Weighing device for pipe die powder

Abstract

The utility model relates to the technical field of metal casting, in particular to a pipe die powder weighing device which comprises a supporting frame, a connecting frame and a powder bin are sequentially arranged at the top of the supporting frame, a plurality of hanging brackets are fixedly connected to the periphery of the powder bin, and the hanging brackets are connected with the connecting frame through weighing units. Wherein a discharging mechanism is arranged at the bottom of the powder bin, the discharging mechanism is matched with the weighing unit to conduct weighing and discharging, the discharging mechanism is further used for smashing and conveying caked pipe die powder, four hanging type weighing sensors are distributed at the four corners of the powder bin, the powder bin is hoisted to conduct weighing, and the discharging mechanism is used for discharging the caked pipe die powder. According to the structure, the stability of the mechanism is greatly improved, so that the weighing precision is improved, the weighing sensor is matched with the discharging mechanism, the pipe mold powder can be weighed and discharged, the supporting plate is driven to shake up and down through the elastic block, the pipe mold powder is filtered, and part of cakes which are not completely smashed are prevented from being doped in the supporting plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal casting technical field especially, relates to a kind of pipe mould powder's weighing device. BACKGROUND

[0002] Pipe mould powder is a kind of material for casting field, main component is graphite and clay, it is made by mixing, forming, drying and high-temperature sintering process, it is mainly used to make the mould of cast iron pipe, steel pipe and other pipe fittings, characteristic is with good lubricity, high-temperature stability and good anti-adhesion.

[0003] Through the way of weighing, pipe mould powder can be more accurately fed, such as prior art Chinese patent announcement number "CN220054992U" discloses a coarse powder weighing metering bin, including powder tank, support structure, weighing pound, arc column, gate, discharge mechanism, feed inlet and dust removal mechanism, the outside of the powder tank is connected with the right end of the support structure, and is welded and fixed with the top end of the weighing pound at the bottom of the support structure, the top end of the arc column is connected and fixed with the bottom end of the weighing pound, characterized in that: the bottom of the powder tank is connected and fixed with the top end of the gate, and discharge mechanism is provided below, feed inlet is provided at the top left side of the powder tank, and dust removal mechanism is provided at the right end of the feed inlet and penetrates the top center of the powder tank, so that powder can be scattered evenly to the bottom of the powder tank through the internal structure, and through the improvement of dust removal equipment, the internally scattered powder can be collected by the two layers of filter screen, so that the loss of raw materials can be reduced, and the harm of dust to operator is reduced.

[0004] In specific operation, weighing sensor is installed between column and powder tank, but this structure is prone to instability between column and powder tank, which affects the accuracy of weighing, resulting in inaccurate weighing. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the above-mentioned shortcomings in prior art that affect the accuracy of weighing, and provides a pipe mould powder's weighing device.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] Design a kind of pipe mould powder's weighing device, including support frame, connection frame and powder bin are sequentially equipped on the top of the support frame, the periphery of the powder bin is fixedly connected with a plurality of hangers, the hanger is connected with the connection frame by weighing unit;

[0008] Wherein, the bottom of the powder bin is equipped with a discharging mechanism, the discharging mechanism cooperates with the weighing unit to weigh and discharge, and the discharging mechanism is also used to crush and convey the caked pipe mould powder.

[0009] Further, the discharging mechanism comprises a hopper box in communication with the bottom of the powder bin, a feeding assembly is arranged in the hopper box, and a pair of connecting rods are rotationally connected above the feeding assembly in the hopper box.

[0010] Further, the pair of connecting rods are synchronously rotated through a transmission structure, and a plurality of groups of crushing rods are fixedly connected on the surfaces between the pair of connecting rods, and the crushing rods on the two sides are cross-distributed.

[0011] Further, a support plate is arranged between the feeding assembly and the connecting rods in the hopper box, two groups of support rods are fixedly connected to the inner walls of the hopper box, and the support rods are slidingly connected to the corners of the support plate through springs.

[0012] Further, the support plate is matched with the interior of the hopper box, and a filter element is fixedly connected to the middle through hole of the support plate.

[0013] The end of one of the crushing rods is extended and fixedly connected with an elastic block, the elastic block is provided with a rounded corner close to the side of the support plate, and the elastic block is in abutment and sliding with the filter element.

