CN210646279U

CN210646279U - Combined type main blade structure of flaker

Info

Publication number: CN210646279U
Application number: CN201921528148.7U
Authority: CN
Inventors: 张健
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-06-02
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses a main blade structure of a combined type flaker, which comprises a plurality of groups of blade assemblies arranged side by side; the blade assembly comprises a blade rest, a blade pressing plate and a blade adjusting bolt, wherein the blade rest is arranged on a flaker frame through a rotating shaft, the blade is arranged on the blade rest, the lower part of the blade is provided with a strip-shaped hole, the blade pressing plate is used for pressing and fixing the blade on the blade rest, the blade pressing plate is fixed on the blade rest through a fastening bolt penetrating through the strip-shaped hole on the blade, the blade adjusting bolt is in threaded connection with two sides of the blade rest below the blade, and the blade adjusting bolt props against the lower; each group of blade assemblies is correspondingly provided with a driving mechanism, and the driving mechanism is arranged on the frame of the sheet forming machine and used for driving the tool rest to rotate around the rotating shaft so as to adjust the distance between the blade and the rotating drum. The utility model provides a because of the rotary drum have manufacturing error and the distance between blade and the rotary drum that leads to on length can't the problem of the best doctor-bar distance of simultaneous control in the region of difference.

Description

Combined type main blade structure of flaker

Technical Field

The utility model relates to a pelleter technical field, concretely relates to modular pelleter owner blade structure.

Background

The flaking machine is also called a slicing machine and a flaking machine, and can be used for cooling and flaking high-temperature materials and drying and flaking low-temperature slurry.

The flaking machine consists of a frame, a housing, a transmission system, a cooling system, a feeding system, a scraping flaking system and an electrical appliance control system. The molten material liquid in the arc-shaped material groove is contacted with the cooled rotary drum and condensed on the surface of the rotary drum to form a material film. The heat is taken away by the cooling liquid in the rotary drum along with the rotation of the rotary drum, and the material film is scraped from the other side of the rotary drum by a scraper through adjusting the distance between the blade and the outer surface of the rotary drum to be discharged as a sheet finished product.

The distance between the cutting edge of the blade of the sheeting machine and the outer surface of the rotary drum is generally controlled to be 0.1mm-0.15mm, however, the length of the rotary drum is longer (generally more than 2m), certain manufacturing errors exist during manufacturing, the distances between different positions of the cutting edge of the blade in the axial direction and different positions of the surface of the rotary drum in the axial direction are difficult to control within a set range, the distance between the blade of some regions and the rotary drum is too small to cause contact abrasion, the distance between the blade of some regions and the rotary drum is too large to cause scraping, and the adjustment of the blade has problems.

Moreover, the diameter of the drum is large (generally more than 2m), the radiuses of different positions of the outer surface of the drum in the circumferential direction have certain deviation, the distance between the blade edge and the outer surface of the drum is very small, even if the initial distance between the blade edge and the outer surface of the drum is adjusted accurately, in the rotating process of the drum, the blade edge and the drum are in contact and wear due to the radius deviation of the drum, which is a very important reason for wear of the blade.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a modular flaker owner blade structure to solve because of the rotary drum has the manufacturing error and leads to the blade and the rotary drum on length apart from the unable problem of controlling the best doctor-bar distance simultaneously in the region of difference between the rotary drum.

The utility model provides a main blade structure of a combined type flaker, which comprises a plurality of groups of blade assemblies arranged side by side; the blade assembly comprises a blade rest, a blade pressing plate and a blade adjusting bolt, wherein the blade rest is arranged on a flaker frame through a rotating shaft, the blade is used for scraping and cutting materials on the surface of the rotary drum into pieces, the blade is arranged on the blade rest, the lower part of the blade is provided with a strip-shaped hole, the blade pressing plate is used for pressing and fixing the blade on the blade rest, the blade pressing plate is fixed on the blade rest through a fastening bolt penetrating through the strip-shaped hole on the blade, the blade adjusting bolt is in threaded connection with two sides of the blade rest below the blade, and the blade adjusting bolt abuts against the lower end of; and each group of blade assemblies is correspondingly provided with a driving mechanism, and the driving mechanism is arranged on a flaker frame and used for driving the tool rest to rotate around the rotating shaft so as to adjust the distance between the blade and the rotating drum.

