting base plate is fixedly connected to a centering mechanism, the top of the centering mechanism is provided with a connecting support plate, and the other side of the top of the mounting base plate is fixedly connected to a weighing device.

[0008] In a further technical solution, mounting bolts are symmetrically provided at the bottom end of the connecting top plate, and the bottom end of the connecting top plate is connected to a connecting mounting foot through the mounting bolts, one end of the connecting mounting foot is fixedly connected to a fixed connecting plate, and one side of the fixed connecting plate is fixedly connected to a pressure sensor.

[0009] In a further technical solution, the front and rear surfaces of the connecting support plate are symmetrically provided with fixing holes, and the interior of the connecting support plate is provided with fixing guide grooves.

[0010] In a further technical solution, the connecting clamping lifting mechanism includes a hydraulic rod, the output end of the hydraulic rod is fixedly connected to a fixed mounting plate, the top of the fixed mounting plate is symmetrically provided with a fixed sleeve block, the interior of the fixed sleeve block is fixedly connected to an electric telescopic rod, the output end of the electric telescopic rod is fixedly connected to a fixed connecting arm, and the inner bottom end of the fixed connecting arm is fixedly connected to a connecting rod.

[0011] In a further technical solution, the outer surface of the connecting rod fits with the inner side of the fixed socket, and the surface of the fixed connecting arm fits with the edge surface of the connecting support plate.

[0012] In a further technical solution, the centering mechanism includes a connecting bottom box, a second motor is provided in the middle of the inner bottom end of the connecting bottom box, the output end of the second motor is fixedly connected to a rotating adjustment disk, an arc guide groove is provided inside the rotating adjustment disk, a movable connecting rod is movably connected to the inner side of the arc guide groove, a connecting push block is fixedly connected to the top of the connecting bottom box, and the bottom of the connecting push block and the top of the connecting bottom box are in contact with each other.

[0013] In a further technical solution, the outer surface of the movable connecting rod slides with the inner side of the arc guide groove and the inner side of the top of the centering mechanism, and the outer surface of the connecting push block slides with the inner side of the fixed guide groove.

[0014] The beneficial effects of the utility model are:

[0015] 1. The centering mechanism can ensure that when the goods are on the top of the connecting pallet, they can be pushed from four directions, so that the goods can be in the center position on the top of the connecting pallet, thereby improving the calibration accuracy and facilitating operation;

[0016] 2. By means of the provided mounting bolts, the connecting mounting feet, the fixed connecting plate and the pressure sensor, when the connecting clamping and lifting mechanism is moved, pressure can be applied to the pressure sensor, thereby transmitting a signal to the controller, and the first motor is switched on and off by the controller, so that the connecting clamping and lifting mechanism can be stably moved to the top of the cargo or the weighing device, which is convenient for use and improves the accuracy of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of an intelligent digital weighing transmitter calibration device according to an embodiment of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the connection and installation legs of an intelligent digital weighing transmitter calibration device according to an embodiment of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of a connection, clamping and lifting mechanism of an intelligent digital weighing transmitter calibration device according to an embodiment of the utility model;

[0020] Figure 4 The utility model is a schematic diagram of the centering mechanism structure of an intelligent digital weighing transmitter calibration device according to an embodiment of the utility model.

[0021] Description of reference numerals:

[0022] 1. Install the bottom plate; 2. Fix the support frame; 3. Connect the top plate; 4. The first motor; 5. Screw rod; 6. Move the mounting block; 7. Connect the clamping and lifting mechanism; 8. Centering mechanism; 9. Connect the support plate; 10. Weighing device; 11. Install bolts; 12. Connect the mounting feet; 13. Fix the connecting plate; 14. Pressure sensor; 15. Hydraulic rod; 16. Fix the mounting plate; 17. Fix the sleeve block; 18. Electric telescopic rod; 19. Fix the connecting arm; 20. Connect the plug rod; 21. Fix the socket; 22. Fix the guide groove; 23. Connect the bottom box; 24. The second motor; 25. Rotate the adjustment disk; 26. Arc guide groove; 27. Active connecting rod; 28. Connect the push block. DETAILED DESCRIPTION

[0023] The embodiments of the present utility model will be further described below in conjunction with the accompanying drawings.

