Calibration device for weighing feeder

Abstract

The utility model provides a calibration device for a weighing feeder, which comprises a weighing belt, a weighing roller and a calibration roller are arranged in the weighing belt, and relates to the technical field of weighing feeder calibration. A weighing roller and a calibration roller are arranged in a weighing belt, a hanging bracket is arranged on the outer side of the weighing belt, the hanging bracket is connected with the weighing roller in a hanging mode through a hanging cable, one side of the hanging bracket is movably connected with a calibration frame, a tension cylinder is fixedly installed on one side of the calibration frame, and the output end of the tension cylinder is fixedly connected with a tension spring. The tension spring is matched with the calibration roller; the two ends of the calibration roller are fixedly connected with synchronous rods, the opposite sides of the two sets of synchronous rods are fixedly connected with test pieces, and the test pieces are used for balance detection of the calibration roller, so that after the weighing roller measures the weight, the calibration roller can be used for checking the weight, and whether the weighing of the weighing roller is accurate or not is judged by observing the display of the two sets of controllers. And accurate feeding of the weighing feeder is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the calibration technical field of weighing feeder, specifically is a kind of calibration device for weighing feeder. BACKGROUND

[0002] The weighing feeder is a kind of industrial equipment for continuous or intermittent measurement and control material flow, it combines weighing and feeding function, is widely used in chemical industry, food, metallurgy, building material etc. industry. The equipment can monitor the weight of material in real time by accurate weighing system and adjusting mechanism, and automatically adjusts feeding speed according to the set parameter, to ensure the stable, accurate conveying of material. Weighing feeder usually has the characteristics of high precision, high reliability, easy operation and convenient maintenance, which helps to improve production efficiency and material utilization rate, while reducing production cost.

[0003] The weighing feeder is a kind of accurate measuring equipment, which detects the weight of material in real time through weighing sensor, and controls according to the set parameter to realize accurate feeding. But the weighing feeder of prior art lacks calibration, which causes the measurement accuracy of weighing feeder to decrease, directly affecting the material measurement and batching accuracy in production process. INVENTION CONTENTS

[0004] The utility model aims at providing a kind of calibration device for weighing feeder, to solve the problems presented in the background art in the above content and overcome the technical defects existing therein.

[0005] To solve the above technical problems, the technical scheme adopted by the utility model is: a kind of calibration device for weighing feeder, including weighing belt, the inside of weighing belt is provided with weighing roller and calibration roller, the outside of weighing belt is provided with hanger, the hanger is hung with weighing roller by hanger cable, the side of hanger is movably connected with calibration frame, the side of calibration frame is fixedly installed with tension cylinder, the output end of tension cylinder is fixedly connected with tension spring, the tension spring is matched with calibration roller;The both ends of calibration roller are fixedly connected with synchronous rod, and the opposite side of two groups of synchronous rod is fixedly connected with test piece, and the test piece is balanced for calibration roller detection.

[0006] As a further scheme of the utility model: a kind of calibration device for weighing feeder, the inside of test piece is provided with slide, the both ends of slide are fixedly connected with approach switch, the side of approach switch away from slide is electrically connected with buzzer, the inside of slide is movably connected with test ball, and the test ball is matched with approach switch.

[0007] As a further scheme of the utility model: a kind of calibration device for weighing feeder, the side of hanger is provided with ball screw nut pair, and calibration frame is movably connected with hanger by ball screw nut pair.

[0008] As a further scheme of the present utility model: a kind of calibration device for weighing feeder, the other side of the hanger is provided with sliding fit, the calibration frame is movably connected with hanger by sliding fit.

[0009] As a further scheme of the present utility model: a kind of calibration device for weighing feeder, controller is fixedly installed on the outside of weighing roller and calibration roller.

[0010] As a further scheme of the present utility model: a kind of calibration device for weighing feeder, servo motor is fixedly installed on the side of hanger, and the output end of servo motor is fixedly connected with the screw part of ball screw nut pair.

[0011] As a further scheme of the present utility model: a kind of calibration device for weighing feeder, hook ring is fixedly installed on the side of calibration roller, and pull spring is hooked with hook ring.