Furthermore, one side of the middle part of the knife rest, which is close to the rotary drum, is provided with an arc-shaped clamping groove with a downward opening, the knife rest is clamped and hung on the rotary shaft through the arc-shaped clamping groove, and the knife rest is provided with a limiting bolt for limiting the rotary shaft in the arc-shaped clamping groove.

Further, the knife rest comprises a left support and a right support which are oppositely arranged on the left and right sides, and an upper support which is connected with the left support and the right support respectively, the upper support is used for installing the blades, and a cover plate is laid on the outer sides of the left support and the right support.

The blade assembly is characterized by further comprising a control mechanism, a distance sensor is arranged on one side, close to the rotary drum, of each blade assembly, the distance sensor is used for measuring the distance between the blade and the surface of the rotary drum after the material is scraped, and the control mechanism controls the driving mechanism to drive the blade to feed or retract according to the distance between the blade and the surface of the rotary drum, which is measured by the distance sensor, so that the distance between the blade and the surface of the rotary drum is always kept at a set value.

Further, distance sensor specifically is grating chi, grating chi includes base, slider, grating chi reading head, grating chi body, push rod and reset spring, the base is fixed on blade subassembly, has the inner chamber in the base, slider slidable mounting is in the base, grating chi reading head is fixed on the slider, grating chi body is located in the base along grating chi reading head gliding direction, the rear end and the slider of push rod link to each other, and the front end of push rod is worn out the base and is supported with the rotary drum surface counterbalance after scraping the material, reset spring supports and keeps away from between one side and the base of push rod at the slider.

Further, the front end of the push rod is provided with a roller, and the front end of the push rod is in rolling contact with the surface of the rotary drum through the roller.

Furthermore, the front end of the push rod is also provided with a brush, and the brush is in contact with the peripheral surface of the roller.

Furthermore, the front end of push rod is provided with first spout along the axial, it is provided with the brush seat and supports the first compression spring between the bottom of brush seat and first spout to slide in the first spout, the brush is planted in the front side of brush seat.

Further, a linear bearing is further arranged on the base, and the push rod is adapted to the linear bearing.

Furthermore, the rear side of the blade assembly is provided with a second chute for accommodating the base, the bottom of the second chute is provided with a through hole which is communicated with the front side of the blade assembly and is used for the linear bearing to pass through, the linear bearing is sleeved with a second compression spring which is supported between the base and the bottom of the second chute, and the rear end of the second chute is connected with a plug in a threaded manner.

The beneficial effects of the utility model are embodied in: the utility model provides a knot machine blade falls into a plurality of groups blade subassembly, the height of the both sides of the blade of every group blade subassembly can be adjusted through blade adjusting bolt, make the cutting edge of blade upper end parallel with the surface of rotary drum, simultaneously, every group blade subassembly can be adjusted alone, independent control, thereby make the blade of every group blade subassembly keep at best section distance with the rotary drum surface respectively, thereby solved because of the rotary drum has the manufacturing error in length and the problem that the distance between blade and the rotary drum can't control best doctor-bar distance simultaneously in the region of difference.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a perspective view of an embodiment of the present invention;

fig. 2 is an installation diagram of an embodiment of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a schematic structural diagram of a grating scale according to an embodiment of the present invention.

In the drawings, 100 denotes a rack; 200 denotes a rotary drum; 1 denotes a blade assembly; 11 denotes a tool holder; 111 an arc-shaped slot; 112 denotes a limit bolt; 113 denotes a left bracket; 114 denotes a right bracket; 115 denotes an upper holder; 116 denotes a cover plate; 12 denotes a blade; 121 denotes a bar-shaped hole; 13 denotes a blade presser; 14 denotes a blade adjusting bolt; 15 denotes a rotating shaft; 16 denotes a fastening bolt; 2 denotes a drive mechanism; 3 denotes a distance sensor; 31 denotes a base; 32 denotes a slider; 33, a raster ruler-reading head; 34, a grating scale body; 35 denotes a push rod; 36 denotes a return spring; 37 denotes a roller; 38 denotes a brush; 39 denotes a first chute; 310 denotes a brush holder; 311 denotes a first compression spring; 312 denotes a linear bearing; 313 denotes a second chute; 314 denotes a through hole; 315 a second compression spring; 316 denotes a stopper.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

As shown in fig. 1-4, the embodiment of the present invention provides a main blade structure of a combined type flaker, which includes a plurality of groups of blade assemblies 1 arranged side by side.

