CN218459619U

CN218459619U - Milling machine sampling assembly and milling machine

Info

Publication number: CN218459619U
Application number: CN202222900750.7U
Authority: CN
Inventors: 白桂江; 文范; 梁海霞; 刘文波; 李耀宗; 牛丽净
Original assignee: Hebei Pingle Flour Machinery Group Co Ltd
Current assignee: Hebei Pingle Flour Machinery Group Co Ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-02-10
Anticipated expiration: 2032-11-01

Abstract

The utility model provides a milling machine sampling subassembly and milling machine. The sampling assembly of the flour mill comprises a sampling pipe and a distributor. The sampling tube is provided with a first end and a second end, and the first end is provided with an opening facing upwards and is arranged below the discharge end of the grinding roller assembly; the tripper includes the shell, divides flitch and actuating mechanism, the shell has the branch material chamber, it has feed inlet, feed back mouth and sample connection to divide the material chamber, the feed inlet with second end intercommunication, divide the flitch activity to locate divide the material intracavity, actuating mechanism is used for the drive divide the flitch to remove, so that the feed inlet with the feed back mouth with one of them intercommunication of sample connection. The utility model discloses a sampling tube and tripper realize automatic sampling, operate more safety and sanitation. In the flour collection subassembly that flour can return to the milling machine from the feed back mouth when not needing the sample, can avoid extravagant, whole sample and feed back process are realized through sampling tube and tripper, help guaranteeing the product health.

Description

Milling machine sampling assembly and milling machine

Technical Field

The utility model belongs to the technical field of the milling machine sample, concretely relates to milling machine sample subassembly and milling machine.

Background

Cereals such as wheat need be through grinding many times when being ground into flour, in order to guarantee production quality, need carry out online sampling to the material that different milling machines ground, carry out the analysis to items such as get whitewashed rate, granularity to in time know equipment state and grinding quality.

Flour process engineer (for short for flour teacher) is responsible for the milling machine sample in the crocus workshop, analysis work, milling machine sample mode among the prior art sets up the sample window in milling machine one side, when carrying out the flour sample, stretch into the window with the hand, connect and get the flour that partly dropped from the grinding roller, the grinding degree of manual perception flour, the hand need be close to high-speed pivoted grinding roller during this mode sample, there is certain danger, directly connect through the hand and get flour, can cause the influence to the product health.

SUMMERY OF THE UTILITY MODEL

The utility model provides a milling machine sampling unit and milling machine, hand need be close to high-speed pivoted grinding roller when aiming at milling machine sample among the prior art, has certain danger, directly connects through the hand and gets flour, can lead to the fact the problem of influence to the product health.

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

in a first aspect, the utility model provides a milling machine sampling subassembly, include:

the sampling tube is provided with a first end and a second end, and the first end is provided with an upward opening and is arranged below the discharge end of the grinding roller assembly; and

tripper, including shell, branch flitch and actuating mechanism, the shell has the branch material chamber, the branch material chamber has feed inlet, feed back mouth and sample connection, the feed inlet with second end intercommunication, divide the flitch activity to locate divide the material intracavity, actuating mechanism is used for the drive divide the flitch to remove, so that the feed inlet with the feed back mouth with one of them intercommunication of sample connection.

In one possible embodiment, the sampling tube has a plurality of sampling tubes, and the plurality of sampling tubes are arranged along the axial direction of the grinding roller assembly.

In a possible implementation manner, the sampling assembly of the flour mill further comprises a negative pressure conveying device respectively communicated with the material return port and the sampling port.

In a possible implementation manner, the lower end of the material distributing plate is hinged to the housing, the upper end of the material distributing plate is used for being in contact sealing with the inner wall of the material distributing cavity, the hinged end of the material distributing plate axially extends out of the housing to form a connecting portion, and the driving mechanism is used for driving the connecting portion to rotate.

In one possible implementation, the drive mechanism includes:

the connecting rod is fixedly connected with the connecting part; and

the telescopic unit is arranged on the shell, and the telescopic end of the telescopic unit is hinged with the connecting rod.

