CN216524346U

CN216524346U - Weighing device based on gas generator principle

Info

Publication number: CN216524346U
Application number: CN202123166087.4U
Authority: CN
Inventors: 蔡卫民; 王猛; 郭文; 任重
Original assignee: Suzhou Linktron Systems Co ltd
Current assignee: Suzhou Linktron Systems Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-05-13
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses a weighing device based on a gas generator principle, which comprises a base, wherein a placing plate is arranged above the base, a material discharging groove is formed in the outer wall of the top of the placing plate, positioning grooves are formed in the upper part of the placing plate, the inner walls of two opposite sides of the positioning grooves are rotatably connected with a same connecting shaft through rotating shafts, the connecting shafts are symmetrically distributed, fixing rods are fixedly connected to the outer wall of each connecting shaft and are matched with the positioning grooves, a gear is fixedly connected to the outer wall of each connecting shaft, the gear is arranged in the center of the connecting shaft, a motor is arranged on the outer wall of one side of the placing plate, and a bidirectional screw is fixedly connected to one end of an output shaft of the motor. According to the utility model, the fixed rod is arranged, the two racks are enabled to do relative motion by utilizing the bidirectional screw rod, the racks drive the gear to rotate, and the gear enables the fixed rod to be pressed downwards through the connecting shaft, so that a limiting effect is achieved on materials, and the accuracy of the obtained numerical value is further ensured.

Description

Weighing device based on gas generator principle

Technical Field

The utility model relates to the technical field of weighing, in particular to a weighing device based on a gas generator principle.

Background

The electronic balance is composed of three parts of load-bearing system (such as scale pan and scale body), force-transferring system (such as lever force-transferring system and sensor) and indicating system (such as dial and electronic display instrument) 3, and can be divided into mechanical scale, electronic scale and electromechanical combination scale according to the structure principle. The digital signal converted into the signal is output to CPU for operation control, and the CPU outputs the result to the display according to the keyboard command and program until the result is displayed.

However, in the prior art, when a cylindrical material is weighed, the cylindrical material rolls on an electronic scale, and the numerical value obtained after the material is weighed is very inaccurate.

SUMMERY OF THE UTILITY MODEL

The present invention aims to provide a weighing device based on the gas generator principle, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a weighing device based on a gas generator principle comprises a base, wherein a placing plate is arranged above the base, a discharging groove is arranged on the outer wall of the top of the placing plate, positioning grooves are arranged above the placing plate, the inner wall of one side, opposite to the two positioning grooves, of each positioning groove is rotatably connected with the same connecting shaft through a rotating shaft, the connecting shafts are symmetrically distributed, fixing rods are fixedly connected to the outer wall of each connecting shaft and are matched with the positioning grooves, gears are fixedly connected to the outer wall of each connecting shaft, the gears are arranged in the central positions of the connecting shafts, a motor is arranged on the outer wall of one side of the placing plate, a bidirectional screw rod is fixedly connected to one end of an output shaft of the motor, a rectangular channel is arranged on the outer wall of one side of the placing plate, one end of the bidirectional screw rod is connected with the inner wall of the rectangular channel through a bearing, the bidirectional screw rod is arranged inside the rectangular channel, the outer wall of the bidirectional screw rod is connected with two threaded sleeves through threads, the outer wall of each threaded sleeve is fixedly connected with a rack, the racks are meshed with the gears, the inner walls of the two sides of the rectangular channel are provided with sliding grooves, the outer walls of the two sides of the racks are fixedly connected with sliding blocks, the sliding blocks are in sliding fit with the sliding grooves, and a weighing mechanism is arranged below the placing plate.

Preferably, the weighing mechanism comprises a lifting cylinder, the lifting cylinder is fixedly connected with the base, and one end of a piston rod of the lifting cylinder is fixedly connected with an electronic scale.

Preferably, the outer wall of both sides of electronic scale is equal fixedly connected with sliding sleeve, the sliding sleeve is the symmetric distribution, the slide bar has been cup jointed to the inner wall of sliding sleeve, the one end and the base fixed connection of slide bar.

Preferably, the outer wall of the sliding rod is fixedly connected with a limiting sleeve, the outer wall of the top of the placing plate is provided with a first hole, the first hole is sleeved with the sliding rod, and the outer wall of the bottom of the placing plate is in contact with the limiting sleeve.

Preferably, the other end of the sliding rod is connected with a protective sleeve through threads.

Preferably, the outer wall of the motor is provided with a fixed block, and the fixed block is fixedly connected with the placing plate.

Preferably, the outer wall of the fixing rod is provided with limiting sponges, and the limiting sponges are symmetrically distributed.

