CN112964346A

CN112964346A - Hopper device for spring-free microcomputer combined scale

Info

Publication number: CN112964346A
Application number: CN202110382288.3A
Authority: CN
Inventors: 郑贻端; 郑鉴垣
Original assignee: Guangodng High Dream Intellectualized Machinery Co ltd
Current assignee: Guangodng High Dream Intellectualized Machinery Co ltd
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-06-15

Abstract

The invention discloses a hopper device for a spring-free microcomputer combination scale, which comprises a hopper body, a hopper gate, a motor, a swing rod, a movable support and an installation frame, wherein the swing rod is connected to an output shaft of the motor, the motor is installed on the installation frame, the movable support is hinged with the installation frame, the hopper body is installed on the installation frame, the hopper gate is hinged with the hopper body, the hopper device also comprises a gate driving shaft and a pull rod, the hopper gate is connected with the movable support through the pull rod, the gate driving shaft is installed on the movable support, and the swing rod is movably connected with the gate driving shaft. According to the invention, a spring is not needed, a motor is used to drive the swing rod to rotate, and the rotation of the swing rod is converted into the movement of the hopper door driving shaft through the movable mechanism, so that the opening and closing of the hopper door of the hopper are controlled through the pull rod, and the influence of high noise and vibration on blanking precision caused by the rebound of the spring is reduced; the condition that the spring breaks and falls is avoided.

Description

Hopper device for spring-free microcomputer combined scale

Technical Field

The invention belongs to the technical field of combined scale equipment, and particularly relates to a hopper device for a spring-free microcomputer combined scale.

Background

The hopper is an important component of the combined scale and is widely applied to the field of mechanical packaging. The prior hopper device mainly comprises a hopper body, a hopper door, a motor and a frame structure. The upper end of hopper gate articulates in the hopper body, and the motor is installed in the frame, and the power output shaft and the hopper gate of motor are connected, is connected through reset spring between hopper gate and the frame construction simultaneously. Although the hopper device with the structure can realize basic functions, the following defects exist: after the hopper door of the hopper is driven to be opened by the motor, the hopper door of the hopper needs to be closed to reset by the restoring force of the reset spring, so that the hopper door and the hopper body of the hopper generate larger impact, and larger noise is generated; meanwhile, the vibration generated by the impact also influences the weighing accuracy of the combined scale; there is also a risk of breakage and dropping when the spring is used, and the difficulty of cleaning is also increased.

Disclosure of Invention

The invention aims to provide a hopper device for a spring-free microcomputer combination scale, which solves the problems that the prior hopper device for the combination scale proposed in the background art generates noise, generates vibration to reduce the accuracy, is difficult to clean and has the danger of spring fracture and falling.

The purpose of the invention is realized by the following technical scheme:

the utility model provides a no spring computer is hopper device for combination balance, includes hopper bucket body, hopper sluice gate, motor, pendulum rod, movable support, mounting bracket, the pendulum rod connect in the output of motor, the motor install in the mounting bracket, the movable support with the mounting bracket is connected, the hopper bucket body install in the mounting bracket, the hopper sluice gate with the hopper bucket body is connected, its characterized in that still includes sluice gate drive shaft and pull rod, the hopper sluice gate with the movable support passes through the pull rod and connects, the sluice gate drive shaft install in the movable support, the pendulum rod with hopper sluice gate drive shaft swing joint.

The technical scheme is that the hopper door driving shaft comprises a driving frame and rotating shafts fixed at two ends of the driving frame, driving holes are formed in the driving frame, the rotating shafts are connected with a movable support through bearings, and one end of a swing rod is inserted into the driving holes.

A further technical scheme is, the movable support is equipped with from the locking piece, the hopper door with pin joint between the pull rod is pin joint A, the pull rod with pin joint between the movable support is pin joint B, the movable support with pin joint between the mounting bracket is pin joint C, and when the hopper door was in the state of closing the door, pin joint B was in the below of connecting line between material pin joint A and pin joint C, from the locking piece withstands the mounting bracket.