The blade component 1 comprises a blade holder 11, a blade 12, a blade pressing plate 13 and a blade adjusting bolt 14, wherein the blade holder 11 is installed on a flaker frame 100 through a rotating shaft 15, the blade 12 is used for scraping and cutting materials on the surface of the rotary drum 200 into pieces, the blade 12 is installed on the blade holder 11, a strip-shaped hole 121 is formed in the lower portion of the blade 12, the blade pressing plate 13 is used for pressing and fixing the blade 12 on the blade holder 11, the blade pressing plate 13 is fixed on the blade holder 11 through a fastening bolt 16 penetrating through the strip-shaped hole 121 in the blade 12, the blade adjusting bolt 14 is in threaded connection with two sides of the blade holder 11 below the blade 12, and the blade adjusting bolt; each group of blade assemblies 1 is correspondingly provided with a driving mechanism 2, the driving mechanism 2 is mounted on the flaker frame 100 to drive the knife rest 11 to rotate around the rotating shaft 15 to adjust the distance between the blade 12 and the rotating drum 200, and it is understood that the driving mechanism 2 may be a screw rod, an air cylinder, a hydraulic cylinder or an electric cylinder.

The flaker blade 12 of this application divides into a plurality of groups blade subassembly 1, the height of the both sides of the blade 12 of every group blade subassembly 1 can be adjusted through blade adjusting bolt 14, make the cutting edge of blade 12 upper end parallel with the surface of rotary drum 200, simultaneously, every group blade subassembly 1 can be adjusted alone, independent control, thereby make the blade 12 of every group blade subassembly 1 keep at best section distance with the rotary drum 200 surface respectively, thereby solved because of rotary drum 200 has manufacturing error in length and the distance between blade 12 and rotary drum 200 that leads to can't control the problem of best doctor-bar distance simultaneously in the region of difference.

In this embodiment, one side of the middle of the tool holder 11 close to the rotary drum 200 is provided with an arc-shaped clamping groove 111 with a downward opening, the tool holder 11 is clamped and hung on the rotary shaft 15 through the arc-shaped clamping groove 111, the tool holder 11 is provided with a limit bolt 112 for limiting the rotary shaft 15 in the arc-shaped clamping groove 111, when the tool holder 11 is installed, the arc-shaped clamping groove 111 is clamped and hung on the rotary shaft 15, the limit bolt 112 is screwed in to limit the rotary shaft 15 in the arc-shaped clamping groove 111, when the tool holder 11 is disassembled, the limit bolt 112 is screwed out, and the arc-shaped clamping groove 111 is withdrawn from the rotary shaft 15, so that the installation and the disassembly of the tool holder 11 cannot affect.

In order to optimize the structure of the tool holder 11 and reduce the weight of the tool holder 11, the tool holder 11 comprises a left bracket 113 and a right bracket 114 which are oppositely arranged at the left and the right, and an upper bracket 115 which is respectively connected with the left bracket 113 and the right bracket 114, the upper bracket 115 is used for installing the blade 12, a cover plate 116 is laid on the outer sides of the left bracket 113 and the right bracket 114, and the flaky material slides off the surface of the cover plate 116.

One side that every group blade subassembly 1 is close to rotary drum 200 all is provided with distance sensor 3, and distance sensor 3 is used for measuring blade 12 and scrapes the interval on the rotary drum 200 surface behind the material, and distance sensor 3 of this embodiment preferably adopts the grating chi, and the grating chi adopts mechanical contact's mode to range, and measurement accuracy is high, and measured data is reliable, and of course, in other embodiments, distance sensor 3 also can adopt instruments such as laser range sensor, ultrasonic ranging sensor.

