CN116022389A

CN116022389A - Discharging quantity adjusting mechanism and discharging box of quantitative packing scale

Info

Publication number: CN116022389A
Application number: CN202111254227.5A
Authority: CN
Inventors: 鲍岩; 王晶; 张振; 李中福; 赵隽; 李永贞
Original assignee: China Petroleum and Chemical Corp
Current assignee: China Petroleum and Chemical Corp
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2023-04-28

Abstract

The invention relates to the field of quantitative control of the blanking amount of a packing scale, and discloses a blanking amount adjusting mechanism and a quantitative packing scale blanking box, wherein the blanking amount adjusting mechanism comprises: the blanking plate comprises a blanking plate, a driving mechanism and an expansion plate, wherein the expansion plate is fixedly connected to the end part of the blanking plate, and the driving mechanism is connected with the expansion plate to drive the blanking plate to linearly reciprocate along the plane where the driving mechanism is located. The blanking amount adjusting mechanism is applied to the blanking box, can quantitatively control the opening of the blanking channel, realizes quantitative control, does not need to knock the blanking plugboard during operation, and has high safety under the condition of dust explosion caused by knocking.

Description

Discharging quantity adjusting mechanism and discharging box of quantitative packing scale

Technical Field

The invention relates to the field of quantitative control of the blanking amount of a packing scale, in particular to a blanking amount adjusting mechanism and a blanking box of a quantitative packing scale.

Background

The quantitative packing scale is widely applied to the fields of petrochemical industry, medicine, food, feed packing and the like, and the structure of the quantitative packing scale is divided into two parts of metering weighing and packing, wherein the metering weighing part mainly comprises a blanking box, a servo mechanism, a hopper, a weighing system and a control system.

The blanking box consists of a box body, a blanking plugboard, a telescopic rod fixing frame and a dust cover, and the blanking box has the function of achieving the purpose of adjusting the blanking amount by moving the blanking plugboard up and down, wherein the original adjusting mode is that an operator holds a wrench or other metal tools to knock the blanking plugboard;

the manner of knocking the blanking insert has two problems: firstly, sparks generated by more dust knocks on a packaging site are easy to cause dust explosion, so that potential safety hazards are generated; and secondly, the adjustment quantity cannot be quantized, so that measurement fluctuation is caused, and measurement accuracy is affected.

Disclosure of Invention

The invention aims to solve the problems that the blanking box is low in safety and the blanking amount cannot be quantized in the prior art, and provides a blanking amount adjusting mechanism and a quantitative packing scale blanking box.

In order to achieve the above object, according to one aspect of the present invention, there is provided a blanking amount adjusting mechanism including: the blanking plate comprises a blanking plate, a driving mechanism and an expansion plate, wherein the expansion plate is fixedly connected to the end part of the blanking plate, and the driving mechanism is connected with the expansion plate to drive the blanking plate to do linear reciprocating movement along the plane where the blanking plate is located.

Preferably, the driving mechanism is a screw lifter.

Preferably, the screw lifter includes: the device comprises a shell, a screw rod and a driving shaft, wherein the screw rod penetrates through the shell; the screw rod is connected with the expansion plate through a screw rod flange, and the driving shaft is meshed with the screw rod through a gear.

Preferably, an end of the driving shaft protrudes to the outside of the housing and is connected with a driving member.

Preferably, the driving piece is a hand wheel rocking handle or a gear motor.

Preferably, a supporting frame is arranged at the bottom of the shell, and a through hole for the screw rod to pass through is arranged on the supporting frame.

Preferably, a protective sleeve is arranged at the bottom end of the supporting frame, and the screw rod can be positioned in the protective sleeve to stretch and retract.

Preferably, a bar-shaped groove is formed in the side face of the protection sleeve, and a scale is arranged on one side of the bar-shaped groove.

Preferably, a metal pointer capable of rotating relative to the screw rod is arranged on the side surface of the screw rod, which is positioned in the protective sleeve.

The invention also provides a quantitative packing scale blanking box, which comprises: the blanking box comprises a blanking box body and a blanking amount adjusting mechanism, wherein a jack for inserting the blanking plug board is arranged on the side face of the blanking box body, and the driving mechanism is fixed on the outer side of the blanking box body.

Through the technical scheme, the discharging quantity adjusting mechanism is applied to the discharging box and can quantitatively control the opening of the discharging channel, quantitative control is achieved, the discharging plugboard does not need to be knocked during operation, dust explosion caused by knocking is avoided, and safety is high.