The further technical scheme is that the movable support comprises 2 first side plates and at least one movable support connecting rod, the 2 first side plates are connected through the movable support connecting rod, wherein 1 first side plate is provided with a convex connecting part, and the connecting part is hinged with the pull rod.

The further technical scheme is that the self-locking piece is a self-locking rod, and two ends of the self-locking rod are respectively connected with the lower ends of the 2 first side plates.

The technical scheme is that the self-locking piece is a baffle which is positioned at the lower end of the first side plate, and the baffle and the first side plate are mutually vertical.

Further technical scheme is, the mounting bracket includes 2 second curb plates and mounting bracket connecting rods, the mounting bracket connecting rod is connected in 2 second curb plates simultaneously, 2 second curb plates are fixed in the hopper body respectively.

The further technical scheme is that the motor further comprises a motor shell, and the motor is installed inside the motor shell.

The technical scheme is that the swing rod device further comprises a crank throw, an output shaft of the motor is connected to the swing rod through the crank throw, and the axial direction of the swing rod is parallel to the axial direction of the output shaft of the motor.

The further technical scheme is that the mounting frame is provided with a sliding groove, and the motor fixing frame is arranged on the mounting frame through the sliding groove.

Compared with the prior art, the invention has the beneficial effects that:

1. the hopper door driving shaft with a unique structure is adopted, the motor is connected with the hopper door driving shaft through the swing rod, and the motor directly drives the hopper door driving shaft to drive the hopper door to open and close through the movable support and the pull rod, so that the hopper door does not need to be reset by using a spring, the hopper door is prevented from generating larger impact with the hopper body when being reset, the noise can be reduced, and the weighing accuracy of the combined scale can be improved.

2. After the hopper door driving shaft with a unique structure is adopted, the hopper door of the hopper does not need to be reset by a spring, so that the risk of breakage and falling of the spring is avoided, and meanwhile, the cleaning and maintenance of the hopper door device are facilitated.

3. The hopper device is provided with the self-locking piece, and each hinge point is uniquely arranged, namely when the hopper door of the hopper is in a closed state, the hinge point B is arranged below a connecting line between the hinge point A and the hinge point B, so that the hopper device has a self-locking function, the hopper door of the hopper is prevented from being flushed open when the hopper is filled with materials, and the reliability of the hopper device is improved.

4. The axial direction of the swing rod is parallel to the axial direction of the power output shaft of the motor, so that the motor can be conveniently installed in the box, namely the motor does not need to be transversely installed like the existing motor, the size of the motor is not limited, and the more proper motor is convenient to select.

Drawings

FIG. 1 is a schematic structural view of a hopper device for a spring-free micro-computer combination scale according to the present invention;

FIG. 2 is a view showing a construction of a hopper device for a spring-less micro-computer combination scale according to the present invention, with a motor omitted;

FIG. 3 is an exploded view of the hopper assembly for a springless micro-computer combination scale of the present invention;

fig. 4 is a schematic view of an application structure of the hopper device for the spring-free microcomputer combination scale of the present invention.

Reference numerals: 1. a hopper body; 2. a hopper door of the hopper; 3. a motor; 4. a swing rod; 5. a movable support; 501. a self-locking lever; 502. a first side plate; 503. a movable bracket connecting rod; 6. a mounting frame; 601. a second side plate; 602 mounting a frame connecting rod; 603. a chute; 7. a hopper door drive shaft; 701. a drive frame; 702. a rotating shaft; 703. a drive aperture; 8. a pull rod; 9. a hinge point A; 10. a hinge point B; 11. a hinge point C; 12. a motor housing; 13. a crank throw; 14. a buffer hopper; 15. a weighing hopper; 16. and a bearing.

