CN220490197U

CN220490197U - Integrated column type dynamic and static load weighing module

Info

Publication number: CN220490197U
Application number: CN202321116094.XU
Authority: CN
Inventors: 陈雄; 查凌峰; 郭治刚; 陈学明; 劳燕儿
Original assignee: Ningbo Aien Electronics Co ltd
Current assignee: Ningbo Aien Electronics Co ltd
Priority date: 2023-05-08
Filing date: 2023-05-08
Publication date: 2024-02-13
Anticipated expiration: 2033-05-08

Abstract

The utility model provides an integrated into one piece post type moves quiet load weighing module, which comprises a top plate, go up the pressure head, the column sensor, base and foundation plate, the foundation plate is by the bottom plate and fall U type spare integrated into one piece's closed loop construction, the up end central point of bottom plate is fixed to the base, the lower extreme setting of column sensor is on the base, the upper end offsets with last pressure head, the upper end of falling U type spare has been seted up and has been gone up the upper end of pressure head and put and 360 spacing centre holes, the upper end of going up the pressure head passes and falls U type spare and offset with the lower terminal surface of top plate, be equipped with between top plate and the falling U type spare and play spacing anti-rotation of limiting effect to the horizontal side direction force that the module received and the unbalance loading of all positions. The utility model has the advantages of simple and compact structure, convenient installation and processing, high precision and multiple limiting, can effectively offset the horizontal lateral force and the limiting effect of other directions received by the module, and effectively protects the sensor and the equipment.

Description

Integrated column type dynamic and static load weighing module

Technical Field

The utility model relates to a weighing device, in particular to an integrally formed column type dynamic and static load weighing module which is suitable for electronic weighing equipment such as a hopper scale, a belt scale, a batching system, a filling system and the like.

Background

At present, in weighing monitoring industries such as metallurgy, chemical industry, petrochemical industry, new forms of energy lithium electricity, livestock and pharmacy, when a manufacturer selects a weighing mode to measure or control the material level, a plurality of weighing modules can be installed at the bottom of a batching and filling system, and the weight or the material level in the tank body is automatically measured by combining other devices. The weighing module with the structure is easy to influence when being stirred in the tank body and stirred by the motor, and the weighing module can be subjected to the action of vertical force and horizontal force. Because this kind of weighing module does not have spacing protection device, so the jar body on upper portion can exist the card and die when taking place to destroy weighing module and connecting piece, and the accuracy of module work can reduce, causes the impact under the effect of horizontal side force and returns zero error too big, influences stability, can lead to whole material jar to topple if serious.

Through investigation, the Chinese patent publication No. CN2736744Y, a weighing module, comprises an upper fixing plate, a lower fixing plate and a sensor assembly arranged between the upper fixing plate and the lower fixing plate, wherein at least 4 through holes are formed in the upper fixing plate, a supporting rod and a fastening rod which are perpendicular to the upper fixing plate and the lower fixing plate are arranged between the lower fixing plate and the upper fixing plate, and two ends of the supporting rod and two ends of the fastening rod are matched with the threaded holes. The weighing module is convenient to install and good in consistency, but when being influenced by stirring force, external wind power, vibration and the like, the weighing sensor can also be influenced by vertical force and horizontal force, and an upper fixing plate on the weighing module can move, so that weighing precision is difficult to guarantee. In addition, the limiting protection device of the weighing module can move on the upper charging bucket under the action of external force, so that the weighing sensor and the connecting piece are damaged, and even the equipment is overturned seriously.

Therefore, it is necessary to develop a high-precision weighing module with high anti-rotation, rollover and overturning capabilities.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an integrally formed column type dynamic and static load weighing module which is reasonable and compact in structural design and convenient to install, and anti-tilting devices are arranged in all directions, so that the sensor and equipment can be effectively prevented from being effectively protected.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides an integrated into one piece post type moves quiet load weighing module, includes roof, goes up pressure head, column type sensor, base and foundation plate, its characterized in that: the foundation plate is a closed-loop structure formed by a bottom plate and an inverted U-shaped piece in an integrated mode, a base is fixed at the center position of the upper end face of the bottom plate, the lower end of the column type sensor is arranged on the base, the upper end of the column type sensor abuts against an upper pressing head, the upper end face of the inverted U-shaped piece is provided with a central hole through which the upper end of the upper pressing head penetrates and limits 360 degrees, the upper end of the upper pressing head penetrates through the inverted U-shaped piece and abuts against the lower end face of a top plate, and a limiting anti-rotation anti-overturning structure which plays a limiting role on horizontal lateral force and deflection loads in all directions of a module is arranged between the top plate and the inverted U-shaped piece.