[0014] Further, a cleaning window is arranged on the side of the hopper box, and an end cover for closing the cleaning window is rotationally connected to the side of the hopper box, and the pipe mold powder agglomerates accumulated on the filter element can be cleaned through the cleaning window.

[0015] The weighing device for pipe mold powder has the beneficial effects that: the four hanging type weighing sensors are distributed at the four corners of the powder bin, the powder bin is hung for weighing, the stability of the mechanism is greatly improved, the precision of weighing is improved, the weighing sensor cooperates with the discharging mechanism to weigh and discharge the pipe mold powder, in addition, the pipe mold powder agglomerates can be broken by driving the pair of connecting rods to rotate and using the plurality of groups of crushing rods, and the pipe mold powder is filtered by driving the support plate to shake up and down through the elastic block while being broken, so that the pipe mold powder agglomerates that are not completely broken are prevented from being mixed. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a structural schematic view of the discharging mechanism of the utility model;

[0018] Figure 3 It is Figure 2 the enlarged structural schematic view of area A;

[0019] Figure 4 It isFigure 3 Schematic view of the B area amplification structure.

[0020] In the figure: 1, support frame; 2, connecting frame; 3, powder bin; 4, hanging bracket; 5, weighing unit; 6, discharging mechanism; 61, hopper box; 611, support rod; 612, spring; 613, end cover; 62, feeding assembly; 63, connecting rod; 64, transmission structure; 65, crushing rod; 651, elastic block; 66, support plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0022] Referring to Figures 1-4 A kind of pipe mould powder weighing device, including support frame 1, connecting frame 2 and powder bin 3 are sequentially arranged on the top of the support frame 1, the periphery of the powder bin 3 is fixedly connected with several hanging brackets 4, the hanging bracket 4 is connected with the connecting frame 2 by weighing unit 5;

[0023] Wherein, the bottom of the powder bin 3 is equipped with discharging mechanism 6, the discharging mechanism 6 cooperates with the weighing unit 5 to weigh and discharge, and discharging mechanism 6 is also used to crush and transport the pipe mould powder agglomerate.

[0024] In some embodiments, the top of the powder bin 3 is equipped with a feed inlet, and it is connected with the discharge end of pipe mould powder production equipment through the feed hopper;

[0025] Wherein, weighing unit 5 is a plurality of weighing sensors, which is a suspension type weighing sensor in the prior art, for example, a sensor with model S type sensor LFS-01, the upper and lower ends of the weighing sensor are connected with the connecting frame 2 and the hanging bracket 4 through a boom respectively, and the strain gauge is deformed to convert the weight of the material into an electrical signal to obtain weighing data.

[0026] Further, the discharging mechanism 6 includes hopper box 61, which is in communication with the bottom of the powder bin 3, and feeding assembly 62 is arranged in the hopper box 61, and a pair of connecting rods 63 are rotatably connected above the feeding assembly 62 inside.

[0027] Further, a pair of connecting rods 63 are synchronously rotated through transmission structure 64, and a plurality of sets of crushing rods 65 are fixedly connected between them on the surface, and the crushing rods 65 on both sides are distributed in cross.

[0028] It is worth mentioning that the feeding assembly 62 is an auger driven by a motor, the motor is fixedly connected to the side of the hopper box 61, the inside of the hopper box 61 is rotatably connected with the auger through a feeding pipe, and the feeding pipe is in communication with the inside of the hopper box 61.

[0029] The transmission structure 64 includes a motor, a synchronous wheel and a synchronous belt, the motor is fixedly connected to the side of the hopper box 61, one end of one of the connecting rods 63 penetrates the hopper box 61 and is fixedly connected with the shaft end of the motor;

[0030] Further, the end of each of the pair of connecting rods 63 is fixedly connected with the synchronous wheel, and the synchronous belt is sleeved between the pair of synchronous wheels;

[0031] The two sides of the crushing rod 65 are cross-distributed, which is to avoid the gap caused by the interlaced rotation to cause insufficient crushing, and to adapt to the feeding port between the hopper box 61 and the powder bin 3.

[0032] More specifically, the inside of the hopper box 61 is provided with a support plate 66 between the feeding assembly 62 and the connecting rod 63, two groups of support rods 611 are fixedly connected to the inner wall of the hopper box 61, and the support rods 611 are slidably connected to the corners of the support plate 66 through springs 612.