Drawings

FIG. 1 is a schematic view of the front side view of a preferred embodiment of a quantitative package balance blanking box;

fig. 2 is a schematic view of the rear leg structure of a preferred embodiment of the weigh scale blanking box.

Description of the reference numerals

1-blanking box; 2-a housing; 3-a screw rod; 4-supporting frames; 5-protecting the sleeve; 6-a bar-shaped groove; 7-a hand wheel rocking handle; 8-expansion board; 9-blanking plugboards; 10-a screw flange; 11-metal pointer; 12-screw rod lifter.

Detailed Description

The following describes specific embodiments of the present invention in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the invention, are not intended to limit the invention.

In the present invention, unless otherwise indicated, terms such as "upper, lower, left, right, front, rear, and inner and outer" and the like are used merely to denote the orientation of the term in a conventional use state or are commonly understood by those skilled in the art, and should not be construed as limiting the term.

Referring to the blanking amount adjusting mechanism shown in fig. 1-2, the blanking amount adjusting mechanism includes: the blanking plug board 9, the driving mechanism and the expansion board 8, the expansion board 8 is fixedly connected to the end part of the blanking plug board 9, and the driving mechanism is connected with the expansion board 8 to drive the blanking plug board 9 to linearly reciprocate along the plane where the driving mechanism is located.

Through the implementation of the technical scheme, the blanking amount adjusting mechanism is applied to the blanking box, the opening of the blanking channel can be quantitatively controlled, quantitative control is achieved, the blanking plugboard 9 does not need to be knocked during operation, dust explosion caused by knocking cannot occur, and the safety is high.

In this embodiment, in order to further provide a driving mechanism, the screw lifter 12 is used to obtain a better blanking effect. Of course, the screw rod lifter 12 can also be replaced by a linear stepping motor, and is connected with the control system through the linear stepping motor, so that automatic control is realized according to the weight (and the flow rate) collected by the weighing system, and the opening of the blanking plugboard 9 is automatically controlled.

In this embodiment, in order to further provide a screw lifter 12, the screw lifter 12 includes: the device comprises a shell 2, a screw rod 3 and a driving shaft, wherein the screw rod 3 penetrates through the shell 2; the screw rod 3 is connected with the expansion plate 8 through a screw rod flange 10, and the driving shaft is meshed with the screw rod 3 through a gear. The screw rod 3 is driven to do linear rotation motion through the rotation of the driving shaft, and then the blanking plugboard 9 is driven to move.

In this embodiment, in order to further provide a driving manner of the driving shaft, an end portion of the driving shaft protrudes to the outside of the housing 2 and is connected with a driving member.

In this embodiment, the driving member may be manual or electric, and the driving member is a hand wheel rocking handle 7 or a gear motor. The gear motor can be arranged on the side surface of the blanking box through the frame body.

In this embodiment, in order to further provide mounting stability of the housing 2, a support frame 4 is provided at the bottom of the housing 2, and a through hole for the screw 3 to pass through is provided on the support frame 4.

In this embodiment, in order to further improve the operation safety, a protective sleeve 5 is disposed at the bottom end of the supporting frame 4, and the screw rod 3 can be positioned in the protective sleeve 5 to be telescopic. The screw rod 3 is protected by a protective sleeve 5.

In this embodiment, in order to further achieve readability of the screw displacement, the side face of the protective sleeve 5 is provided with a bar-shaped groove 6, and one side of the bar-shaped groove 6 is provided with a scale. The length of the strip-shaped groove 6 is 300-400mm, and the width is 2-4mm.

In this embodiment, in order to further facilitate the reading of the scale, the side of the screw rod 3 located inside the protective sleeve 5 is provided with a metal pointer 11 capable of rotating with respect to the screw rod 3.

The structure of the metal pointer 11 may further include: the rotary ring is provided with a rotary groove corresponding to the rotary ring on the screw rod 3, an indicating needle extending into the strip-shaped groove 6 for sliding is arranged on the outer side of the rotary ring, and after the screw rod 3 moves, the rotary ring rotates in the rotary groove, and meanwhile the indicating needle slides in the strip-shaped groove 6 for reading.

The end of the screw rod 3 may be provided with a pin shaft capable of axially rotating, and the metal pointer 11 may be connected to the side surface of the pin shaft, so that the screw rod 3 rotates the metal pointer 11 without rotating and can slide in the bar-shaped groove 6.