In a possible implementation manner, the material distributing plate is defined to have a first position for communicating the feeding hole with the material returning hole and a second position for communicating the feeding hole with the sampling hole;

the distributor also comprises two limiting elements which are arranged on the shell and respectively correspond to the first position and the second position, and the connecting rod moves between the two limiting elements.

In a possible implementation manner, the housing is provided with two mounting blocks respectively corresponding to the limiting elements, the mounting blocks are provided with threaded holes, one end of each limiting element is in threaded fit with the corresponding mounting block, and the other end of each limiting element is used for being abutted and limited by the corresponding connecting rod.

In one possible implementation, the telescopic unit is a cylinder.

In one possible embodiment, the sampling tube is arranged so as to be movable in the axial direction of the grating roller assembly.

Compared with the prior art, the utility model provides a milling machine sampling subassembly's beneficial effect is:

the utility model provides a milling machine sampling subassembly includes sampling tube and tripper, and the first end opening of sampling tube is used for accepting the flour after the grinding roller subassembly grinds up, and flour gets into the feed inlet of tripper from the second end of sampling tube, discharges from feed back mouth or one of them of sample connection through dividing flitch control flour. When the sampling is not needed, the feed inlet is communicated with the feed back port through the material distributing plate, and the flour returns to the flour collecting assembly of the flour mill again from the feed back port and the material conveying pipe. When materials are required to be taken, the material distributing plate is controlled by the driving mechanism to move, the feeding hole is communicated with the sampling port, and flour is discharged from the sampling port to realize sampling operation.

The utility model discloses a sampling tube and tripper realize automatic sampling, operate safelyr. In the flour collection subassembly that flour can return to the milling machine from the feed back mouth when not needing the sample, can avoid extravagant, whole sample and feed back process are realized through sampling tube and tripper, help guaranteeing the product health.

In the second aspect, the utility model provides a milling machine, including any implementation of the aforesaid milling machine sampling subassembly, have rather than the same technological effect, no longer give consideration to here.

Drawings

Fig. 1 is a schematic view illustrating an installation of a sampling pipe in a sampling assembly of a pulverizer according to an embodiment of the present invention;

fig. 2 is an internal cross-sectional view of a sampling tube installed in a sampling assembly of a pulverizer according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a distributor in a sampling assembly of a pulverizer according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of the interior of the distributor in the sampling assembly of the pulverizer according to an embodiment of the present invention.

Description of reference numerals:

10. a sampling tube; 11. a first end; 12. a second end;

20. a distributor; 21. a housing; 211. a material distributing cavity; 212. a feed inlet; 213. a feed back port; 214. a sampling port; 215. mounting blocks; 22. a material distributing plate; 221. a connecting portion; 23. a drive mechanism; 231. a connecting rod; 232. a telescopic unit; 24. limiting element

30. A grinding roll assembly;

40. a squeegee assembly;

50. and (4) a hopper.

Detailed Description

In order to make the technical problem, technical solution and beneficial effects to be solved by the present invention more clearly understood, the following description is made in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to," "secured to," or "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on," "disposed on" another element, it can be directly on the other element or intervening elements may also be present. "plurality" means two or more. "at least one" refers to one or more quantities. "a number" means one or more than one.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Referring to fig. 1 to 4, a sampling assembly of a pulverizer and a pulverizer according to an embodiment of the present invention will be described.

Referring to fig. 1 to 4, in a first aspect, an embodiment of the present invention provides a sampling assembly of a pulverizer, including a sampling tube 10 and a distributor 20. Wherein the sampling tube 10 has a first end 11 and a second end 12, the first end 11 being open upwardly and disposed below the discharge end of the grinding roller assembly 30; the distributor 20 comprises a housing 21, a material distributing plate 22 and a driving mechanism 23, wherein the housing 21 is provided with a material distributing cavity 211, the material distributing cavity 211 is provided with a feeding hole 212, a material returning hole 213 and a sampling hole 214, the feeding hole 212 is communicated with the second end 12, the material distributing plate 22 is movably arranged in the material distributing cavity 211, and the driving mechanism 23 is used for driving the material distributing plate 22 to move, so that the feeding hole 212 is communicated with one of the material returning hole 213 and the sampling hole 214, and the other one of the material returning hole 213 and the sampling hole 214 is closed, thereby controlling the material returning hole 213 and the sampling hole 214 to discharge respectively.

