Adjustable scraping device for grinding machine

Abstract

The utility model belongs to the field of grinding processing, and discloses an adjustable scraping device for a grinding miller, which comprises a scraping knife board component, two knife board rotating shafts and two groups of adjusting components, the two knife board rotating shafts are symmetrically and fixedly mounted on two sides of the scraping knife board component, the two groups of adjusting components are both mounted on a rack, and the two knife board rotating shafts are symmetrically and fixedly mounted on the rack. The knife board rotating shafts are arranged on the rack and located on the two sides of the scraping knife board assembly, one end of each knife board rotating shaft is fixedly connected with one end of the scraping knife board assembly, the other end of each knife board rotating shaft is rotationally installed on the rack and penetrates through the rack to be in driving connection with the corresponding adjusting assembly, and the adjusting assemblies drive the knife board rotating shafts to rotate around the central axes of the knife board rotating shafts. According to the utility model, not only can the relative position between the scraping knife board and the roller be adjusted, but also the contact abrasion time between the blade and the roller can be reduced, so that the service life of the blade is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of grinding processing, especially relate to adjustable scraping device for grinding machine. BACKGROUND

[0002] The roller grinder is widely used in the wet grinding of raw materials in the chemical industry such as paint, ink, ink, ink, paint, dye, plastic, rubber, lead core, leather, medicine, food, cosmetics and insulating material. It has the functions of crushing, dispersing, emulsifying, homogenizing, color matching and other functions, which can make the raw materials highly uniform mixing, and can also recycle waste materials.

[0003] In the process of discharging the roller grinder, a scraping knife plate is usually used to help scrape the ground material from the roller shaft so as to be processed or collected. The relative position between the scraping knife plate and the roller has a great influence on the discharging effect. For example, if the scraping angle of the scraping knife plate is too large, the material may be scraped off quickly, which may cause the material to splash and spray; if the angle is too small, the material may not be completely scraped off. In addition, during the grinding process, the scraping knife plate and the roller shaft are in relative motion for a long time, which is easy to wear, resulting in short service life of the scraping knife plate, high consumption rate of the blade and increased production cost. Therefore, in the actual production process, the position of the scraping knife plate needs to be adjusted considering the characteristics of the material, product requirements and cost factors. UTILITY MODEL CONTENTS

[0004] In order to solve the problems existing in the prior art, the utility model discloses a kind of adjustable scraping device for grinding machine, not only can adjust the relative position between scraping knife plate and roller, but also can reduce the contact wear time between blade and roller, to increase the service life of blade.

[0005] The specific technical scheme of the utility model is as follows:

[0006] An adjustable scraping device for grinding machine, comprising a scraping knife plate assembly, two knife plate shafts and two groups of adjusting assemblies, the two knife plate shafts are symmetrically fixed and installed on both sides of the scraping knife plate assembly, the two groups of adjusting assemblies are installed on the rack and located on both sides of the scraping knife plate assembly, one end of each knife plate shaft is fixedly connected with one end of the scraping knife plate assembly, the other end is rotatably installed on the rack and drivenly connected with the corresponding adjusting assembly through the rack, and the knife plate shaft is driven to rotate around its own center axis by the adjusting assembly.

[0007] Preferably, each of the adjusting assemblies comprises a telescopic driving device, a rack and a pinion, the telescopic driving device is fixedly installed on the rack, a telescopic end of the telescopic driving device is fixedly connected with one end of the rack, the rack is engaged with the pinion, the rack and the rotation center axis of the pinion are perpendicular to each other, and the pinion is installed on the cutter plate rotating shaft and used for driving the cutter plate rotating shaft to rotate.

[0008] Preferably, the cutter plate rotating shaft is installed on a fixed bearing seat through a bearing, and the fixed bearing seat is installed on the rack.

[0009] Preferably, the scraping cutter plate assembly comprises a blade and a cutter plate seat, the blade is installed in a blade groove of the cutter plate seat and parallel to the grinding roller, and two ends of the cutter plate seat are fixedly connected with the cutter plate rotating shaft through a rotating shaft connecting seat.

[0010] Beneficial effects: the utility model discloses a kind of adjustable scraping device for grinding machine, compared with prior art, with following advantages:

[0011] (1) the utility model utilizes adjusting assembly to drive scraping cutter plate assembly to rotate through cutter plate rotating shaft, to adjust the relative position between blade and roller, adjust scraping angle, can reduce the contact wear time between discharging cutter plate and grinding roller simultaneously, prolong the service life of blade.

[0012] (2) the utility model utilizes telescopic driving device and gear rack assembly to cooperate to realize the angle adjustment of scraping cutter plate assembly, not only be conducive to realizing automation production, and compared with prior art manual adjustment, not be limited by artificial technical level, adjustment precision is higher, reduces manual operation, improves adjustment efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 for the overall structure schematic diagram of embodiment 1;

[0014] Figure 2 for the structure schematic diagram of scraping cutter plate assembly in this example 1;

[0015] Figure 3 for the structure schematic diagram of adjusting assembly of embodiment 1;

[0016] Figure 4 for the installation schematic diagram of cutter plate rotating shaft of embodiment 1.

