CN220508222U

CN220508222U - Weighing module with good sealing performance

Info

Publication number: CN220508222U
Application number: CN202322178242.7U
Authority: CN
Inventors: 冯鹏刚; 吴明哲; 徐少羽
Original assignee: Changzhou Hengyuan Electronic Weighing Instrument Co ltd
Current assignee: Changzhou Hengyuan Electronic Weighing Instrument Co ltd
Priority date: 2023-08-14
Filing date: 2023-08-14
Publication date: 2024-02-20
Anticipated expiration: 2033-08-14

Abstract

The utility model discloses a weighing module with good sealing performance, which comprises a lower substrate, wherein a weighing sensor is fixedly arranged at one end of the lower substrate, a supporting component is fixedly arranged at the other end of the lower substrate, the upper end of the supporting component penetrates through an upper substrate, one end, close to the supporting component, of the weighing sensor is movably connected with the upper substrate through a guide component, a signal connecting wire is fixedly arranged at one end, far away from the guide mechanism, of the weighing sensor, a protecting cover is symmetrically arranged on the outer wall of the lower substrate, the protecting cover is in sliding connection with the lower substrate, an ear plate is fixedly arranged at the top of the protecting cover, fastening bolts are penetrated through the ear plate, and the protecting covers are fixed through the fastening bolts. The utility model has the advantages of structural design is simple, and the symmetry sets up gliding protecting cover on the lower base plate, folds two protecting covers fixedly after weighing module other subassembly installation are accomplished, and protecting cover and supporting component, direction subassembly and signal connection line department are equipped with sealing gasket or bellows, prevent that the dust from getting into the inside weighing precision that influences of protecting cover.

Description

Weighing module with good sealing performance

Technical Field

The utility model belongs to the technical field of weighing sensors, and particularly relates to a weighing module with good sealing performance.

Background

The weighing sensor is widely applied in the field of weighing, the commonly used weighing sensor has various forms and mounting modes, and the weighing sensor and the supporting and limiting device form a weighing module and are applied to various industrial weighing places. A typical weighing module mainly comprises: the upper top plate, the lower top plate, the cushion block, the weighing sensor and the force transmission component. Wherein the load cell is securely mounted over the bottom plate and the front end is connected to the top plate by a force transmitting member to receive weight transmission from the carrier.

In industries such as cement, metallurgy, chemical industry, grain processing, petrochemical industry, when the weighing mode is used for metering or controlling the material level, a plurality of weighing sensors are arranged at the lower part of a supported piece (such as a charging bucket), and the weight or the material level of the material in the charging bucket is automatically metered. However, the existing weighing sensor is mostly of an open structure, a large amount of dust is generated in the production process of the industry, the accumulated dust and impurities can influence the weighing precision, and the cleaning is inconvenient.

Disclosure of Invention

In order to solve the defects in the background art, the utility model aims to provide a weighing module with good sealing performance, the structure design is simple, sliding protecting covers are symmetrically arranged on a lower substrate, after other components of the weighing module are installed, the two protecting covers are folded and fixed, and sealing gaskets or corrugated pipes are arranged at the positions of the protecting covers, a supporting component, a guiding component and a signal connecting line to prevent dust from entering the protecting covers to influence weighing precision.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a weighing module that leakproofness is good, including the lower base plate, lower base plate one end fixed mounting weighing sensor, lower base plate other end fixed mounting supporting component, the supporting component upper end runs through the base plate, weighing sensor is close to supporting component one end and passes through guiding component and last base plate swing joint, weighing sensor keeps away from guiding mechanism one end tip fixed mounting signal connection line, lower base plate outer wall symmetry is equipped with the protecting cover, protecting cover and lower base plate sliding connection, protecting cover top fixed mounting otic placode, run through on the otic placode and be equipped with fastening bolt, it is fixed through fastening bolt between the protecting cover.

Further preferably, the edge of the close side of the protecting cover corresponding to the supporting component, the guiding component and the signal connecting line Fan Biekai is provided with a first clamping groove, a second clamping groove and a third clamping groove, the inner walls of the first clamping groove and the third clamping groove are fixedly provided with sealing gaskets, the outer wall of the guiding component above the second clamping groove is sleeved with a corrugated pipe, and the diameter of the corrugated pipe is larger than that of the second clamping groove.

Still preferably, the support assembly comprises a limit post, a screw head is fixed at the top end of the limit post, the lower end of the limit post penetrates through the upper substrate, the upper substrate is in sliding connection with the limit post, the lower end of the limit post is in threaded connection with the lower substrate, a first nut and a second nut are arranged on the surface of the limit post above the lower substrate, the first nut and the second nut are in threaded connection with the limit post, and the first nut, the second nut and the lower substrate are sequentially attached.