the embodiment of the utility model provides a milling machine sampling subassembly includes sampling tube 10 and tripper 20, and first end 11 and second end 12 axial link up, and the 11 openings in first end of sampling tube 10 are used for accepting the flour after grinding roller assembly 30 grinds up, and flour gets into the feed inlet 212 of tripper 20 from second end 12 of sampling tube 10, controls flour through the branch flitch 22 and discharges from feed back mouth 213 or one of them of sample connection 214. When sampling is not required, the feed inlet 212 is communicated with the feed back opening 213 via the material separating plate 22, and flour is returned from the feed back opening 213 and the material conveying pipe to the flour collecting assembly (such as the hopper 50) of the mill. When material is required to be taken, the driving mechanism 23 controls the material distributing plate 22 to move, so that the feeding port 212 is communicated with the sampling port 214, flour is discharged from the sampling port 214, and sampling operation is realized.

The embodiment of the utility model provides a realize automatic sample through sampling tube 10 and tripper 20, the operation is safer. In the flour collection subassembly that flour can return to the milling machine from feed back mouth 213 when not needing the sample, can avoid extravagant, whole sample and feed back process are realized through sampling tube 10 and tripper 20, help guaranteeing the product health.

The embodiment of the utility model provides an in 11 first ends of sampling tube 10 be the entry end, second end 12 is the exit end, and for the convenience of flour flows, sampling tube 10 can vertical setting, first end 11 is located the top promptly, and second end 12 is located the below, and flour can rely on gravity whereabouts. Of course, in addition to the manner in which the flour is allowed to fall by gravity, a conveying device may be provided for conveying the flour in the sampling tube 10 to the dispenser 20. The conveying device can be a screw conveyor, a pneumatic conveying device and the like.

The embodiment of the utility model provides an in sampling tube 10 can be fixed through fixed units such as support, mounting panel, perhaps, as shown in fig. 1, sampling tube 10 can the direct mount on the hopper 50 of milling machine, hopper 50 is located the below of crocus subassembly, scraper blade subassembly 40 is used for scraping the flour on two grinding rollers, and hopper 50 is used for accepting the flour of scraping. The sampling tube 10 is mounted on the hopper 50, and the opening of the first end 11 is located in the receiving area of the hopper 50, and can receive the partially dropped flour and then convey the flour to the distributor 20.

One or more sampling tubes 10 can be arranged as required, optionally, as shown in fig. 1, two sampling tubes 10 are arranged, the two sampling tubes 10 are respectively close to two shaft ends of the grinding component, the reliability of the samples obtained close to the shaft ends for evaluating the state of the equipment is better, and the result is more accurate.

The distributor 20 of the embodiment of the present invention includes a housing 21, a material distributing plate 22 and a driving mechanism 23. The housing 21 is provided with a feed inlet 212, a feed back port 213 and a sampling port 214 which are communicated with the material distribution cavity 211. To facilitate the flow of the flour, as shown in fig. 3, the feed opening 212 is opened at the top of the housing 21, and the feed back opening 213 and the sampling opening 214 are opened at the bottom of the housing 21.

The material distributing plate 22 is movably arranged in the material distributing cavity 211 and used for controlling the flowing direction of the flour. The material distributing plate 22 has a first position where it communicates with the feed port 212 and the return port 213 and closes the sampling port 214, and a second position where it communicates with the feed port 212 and the sampling port 214 and closes the return port 213. Specifically, the material distributing plate 22 may be slidably or rotatably connected to the inner wall of the material distributing cavity 211.

The driving mechanism 23 is used for driving the material distributing plate 22 to move so as to switch between the first position and the second position. The driving mechanism 23 may be a power device such as an air cylinder, an electric telescopic rod, a hydraulic cylinder, and a motor.