[0024] Example:

[0025] like Figure 1-Figure 4 As shown, an intelligent digital weighing transmitter calibration device includes a mounting base plate 1, the top end of the mounting base plate 1 is fixedly connected to a fixed support frame 2, the top of the fixed support frame 2 is fixedly connected to a connecting top plate 3, the top of the connecting top plate 3 is connected to a first motor 4, the output end of the first motor 4 is connected to a lead screw 5 through a vertically meshing gear set, the outer surface of the lead screw 5 is connected to a movable mounting block 6 through a thread, the bottom end of the movable mounting block 6 is fixedly connected to a connecting clamping and lifting mechanism 7, one side of the top of the mounting base plate 1 is fixedly connected to a centering mechanism 8, the top of the centering mechanism 8 is provided with a connecting support plate 9, and the other side of the top of the mounting base plate 1 is fixedly connected to a weighing device 10.

[0026] The working principle of the above technical solution is as follows:

[0027] During use, the goods are placed on the top of the connecting pallet 9. The centering mechanism 8 can push the goods so that the goods are centered on the top of the connecting pallet 9, thereby improving the calibration accuracy. At the same time, the connecting clamping and lifting mechanism 7 can clamp the connecting pallet 9 and lift and move it so that the connecting pallet 9 and the goods are on the top of the weighing device 10, thereby performing weighing calibration, which is easy to operate.

[0028] In another embodiment, if Figure 2 As shown, the bottom end of the connecting top plate 3 is symmetrically provided with mounting bolts 11, and the bottom end of the connecting top plate 3 is connected to a connecting mounting foot 12 through the mounting bolts 11, one end of the connecting mounting foot 12 is fixedly connected to a fixed connecting plate 13, and one side of the fixed connecting plate 13 is fixedly connected to a pressure sensor 14.

[0029] In order to facilitate the connection and clamping lifting mechanism 7 to move, pressure can be applied to the pressure sensor 14 to transmit a signal to the controller, and the first motor 4 is switched on and off by the controller, so that the connection and clamping lifting mechanism 7 can be stably moved to the top of the cargo or the weighing device 10, thereby improving the accuracy during the operation.

[0030] In another embodiment, if Figure 4 As shown, the front and rear surfaces of the connecting support plate 9 are symmetrically provided with fixing holes 21 , and the interior of the connecting support plate 9 is provided with fixing guide grooves 22 .

[0031] The clamping and lifting mechanism 7 and the centering mechanism 8 can be conveniently connected to cooperate with the fixed insertion hole 21 and the fixed guide groove 22, thereby improving the stability of use.

[0032] In another embodiment, if Figure 3 As shown, the connection clamping lifting mechanism 7 includes a hydraulic rod 15, the output end of the hydraulic rod 15 is fixedly connected to a fixed mounting plate 16, the top of the fixed mounting plate 16 is symmetrically provided with a fixed sleeve block 17, the interior of the fixed sleeve block 17 is fixedly connected to an electric telescopic rod 18, the output end of the electric telescopic rod 18 is fixedly connected to a fixed connecting arm 19, and the inner bottom end of the fixed connecting arm 19 is fixedly connected to a connecting plug rod 20.

