Scraper mechanism of centrifugal machine

Abstract

A scraper mechanism of a centrifugal machine is characterized by comprising a mounting block, a scraper, an adjusting knob, a two-way lead screw, an adjusting rod, an inserting block, a limiting assembly, a connecting block and a connecting plate, the scraper is inserted into a connecting groove formed in the mounting block, and the two-way lead screw is mounted in the mounting groove formed in the mounting block through a bearing; one end of the two-way lead screw penetrates through the mounting block and extends out to be connected with an adjusting button, the two ends of the two-way lead screw are in threaded connection with adjusting rods correspondingly, the upper ends of the adjusting rods are fixedly connected with inserting blocks, a limiting assembly is mounted on the outer side wall of the mounting block, and the rear side face of the mounting block is connected with a connecting block; according to the scraper fixing device, the scraper is installed and fixed through the adjusting knob and the two-way lead screw, the installation firmness is improved through the limiting mechanism, the overall structure is simple, and installation and disassembly are very convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of scraper equipment of a centrifuge, in particular to a scraper mechanism of a centrifuge. Background Art

[0002] A centrifuge is a machine that uses centrifugal force to separate liquids from solid particles or components in a mixture of liquids and liquids. Centrifuges are mainly used to separate solid particles from liquids in suspensions, or to separate two immiscible liquids of different densities in emulsions. Special ultra-speed tubular separators can also separate gas mixtures of different densities. Some sedimentation centrifuges can also classify solid particles by density or size, taking advantage of the fact that solid particles of different densities or particle sizes have different sedimentation speeds in liquids.

[0003] The surface of the centrifuge drum is prone to sticking residual materials. If the sticky materials are not cleaned in time, it will affect the use effect of the centrifuge. Usually, a scraper device is used for cleaning. In the prior art, the utility model with patent number CN216573626U proposes a centrifuge scraper device, including a mounting shell, a mounting port and an adjustment chamber opened on the mounting shell, the mounting port is connected to the adjustment chamber, and a scraper is arranged on the front side of the mounting shell. A plurality of brushes are fixedly connected to the scraper, one end of the scraper is plugged into the inside of the mounting port, and an adjustment component is arranged inside the adjustment chamber. The adjustment component is used to install the scraper, and the rear end of the mounting shell is fixedly installed with a connecting plate through the adjustment component. The centrifuge scraper device, by setting a fixed component, when the scraper needs to be installed, the rear end of the scraper is inserted into the slot, and then the rotating block is rotated to drive the threaded rod to rotate, and the threaded rod drives the insert to move, so that one end of the insert is inserted into the slot, so as to realize the quick installation of the scraper. When it needs to be disassembled, it takes a short time and is convenient to clean the stains on the scraper.

[0004] However, in the prior art, only one side of the scraper is limited and fixed, and the scraper has poor stability and is not firm during operation. Therefore, it is necessary to design a scraper mechanism for a centrifuge that is easy to disassemble and firm. Utility Model Content

[0005] In view of the above technical problems, the utility model provides a scraper mechanism of a centrifuge, characterized in that it includes a mounting block, a scraper, an adjusting button, a bidirectional screw, an adjusting rod, an insert block, a limit assembly, a connecting block, and a connecting plate. The scraper is inserted into the connecting groove arranged on the mounting block, and a bidirectional screw is installed in the mounting groove arranged in the mounting block through a bearing. One end of the bidirectional screw passes through the mounting block and extends out to be connected with the adjusting button. The two ends of the bidirectional screw are respectively threadedly connected to the adjusting rod. The upper end of the adjusting rod is fixedly connected to the insert block. The limit assembly is installed on the outer side wall of the mounting block. The rear side surface of the mounting block is connected to the connecting block, and a connecting plate is provided on the top surface of the connecting block.

[0006] The limit assembly is composed of a fixing block, a limit bolt and a nut. The fixing block is fixedly connected to the outer wall of the mounting block. The threaded hole provided on the fixing block is threadedly connected to the limit bolt. The top end of the limit bolt is connected to the nut. The lower end of the limit bolt is inserted into the limit hole provided on the adjusting button.

[0007] Slots are respectively arranged on both sides of the scraper, and the slots are adapted to the inserting blocks.

[0008] Specifically, a through hole is provided on the wall of the connecting groove of the mounting block.

[0009] Specifically, a plurality of brushes are arranged at intervals on the scraper.

[0010] Specifically, a mounting limit column is arranged in the mounting groove of the mounting block, and the two adjusting rods are both sleeve-connected with the limit column.

[0011] Specifically, positioning holes are provided at the four corners of the connecting plate, and locking members are installed in the positioning holes to fix the connecting plate and the external driving member.

[0012] Beneficial effects of the utility model:

[0013] The utility model inserts the scraper into the connecting groove provided on the mounting block, rotates the adjusting knob to control the rotation of the bidirectional screw rod, and the adjusting rods threadedly connected on both sides of the bidirectional screw rod move axially, and the inserting blocks on both sides pass through the through holes on the connecting groove wall of the mounting block and extend out to be inserted into the slot provided on the scraper, and both sides of the scraper are limited and fixed, and then the nut is rotated by a tool to control the limiting bolt to move down into the limiting hole of the adjusting knob, so as to complete the limiting of the adjusting knob, prevent the adjusting knob from rotating, and enhance the firmness of the scraper installation;

[0014] The utility model realizes the installation and fixation of the scraper through the adjusting button and the bidirectional screw rod, and increases the installation firmness through the limiting mechanism. The overall structure is simple and the installation and disassembly are very convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a scraper mechanism of a centrifuge according to the utility model;