As a specific example, the grating ruler includes a base 31, a slider 32, a grating ruler reading head 33, a grating ruler body 34, a push rod 35 and a return spring 36, the base 31 is fixed on the blade assembly 1, an inner cavity is provided in the base 31, the slider 32 is slidably mounted in the base 31, the grating ruler reading head 33 is fixed on the slider 32, the grating ruler body 34 is disposed in the base 31 along the sliding direction of the grating ruler reading head 33, the rear end of the push rod 35 is connected with the slider 32, the front end of the push rod 35 penetrates through the base 31 and abuts against the surface of the drum 200 after the material is scraped, and the return spring 36 is supported between one side of the slider 32 away from the push rod 35 and the base 31. Because the front end of the push rod 35 is abutted against the surface of the rotary drum 200, when the radius of the rotary drum 200 is increased, the rotary drum 200 can push the push rod 35 backwards, so as to drive the slide block 32 to slide backwards, the return spring 36 is compressed, when the radius of the rotary drum 200 is reduced, the slide block 32 slides forwards under the action of the return spring 36, so as to push the push rod 35 to move forwards, so that the front end of the push rod 35 is abutted against the surface of the rotary drum 200, the grating scale reading head 33 reciprocates along with the slide block 32, and the change of the distance between the blade 1 and the surface of the rotary drum 200 can be measured by identifying the reading of the grating scale body 34 through the grating scale reading head 33. The linear bearing 312 is further disposed on the base 31, and the push rod 35 is fitted in the linear bearing 312, so that the stability of the back-and-forth movement of the push rod 35 can be improved.

In order to reduce friction between the push rod 35 and the rotary drum 200 and reduce wear between the push rod 35 and the rotary drum 200, a roller 37 is mounted at the front end of the push rod 35, and the front end of the push rod 35 is in rolling contact with the surface of the rotary drum 200 through the roller 37. In addition, the roller 37 is in rolling contact with the surface of the drum 200, a layer of dust may be adhered to the outer peripheral surface of the roller 37, the diameter of the roller 37 is increased, and the actual measurement result of the grating ruler is larger. In order to ensure that the brush 38 can still keep in contact with the surface of the roller 37 after a certain amount of wear, the front end of the push rod 35 of this embodiment is axially provided with a first sliding slot 39, the first sliding slot 39 is slidably provided with a brush holder 310 and a first compression spring 311 supported between the brush holder 310 and the bottom of the first sliding slot 39, the brush 38 is planted in the front side of the brush holder 310, and when the brush 38 is worn, the first compression spring 311 pushes out the brush holder 310, thereby ensuring that the brush 38 is always in contact with the surface of the roller 37.

A second chute 313 for accommodating the base 31 is formed at the rear side of the blade assembly 1, a through hole 314 which is communicated with the front side of the blade assembly 1 and is used for the linear bearing 312 to pass through is formed at the bottom of the second chute 313, a second compression spring 315 which is supported between the base 31 and the bottom of the second chute 313 is sleeved on the linear bearing 312, and a plug 316 is connected to the rear end of the second chute 313 in a threaded manner. During installation, the second compression spring 315 is installed in the second sliding groove 313, the grating ruler is installed in the second sliding groove 313, the linear bearing 312 and the push rod 35 of the grating ruler penetrate out of the through hole 314, the roller 37 is installed at the front end of the push rod 35 of the grating ruler, the plug 316 is screwed into the rear end of the second sliding groove 313, and the position of the roller 37 at the front end of the push rod 35 can be adjusted through the screwing depth of the plug 316 into the second sliding groove 313.

The embodiment is further provided with a control mechanism, the control mechanism is a PLC controller, and the control mechanism controls the driving mechanism 2 to drive the blade 12 to advance or retract according to the distance between the blade 12 and the surface of the rotary drum 200, which is measured by the distance sensor 3, so that the distance between the blade 12 and the surface of the rotary drum 200 is always kept at a set value.

The distance between the blade 12 and the surface of the rotary drum 200 is measured by the distance sensor 3 and sent to the control mechanism, and the control mechanism judges the feeding or retracting according to the distance measured by the distance sensor 3 and controls the driving mechanism 2 to move correspondingly. During the rotation of the drum 200, when the area of the drum 200 protruding outward relative to the standard circle passes the blade 12, the distance sensor 3 detects that the distance between the blade 12 and the surface of the drum 200 becomes smaller, at this time, the driving mechanism 2 drives the blade 12 to retract until the distance between the blade 12 and the surface of the drum 200 returns to the set value, when the area of the drum 200 recessed inward relative to the standard circle passes the blade assembly 1, the distance sensor 3 detects that the distance between the blade assembly 1 and the surface of the drum 200 becomes larger, at this time, the driving mechanism 2 drives the blade 12 to advance until the distance between the blade 12 and the surface of the drum 200 returns to the set value.