Referring to FIGS. 1 and 2, in some possible embodiments, the probe tube 10 has a plurality of probe tubes 10, and the plurality of probe tubes 10 are arranged along the axial direction of the grinding roller assembly 30.

In this embodiment, a plurality of sampling tubes 10 are arranged along the axial direction of the grinding roller assembly 30, so that flour at different positions can be obtained, and the condition and the grinding quality of the device can be analyzed more comprehensively. The distributors 20 and the sampling tubes 10 may correspond to each other in number, or a plurality of sampling tubes 10 may share one distributor 20.

When a distributor 20 is shared by a plurality of sampling tubes 10, different sampling tubes 10 are respectively communicated with the feeding port 212 through the conveying pipe, a valve can be arranged on the conveying pipe, and the sampling of the sampling tubes 10 is separated by controlling the opening and closing of the valve in different time, so that the sampling tubes 10 can share one distributor 20, and the material mixing can be avoided, and the accuracy of an analysis result is influenced.

Referring to fig. 3, the arrows indicate the material flow direction, and in some possible embodiments, the sampling assembly of the mill further comprises a negative pressure conveying device respectively communicating with the feed back port 213 and the sampling port 214.

This embodiment is used for realizing flour through setting up negative pressure conveyor and carries, compares with the mode that relies on gravity to realize that flour flows, and is faster, can also avoid the flour adhesion at the pipe inner wall. The material return port 213 and the sampling port 214 may be respectively provided with an air suction mechanism, and the negative pressure fan provides power to enable flour to enter the distributor 20 from the sampling pipe 10 and then be discharged from the distributor 20.

Referring to fig. 3 and 4, in some possible embodiments, the lower end of the material distributing plate 22 is hinged to the housing 21, the upper end of the material distributing plate is used for contacting and sealing with the inner wall of the material distributing cavity 211, the hinged end of the material distributing plate 22 axially extends out of the housing 21 to form a connecting portion 221, and the driving mechanism 23 is used for driving the connecting portion 221 to rotate.

Since the driving mechanism 23 is a power driving device, there are usually an air cylinder, a hydraulic oil cylinder, a motor, etc., and the connecting portion 221 is driven to rotate by means of gear transmission, link 231 transmission, etc. For the mechanical transmission forms described above, it is generally necessary to provide lubricating oil. If the driving mechanism 23 is directly arranged in the material separating cavity 211, flour can enter a transmission gap of the driving mechanism 23 to influence mechanical transmission on the one hand, and lubricating oil and the like can pollute the flour on the other hand. In order to solve the above problem, in the present embodiment, the hinge shaft of the material distribution plate 22 extends out of the housing 21, and the driving mechanism 23 is disposed outside the housing 21, which helps to ensure the normal operation of the material distribution plate, and simultaneously ensures that the flour is clean and is prevented from being polluted.

Referring to fig. 3 and 4, in some possible embodiments, the driving mechanism 23 includes a link 231 and a telescopic unit 232. The connecting rod 231 is fixedly connected with the connecting part 221; the telescopic unit 232 is disposed on the housing 21, and a telescopic end of the telescopic unit 232 is hinged to the connecting rod 231.

In this embodiment, the retractable unit 232 has an installation end and a retractable end, the installation end is hinged to the fixing unit (such as a supporting frame, a supporting plate, etc.), the retractable end is hinged to the connecting rod 231, the retractable end drives the connecting rod 231 to rotate, and the connecting rod 231 drives the material distributing plate 22 to rotate.

Referring to fig. 3 and 4, in some possible embodiments, the material separating plate 22 is defined to have a first position for communicating the feeding port 212 and the return port 213 and closing the sampling port 214, and a second position for communicating the feeding port 212 and the sampling port 214 and closing the return port 213; the dispenser 20 further comprises two stop elements 24 provided on the casing 21 in correspondence of the first and second positions, respectively, between which stop elements 24 the link 231 moves.

