Discharging machine sealing mechanism for weightlessness scale

Abstract

The utility model relates to the technical field of discharging machines, in particular to a discharging machine sealing mechanism for a weightlessness scale, which comprises a main body, a screw rod arranged inside the main body, a sealing connecting sleeve arranged outside the screw rod, a first anti-falling block arranged inside the sealing connecting sleeve, a second anti-falling block arranged outside a driving motor shaft, and a fixing plate arranged outside the driving motor shaft. A connecting block is arranged at the top end of the main body, a fixing block is arranged at the top end of the connecting block, a rotating motor is arranged in the operation box, the rotating motor is connected with a rotating motor shaft, and a plurality of partition plates for partition are arranged outside the rotating motor shaft; and sealing sleeves are symmetrically arranged outside a rotating motor shaft, and by means of the structures of an open groove, a ball, an L-shaped sealing plate, a connecting block, a rotating motor, the rotating motor shaft and a partition plate, the problem that in the working process of a common discharging machine, materials enter a cavity where the motor is located from a gap of a screw, and then the mechanical structure is damaged is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of discharging machines, in particular to a sealing mechanism for a discharging machine used in a loss-in-weight scale. Background Art

[0002] Loss-in-weight scale is a weighing device with intermittent feeding and continuous discharging. Since the loss-in-weight control is carried out in the hopper, it can achieve higher control accuracy and the structure is easy to seal, so it is a great improvement in powder control compared with the use of spiral scales. It is suitable for controlling the batching of fine materials such as cement, lime powder, and coal powder. A discharging machine is installed at the lower end of the loss-in-weight scale to discharge the material. The discharging machine is generally a spiral discharging machine, and the screw is rotatably supported on the mechanical box to output the material through the rotation of the screw.

[0003] During the operation of a general discharging machine, the material will enter the chamber where the motor is located through the gap in the screw, thereby destroying the mechanical structure. At the same time, the weightlessness and the discharging machine are easily stuck, making it difficult to repair.

[0004] Therefore, it is particularly important to design a sealing mechanism for a discharging machine of a loss-in-weight scale to change the above-mentioned technical defects and improve the overall practicality. Utility Model Content

[0005] The purpose of the utility model is to provide a sealing mechanism for a discharging machine of a loss-in-weight scale to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A sealing mechanism for a discharging machine for a loss-in-weight scale comprises a main body, a spiral rod is arranged inside the main body, a sealing connection sleeve is arranged outside the spiral rod, a first anti-slipping block is arranged inside the sealing connection sleeve, a driving motor shaft is arranged inside the sealing connection sleeve, a second anti-slipping block is arranged outside the driving motor shaft, a fixing plate is arranged outside the sealing connection sleeve, a groove is arranged near the center of the fixing plate, a plurality of balls are arranged inside the groove, an L-shaped sealing plate is arranged outside the sealing connection sleeve, a connecting block is arranged at the top of the main body, a fixing block is arranged at the top of the connecting block, a loss-in-weight scale is arranged at the top of the fixing block, an operating box is arranged at the top of the main body, a rotating motor is arranged inside the operating box, the rotating motor is connected to the rotating motor shaft, a plurality of dividing plates for dividing are arranged outside the rotating motor shaft, and sealing sleeves are symmetrically arranged outside the rotating motor shaft.

[0008] As a preferred solution of the utility model, the drive motor shaft is connected to the drive motor, a slot is provided on the first anti-slip block, and the first anti-slip block and the spiral rod are embedded in each other.

[0009] As a preferred solution of the utility model, the sealing connection sleeve and the spiral rod are reinforced by bolts, a sealing ring is provided on the side of the L-shaped sealing plate close to the spiral rod, the sealing ring covers the bolts, and a rotating groove for matching with the ball is provided on the outside of the sealing connection sleeve.

[0010] As a preferred solution of the utility model, a fixing plate is provided on one side of the connecting block close to the fixing block, the connecting block and the fixing block are embedded in each other, the connecting block and the fixing block are fixed in position by bolts, and the fixing block and the weight loss scale are fixedly connected. As a preferred solution of the utility model, the sealing sleeve is a rubber ring, a connecting ring is provided inside the sealing sleeve, a plurality of slots are provided on the connecting ring, and the connecting ring and the sealing sleeve are snap-fitted in each other.