In addition, the invention also provides a quantitative packing scale blanking box, which comprises: the blanking box comprises a blanking box body 1 and a blanking amount adjusting mechanism, wherein a socket for inserting the blanking plug board 9 is formed in the side face of the blanking box body 1, and the driving mechanism is fixed to the outer side of the blanking box body 1.

Through the implementation of the technical scheme, the quantitative blanking of the blanking box is realized, meanwhile, the blanking plug board 9 does not need to be knocked in the blanking process, the condition of dust explosion caused by knocking can not occur, and the safety is high.

In actual assembly, as shown in fig. 1, one end of the blanking plugboard 9, which is close to the blanking box body 1, is arranged in a downward inclined mode, so that blanking is facilitated, and accumulation and blockage of materials can be avoided. The socket is provided with the fixed plate in the position, is provided with the sealing port that corresponds with the socket on the fixed plate, and sealing rubber can be inlayed to the periphery of sealing port, plays certain sealed effect, avoids the material to leak. In one embodiment, the seal is 260 x 8mm in size.

In the invention, the fixing plate, the support frame 4 and the screw rod lifter 12 are connected by adopting screws, and the combined whole of the fixing plate, the support frame 4 and the screw rod lifter 12 is welded with the blanking box body 1, so that the whole strength can be enhanced.

The invention solves the problem that the blanking amount cannot be quantized, eliminates the hidden danger of dust explosion caused by metal knocking, reduces the working strength of operators, improves the production efficiency and the working efficiency, and ensures the metering precision.

The quantitative packing scale is suitable for quantitative packing scales with blanking boxes in industries such as petrochemical industry, medicine, food, feed packing and the like, and has the advantages of simple structure, convenience in installation, accurate blanking adjustment, convenience in operation, high safety and the like.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the scope of the technical concept of the present invention, and all the simple modifications belong to the protection scope of the present invention.

In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.

Moreover, any combination of the various embodiments of the invention can be made without departing from the spirit of the invention, which should also be considered as disclosed herein.

Claims

1. The utility model provides a unloading volume guiding mechanism which characterized in that, unloading volume guiding mechanism includes: unloading picture peg (9), actuating mechanism and extension board (8), extension board (8) rigid coupling in the tip of unloading picture peg (9), actuating mechanism with extension board (8) are connected in order to drive unloading picture peg (9) are straight reciprocating motion along its place plane.

2. The blanking amount adjusting mechanism according to claim 1, characterized in that the driving mechanism is a screw lifter (12).

3. The blanking amount adjusting mechanism according to claim 2, characterized in that the screw lifter (12) includes: the device comprises a shell (2), a screw rod (3) and a driving shaft, wherein the screw rod (3) penetrates through the shell (2);

the screw rod (3) is connected with the expansion plate (8) through a screw rod flange (10), and the driving shaft is meshed with the screw rod (3) through a gear.

4. A blanking amount adjusting mechanism according to claim 3, characterized in that the end of the drive shaft extends outside the housing (2) and is connected with a driving member.

5. The blanking amount adjusting mechanism according to claim 4, wherein the driving member is a hand wheel rocking handle (7) or a gear motor.

6. A blanking amount adjusting mechanism according to claim 3, characterized in that a supporting frame (4) is arranged at the bottom of the shell (2), and a through hole for the screw rod (3) to pass through is arranged on the supporting frame (4).

7. The blanking amount adjusting mechanism according to claim 6, wherein a protective sleeve (5) is arranged at the bottom end of the supporting frame (4), and the screw rod (3) can be positioned in the protective sleeve (5) to stretch and retract.

8. The blanking amount adjusting mechanism according to claim 7, characterized in that a bar-shaped groove (6) is provided on a side surface of the protective sleeve (5), and a scale is provided on one side of the bar-shaped groove (6).

9. The blanking amount adjusting mechanism according to claim 8, characterized in that a side surface of the screw rod (3) located in the protective sleeve (5) is provided with a metal pointer (11) capable of rotating relative to the screw rod (3).

10. A quantitative packing scale blanking box, characterized in that, quantitative packing scale blanking box includes: the blanking box (1) and the blanking amount adjusting mechanism according to any one of claims 1-9, wherein a socket for inserting the blanking plug board (9) is arranged on the side face of the blanking box (1), and the driving mechanism is fixed on the outer side of the blanking box (1).