[0033] The hydraulic rod 15 is convenient for moving the fixed mounting plate 16, the fixed sleeve block 17, the electric telescopic rod 18, the fixed connecting arm 19 and the connecting plug rod 20 downward, so that the connecting plug rod 20 can be at the end of the fixed socket 21, and then the electric telescopic rod 18 pulls the fixed connecting arm 19, so that the connecting plug rod 20 can be inserted into the inner side of the fixed socket 21 and connected to the connecting support plate 9, and then the hydraulic rod 15 contracts to move the fixed mounting plate 16, the fixed sleeve block 17, the electric telescopic rod 18, the fixed connecting arm 19, the connecting plug rod 20, the connecting support plate 9 and the cargo upward, and the operation moves.

[0034] In another embodiment, if Figure 3 As shown, the outer surface of the connecting rod 20 fits with the inner side of the fixed plug hole 21 , and the surface of the fixed connecting arm 19 fits with the edge surface of the connecting support plate 9 .

[0035] The connecting rod 20 can be stably inserted into the inner side of the fixed plug hole 21, so that the fixed connecting arm 19 and the connecting support plate 9 fit each other, which is convenient for operation.

[0036] In another embodiment, if Figure 4 As shown, the centering mechanism 8 includes a connecting bottom box 23, a second motor 24 is provided in the middle of the inner bottom end of the connecting bottom box 23, a rotating adjustment disk 25 is fixedly connected to the output end of the second motor 24, an arc guide groove 26 is provided inside the rotating adjustment disk 25, a movable connecting rod 27 is movably connected to the inner side of the arc guide groove 26, a connecting push block 28 is fixedly connected to the top of the connecting bottom box 23, and the bottom of the connecting push block 28 fits with the top of the connecting bottom box 23.

[0037] The second motor 24 is convenient for driving the rotating adjustment disk 25, so that when the rotating adjustment disk 25 rotates, the movable connecting rod 27 moves under the action of the arc guide groove 26, and then the connecting push block 28 moves to push the goods, and then the goods are centered, which is easy to operate.

[0038] In another embodiment, if Figure 4 As shown, the outer surface of the movable connecting rod 27 is slidably fitted with the inner side of the arc guide groove 26 and the inner side of the top end of the centering mechanism 8, and the outer surface of the connecting push block 28 is slidably fitted with the inner side of the fixed guide groove 22.

[0039] The movable connecting rod 27 can stably move inside the arc-shaped guide groove 26, and the connecting push block 28 can stably move inside the fixed guide groove 22, which is easy to operate.

[0040] The working principle of the utility model is as follows: during use, the goods are placed on the top of the connecting support plate 9, and then the second motor 24 drives the rotating adjustment disk 25, so that when the rotating adjustment disk 25 rotates, the movable connecting rod 27 is moved under the action of the arc guide groove 26, and then the connecting push block 28 is moved to push the goods, and then the goods are centered, and then the first motor 4 drives the gear set to rotate the screw rod 5, so that the movable mounting block 6 and the connecting clamping lifting mechanism 7 can move as a whole on the outside of the surface of the screw rod 5, so that the hydraulic rod 15 can squeeze the pressure sensor 14 located above the connecting support plate 9. At this time, the pressure sensor 14 transmits a signal to the controller, and the controller shuts down the first motor 4, and then the hydraulic rod 15 moves the fixed mounting plate 16, the fixed sleeve block 17, the electric telescopic rod 18, the fixed connecting arm 19 and the connecting plug rod 20 downward, so that the connecting plug rod 20 can be in a fixed position. The end of the fixed socket 21 is then pulled by the electric telescopic rod 18 to the fixed connecting arm 19, so that the connecting rod 20 can be inserted into the inner side of the fixed socket 21 and connected with the connecting support plate 9, and then the hydraulic rod 15 is contracted to move the fixed mounting plate 16, the fixed sleeve block 17, the electric telescopic rod 18, the fixed connecting arm 19, the connecting rod 20, the connecting support plate 9 and the goods upward, and then the controller turns on the first motor 4 to move the mobile mounting block 6, the connecting clamping lifting mechanism 7 and the goods as a whole. When the hydraulic rod 15 squeezes the pressure sensor 14 located above the weighing device 10, the controller turns off the first motor 4 at this time, and the hydraulic rod 15 moves the goods downward, so that the connecting support plate 9 is at the top of the weighing device 10, and then the electric telescopic rod 18 pushes the fixed connecting arm 19 and the connecting rod 20, so that the connecting rod 20 can be pulled out from the inner side of the fixed socket 21, thereby performing weighing calibration, with a simple structure and convenient operation.