Since the material distributing plate 22 is a plate-like component, bending deformation may occur due to an excessive impact force, in this embodiment, the limiting element 24 is arranged to limit the connecting rod 231, so as to prevent the material distributing plate 22 from deforming due to impact with the inner wall of the material distributing cavity 211 due to an excessive driving force of the driving mechanism 23.

Referring to fig. 3 and 4, in some possible embodiments, the housing 21 is provided with two mounting blocks 215 corresponding to the limiting elements 24, respectively, the mounting blocks 215 are provided with threaded holes, one end of each limiting element 24 is in threaded fit with the mounting block 215, and the other end of each limiting element 24 is used for abutting against the corresponding connecting rod 231 for limiting.

In this embodiment, one end of the limiting element 24 is in threaded fit with the mounting block 215, so that the position of the limiting element 24 can be adjusted in a small range, and the position of the material distributing plate 22 is more accurate. The contact sealing between the material distributing plate 22 and the inner wall of the material distributing cavity 211 can be ensured, the flour is prevented from being discharged from a gap, and the impact deformation between the material distributing plate 22 and the inner wall of the material distributing cavity 211 can be avoided.

Referring to fig. 3 and 4, in some possible embodiments, the expansion unit 232 is a cylinder. The procurement and maintenance costs of the air cylinder are low, the body of the air cylinder is mounted on the housing 21 or other fixed unit, and the air cylinder rod is hinged with the connecting rod 231.

In some possible embodiments, the probe tube 10 is movably arranged in the axial direction of the grating roller assembly 30. In this embodiment, a slide rail may be axially disposed along the grinding roller assembly 30, the sampling tube 10 is slidably engaged with the slide rail, and the grinding roller assembly 30 can be sampled at a plurality of positions by disposing one sampling tube 10.

In a second aspect, embodiments of the present invention provide a mill, including a mill sampling assembly as in any of the above embodiments.

The embodiment of the utility model provides a milling machine adopts the milling machine sampling component as in above arbitrary embodiment, can realize the automatic sampling of flour, has both guaranteed safe in utilization, can avoid again that flour is polluted, has the same technological effect with milling machine sampling component, no longer gives unnecessary details here.

It is to be understood that, the above-mentioned embodiments may be freely combined or deleted to form different combination embodiments, and details of each combination embodiment are not repeated herein, and after this description, it can be considered that the present invention has described each combination embodiment and can support different combination embodiments.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Milling machine sampling subassembly, its characterized in that includes:

the sampling pipe is provided with a first end and a second end, and the first end is provided with an upward opening and is arranged below the discharge end of the grinding roller assembly; and

2. A mill sampling assembly according to claim 1, wherein the sampling tube is provided in plurality, the plurality of sampling tubes being arranged in the axial direction of the grinding roller assembly.

3. A mill sampling assembly according to claim 1, further comprising a negative pressure delivery device in communication with the feed back port and the sampling port, respectively.

4. A mill sampling assembly according to claim 1, wherein the lower end of the material distributing plate is hinged to the housing, the upper end of the material distributing plate is used for contacting and sealing with the inner wall of the material distributing chamber, the hinged end of the material distributing plate axially extends out of the housing to form a connecting part, and the driving mechanism is used for driving the connecting part to rotate.

5. A mill sampling assembly according to claim 4, wherein the drive mechanism comprises:

the connecting rod is fixedly connected with the connecting part; and

6. A mill sampling assembly according to claim 5, wherein the distribution plate is defined to have a first position communicating the feed inlet and the return inlet, and a second position communicating the feed inlet and the sampling opening;

7. A milling machine sampling assembly according to claim 6, characterized in that the housing is provided with two mounting blocks corresponding to the stop elements, respectively, the mounting blocks being provided with threaded holes, one end of the stop element being in threaded engagement with the mounting block and the other end being adapted to abut against and be stopped by the corresponding connecting rod.

8. A mill sampling assembly according to claim 5, wherein the telescopic unit is a cylinder.

9. A mill sampling assembly according to claim 1, wherein the sampling tube is movably arranged in the axial direction of the grinding roller assembly.

10. Flour mill comprising a sampling assembly of a flour mill according to any of the claims 1-9.