[0011] As a preferred solution of the utility model, one end of the rotating motor shaft is connected to the connecting block via a bearing seat, a plurality of the dividing plates are arranged at equal intervals, one end of the main body is provided with a discharge port, and a solenoid valve is provided outside the discharge port.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, a sealing mechanism for a discharging machine for a loss-in-weight scale is provided, and a structure of an anti-slipping block, a fixing plate, a slot, a ball bearing, an L-shaped sealing plate, a connecting fastener, a rotating motor, a rotating motor shaft, a dividing plate, and a sealing sleeve is used. Two anti-slipping blocks are provided to prevent the screw rod from falling off from the driving motor, and then the cooperation between the L-shaped sealing plate and the sealing connecting sleeve is used to place the raw materials into the chamber where the driving motor is located, and then the dividing plate is used to divide the raw materials, and at the same time, the sealing sleeve is used to protect the operating box and the fixing block, thereby solving the problem that during the operation of a general discharging machine, the material will enter the chamber where the motor is located from the gap of the screw, thereby destroying the mechanical structure, and at the same time, the problem that the loss-in-weight and the discharging machine are easily stuck and difficult to repair is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a planar structural diagram of the utility model as a whole;

[0015] Figure 2 It is a schematic diagram of the plane of the sealing connection sleeve assembly of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the plane of the partition plate assembly of the utility model.

[0017] In the figure: 1. main body; 101. spiral rod; 2. sealing connecting sleeve; 201. first anti-slip block; 202. drive motor shaft; 203. second anti-slip block; 204. fixing plate; 205. slot; 206. ball; 207. L-shaped sealing plate; 3. connecting block; 301. fixing block; 302. loss-in-weight scale; 303. operating box; 304. rotating motor; 305. rotating motor shaft; 306. dividing plate; 307. sealing sleeve. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0019] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively with reference to the relevant drawings below. Several embodiments of the utility model are given. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0020] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0022] For examples, see Figure 1-3 , the utility model provides a technical solution:

[0023] A sealing mechanism for a discharging machine for a loss-in-weight scale comprises a main body 1, a spiral rod 101 is arranged inside the main body 1, a sealing connection sleeve 2 is arranged outside the spiral rod 101, a first anti-slipping block 201 is arranged inside the sealing connection sleeve 2, a driving motor shaft 202 is arranged inside the sealing connection sleeve 2, a second anti-slipping block 203 is arranged outside the driving motor shaft 202, a fixing plate 204 is arranged outside the sealing connection sleeve 2, a groove 205 is arranged near the center of the fixing plate 204, a plurality of balls 206 are arranged inside the groove 205, an L-shaped sealing plate 207 is arranged outside the sealing connection sleeve 2, a connecting block 3 is arranged at the top of the main body 1, a fixing block 301 is arranged at the top of the connecting block 3, a loss-in-weight scale 302 is arranged at the top of the fixing block 301, an operating box 303 is arranged at the top of the main body 1, a rotating motor 304 is arranged inside the operating box 303, a rotating motor shaft 305 connected to the rotating motor 304 is connected to the rotating motor shaft 305, and a plurality of dividing plates for dividing are arranged outside the rotating motor shaft 305 306, the outside of the rotating motor shaft 305 is symmetrically provided with a sealing sleeve 307, by aligning the fixing block 301 with the connecting block 3, and then connecting and installing the weight loss scale 302 and the main body 1 with bolts, and then starting the weight loss scale 302 to work and starting the rotating motor 304 to drive the dividing plate 306 to work to divide the raw materials, so as to avoid a large amount of raw materials being accumulated and stuck at the connection between the main body 1 and the weight loss scale 302. When the dividing plate 306 is working, the sealing sleeve 307 is used to block the raw materials to prevent the raw materials from entering the interior of the connecting block 3. At the same time, the raw materials enter the interior of the main body 1, and at this time, the driving motor shaft 202 is started to drive the screw rod 101 to rotate and transport the raw materials into the discharge port, and at the same time, the solenoid valve is started to facilitate the unblocking of the raw materials. When the raw materials enter the main body 1 and the screw rod 101 rotates, the raw materials will not enter the chamber where the driving motor shaft 202 is located due to the blocking of the L-shaped sealing plate 207, and the two anti-falling blocks are set to prevent the connection from falling off;

[0024] The driving motor shaft 202 is connected to the driving motor, a slot is provided on the first anti-slip block 201, and an embedded connection is formed between the first anti-slip block 201 and the screw rod 101, which is convenient for driving the screw rod 101 to rotate and transport raw materials. The sealing connection sleeve 2 and the screw rod 101 are reinforced by bolts, and a sealing ring is provided on the side of the L-shaped sealing plate 207 close to the screw rod 101, and the sealing ring covers the bolts. The outside of the sealing connection sleeve 2 is provided with a rotation groove for matching with the ball 206, which is convenient for assisting the rotation of the screw rod 101. A fixing plate is provided on the side of the connecting block 3 close to the fixing block 301, and an embedded connection is formed between the connecting block 3 and the fixing block 301. The connection block 3 and the fixed block 301 are fixed in position by bolts, and the fixed block 301 and the loss-in-weight scale 302 are fixedly connected, which is convenient for maintenance when the main body 1 and the loss-in-weight scale 302 are stuck. The sealing sleeve 307 is a rubber ring, and a connecting ring is provided inside the sealing sleeve 307. The connecting ring is provided with a plurality of slots. The connecting ring and the sealing sleeve 307 are snap-fitted to prevent the raw materials from entering the interior of the operating box. One end of the rotating motor shaft 305 is connected to the connecting block 3 through a bearing seat, and a plurality of dividing plates 306 are arranged at equal intervals. A discharge port is provided at one end of the main body 1, and a solenoid valve is provided outside the discharge port to facilitate the transportation of raw materials.