Further preferably, the guide assembly comprises a first guide block and a second guide block which are symmetrically arranged, wherein the end face of one side close to the first guide block and the end face of one side close to the second guide block are provided with arc grooves, movable balls are arranged in the arc grooves, cylindrical insertion blocks are fixedly connected to one sides, away from each other, of the first guide block and the second guide block, the first guide block is connected with the weighing sensor in a clamping mode through the cylindrical insertion blocks, and the second guide block is connected with the upper substrate in a clamping mode through the cylindrical insertion blocks.

Further preferably, the radius of the arc-shaped groove is larger than the radius of the movable ball, and the distance between the first guide block and the second guide block is smaller than the diameter of the movable ball.

Further preferably, the outer wall of the cylindrical insertion block is provided with an annular groove, a rubber ring is sleeved in the annular groove, a first jack is formed in the position, corresponding to the first guide block, of the weighing sensor, the first guide block is in clamping connection with the first jack, a mounting groove is formed in the position, corresponding to the second guide block, of the upper substrate, a clamping block is arranged in the mounting groove and in interference fit with the mounting groove, a second jack is formed in the middle of the clamping block, and the second guide block is in clamping connection with the second jack.

The utility model has the beneficial effects that:

the weighing module is simple in structural design, the sliding protecting covers are symmetrically arranged on the lower substrate, the two protecting covers are folded and fixed after other components of the weighing module are installed, and the sealing gaskets or the corrugated pipes are arranged at the positions of the protecting covers, the supporting components, the guiding components and the signal connecting lines, so that dust is prevented from entering the protecting covers to influence weighing precision. Meanwhile, the guide mechanism can realize buffering when the measuring object moves or vibrates, so that the measuring object keeps being attached to the upper substrate, and the accuracy of measuring data is guaranteed.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of a weighing module of the present utility model with good sealing;

FIG. 2 is a front view of a well-sealed weighing module of the present utility model;

FIG. 3 is a schematic view of the weighing module of the present utility model in an open configuration with good sealing;

FIG. 4 is a cross-sectional view of a weighing module of the present utility model with good sealing;

FIG. 5 is a B-B cross-sectional view of a weighing module of the present utility model with good sealing;

fig. 6 is an enlarged schematic view of the present utility model at position a of fig. 5.

In the figure: the device comprises a lower base plate 1, a weighing sensor 2, a support assembly 3, an upper base plate 4, a guide assembly 5, a signal connecting wire 6, a protective cover 7, an ear plate 8, a fastening bolt 9, a first clamping groove 10, a second clamping groove 11, a third clamping groove 12, a sealing gasket 13, a corrugated pipe 14, a limit post 15, a screw head 16, a first nut 17, a second nut 18, a first guide block 19, a second guide block 20, an arc-shaped groove 21, a movable ball 22, a cylindrical insert 23, an annular groove 24, a rubber ring 25, a first jack 26, a mounting groove 27, a clamping block 28 and a second jack 29.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate orientation or positional relationships, merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1-6, a weighing module with good sealing performance comprises a lower substrate 1, a weighing sensor 2 is fixedly mounted at one end of the lower substrate 1, a supporting component 3 is fixedly mounted at the other end of the lower substrate 1, an upper substrate 4 is penetrated through the upper end of the supporting component 3, the weighing sensor 2 is close to one end of the supporting component 4 and movably connected with the upper substrate 4 through a guide component 5, a signal connecting wire 6 is fixedly mounted at one end of the weighing sensor 2, which is far away from the guide mechanism 5, a protecting cover 7 is symmetrically arranged on the outer wall of the lower substrate 1, the protecting cover 7 is in sliding connection with the lower substrate 1, an ear plate 8 is fixedly mounted at the top of the protecting cover 7, a fastening bolt 9 is penetrated and arranged on the ear plate 8, and the protecting covers 7 are fixed through the fastening bolt 9.

The edge of one side of the protecting cover 7 close to the corresponding supporting component 3, the guiding component 5 and the signal connecting line 6 is provided with a first clamping groove 10, a second clamping groove 11 and a third clamping groove 12, the inner walls of the first clamping groove 10 and the third clamping groove 12 are fixedly provided with a sealing gasket 13, the outer wall of the guiding component 5 above the second clamping groove 11 is sleeved with a corrugated pipe 14, and the diameter of the corrugated pipe 14 is larger than that of the second clamping groove 11.

The support component 3 comprises a limit post 15, a screw head 16 is fixed at the top end of the limit post 15, the lower end of the limit post 15 penetrates through the upper substrate 4, the upper substrate 4 is in sliding connection with the limit post 15, the lower end of the limit post 15 is in threaded connection with the lower substrate 1, a first nut 17 and a second nut 18 are arranged on the surface of the limit post 15 above the lower substrate 1, the first nut 17 and the second nut 18 are in threaded connection with the limit post 15, and the first nut 17, the second nut 18 and the lower substrate 1 are sequentially attached.