Further, the limiting anti-rotation anti-overturning structure specifically comprises: the upper end face left and right sides of the U-shaped piece falls is equipped with the extension board that outside level extends respectively, a round hole has been seted up at the middle part of extension board, be equipped with corresponding screw hole on the roof, a spacing post has been worn to put in the round hole, the up end of spacing post stretches out the up end of the U-shaped piece of falling, the lower extreme of spacing post is equipped with the turn-ups, be equipped with the stopper outside the spacing post, the lower extreme of stopper offsets with the turn-ups of spacing post, the upper end of stopper inserts and offsets through the lower terminal surface of step and falling the U-shaped piece in the round hole, spacing bolt passes spacing post and roof threaded connection and fixes and form and prevent overturning limit structure, have certain clearance between the round hole of spacing post and extension board, and have spacing protection's perpendicular interval between spacing bolt's the head and the lower terminal surface of extension board.

Preferably, the gap is controlled within 5mm, and the vertical spacing is controlled within 5 mm.

Still further, the stopper is the C shape piece that upper portion undergauge, side are concave to be equipped with the U-shaped groove, and the upper portion diameter of stopper is the same with the round hole diameter of extension board, and the stopper passes through the U-shaped groove and inserts outside the spacing post and spacing the spacing post.

As an improvement, the upper end face of the inverted U-shaped piece is a horizontal elliptic plane, the two sides of the inverted U-shaped piece are of a structure with wide lower parts and narrow upper parts, the lower ends of the inverted U-shaped piece are fixed on the front side and the rear side of the upper end face of the bottom plate, the upper pressure head is of a round structure with an inverted T-shaped longitudinal section, the central hole of the upper end face of the inverted U-shaped piece is a round hole penetrating through an upper reducing cylinder of the upper pressure head, and the outer circle size of the lower part of the upper pressure head is larger than that of the round hole.

Further, an O-shaped ring is tightly sleeved on the upper part of the upper pressure head, the O-shaped ring is a silica gel sealing ring, and a ring of U-shaped groove sleeved with the wall surface of the central hole of the inverted U-shaped piece is formed in the outer peripheral surface of the O-shaped ring.

Further, the middle part of column type sensor is the cylinder of indent from beginning to end, and the upper and lower both ends of column type sensor are the last loading end and the lower loading end of reducing, and the base passes through the fix with screw on the bottom plate of foundation plate, and the side of the lower loading end of column type sensor is equipped with two arris limit boss structures, and the up end middle part shaping of base has the two arris limit recesses that supply the lower loading end of column type sensor to insert the location and prevent changeing.

Still further, the upper end shaping of the upper carrying end of column type sensor has the diameter reduction cylinder that the top surface is the arc surface, and corresponding, the lower terminal surface middle part shaping of upper pressure head has the circular recess that offsets with the diameter reduction cylinder.

Still further, set up round annular groove respectively between column sensor's the upper end that bears and lower bearing end and the middle part cylinder, bear the end at the lower and set up in annular groove and offset with the middle part cylinder at the open-ended dust cover down, the lower extreme cover of dust cover is established at the periphery of base fixedly.

Finally, a removable limit pad for fixing the position of the components during transportation and installation of the weighing module is inserted between the top plate and the upper end face of the inverted U-shaped piece.