Detailed Description

For a better understanding of the objects, structure, features, and functions of the invention, reference should be made to the drawings and detailed description that follow. It should be noted that the features illustrated in the drawings are not necessarily drawn to scale. Moreover, the described embodiments are a few embodiments of the invention, rather than all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", "front", "rear", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

Example 1

As shown in fig. 1 to 3, a no spring for computer combination balance hopper device, including hopper body 1, hopper door 2, motor 3, pendulum rod 4, movable support 5, mounting bracket 6, pendulum rod 4 connect in the output of motor 3, motor 3 install in mounting bracket 6, movable support 5 with mounting bracket 6 connects, hopper body 1 install in mounting bracket 6, hopper door 2 with hopper body 1 is connected, its characterized in that still includes hopper door drive shaft 7 and pull rod 8, hopper door 2 with movable support 5 passes through pull rod 8 and connects, hopper door drive shaft 7 install in movable support 5, pendulum rod 4 with hopper door drive shaft 7 swing joint. The hopper door driving shaft 7 comprises a driving frame 701 and rotating shafts 702 fixed at two ends of the driving frame 701, a driving hole 703 is formed in the driving frame 701, the rotating shafts 702 are connected with the movable support 5 through bearings 16, and one end of the swing rod 4 is inserted into the driving hole 703. The hopper device is different from the existing hopper device which needs a spring, in the embodiment, the driving hole 703 is in a strip shape, the motor 3 is connected with the hopper door driving shaft 7 through the swing rod 4, after the motor 3 directly drives the hopper door driving shaft 7, the swing rod 4 is restrained by the driving hole 703 in the rotating process so as to drive the movable support 5 to swing, the movable support 5 drives the hopper door 2 to open and close through the pull rod 8, so that the spring is not needed to reset, the hopper door 2 is prevented from generating large impact with the hopper body 1 when being reset, and the noise can be reduced and the weighing accuracy of the combination scale can be improved; meanwhile, the conditions of spring fracture and falling are avoided, and the device is environment-friendly and safe.

Activity support 5 is equipped with self-locking lever 501, and the pin joint between hopper door 2 and the pull rod 8 is pin joint A9, and the pin joint between pull rod 8 and the activity support 5 is pin joint B10, and the pin joint between activity support 5 and the mounting bracket 6 is pin joint C11, and when hopper door 2 was in the state of closing the door, pin joint B10 was in material pin joint A9 and pin joint C11 between the line below, and self-locking lever 501 withstood mounting bracket 6. Because pin joint B10 is in the line below between pin joint A9 and pin joint C11, self-locking lever 501 withstands mounting bracket 6, then hopper door 2 is when closing the door state, and hopper door 2 realizes the auto-lock through pull rod 8, movable support 5 and self-locking lever 501 to when guaranteeing that hopper body 1 is equipped with the material, hopper door 2 can not opened by the gravity of material. And when hopper door 2 is opened to needs, motor 3 drive pendulum rod 4 upwards rotates, and pendulum rod 4 rotates and drives movable support 5 through door drive shaft 7 and upwards swings, then pin joint B10 rebound, pin joint B10 rebound in-process, 8 pulling hopper doors 2 of pull rod to open hopper door 2, make the material in the hopper body 1 drop to in subsequent part. After the swing rod 4 rotates to the highest position, the swing rod rotates downwards, in the process of downward rotation of the swing rod 4, the movable support 5 is pulled downwards through the hopper door driving shaft 7, so that the movable support 5 swings downwards until the self-locking rod 501 abuts against the mounting rack 6, at the moment, the hinge point B10 returns to the original position, namely, the hinge point B10 is located below a connecting line between the hopper hinge point A9 and the hinge point C11, and the hopper door 2 is in a closed state again, namely, self-locking is achieved again. The hopper door 2 of the hopper is closed and opened through the swing rod 4 and the hopper door driving shaft 7 without adopting spring reset.