[0017] In the figure: scraping cutter plate assembly 1, blade 1-1, cutter plate seat 1-2, rotating shaft connecting seat 1-3, cutter plate rotating shaft 2, bearing 2-1, fixed bearing seat 2-2, adjusting assembly 3, telescopic driving device 3-1, rack 3-2, pinion 3-3, rack 4, grinding roller 5. DETAILED DESCRIPTION

[0018] The present invention will now be described with reference to the accompanying drawings. Several improvements and modifications will be made to the present invention. These improvements and modifications should also be considered within the scope of protection of the present invention. Example 1

[0019] An adjustable scraper for a grinding mill, such as Figures 1-2 As shown, the assembly includes a scraper blade assembly 1, two blade shafts 2, and two sets of adjustment components 3. The two blade shafts 2 are symmetrically fixed on both sides of the scraper blade assembly 1. The two sets of adjustment components 3 are mounted on the frame 4 and located on both sides of the scraper blade assembly 1. One end of each blade shaft 2 is fixedly connected to one end of the scraper blade assembly 1, and the other end is rotatably mounted on the frame 1 and passes through the frame 1 to be driven and connected to the corresponding adjustment component 3. The adjustment component 3 drives the blade shaft 2 to rotate around its own central axis.

[0020] In this embodiment 1, as Figure 2 As shown, each set of adjustment components 3 includes a telescopic drive device 3-1, a rack 3-2, and a gear 3-3. The telescopic drive device 3-1 is fixedly mounted on the frame 4. The telescopic end of the telescopic drive device 3-1 is fixedly connected to one end of the rack 3-2. The rack 3-2 meshes with the gear 3-3. The rotation center axes of the rack 3-2 and the gear 3-3 are perpendicular to each other. The gear 3-3 is mounted on the blade shaft 2 and is used to drive the blade shaft 2 to rotate.

[0021] In this embodiment 1, the telescopic drive device is preferably an adjustable pressure cylinder. However, the telescopic drive device in this utility model can be, but is not limited to, the above-mentioned device. Existing telescopic drive devices that can realize the reciprocating motion of the rack along a straight line are all applicable.

[0022] In this embodiment 1, as Figure 4 As shown, the blade shaft 2 is mounted on the fixed bearing seat 2-2 via the bearing 2-1, and the fixed bearing seat 2-2 is mounted on the frame 4.

[0023] The installation method of the blade shaft 2 in this utility model can be, but is not limited to, the above-described structure. Any existing method that enables the blade shaft 2 to be rotated and installed is applicable.

[0024] In this embodiment 1, the scraper blade assembly 1 includes a blade 1-1 and a blade holder 1-2. The blade 1-1 is installed in the blade groove of the blade holder 1-2 and is parallel to the grinding roller 5. The two ends of the blade holder 1-2 are fixedly connected to the blade shaft 2 through the rotating shaft connecting seat 1-3.

[0025] In this invention, the blade 1-1 is detachably installed in the blade slot of the blade holder for easy replacement.

[0026] The telescopic drive device is controlled by the control system to make telescopic movement, which is a conventional technical means, and therefore is not described in detail.

[0027] The working principle of the utility model is as follows:

[0028] First, the telescopic drive device 3-1 on both sides drives the rack 3-2 to make telescopic reciprocating movement in the linear direction, the rack 3-2 drives the gear 3-3 to rotate through the meshing effect, thereby driving the cutter plate rotating shaft 2 connected with the gear 3-3 to rotate around its own central axis, the cutter plate rotating shaft 2 rotates to drive the scraping cutter plate assembly 1 to rotate, thereby the relative position of the blade and the roller can be adjusted according to the requirement.

[0029] When the grinding machine is just started and no material is discharged, the telescopic drive device 3-1 can be controlled to drive the scraping cutter plate assembly 1 to rotate (rotate away from the roller direction) through the rack and pinion transmission, at this time, the blade 1-1 has no contact with the grinding roller 5, which can avoid the relative movement caused by the contact with the grinding roller 5 to cause abrasion, thereby prolonging the service life of the blade 1-1.

[0030] The above is only the description of the utility model, which is the preferred embodiment of the utility model. It should be pointed out that for ordinary skilled persons in the technical field, some improvements and decorations can be made under the premise of departing from the utility model, and these improvements and decorations should also be regarded as the protection range of the utility model.

Claims

1. An adjustable doctoring device for a grinding machine, characterized in that, The scraping knife plate assembly comprises two knife plate rotating shafts and two sets of adjusting assemblies, the two knife plate rotating shafts are symmetrically fixedly installed on the two sides of the scraping knife plate assembly, the two sets of adjusting assemblies are installed on the rack and located on the two sides of the scraping knife plate assembly, one end of each knife plate rotating shaft is fixedly connected with one end of the scraping knife plate assembly, the other end is rotatably installed on the rack and drivingly connected with the corresponding adjusting assembly, and the knife plate rotating shaft is driven by the adjusting assembly to rotate around the central axis thereof.

2. An adjustable doctoring device for a grinding machine according to claim 1, characterized in that, Each adjusting assembly comprises a telescopic driving device, a rack and a gear, the telescopic driving device is fixedly installed on the rack, the telescopic end of the telescopic driving device is fixedly connected with one end of the rack, the rack is engaged with the gear, the rotation central axes of the rack and the gear are perpendicular to each other, and the gear is installed on the knife plate rotating shaft to drive the knife plate rotating shaft to rotate.

3. The adjustable doctoring device for a grinding machine of claim 1, wherein, The knife plate rotating shaft is installed on the fixed bearing seat through a bearing, and the fixed bearing seat is installed on the rack.

4. The adjustable doctoring device for a grinding machine of claim 1, wherein, The scraping knife plate assembly comprises a blade and a knife plate seat, the blade is installed in the blade groove of the knife plate seat and parallel to the grinding roller, and the two ends of the knife plate seat are fixedly connected with the knife plate rotating shaft through the rotating shaft connecting seat.

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