[0012] As a further scheme of the present utility model: a kind of calibration device for weighing feeder, servo motor, tension cylinder, proximity switch and buzzer are electrically connected with controller.

[0013] Compared with prior art, the present utility model has the beneficial effects including:

[0014] Because the inside of weighing belt is provided with weighing roller and calibration roller, the outside of weighing belt is provided with hanger, the hanger is hung with weighing roller by hanger cable, the side of hanger is movably connected with calibration frame, the side of calibration frame is fixedly installed with tension cylinder, the output end of tension cylinder is fixedly connected with pull spring, and pull spring is matched with calibration roller;The both ends of calibration roller are fixedly connected with synchronous rod, and the opposite side of two groups of synchronous rods is fixedly connected with test piece, so that calibration roller is balanced for testing, and therefore weighing roller can be weighed after weighing, whether the weighing of weighing roller is accurate is judged by observing the display of two controllers, and the feeding of weighing feeder is guaranteed.

[0015] The both ends of the calibration roller are fixedly connected with synchronous rods, and the opposite sides of the two groups of synchronous rods are fixedly connected with test pieces, and the test pieces are used for balance detection of the calibration roller, and the both ends of the calibration roller are fixedly connected with synchronous rods, and the opposite sides of the two groups of synchronous rods are fixedly connected with test pieces, and the test pieces are used for balance detection of the calibration roller, and the inside of the test piece is provided with a slide, and the both ends of the slide are fixedly connected with proximity switches, and the side, away from the slide, of the proximity switch is electrically connected with a buzzer, and the inside of the slide is movably connected with a test ball, and the test ball is matched with the proximity switch, so that when the calibration roller is weighed, whether the test ball contacts the proximity switch and triggers the buzzer to respond can be used to judge the balance of the calibration roller, and if the calibration roller is unbalanced, the weighing roller or the calibration roller can be adjusted through the hoisting cable or the tension cylinder, so that the calibration roller and the weighing roller can be accurately weighed. BRIEF DESCRIPTION OF DRAWINGS

[0016] The disclosure of the present application will be described with reference to the accompanying drawings. It should be understood that the drawings are only for the purpose of illustration, and are not intended to limit the scope of protection of the present application. In the drawings, the same reference numerals are used to refer to the same parts. Among them:

[0017] Figure 1 One of the structure schematic views of the whole according to one embodiment of the present application is schematically shown;

[0018] Figure 2 The second structure schematic view of the whole according to one embodiment of the present application is schematically shown;

[0019] Figure 3 The sectional view of the test piece according to one embodiment of the present application is schematically shown;

[0020] Figure 4 The enlarged view of A according to one embodiment of the present application is schematically shown;

[0021] In the drawings, the reference numerals are as follows: 1, weighing belt; 2, hanger; 3, weighing roller; 4, calibration roller; 5, synchronous rod; 6, test piece; 7, calibration frame; 8, ball screw nut pair; 9, sliding fit; 10, controller; 11, servo motor; 12, tension cylinder; 13, tension spring; 14, hook ring; 15, test ball; 16, slide; 17, proximity switch; 18, buzzer. DETAILED DESCRIPTION

[0022] It is easy to understand that according to the technical scheme of the present application, a person skilled in the art can propose a plurality of structure modes and implementation modes which can be replaced with each other without changing the essential spirit of the present application. Therefore, the following specific embodiments and drawings are only exemplary description of the technical scheme of the present application, and should not be regarded as the whole or regarded as the limitation or restriction of the technical scheme of the present application.

[0023] According to an embodiment of the present application, a calibration device for a weighing feeder is shown in combination with the drawings, comprising a weighing belt 1, the inside of the weighing belt 1 is provided with a weighing roller 3 and a calibration roller 4, the outside of the weighing belt 1 is provided with a hanger 2, the hanger 2 is hung with the weighing roller 3 through a hanger cable, one side of the hanger 2 is movably connected with a calibration frame 7, one side of the calibration frame 7 is fixedly installed with a tension cylinder 12, the output end of the tension cylinder 12 is fixedly connected with a tension spring 13, the tension spring 13 is matched with the calibration roller 4; both ends of the calibration roller 4 are fixedly connected with a synchronous rod 5, one side of two groups of synchronous rods 5 opposite to each other is fixedly connected with a test piece 6, the test piece 6 is used for balance detection of the calibration roller 4.