The movable support 5 comprises 2 first side plates 502 and at least one movable support 5 connecting rod 503, wherein the 2 first side plates 502 are connected through the movable support 5 connecting rod 503, and a convex connecting part is arranged on the 1 first side plate 502 and is hinged with the pull rod 8. The first side plate 502 is a detachable side plate, different types can be replaced according to requirements, and the shape of the first side plate can be determined according to the use place. The protruding connection portion provided in one of the first side plates 502 can simplify the manufacturing process and avoid using excessive connection parts.

Mounting bracket 6 includes 2 second curb plates 601 and mounting bracket 6 connecting rod 602, mounting bracket 6 connecting rod 602 connects in 2 second curb plates 601 simultaneously, 2 second curb plates 601 are fixed in hopper body 1 respectively. The mounting bracket of this structure simple structure, simple to operate, the shape of second curb plate can be according to the design of using the place simultaneously to satisfy various demands.

The hopper device for the spring-free microcomputer combination scale further comprises a motor shell 12, the motor 3 is installed inside the motor shell 12, the motor shell 12 can protect the motor 3 and fix the motor 3, and operation safety of the motor 3 is guaranteed.

The hopper device for the spring-free microcomputer combination scale further comprises a crank 13, an output shaft of the motor 3 is connected to the swing rod 4 through the crank 13, and the axial direction of the swing rod 4 is parallel to the axial direction of the output shaft of the motor 3. The design is convenient for replacing motors of different models according to requirements, and only the motor with the crank 13 and the swing rod 4 needs to be taken down from the motor shell 12 together, and then a new motor with the crank 13 and the swing rod 4 is installed on the motor shell 12.

The mounting bracket 6 is provided with a sliding groove 603, and the fixing frame of the motor 3 is mounted on the mounting bracket 6 through the sliding groove 603. The position matching between the swing rod 4 connected with the motor 3 and the hopper door driving shaft 7 on the movable bracket 5 can be adjusted in a small range according to requirements, so that the motor 3 can normally drive the hopper door driving shaft 7 to move to control the hopper door 2 to open and close; when the top end of the swing rod 4 is slightly worn, the motor 3 is attached to the mounting frame 6 through the installation position of the adjusting sliding groove 603, so that the swing rod 4 and the hopper door driving shaft 7 are stably connected, and the function of the device is guaranteed.

The working principle is as follows: firstly, placing materials into a hopper body 1 of a hopper; during unloading, the starting motor 3 controls the swing rod 4 to rotate, the swing rod 4 rotates upwards to drive the hopper door driving shaft 7 to move upwards, the hopper door driving shaft 7 drives the movable support 5 to rotate upwards, the movable support 5 rotating upwards drives the hopper door 2 to open through the pull rod 8, and when the swing rod 4 rotates to the highest position, the hopper door 2 is completely opened, and materials fall down; when stopping unloading, control motor 3 makes pendulum rod 4 rotate, pendulum rod 4 rotates downwards and drives hopper door drive shaft 7 and moves down, hopper door drive shaft 7 drives movable support 5 and rotates downwards, pivoted movable support 5 drives hopper door 2 through pull rod 8 and closes, when pendulum rod 4 rotates to the extreme low position, hopper door 2 closes completely, the material stops to fall down, simultaneously, pin joint B10 is in pin joint A9 and pin joint C11 line below, the self-locking lever on the movable support 5 contacts with mounting bracket 6 and withstands, form the auto-lock, guarantee hopper door 2 and close, prevent that the interior material of hopper body 1 from breaking hopper door 2 open.

As shown in fig. 4, the hopper device of the present application can be applied to the weighing hopper 15 and the buffering hopper 14 of a microcomputer combination scale.