[0025] The working process of the utility model: when using the sealing mechanism of the discharge machine for the loss-in-weight scale, first align the fixed block 301 with the connecting block 3, then use bolts to connect and install the loss-in-weight scale 302 and the main body 1, then start the loss-in-weight scale 302 to work and start the rotating motor 304 to drive the dividing plate 306 to work to divide the raw materials, so as to avoid the large amount of raw materials accumulated and stuck at the connection between the main body 1 and the loss-in-weight scale 302. When the dividing plate 306 is working, the sealing sleeve 307 is used to block the raw materials to prevent the raw materials from entering the interior of the connecting block 3. At the same time, the raw materials enter the interior of the main body 1. At this time, the driving motor shaft 202 is started to drive the spiral rod 101 to rotate and transport the raw materials into the discharge port. At the same time, the solenoid valve is started to facilitate the unblocking of the raw materials. When the raw materials enter the main body 1 and the spiral rod 101 rotates, the raw materials will not enter the chamber where the driving motor shaft 202 is located due to the blocking of the L-shaped sealing plate 207. At the same time, the two anti-falling blocks are set to prevent the connection from falling off.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sealing mechanism for a discharging machine of a loss-in-weight scale, comprising a main body (1), characterized in that: A spiral rod (101) is provided inside the main body (1), a sealing connection sleeve (2) is provided outside the spiral rod (101), a first anti-slip block (201) is provided inside the sealing connection sleeve (2), a driving motor shaft (202) is provided inside the sealing connection sleeve (2), a second anti-slip block (203) is provided outside the driving motor shaft (202), a fixing plate (204) is provided outside the sealing connection sleeve (2), a groove (205) is provided near the center of the fixing plate (204), a plurality of balls (206) are provided inside the groove (205), and the sealing connection sleeve (2) is provided outside the sealing connection sleeve (2). The main body (1) is provided with an L-shaped sealing plate (207), the top of the main body (1) is provided with a connecting block (3), the top of the connecting block (3) is provided with a fixing block (301), the top of the fixing block (301) is provided with a weight loss scale (302), the top of the main body (1) is provided with an operation box (303), the inside of the operation box (303) is provided with a rotating motor (304), the rotating motor (304) is connected to a rotating motor shaft (305), the outside of the rotating motor shaft (305) is provided with a plurality of dividing plates (306) for dividing, and the outside of the rotating motor shaft (305) is symmetrically provided with sealing sleeves (307).

2. The sealing mechanism of a discharging machine for a loss-in-weight scale according to claim 1, characterized in that: The drive motor shaft (202) is connected to the drive motor, a slot is provided on the first anti-slip block (201), and the first anti-slip block (201) and the spiral rod (101) are in an embedded connection.

3. The sealing mechanism of a discharging machine for a loss-in-weight scale according to claim 1, characterized in that: The sealing connection sleeve (2) and the spiral rod (101) are reinforced by bolts, a sealing ring is provided on the side of the L-shaped sealing plate (207) close to the spiral rod (101), the sealing ring covers the bolts, and a rotation groove for matching with the ball (206) is provided on the outside of the sealing connection sleeve (2).

4. The sealing mechanism of a discharging machine for a loss-in-weight scale according to claim 1, characterized in that: A fixing plate is provided on a side of the connecting block (3) close to the fixing block (301); the connecting block (3) and the fixing block (301) are embeddedly connected; the connecting block (3) and the fixing block (301) are fixed in position by bolts; and the fixing block (301) and the loss-in-weight scale (302) are fixedly connected.

5. The sealing mechanism of a discharging machine for a loss-in-weight scale according to claim 1, characterized in that: The sealing sleeve (307) is a rubber ring. A connecting ring is provided inside the sealing sleeve (307). A plurality of slots are provided on the connecting ring. The connecting ring and the sealing sleeve (307) are connected by snap-fitting.

6. The sealing mechanism of a discharging machine for a loss-in-weight scale according to claim 1, characterized in that: One end of the rotating motor shaft (305) is connected to the connecting block (3) via a bearing seat, a plurality of the dividing plates (306) are arranged at equal intervals, and a discharge port is provided at one end of the main body (1), and a solenoid valve is provided outside the discharge port.

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