Compared with the prior art, the utility model has the advantages that: the inverted U-shaped piece and the bottom plate are integrated, so that the structure of the foundation plate is firm and stable; the upper end surface of the inverted U-shaped piece is provided with a central round hole penetrating through the upper end of the upper pressure head, and the upper pressure head is limited to play a 360-degree limiting role on the product; the limiting anti-rotation anti-overturning structure comprises an upper limiting device and a lower limiting device, wherein the lower limiting device is an inverted U-shaped piece with a planar bottom, the upper limiting device is provided with 2 limiting bolts, the limiting bolts penetrate through a limiting column, a limiting block and the inverted U-shaped piece to be in threaded connection with a top plate, a gap is kept between the limiting column and a round hole of an extension part of the inverted U-shaped piece through the limiting block, and a limiting protection vertical distance is arranged between the head part of the limiting bolt and the lower end surface of the extension part of the inverted U-shaped piece, so that double protection is realized, and the anti-rollover and anti-overturning capabilities are stronger; the upper pressure head is of an inverted T-shaped structure, penetrates through the tightly matched O-shaped ring, abuts against a central round hole formed in the upper end face of the inverted U-shaped piece, plays an auxiliary role in vertical centering of a product, and has the advantages of falling prevention and limiting, and quick and convenient installation. The utility model has the advantages of simple and compact structure, convenient installation and processing, high precision and multiple limiting, can effectively offset the horizontal lateral force and the limiting effect of other directions received by the module, and effectively protects the sensor and the equipment.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a schematic view of the structure of a base plate;

FIG. 4 is a schematic view of the structure of an O-ring;

FIG. 5 is a schematic view of the structure of the upper ram;

FIG. 6 is a top view of the spacing post;

FIG. 7 is a cross-sectional view of the spacing post;

FIG. 8 is a top view of a stop block;

FIG. 9 is a cross-sectional view of a stop block;

fig. 10 is an exploded view of an embodiment of the present utility model.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1 to 10, an integrally formed column type dynamic and static load weighing module comprises a top plate 2, an upper pressure head 3, a column type sensor 1, a base 4 and a foundation plate 5, wherein the foundation plate 5 is of a closed loop structure formed by integrally forming a bottom plate 51 and an inverted U-shaped piece 52, the base 4 is fixed at the center of the upper end face of the bottom plate 51, the lower end of the column type sensor 1 is arranged on the base 4, the upper end of the column type sensor is propped against the upper pressure head 3, the upper end of the inverted U-shaped piece 52 is provided with a central hole through which the upper end of the upper pressure head 3 passes and is limited by 360 degrees, the upper end of the upper pressure head 3 passes through the inverted U-shaped piece 52 and is propped against the lower end face of the top plate 2, and a limiting anti-rotation anti-overturning structure which has a limiting effect on horizontal lateral force and unbalanced load in all directions borne by the module is arranged between the top plate 2 and the inverted U-shaped piece 52.

The concrete structure is as follows: the upper end face of the inverted U-shaped piece 52 is a horizontal elliptic plane, two sides of the inverted U-shaped piece 42 are of a structure with a wide lower part and a narrow upper part, the lower end of the inverted U-shaped piece 52 is fixed on the front side and the rear side of the upper end face of the bottom plate 51, the upper pressure head 3 is of a round structure with an inverted T-shaped longitudinal section, the central hole of the upper end face of the inverted U-shaped piece 52 is a round hole penetrating through the upper reducing cylinder of the upper pressure head 3, and the outer circle size of the lower part of the upper pressure head 3 is larger than that of the round hole. An O-shaped ring 31 is tightly sleeved on the upper part of the upper pressure head 3, the O-shaped ring 31 is a silica gel sealing ring, and a circle of U-shaped groove 301 sleeved with the wall surface of the central hole of the inverted U-shaped piece 52 is formed in the outer peripheral surface of the O-shaped ring 31.