Preferably, the outer wall of the fixing rod is sleeved with an anti-slip sleeve.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the fixed rod is arranged, the two racks are enabled to move relatively along the outer wall of the screw rod by utilizing the bidirectional screw rod, the gear is driven to rotate by the racks, the fixed rod is pressed downwards by the gear through the connecting shaft, the limiting effect on materials is achieved, and the accuracy of the obtained numerical value is further ensured;

2. according to the utility model, the weighing mechanism is arranged, the weighing mechanism is used for weighing, the lifting air cylinder is used for driving the electronic scale to ascend, the electronic scale slightly jacks up the placing plate, the obtained numerical value is subtracted from the mass of the placing plate and the tool on the placing plate, so that the mass of the material is obtained, and the numerical value is more accurate.

Drawings

FIG. 1 is a schematic diagram of the overall structure proposed by the present invention;

FIG. 2 is a schematic diagram of a fixing rod structure according to the present invention;

fig. 3 is an enlarged schematic view of the point a according to the present invention.

In the figure: 1. a base; 2. a slide bar; 3. a sliding sleeve; 4. a limiting sleeve; 5. placing the plate; 6. a protective sleeve; 7. a discharging groove; 8. positioning a groove; 9. an electronic scale; 10. a lifting cylinder; 11. a fixed block; 12. a motor; 13. a limiting sponge; 14. fixing the rod; 15. an anti-slip sleeve; 16. a gear; 17. a connecting shaft; 18. a rectangular channel; 19. a rack; 20. a chute; 21. a slider; 22. a bidirectional lead screw; 23. and (4) a threaded sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, in the embodiment of the utility model, a weighing device based on a gas generator principle comprises a base 1, a placing plate 5 is arranged above the base 1, a material discharge groove 7 is arranged on the outer wall of the top of the placing plate 5, positioning grooves 8 are arranged above the placing plate 5, the inner walls of two opposite sides of the two positioning grooves 8 are rotatably connected with a same connecting shaft 17 through rotating shafts, the connecting shafts 17 are symmetrically distributed, fixing rods 14 are fixedly connected to the outer wall of the connecting shaft 17, the fixing rods 14 are matched with the positioning grooves 8, a gear 16 is fixedly connected to the outer wall of the connecting shaft 17, the gear 16 is arranged in the center of the connecting shaft 17, a motor 12 is arranged on the outer wall of one side of the placing plate 5, a bidirectional screw 22 is fixedly connected to one end of an output shaft of the motor 12, a rectangular channel 18 is arranged on the outer wall of one side of the placing plate 5, one end of the bidirectional screw 22 is connected with the inner wall of the rectangular channel 18 through a bearing, two-way lead screw 22 sets up the inside at rectangular channel 18, two-way lead screw 22's outer wall has thread bush 23 through threaded connection, thread bush 23's quantity is two, thread bush 23's outer wall fixedly connected with rack 19, rack 19 meshes with gear 16 mutually, rectangular channel 18's both sides inner wall all is provided with spout 20, the equal fixedly connected with slider 21 of the both sides outer wall of rack 19, slider 21 forms sliding fit with spout 20, the below of placing board 5 is provided with weighing machine and constructs, utilize two-way lead screw 22 to make two rack 19 be relative motion along the outer wall of lead screw, it rotates to drive gear 16 through rack 19, gear 16 makes dead lever 14 push down through connecting axle 17, play spacing effect to the material, and then the guarantee obtains the accuracy of numerical value.

Further, the weighing mechanism includes lift cylinder 10, lift cylinder 10 and base 1 fixed connection, and lift cylinder 10's piston rod one end fixedly connected with electronic scale 9 utilizes the weighing mechanism to weigh the material.

Further, the equal fixedly connected with sliding sleeve 3 of both sides outer wall of electronic scale 9, sliding sleeve 3 are the symmetric distribution, and slide bar 2 has been cup jointed to sliding sleeve 3's inner wall, and slide bar 2's one end and base 1 fixed connection make electronic scale 9 can not incline at the in-process that goes up and down through sliding sleeve 3.

Further, the outer wall fixedly connected with stop collar 4 of slide bar 2, the top outer wall of placing board 5 offers porosely one, and hole one cup joints with slide bar 2 mutually, and the bottom outer wall of placing board 5 contacts with stop collar 4, utilizes stop collar 4 to play spacing effect to placing board 5.

Furthermore, the other end of the slide bar 2 is connected with a protective sleeve 6 through threads, and the protective sleeve 6 is used for facilitating replacement and maintenance of the placing plate 5.

Further, the outer wall of motor 12 is provided with fixed block 11, fixed block 11 with place board 5 fixed connection, utilize fixed block 11 to play fixed effect to motor 12.