Example 2

The hopper device for the spring-free microcomputer combination scale is the same as the embodiment except for the following technical characteristics. The self-locking piece is a baffle plate, the baffle plate is positioned at the lower end of the first side plate, and the baffle plate and the first side plate are perpendicular to each other. Namely, the self-locking rod in embodiment 1 is replaced by a baffle plate, and other structures are not changed, the baffle plate is perpendicular to the first side plate 502 and is integrally formed with the first side plate 502, so that the production and installation steps are simplified, and the device structure is simpler. When motor control pendulum rod 4 removed the below, hopper gate 2 closed, and the baffle withstood mounting bracket 6 this moment, realized the auto-lock with the same effect of embodiment 1, guaranteed that hopper gate closes.

The above detailed description is only for the purpose of illustrating the preferred embodiments of the present invention, and not for the purpose of limiting the scope of the present invention, therefore, all technical changes that can be made by applying the present specification and the drawings are included in the scope of the present invention.

Claims

1. The utility model provides a no spring computer is hopper device for combination balance, includes hopper bucket body, hopper sluice gate, motor, pendulum rod, movable support, mounting bracket, the pendulum rod connect in the output shaft of motor, the motor install in the mounting bracket, the movable support with the mounting bracket is articulated, the hopper bucket body install in the mounting bracket, the hopper sluice gate with the hopper bucket body is articulated, its characterized in that still includes sluice gate drive shaft and pull rod, the hopper sluice gate with the movable support passes through the pull rod and connects, the sluice gate drive shaft install in the movable support, the pendulum rod with hopper sluice gate drive shaft swing joint.

2. The hopper device for a spring-free microcomputer combination scale according to claim 1, wherein: the hopper door drive shaft comprises a drive frame and rotating shafts fixed at two ends of the drive frame, drive holes are formed in the drive frame, the rotating shafts are connected with the movable support through bearings, and one end of the oscillating rod is inserted into the drive holes.

3. The hopper device for a spring-free microcomputer combination scale according to claim 1, wherein: the movable support is equipped with the self-locking piece, the hopper door with pin joint between the pull rod is pin joint A, the pull rod with pin joint between the movable support is pin joint B, the movable support with pin joint between the mounting bracket is pin joint C, and when the hopper door was in the state of closing the door, pin joint B was in the below of connecting line between material pin joint A and pin joint C, the self-locking piece withstood the mounting bracket.

4. The hopper device for a spring-free microcomputer combination scale according to claim 2, wherein: the movable support comprises 2 first side plates and at least one movable support connecting rod, the 2 first side plates are connected through the movable support connecting rod, wherein 1 first side plate is provided with a convex connecting part, and the connecting part is hinged with the pull rod.

5. The hopper device for a spring-free microcomputer combination scale according to claim 3, wherein: the self-locking piece is a self-locking rod, and two ends of the self-locking rod are respectively connected with the lower ends of the 2 first side plates.

6. The hopper device for a spring-free microcomputer combination scale according to claim 3, wherein: the self-locking piece is a baffle plate, the baffle plate is positioned at the lower end of the first side plate, and the baffle plate and the first side plate are perpendicular to each other.

7. The hopper device for a spring-free microcomputer combination scale according to claim 1, wherein: the mounting bracket includes 2 second curb plates and mounting bracket connecting rods, the mounting bracket connecting rod is connected in 2 second curb plates simultaneously, 2 second curb plates are fixed in the hopper body respectively.

8. The hopper device for a spring-free microcomputer combination scale according to claim 1, wherein: still include motor housing, the motor install in inside the motor housing.

9. The hopper device for a spring-free microcomputer combination scale according to claim 1, wherein: the motor is characterized by further comprising a crank throw, an output shaft of the motor is connected to the swing rod through the crank throw, and the axial direction of the swing rod is parallel to the axial direction of the output shaft of the motor.

10. The hopper device for a spring-free microcomputer combination scale according to claim 1, wherein: the mounting bracket is provided with a sliding groove, and the motor fixing frame is arranged on the mounting bracket through the sliding groove.