[0016] Figure 2 It is an exploded schematic diagram of the overall structure of a scraper mechanism of a centrifuge of the utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of a mounting block of a scraper mechanism of a centrifuge according to the utility model;

[0018] As shown in the figure: 1. Scraper, 11. Brush, 12. Slot, 2. Mounting block, 21. Connecting slot, 22. Through hole, 23. Mounting slot, 3. Adjusting button, 31. Limiting hole, 4. Bidirectional screw, 5. Adjusting rod, 51. Limiting column, 6. Insert block, 71. Fixing block, 711. Threaded hole, 72. Limiting bolt, 73. Nut, 8. Connecting block, 9. Connecting plate, 91. Positioning hole. DETAILED DESCRIPTION

[0019] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. In addition, the technical features involved in the different embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0022] Example 1

[0023] As shown in the figure, the scraper 1 is inserted into the connecting groove 21 provided on the mounting block 2, and the bidirectional screw rod 4 is installed in the mounting groove 23 provided in the mounting block 2 through a bearing. One end of the bidirectional screw rod 4 passes through the wall of the mounting block 2 and extends out to be connected with the adjusting button 3. The two ends of the bidirectional screw rod 4 are respectively threadedly connected with the adjusting rod 5, and the threads provided at the two ends of the bidirectional screw rod 4 are in opposite directions. The lower ends of the two adjusting rods 5 are sleeved and connected with the limit columns 51 installed in the mounting groove 23, and the upper end of the adjusting rod 5 is fixedly connected with the plug block 6. The two plug blocks 6 are adapted to the slots 12 provided on both sides of the scraper 1, and the plug block 6 passes through the through hole 22 provided on the groove wall of the connecting groove 21 of the mounting block 2 and is inserted into the slot 12, and the scraper 1 is installed on the mounting block 2.

[0024] A fixing block 71 is installed on the outer wall of the mounting block above the position of the adjusting button 3. A threaded hole 711 provided on the fixing block 71 is threadedly connected to a limiting bolt 72. The top end of the limiting bolt 72 is connected to a nut 73. The lower end of the limiting bolt 72 is inserted into the limiting hole 31 provided on the adjusting button 3.

[0025] A plurality of brushes 11 are arranged at intervals on the scraper 1, and the scraper 1 and the brushes 11 are used to scrape the residual material on the drum to facilitate material discharge.

[0026] The rear side surface of the mounting block 2 is connected to the connecting block 8. A connecting plate 9 is provided on the top surface of the connecting block 8. Positioning holes 91 are provided at the four corners of the connecting plate 9. By installing locking members in the positioning holes 91, the connecting plate is fixedly mounted to the external driving member.

[0027] Example 2

[0028] When using the scraper mechanism of the centrifuge of the present application, when the scraper 1 needs to be installed, the scraper 1 is inserted into the connecting groove 21 provided on the mounting block 2, the adjusting button 3 is turned to control the rotation of the bidirectional screw 4, and the adjusting rods 5 threadedly connected on both sides of the bidirectional screw 4 move axially, and the insert blocks 6 on both sides pass through the through holes 23 on the groove wall of the connecting groove 21 of the mounting block and extend out to be inserted into the slots 12 provided on the scraper 1, and both sides of the scraper 1 are limited and fixed to achieve rapid installation of the scraper 2. After each limited and fixed installation of the scraper 1, the limiting holes 31 provided on the adjusting button 3 are aligned with the limiting bolts 72, and then the nut 73 is turned to control the limiting bolts 72 to move down into the limiting holes 31 of the adjusting button 3, completing the limiting of the adjusting button 3, preventing the adjusting button 3 from rotating, and enhancing the firmness of the installation of the scraper 1;

[0029] When disassembly is required, the nut 73 is turned to move the limiting bolt 72 upward and out of the limiting hole 31 of the adjusting button 3. The adjusting button 3 is then turned to control the insertion block 6 inserted in the slot 12 of the scraper 1 to move in opposite directions and out of the slot 12. Disassembly is also very convenient.

[0030] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of various parts adopt the conventional means such as mature rivets and welding in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The various components mentioned in the utility model are common technologies in the existing field. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A scraper mechanism for a centrifuge, characterized in that It includes a mounting block, a scraper, an adjusting button, a bidirectional screw, an adjusting rod, an insert block, a limit assembly, a connecting block, and a connecting plate. The scraper is inserted into the connecting groove provided on the mounting block, and the bidirectional screw is installed in the mounting groove provided in the mounting block through a bearing. One end of the bidirectional screw passes through the mounting block and extends out to be connected with the adjusting button. The two ends of the bidirectional screw are respectively threadedly connected to the adjusting rod, the upper end of the adjusting rod is fixedly connected to the insert block, the limit assembly is installed on the outer side wall of the mounting block, the rear side surface of the mounting block is connected to the connecting block, and a connecting plate is provided on the top surface of the connecting block.

2. The scraper mechanism of a centrifuge according to claim 1, characterized in that The limiting assembly consists of a fixing block, a limiting bolt and a nut. The fixing block is fixedly connected to the outer wall of the mounting block. The limiting bolt is threadedly connected to the threaded hole set on the fixing block. The top end of the limiting bolt is connected to the nut, and the lower end of the limiting bolt extends into and is inserted into the limiting hole set on the adjusting button.

3. The scraper mechanism of a centrifuge according to claim 1, characterized in that Slots are respectively arranged on both sides of the scraper, and the slots are adapted to the inserting blocks.

4. The scraper mechanism of a centrifuge according to claim 1, characterized in that A through hole is arranged on the wall of the connection groove of the mounting block.

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