Further, the outer wall of dead lever 14 is provided with spacing sponge 13, and spacing sponge 13 is the symmetric distribution, utilizes spacing sponge 13 to make dead lever 14 better to the spacing effect of material.

Further, the outer wall of the fixed rod 14 is sleeved with an anti-slip sleeve 15, and the friction force between the fixed rod 14 and the material is increased through the anti-slip sleeve 15.

The working principle of the utility model is as follows:

the cylindrical material is placed in the discharging groove 7, the motor 12 is used for driving the bidirectional screw rod 22 to rotate forwards, the bidirectional screw rod 22 drives the two racks 19 to move relatively through the threaded sleeve 23, the racks 19 drive the gear 16 to rotate, the gear 16 enables the fixed rod 14 to be pressed downwards through the connecting shaft 17, the material on the discharging groove 7 is limited, the material cannot roll in the weighing process, the electronic scale 9 is driven to ascend through the lifting cylinder 10, the electronic scale 9 cannot incline in the moving process under the action of the sliding rod 2 and the sliding sleeve 3, the electronic scale 9 can slightly jack up the placing plate 5, the mass of the placing plate 5 and the mass of the tool on the placing plate 5 are subtracted from the obtained numerical value, the material is the mass of the material, the motor 12 drives the bidirectional screw rod 22 to rotate backwards after the weighing is completed, and the fixed rod 14 relieves the limit of the material.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. A weighing device based on a gas generator principle comprises a base (1) and is characterized in that a placing plate (5) is arranged above the base (1), a material placing groove (7) is formed in the outer wall of the top of the placing plate (5), positioning grooves (8) are formed in the upper portion of the placing plate (5), the inner walls of two opposite sides of the positioning grooves (8) are rotatably connected with a same connecting shaft (17) through rotating shafts, the connecting shafts (17) are symmetrically distributed, fixing rods (14) are fixedly connected to the outer wall of the connecting shaft (17), the fixing rods (14) are matched with the positioning grooves (8), gears (16) are fixedly connected to the outer wall of the connecting shaft (17), the gears (16) are arranged in the central position of the connecting shaft (17), a motor (12) is arranged on the outer wall of one side of the placing plate (5), and a bidirectional lead screw (22) is fixedly connected to one end of an output shaft of the motor (12), the outer wall of one side of the placing plate (5) is provided with a rectangular channel (18), one end of a bidirectional lead screw (22) is connected with the inner wall of the rectangular channel (18) through a bearing, the bidirectional lead screw (22) is arranged inside the rectangular channel (18), the outer wall of the bidirectional lead screw (22) is connected with threaded sleeves (23) through threads, the number of the threaded sleeves (23) is two, the outer wall of each threaded sleeve (23) is fixedly connected with a rack (19), the racks (19) are meshed with gears (16), the inner walls of the two sides of the rectangular channel (18) are respectively provided with a sliding groove (20), the outer walls of the two sides of the racks (19) are respectively and fixedly connected with a sliding block (21), the sliding blocks (21) are in sliding fit with the sliding grooves (20), and a weighing mechanism is arranged below the placing plate (5).

2. The weighing device based on the gas generator principle as claimed in claim 1, wherein the weighing mechanism comprises a lifting cylinder (10), the lifting cylinder (10) is fixedly connected with the base (1), and one end of a piston rod of the lifting cylinder (10) is fixedly connected with an electronic scale (9).

3. The weighing device based on the gas generator principle as claimed in claim 2, wherein the outer walls of the two sides of the electronic scale (9) are both fixedly connected with sliding sleeves (3), the sliding sleeves (3) are symmetrically distributed, the inner walls of the sliding sleeves (3) are sleeved with sliding rods (2), and one ends of the sliding rods (2) are fixedly connected with the base (1).

4. The weighing device based on the gas generator principle as claimed in claim 3, wherein the outer wall of the sliding rod (2) is fixedly connected with a limiting sleeve (4), the outer wall of the top of the placing plate (5) is provided with a first hole, the first hole is sleeved with the sliding rod (2), and the outer wall of the bottom of the placing plate (5) is in contact with the limiting sleeve (4).

5. A weighing device according to claim 3, characterised in that the other end of the slide bar (2) is connected by a screw thread to a protective cover (6).

6. A weighing device based on the gas generator principle, according to claim 1, characterized in that the outer wall of the motor (12) is provided with a fixing block (11), said fixing block (11) being fixedly connected with the placing plate (5).

7. A weighing device based on the gas generator principle as claimed in claim 1, characterized in that the outer wall of the fixing rod (14) is provided with limiting sponges (13), the limiting sponges (13) being symmetrically distributed.

8. Weighing device according to claim 1, characterised in that the outer wall of the fixing rod (14) is fitted with an anti-slip cover (15).