[0041] The above embodiments only express the specific implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. An intelligent digital weighing transmitter calibration device, comprising a mounting base plate (1), characterized in that: The top end of the mounting base plate (1) is fixedly connected to a fixed support frame (2), the top of the fixed support frame (2) is fixedly connected to a connecting top plate (3), the top of the connecting top plate (3) is connected to a first motor (4), the output end of the first motor (4) is connected to a screw rod (5) via a vertically meshing gear set, the outer surface of the screw rod (5) is connected to a movable mounting block (6) via a thread, the bottom end of the movable mounting block (6) is fixedly connected to a connecting clamping and lifting mechanism (7), one side of the top of the mounting base plate (1) is fixedly connected to a centering mechanism (8), the top of the centering mechanism (8) is provided with a connecting support plate (9), and the other side of the top of the mounting base plate (1) is fixedly connected to a weighing device (10).

2. The intelligent digital weighing transmitter calibration device according to claim 1, characterized in that: The bottom end of the connecting top plate (3) is symmetrically provided with mounting bolts (11), the bottom end of the connecting top plate (3) is connected to a connecting mounting support foot (12) via the mounting bolts (11), one end of the connecting mounting support foot (12) is fixedly connected to a fixed connecting plate (13), and one side of the fixed connecting plate (13) is fixedly connected to a pressure sensor (14).

3. The intelligent digital weighing transmitter calibration device according to claim 1, characterized in that: The front and rear surfaces of the connecting support plate (9) are symmetrically provided with fixing plug holes (21), and the interior of the connecting support plate (9) is provided with a fixing guide groove (22).

4. The intelligent digital weighing transmitter calibration device according to claim 3 is characterized in that: The connecting clamping lifting mechanism (7) comprises a hydraulic rod (15), the output end of the hydraulic rod (15) is fixedly connected to a fixed mounting plate (16), a fixed sleeve block (17) is symmetrically arranged on the top of the fixed mounting plate (16), an electric telescopic rod (18) is fixedly connected inside the fixed sleeve block (17), the output end of the electric telescopic rod (18) is fixedly connected to a fixed connecting arm (19), and the inner bottom end of the fixed connecting arm (19) is fixedly connected to a connecting plug rod (20).

5. The intelligent digital weighing transmitter calibration device according to claim 4, characterized in that: The outer surface of the connecting rod (20) fits with the inner side of the fixed insertion hole (21), and the surface of the fixed connecting arm (19) fits with the edge surface of the connecting support plate (9).

6. The intelligent digital weighing transmitter calibration device according to claim 3, characterized in that: The centering mechanism (8) comprises a connecting bottom box (23), a second motor (24) is provided at the middle of the inner bottom end of the connecting bottom box (23), a rotating adjustment disk (25) is fixedly connected to the output end of the second motor (24), an arc-shaped guide groove (26) is provided inside the rotating adjustment disk (25), a movable connecting rod (27) is movably connected to the inner side of the arc-shaped guide groove (26), a connecting push block (28) is fixedly connected to the top of the connecting bottom box (23), and the bottom of the connecting push block (28) is in contact with the top of the connecting bottom box (23).

7. The intelligent digital weighing transmitter calibration device according to claim 6, characterized in that: The outer surface of the movable connecting rod (27) is slidably fitted with the inner side of the arc-shaped guide groove (26) and the inner side of the top end of the centering mechanism (8), and the outer surface of the connecting push block (28) is slidably fitted with the inner side of the fixed guide groove (22).

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