[0024] Because the inside of the weighing belt 1 is provided with the weighing roller 3 and the calibration roller 4, the outside of the weighing belt 1 is provided with the hanger 2, the hanger 2 is hung with the weighing roller 3 through the hanger cable, one side of the hanger 2 is movably connected with the calibration frame 7, one side of the calibration frame 7 is fixedly installed with the tension cylinder 12, the output end of the tension cylinder 12 is fixedly connected with the tension spring 13, the tension spring 13 is matched with the calibration roller 4; both ends of the calibration roller 4 are fixedly connected with the synchronous rod 5, one side of two groups of synchronous rods 5 opposite to each other is fixedly connected with the test piece 6, the test piece 6 is used for balance detection of the calibration roller 4, so that the weighing roller 3 can be weighed after the weighing, and the weighing of the weighing roller 3 is judged by observing the display of the two groups of controllers 10, so as to guarantee the accurate feeding of the weighing feeder.

[0025] Since the both ends of the calibration roller 4 are fixedly connected with the synchronous bars 5, the opposite sides of the two groups of synchronous bars 5 are fixedly connected with the test pieces 6, the test pieces 6 are used for balance detection of the calibration roller 4, and specifically, the inside of the test piece 6 is provided with the slide 16, the both ends of the slide 16 are fixedly connected with the proximity switches 17, the side, away from the slide 16, of the proximity switch 17 is electrically connected with the buzzer 18, and the inside of the slide 16 is movably connected with the test ball 15, the test ball 15 is matched with the proximity switch 17, so that whether the test ball 15 contacts the proximity switch 17 and triggers the buzzer 18 can be used to judge the balance of the calibration roller 4 when the calibration roller 4 is weighed, and if not balanced, the weighing roller 3 or the calibration roller 4 can be adjusted through the hoisting cable or the tension cylinder 12, so that the calibration roller 4 and the weighing roller 3 can be accurately weighed.

[0026] As a further scheme of the present application: a kind of calibration device for weighing feeder, the inside of the test piece 6 is provided with the slide 16, the both ends of the slide 16 are fixedly connected with the proximity switches 17, the side, away from the slide 16, of the proximity switch 17 is electrically connected with the buzzer 18, and the inside of the slide 16 is movably connected with the test ball 15, the test ball 15 is matched with the proximity switch 17.

[0027] As a further scheme of the present application: a kind of calibration device for weighing feeder, the side of the hanger 2 is provided with the ball screw nut pair 8, and the calibration frame 7 is movably connected with the hanger 2 by the ball screw nut pair 8.

[0028] As a further scheme of the present application: a kind of calibration device for weighing feeder, the other side of the hanger 2 is provided with the sliding fit 9, and the calibration frame 7 is movably connected with the hanger 2 by the sliding fit 9.

[0029] As a further scheme of the present application: a kind of calibration device for weighing feeder, the outside of the weighing roller 3 and the calibration roller 4 is fixedly installed with the controller 10.

[0030] As a further scheme of the present application: a kind of calibration device for weighing feeder, the side of the hanger 2 is fixedly installed with the servo motor 11, and the output end of the servo motor 11 is fixedly connected with the screw part of the ball screw nut pair 8.

[0031] As a further scheme of the present application: a kind of calibration device for weighing feeder, the side of the calibration roller 4 is fixedly installed with the hook ring 14, and the tension spring 13 is hooked with the hook ring 14.

[0032] As a further scheme of the utility model: a calibration device for a weighing feeder, the servo motor 11, the tension cylinder 12, the proximity switch 17 and the buzzer 18 are all electrically connected with the controller 10.