The guide assembly comprises a first guide block 19 and a second guide block 20 which are symmetrically arranged, wherein the diameter of the second guide block 20 is smaller than that of the second clamping groove 11, a certain buffer gap is reserved between the first guide column 19 and the second guide column in the horizontal direction, an arc-shaped groove 21 is formed in the end face of one side, close to the first guide block 19 and the second guide block 20, of each guide block 20, movable balls 22 are arranged in the arc-shaped groove 21, cylindrical insertion blocks 23 are fixedly connected to one side, away from the first guide block 19 and the second guide block 20, of each guide block 19, the first guide block 19 is clamped with the weighing sensor 2 through the cylindrical insertion blocks 13, and the second guide block 20 is clamped with the upper substrate 4 through the cylindrical insertion blocks 23.

The radius of the arc-shaped groove 21 is larger than that of the movable ball 22, the distance between the first guide block 19 and the second guide block 20 is smaller than that of the movable ball 22, the movable ball 22 is ensured to freely roll in the arc-shaped groove 21 and cannot roll out from the edge of the arc-shaped groove 21, and therefore buffering is achieved when the upper substrate 4 is displaced.

The annular groove 24 has been seted up to cylindricality inserted block 23 outer wall, the annular groove 24 endotheca is equipped with rubber circle 25, weighing sensor 2 corresponds first guide block 19 department and has seted up first jack 26, first guide block 19 and first jack 16 joint, upper substrate 4 corresponds second guide block 20 department and has seted up mounting groove 27, be equipped with fixture block 28 in the mounting groove 27, fixture block 28 and mounting groove 27 interference fit, second jack 29 has been seted up in the middle of the fixture block 28, second guide block 20 and second jack 29 joint.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides a weighing module that leakproofness is good, its characterized in that, including lower base plate (1), lower base plate (1) one end fixed mounting weighing sensor (2), lower base plate (1) other end fixed mounting supporting component (3), supporting component (3) upper end runs through upper base plate (4), weighing sensor (2) are close to supporting component (3) one end and pass through guiding component (5) and upper base plate (4) swing joint, guiding component (5) one end tip fixed mounting signal connection line (6) are kept away from to weighing sensor (2), lower base plate (1) outer wall symmetry is equipped with protecting cover (7), protecting cover (7) and lower base plate (1) sliding connection, protecting cover (7) top fixed mounting otic placode (8), run through on otic placode (8) and be equipped with fastening bolt (9), it is fixed through fastening bolt (9) between protecting cover (7).

2. The weighing module with good sealing performance according to claim 1, wherein the edge of one side of the protecting cover (7) close to the supporting component (3), the guiding component (5) and the signal connecting line (6) is provided with a first clamping groove (10), a second clamping groove (11) and a third clamping groove (12), the inner walls of the first clamping groove (10) and the third clamping groove (12) are fixedly provided with a sealing gasket (13), the outer wall of the guiding component (5) above the second clamping groove (11) is sleeved with a corrugated pipe (14), and the diameter of the corrugated pipe (14) is larger than that of the second clamping groove (11).

3. The weighing module with good sealing performance according to claim 1, wherein the supporting component (3) comprises a limit column (15), a screw head (16) is fixed at the top end of the limit column (15), the lower end of the limit column (15) penetrates through the upper substrate (4), the upper substrate (4) is in sliding connection with the limit column (15), the lower end of the limit column (15) is in threaded connection with the lower substrate (1), a first nut (17) and a second nut (18) are arranged on the surface of the limit column (15) above the lower substrate (1), the first nut (17) and the second nut (18) are in threaded connection with the limit column (15), and the first nut (17), the second nut (18) and the lower substrate (1) are sequentially attached.

4. The weighing module with good sealing performance according to claim 1, wherein the guiding assembly () comprises a first guiding block (19) and a second guiding block (20) which are symmetrically arranged, arc-shaped grooves (21) are formed in the end faces of one side, close to the first guiding block (19) and the second guiding block (20), movable balls (22) are arranged in the arc-shaped grooves (21), cylindrical inserting blocks (23) are fixedly connected to one sides, away from the first guiding block (19) and the second guiding block (20), of the first guiding block (19) and are clamped with the weighing sensor (2) through the cylindrical inserting blocks (23), and the second guiding block (20) is clamped with the upper substrate (4) through the cylindrical inserting blocks (23).

5. The weighing module with good tightness according to claim 4, characterized in that the radius of the arc-shaped groove (21) is larger than the radius of the movable ball (22), and the distance between the first guide block (19) and the second guide block (20) is smaller than the diameter of the movable ball (22).

6. The weighing module with good sealing performance according to claim 4, wherein the outer wall of the cylindrical insertion block (23) is provided with an annular groove (24), a rubber ring (25) is sleeved in the annular groove (24), a first jack (26) is formed in the position, corresponding to the first guide block (19), of the weighing sensor (2), the first guide block (19) is clamped with the first jack (26), a mounting groove (27) is formed in the position, corresponding to the second guide block (20), of the upper substrate (4), a clamping block (28) is arranged in the mounting groove (27), the clamping block (28) is in interference fit with the mounting groove (27), a second jack (29) is formed in the middle of the clamping block (28), and the second guide block (20) is clamped with the second jack (29).