The limiting anti-rotation anti-overturning structure specifically comprises: the left and right sides of the upper end surface of the inverted U-shaped piece 52 are respectively provided with an extending plate 53 which extends outwards horizontally, a round hole is formed in the middle of the extending plate 53, a corresponding threaded hole 21 is formed in the top plate 2, a limiting post 6 is arranged in the round hole in a penetrating manner, the outer diameter of the limiting post 6 is smaller than the diameter of the round hole, the upper end of the limiting post 6 extends out of the upper end surface of the inverted U-shaped piece 52, the lower end of the limiting post 6 is provided with a flanging 61, a limiting block 7 is arranged outside the limiting post 6, the limiting block 7 is a C-shaped block with a reduced upper part and a concave side surface provided with a U-shaped groove 71, the upper diameter of the limiting block 7 is the same as the diameter of the round hole of the extending plate 53, the limiting block 7 is inserted outside the limiting post 6 through the U-shaped groove 71, the lower extreme of stopper 7 offsets with the turn-ups 61 of spacing post 6, and the upper end of stopper 7 inserts and offsets spacing post 6 through the step in the round hole with the lower terminal surface of falling U-shaped piece 52 and carry out spacingly, and spacing bolt 8 passes spacing post 6 and roof 2 threaded connection and fixes and form and prevent toppling limit structure, has certain clearance between the round hole of spacing post 6 and extension board 53, and the clearance is preferable to be controlled within 5mm, and has spacing protection's perpendicular interval between the head of spacing bolt 8 and the lower terminal surface of falling U-shaped piece 52 both sides extension board 53, and perpendicular interval is preferable to be controlled within 5 mm.

The middle part of the column type sensor 1 is a front-back concave cylinder, the upper end and the lower end of the column type sensor 1 are an upper bearing end 11 and a lower bearing end 12 with reduced diameters, the base 4 is fixed on a bottom plate 51 of the foundation plate 5 through screws, two edge boss structures are arranged on the side face of the lower bearing end 12 of the column type sensor 1, and two edge grooves for inserting, positioning and rotation preventing of the lower bearing end 12 of the column type sensor 1 are formed in the middle of the upper end face of the base 4. The upper end of the upper bearing end 11 of the column type sensor 1 is provided with a diameter-reducing cylinder with an arc surface, and a circular groove propped against the diameter-reducing cylinder is correspondingly formed in the middle of the lower end surface of the upper pressure head 3. A circle of annular grooves 13 are respectively formed between the upper bearing end 11 and the lower bearing end 12 of the column type sensor 1 and the middle cylinder, a dust cover 10 with an opening at the lower end is arranged outside the lower bearing end 12, the upper end of the dust cover 10 is arranged in the annular grooves 13 and abuts against the middle cylinder, and the lower end of the dust cover 10 is sleeved and arranged on the periphery of the base 4 to be fixed.

A removable limit pad 9 for fixing the position of the components during transport and installation of the weighing module is interposed between the top plate 2 and the upper end face of the inverted U-shaped element 52.

In addition, a weight-reducing hollowed-out portion 521 is provided at the middle of both sides of the inverted U-shaped member 52.

The specific structure of the inside of the column sensor 1 is consistent with the prior art and will not be repeated here.

The inverted U-shaped piece 52 and the bottom plate 51 are integrated, so that the foundation plate 5 is firm and stable in structure, extension plates 53 are arranged on two sides of the inverted U-shaped piece 52, limiting bolts 8 penetrate through limiting columns 6 and limiting blocks 7, round holes of the extension plates 53 on two sides of the upper end of the inverted U-shaped piece 52 and the top plate 2 are in threaded connection, double protection is achieved, limiting effects are achieved on horizontal lateral force and unbalanced loads of all directions of the module, rollover resistance and overturning capacity are higher, sensors and devices are effectively protected, and meanwhile the weighing module is always in optimal metering precision.

In operation, the column sensor 1 is placed on the bottom plate 51 by the base 4, and the upper ram 3 is used to transfer the weighing load from the top plate 2 to the weighing sensor. Because each direction is provided with the anti-tilting device, the device has a limiting effect on horizontal lateral force and unbalanced load in each direction born by the module, and the sensor and the equipment are effectively protected.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. The utility model provides an integrated into one piece post type moves quiet load weighing module, includes roof, goes up pressure head, column type sensor, base and foundation plate, its characterized in that: the foundation plate is a closed-loop structure formed by a bottom plate and an inverted U-shaped piece in an integrated mode, a base is fixed at the center position of the upper end face of the bottom plate, the lower end of the column type sensor is arranged on the base, the upper end of the column type sensor abuts against an upper pressing head, the upper end face of the inverted U-shaped piece is provided with a central hole through which the upper end of the upper pressing head penetrates and limits 360 degrees, the upper end of the upper pressing head penetrates through the inverted U-shaped piece and abuts against the lower end face of a top plate, and a limiting anti-rotation anti-overturning structure which plays a limiting role on horizontal lateral force and deflection loads in all directions of a module is arranged between the top plate and the inverted U-shaped piece.