[0033] Working principle: since the inside of the weighing belt 1 is provided with the weighing roller 3 and the calibration roller 4, the outside of the weighing belt 1 is provided with the hanger 2, the hanger 2 is hung with the weighing roller 3 through a hanger cable, one side of the hanger 2 is movably connected with the calibration frame 7, one side of the calibration frame 7 is fixedly installed with the tension cylinder 12, the output end of the tension cylinder 12 is fixedly connected with the tension spring 13, the tension spring 13 is matched with the calibration roller 4; the both ends of the calibration roller 4 are fixedly connected with the synchronous rod 5, the opposite sides of the two groups of synchronous rods 5 are fixedly connected with the test piece 6, the test piece 6 is used for balance detection of the calibration roller 4, so that the weighing roller 3 can be weighed after weighing, whether the weighing of the weighing roller 3 is accurate is judged by observing the display of the two controllers 10, and the feeding of the weighing feeder is ensured.

[0034] Since the both ends of the calibration roller 4 are fixedly connected with the synchronous rod 5, the opposite sides of the two groups of synchronous rods 5 are fixedly connected with the test piece 6, the test piece 6 is used for balance detection of the calibration roller 4, specifically, the inside of the test piece 6 is provided with the slide 16, the both ends of the slide 16 are fixedly connected with the proximity switch 17, the side, away from the slide 16, of the proximity switch 17 is electrically connected with the buzzer 18, the inside of the slide 16 is movably connected with the test ball 15, the test ball 15 is matched with the proximity switch 17, so that whether the calibration roller 4 is balanced can be judged by whether the test ball 15 contacts the proximity switch 17 and triggers the buzzer 18 to respond when the calibration roller 4 is weighed, if not balanced, the weighing roller 3 or the calibration roller 4 is adjusted through the hanger cable or the tension cylinder 12 respectively, so that the calibration roller 4 and the weighing roller 3 can be accurately weighed.

[0035] The technical scope of the utility model is not limited to the content in the above description, and those skilled in the art can make various deformations and modifications to the above embodiments without departing from the technical thought of the utility model, and these deformations and modifications should all belong to the protection scope of the utility model.

Claims

1. A calibration device for a weigh feeder, characterized in that, Including weighing belt (1), the inside of weighing belt (1) is provided with weighing roller (3) and calibration roller (4), the outside of weighing belt (1) is provided with hanger (2), the hanger (2) is hung with weighing roller (3) through hanger cable, one side of hanger (2) is movably connected with calibration frame (7), one side of calibration frame (7) is fixedly installed with tension cylinder (12), the output of tension cylinder (12) is fixedly connected with tension spring (13), tension spring (13) is matched with calibration roller (4); Both ends of calibration roller (4) are fixedly connected with synchronous rod (5), two groups of synchronous rod (5) are fixedly connected with test piece (6) on opposite sides, test piece (6) is balanced for calibration roller (4) detection.

2. A calibration device for a weigh feeder as claimed in claim 1, characterized in that The inside of test piece (6) is provided with slide (16), both ends of slide (16) are fixedly connected with proximity switch (17), the side of proximity switch (17) away from slide (16) is electrically connected with buzzer (18), the inside of slide (16) is movably connected with test ball (15), test ball (15) is matched with proximity switch (17).

3. A calibration device for a weigh feeder as claimed in claim 2, characterized in that One side of hanger (2) is provided with ball screw nut pair (8), calibration frame (7) is movably connected with hanger (2) through ball screw nut pair (8).

4. A calibration device for a weigh feeder as claimed in claim 3, characterized in that The other side of hanger (2) is provided with slide (9), calibration frame (7) is movably connected with hanger (2) through slide (9).

5. A calibration device for a weigh feeder as claimed in claim 4, characterized in that The outside of weighing roller (3) and calibration roller (4) is fixedly installed with controller (10).

6. A calibration device for a weigh feeder as claimed in claim 5, characterized in that One side of hanger (2) is fixedly installed with servo motor (11), the output of servo motor (11) is fixedly connected with the screw part of ball screw nut pair (8).

7. A calibration device for a weigh feeder as claimed in claim 6, characterized in that One side of calibration roller (4) is fixedly installed with hook ring (14), tension spring (13) is hooked with hook ring (14).

8. A calibration device for a weigh feeder as claimed in claim 7, characterized in that Servo motor (11), tension cylinder (12), proximity switch (17) and buzzer (18) are electrically connected with controller (10).

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