Therefore, the distance between the blade 12 and the rotary drum 200 is automatically adjusted in real time in the slicing process through the automatic adjusting mechanism for the blade 12 of the blade-joining machine, so that the blade 12 and the rotary drum 200 are always kept at the optimal slicing distance, the problems of contact and abrasion between the cutting edge of the blade 12 and the rotary drum 200 caused by radius deviation of the rotary drum 200 at different positions are solved, the service life of the blade 12 is prolonged, the replacement frequency of the blade 12 is reduced, and the maintenance cost is reduced.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. A main blade structure of a combined flaker is characterized by comprising a plurality of groups of blade assemblies which are arranged side by side; the blade assembly comprises a blade rest, a blade pressing plate and a blade adjusting bolt, wherein the blade rest is arranged on a flaker frame through a rotating shaft, the blade is used for scraping and cutting materials on the surface of the rotary drum into pieces, the blade is arranged on the blade rest, the lower part of the blade is provided with a strip-shaped hole, the blade pressing plate is used for pressing and fixing the blade on the blade rest, the blade pressing plate is fixed on the blade rest through a fastening bolt penetrating through the strip-shaped hole on the blade, the blade adjusting bolt is in threaded connection with two sides of the blade rest below the blade, and the blade adjusting bolt abuts against the lower end of; and each group of blade assemblies is correspondingly provided with a driving mechanism, and the driving mechanism is arranged on a flaker frame and used for driving the tool rest to rotate around the rotating shaft so as to adjust the distance between the blade and the rotating drum.

2. The main blade structure of the combined flaker as claimed in claim 1, wherein an arc-shaped slot with a downward opening is provided at one side of the middle part of the knife rest close to the rotary drum, the knife rest is clamped and hung on the rotary shaft through the arc-shaped slot, and a limit bolt for limiting the rotary shaft in the arc-shaped slot is provided on the knife rest.

3. The main blade structure of the combined flaker as claimed in claim 1, wherein the blade holder comprises a left bracket and a right bracket which are oppositely arranged at left and right sides, and an upper bracket which is respectively connected with the left bracket and the right bracket, the upper bracket is used for mounting the blade, and a cover plate is laid on the outer sides of the left bracket and the right bracket.

4. The main blade structure of the combined flaker as claimed in claim 1, further comprising a control mechanism, wherein a distance sensor is disposed on one side of each blade assembly close to the drum, the distance sensor is used for measuring the distance between the blade and the surface of the drum after the material is scraped, and the control mechanism controls the driving mechanism to drive the blade to advance or retract according to the distance between the blade and the surface of the drum measured by the distance sensor, so that the distance between the blade and the surface of the drum is always kept at a set value.

5. The main blade structure of the combined flaker as claimed in claim 4, wherein the distance sensor is a grating scale, the grating scale includes a base, a slider, a grating scale reading head, a grating scale body, a push rod and a return spring, the base is fixed on the blade assembly, an inner cavity is provided in the base, the slider is slidably mounted in the base, the grating scale reading head is fixed on the slider, the grating scale body is arranged in the base along the sliding direction of the grating scale reading head, the rear end of the push rod is connected with the slider, the front end of the push rod penetrates out of the base and abuts against the surface of the drum after the material is scraped, and the return spring is supported between the side of the slider away from the push rod and the base.

6. The main blade structure of the combined flaker as claimed in claim 5, wherein the front end of the push rod is provided with a roller, and the front end of the push rod is in rolling contact with the surface of the rotary drum through the roller.

7. The main blade structure of the combined flaker as claimed in claim 6, wherein the front end of the push rod is further provided with a brush, and the brush is in contact with the outer peripheral surface of the roller.

8. The main blade structure of the combined flaker as claimed in claim 7, wherein the front end of the push rod is axially provided with a first sliding slot, the first sliding slot is slidably provided with a brush seat and a first compression spring supported between the brush seat and the bottom of the first sliding slot, and the brush is planted at the front side of the brush seat.

9. The main blade structure of the combined flaker as claimed in claim 5, wherein the base is further provided with a linear bearing, and the push rod is adapted to the linear bearing.

10. The main blade structure of the combined flaker as claimed in claim 9, wherein a second chute for accommodating the base is provided at the rear side of the blade assembly, a through hole is provided at the bottom of the second chute, the through hole is communicated with the front side of the blade assembly and is used for the linear bearing to pass through, a second compression spring supported between the base and the bottom of the second chute is sleeved on the linear bearing, and a plug is connected to the rear end of the second chute through a thread.