[0033] In general, the support plate 66 is adapted to the inside of the hopper box 61, and the support plate 66 is fixedly connected with a filter element at the middle through hole;

[0034] One end of one of the crushing rods 65 is extended and fixedly connected with an elastic block 651, the elastic block 651 is provided with a rounded corner close to one side of the support plate 66, and the elastic block 651 also abuts against and slides with the filter element.

[0035] In this embodiment, the elastic block 651 is made of rubber or silicone, and when the crushing rod 65 rotates circumferentially, the elastic block 651 abuts against the filter element to generate a pushing force to push the support plate 66 to move downward, and after the elastic block 651 is separated from the filter element, the support plate 66 is reset under the action of the spring 612, and the filter element is prevented from being blocked by the up-and-down shaking mode;

[0036] The filter element is a metal or plastic filter plate.

[0037] Finally, a cleaning window is arranged on the side of the hopper box 61, and an end cover 613 for closing the cleaning window is rotatably connected to the side of the hopper box 61, and the pipe mold powder agglomerates accumulated on the filter element are cleaned through the cleaning window.

[0038] Further, the end cover 613 and the hopper box 61 are fixed by a buckle.

[0039] Working mode; during working, the pipe module powder is transported into the powder bin 3, the pipe module powder is weighed by the weighing units 5, and the weighing units 5 can also cooperate with the discharging mechanism 6 to weigh and discharge;

[0040] Wherein, the motor drives the auger to rotate to discharge the pipe module powder, and at the same time, another motor drives the connecting rod 63 to rotate, the connecting rod 63 and another connecting rod 63 rotate synchronously through the synchronous belt and the synchronous wheel, and a pair of connecting rods 63 rotate at the same time to crush the caked pipe module powder through the crushing rod 65;

[0041] And the connecting rod 63 rotates at the same time, the elastic block 651 is in contact with the filter, the supporting plate 66 is pushed to move downward through the thrust generated by the contact, and after the elastic block 651 is separated from the filter, the supporting plate 66 is reset under the action of the spring 612, and the filter is prevented from being blocked through the up-and-down swinging mode;

[0042] Finally, the pipe module powder accumulated on the filter is cleaned through the opening and closing end cover 613.

[0043] The above is only the preferred specific implementation mode of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A weighing device for tube mold powder, comprising a support frame (1), characterized in that: A connecting frame (2) and a powder hopper (3) are sequentially provided on the top of the support frame (1). Several hangers (4) are fixedly connected to the periphery of the powder hopper (3). The hangers (4) and the connecting frame (2) are connected by a weighing unit (5). The powder hopper (3) is provided with a feeding mechanism (6) at the bottom. The feeding mechanism (6) works with the weighing unit (5) to weigh and feed the powder. The feeding mechanism (6) is also used to crush and transport the agglomerated tube mold powder.

2. The weighing device for tube mold powder according to claim 1, characterized in that: The feeding mechanism (6) includes a hopper (61), which is connected to the bottom of the powder hopper (3). A feeding assembly (62) is provided inside the hopper (61), and a pair of connecting rods (63) are rotatably connected inside the feeding assembly (62) above it.

3. The weighing device for tube mold powder according to claim 2, characterized in that: The pair of connecting rods (63) rotate synchronously through a transmission structure (64), and several sets of crushing rods (65) are fixedly connected to each other on the surface, with the crushing rods (65) on both sides being distributed crosswise.

4. The weighing device for tube mold powder according to claim 3, characterized in that: Inside the hopper (61), between the feeding assembly (62) and the connecting rod (63), there is a support plate (66). Two sets of support rods (611) are fixedly connected to the inner wall of the hopper (61). The support rods (611) are slidably connected to the corners of the support plate (66) by springs (612).

5. The weighing device for tube mold powder according to claim 4, characterized in that: The support plate (66) is adapted to the interior of the hopper (61), and a filter element is fixedly connected to the support plate (66) at the central through hole; One of the crushing rods (65) has an extended end and is fixedly connected to an elastic block (651), the elastic block (651) having a rounded corner on the side near the support plate (66), and the elastic block (651) also abuts against and slides against the filter element.

6. The weighing device for tube mold powder according to claim 5, characterized in that: A cleaning window is provided on the side of the hopper (61), and an end cap (613) for closing the cleaning window is rotatably connected to the side of the hopper. The cleaning window is used to clean the tube mold powder agglomerates accumulated on the filter element.

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