2. The integrally formed post static and dynamic load weighing module of claim 1, wherein: the limiting anti-rotation anti-overturning structure specifically comprises the following components: the upper end face left and right sides of the U-shaped piece falls is equipped with the extension board that outside level extends respectively, a round hole has been seted up at the middle part of extension board, be equipped with corresponding screw hole on the roof, a spacing post has been worn to put in the round hole, the up end of spacing post stretches out the up end of the U-shaped piece of falling, the lower extreme of spacing post is equipped with the turn-ups, be equipped with the stopper outside the spacing post, the lower extreme of stopper offsets with the turn-ups of spacing post, the upper end of stopper inserts and offsets through the lower terminal surface of step and falling the U-shaped piece in the round hole, spacing bolt passes spacing post and roof threaded connection and fixes and form and prevent overturning limit structure, have certain clearance between the round hole of spacing post and extension board, and have spacing protection's perpendicular interval between spacing bolt's the head and the lower terminal surface of extension board.

3. The integrally formed post static and dynamic load weighing module of claim 2, wherein: the gap is controlled within 5mm, and the vertical spacing is controlled within 5 mm.

4. The integrally formed post static and dynamic load weighing module of claim 2, wherein: the limiting block is a C-shaped block with a reduced upper portion and a U-shaped groove concavely arranged on the side face, the diameter of the upper portion of the limiting block is the same as the diameter of a round hole of the extension plate, and the limiting block is inserted outside the limiting column through the U-shaped groove to limit the limiting column.

5. The integrally formed post static and dynamic load weighing module of claim 1, wherein: the upper end face of the inverted U-shaped piece is a horizontal elliptic plane, two sides of the inverted U-shaped piece are of a structure with wide lower parts and narrow upper parts, the lower ends of the inverted U-shaped piece are fixed on the front side and the rear side of the upper end face of the bottom plate, the upper pressing head is of a cylindrical structure with an inverted T-shaped longitudinal section, the central hole of the upper end face of the inverted U-shaped piece is a circular hole in which an upper reducing cylinder of the upper pressing head penetrates, and the outer circle size of the lower part of the upper pressing head is larger than that of the circular hole.

6. The integrally formed post static and dynamic load weighing module of claim 1, wherein: the upper part of the upper pressure head is tightly sleeved with an O-shaped ring, the O-shaped ring is a silica gel sealing ring, and the outer peripheral surface of the O-shaped ring is provided with a ring of U-shaped groove sleeved with the wall surface of the central hole of the inverted U-shaped piece.

7. An integrally formed post static and dynamic weighing module as claimed in any one of claims 1 to 6, wherein: the middle part of the column type sensor is a cylinder with concave front and back, the upper end and the lower end of the column type sensor are an upper bearing end and a lower bearing end with reduced diameters, the base is fixed on the bottom plate of the foundation plate through screws, two prismatic boss structures are arranged on the side face of the lower bearing end of the column type sensor, and two prismatic grooves for inserting, positioning and rotation preventing of the lower bearing end of the column type sensor are formed in the middle of the upper end face of the base.

8. The integrally formed post static and dynamic load weighing module of claim 7, wherein: the upper end of the upper bearing end of the column type sensor is provided with a diameter-reducing cylinder with an arc surface, and a circular groove propped against the diameter-reducing cylinder is correspondingly formed in the middle of the lower end surface of the upper pressure head.

9. The integrally formed post static and dynamic load weighing module of claim 7, wherein: a circle of annular grooves are respectively formed between the upper bearing end and the lower bearing end of the column type sensor and the middle cylinder, a dust cover with an opening at the lower end is arranged outside the lower bearing end, the upper end of the dust cover is arranged in the annular grooves and abuts against the middle cylinder, and the lower end of the dust cover is sleeved on the periphery of the base to be fixed.

10. An integrally formed post static and dynamic weighing module as claimed in any one of claims 1 to 6, wherein: a removable limit pad for fixing the position of the component during transportation and installation of the weighing module is inserted between the top plate and the upper end surface of the inverted U-shaped piece.