CN218967987U - Spliced spiral conveying shaft body - Google Patents

Abstract

The utility model provides a spliced spiral conveying shaft body, which comprises a plurality of shaft body units spliced end to end, wherein each shaft body unit comprises a shaft tube, a spiral blade is arranged on the outer circumferential surface of the shaft tube, a splicing column is arranged at one end of the shaft tube, a splicing groove matched with the splicing column in a splicing way is arranged at the other end of the shaft tube, a fastening assembly for realizing the fixed connection of the two adjacent shaft body units is arranged between the adjacent shaft body units, a positioning block is arranged on one end surface of the spiral blade, and a positioning groove matched with the positioning block in a splicing way is arranged on the other end surface of the spiral blade. The method has the effect of improving the matching precision between adjacent helical blades.

Description

Spliced spiral conveying shaft body

Technical Field

The application relates to the technical field of screw feeders, in particular to a spliced screw conveying shaft body.

Background

The spiral feeder is a machine which uses a motor to drive a spiral to rotate and push materials to achieve the purpose of conveying. The screw conveyor can horizontally, obliquely or vertically convey, and has the advantages of simple structure, small cross-sectional area, good sealing property, convenient operation, easy maintenance, convenient sealing and transportation and the like.

According to the different conditions, the condition that the conveying path is overlong can exist, and in the related art, the utility model patent with publication number of CN211997477U discloses a spliced spiral conveying shaft body, which comprises a plurality of shaft body units connected end to end in sequence, and spiral conveying shaft bodies with different lengths can be formed in a spliced mode, so that market demands can be met.

Aiming at the related art, the inventor considers that gaps are easy to appear at the splicing positions of the spiral blades on different shaft units in the splicing process, the matching precision between adjacent spiral blades is poor, the conveying effect on materials can be affected, meanwhile, in the splicing conveying shaft body use process, the spiral blades can be deformed by acting force, gaps are easy to appear at the splicing positions of the spiral blades on different shaft units, the matching precision between the adjacent spiral blades can be poor, and the conveying effect on materials can be affected.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent.

Therefore, an object of the present utility model is to provide a spliced screw conveyor shaft body, so as to improve the precision of the matching between the screw blades on different unit bodies.

In order to achieve the above object, a first aspect of the present utility model provides a spliced spiral conveying shaft body, which comprises a plurality of shaft body units spliced end to end, wherein each shaft body unit comprises a shaft tube, a spiral blade is arranged on the outer circumferential surface of each shaft tube, a splicing column is arranged at one end of each shaft tube, a splicing groove matched with the splicing column in a plugging manner is arranged at the other end of each shaft tube, a fastening assembly for realizing the fixed connection of the two is arranged between every two adjacent shaft body units, a positioning block is arranged on one end surface of each spiral blade, and a positioning groove matched with the positioning block in a plugging manner is arranged on the other end surface of each spiral blade.

When adjacent shaft units are spliced, the splicing columns are inserted into the splicing grooves, the shaft tubes are rotated, so that the positioning blocks are inserted into the positioning grooves, and then the adjacent shaft units are fixedly connected through the fastening components. Because peg graft the cooperation between locating piece and the constant head tank for be difficult for dislocation between the adjacent helical blade, simultaneously because between the adjacent helical blade physical fit, increased the structural strength between the helical blade, make helical blade be difficult for dislocation in the course of the work, improved the cooperation precision between the helical blade.

In addition, the spliced spiral conveying shaft body proposed according to the application can also have the following additional technical characteristics:

specifically, a plurality of regulation holes have been seted up on the perisporium of spliced pole, set up on the cell wall of spliced groove a plurality of with regulation hole complex splice hole, a plurality of regulation hole be circumference array arrange in on the perisporium of spliced pole, a plurality of splice hole be circumference array arrange in on the circumference cell wall of spliced groove, fastening assembly includes a plurality of first fastening bolt, first fastening bolt threaded connection in splice hole with in the regulation hole.

Specifically, the included angle range of the axes of the adjacent adjusting holes is any one of 10-20 degrees.

Specifically, the number of the splicing holes is less than the number of the adjusting holes, and the number of the splicing holes is at least 3.

Specifically, one side of the positioning block, which is far away from the spiral blade, is an arc surface.

Specifically, be provided with the splice plate on the one end face of helical blade, the splice plate is located helical blade keeps away from central siphon one side, be equipped with on the helical blade another terminal surface with splice gap of splice plate looks adaptation, fastening assembly includes the second fastening bolt, the second fastening bolt wears to locate the splice plate with splice gap's concatenation department.

Specifically, an elastic sealing gasket is arranged on one end face of the spiral blade.

Specifically, the splicing columns are in clearance fit with the splicing grooves.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a schematic view of a spliced structure of two sets of shaft units according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a single shaft unit structure according to one embodiment of the present utility model;

fig. 3 is a partial enlarged view of fig. 1 at a.

Reference numerals: 1. a shaft unit; 101. a shaft tube; 2. a helical blade; 3. splicing columns; 4. a splice groove; 5. a fastening assembly; 51. a first fastening bolt; 52. a second fastening bolt; 6. a positioning block; 7. a positioning groove; 8. an arc surface; 9. splice plates; 10. splicing the notch; 11. an elastic sealing gasket; 12. an adjustment aperture; 13. and (5) splicing holes.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model. On the contrary, the embodiments of the utility model include all alternatives, modifications and equivalents as may be included within the spirit and scope of the appended claims.

The spliced screw conveyor shaft body according to the embodiment of the present utility model is described below with reference to the accompanying drawings.

As shown in fig. 1 and fig. 2, a spliced spiral conveying shaft body 1 according to an embodiment of the present utility model may include a plurality of shaft body units 1 spliced end to end, where the shaft body units 1 may include a shaft tube 101, an outer circumferential surface of the shaft tube 101 is provided with a spiral blade 2, one end of the shaft tube 101 is provided with a spliced column 3, the other end of the shaft tube 101 is provided with a spliced groove 4 in a splicing fit with the spliced column 3, a fastening assembly 5 for realizing fixed connection between two adjacent shaft body units 1 is provided between the shaft body units, one end surface of the spiral blade 2 is provided with a positioning block 6, and the other end surface of the spiral blade 2 is provided with a positioning groove 7 in a splicing fit with the positioning block 6.

Wherein the splicing column 3 is welded on the shaft tube 101, and the splicing column 3 and the shaft tube 101 are kept coaxial; the positioning block 6 is welded on the helical blade 2. When splicing the adjacent shaft body units 1, the splicing columns 3 are inserted into the splicing grooves 4, and the shaft tube 101 is rotated, so that the positioning blocks 6 are inserted into the positioning grooves 7, and the fixed connection between the adjacent shaft body units 1 is realized through the fastening assemblies 5. After the positioning block 6 and the positioning groove 7 are in plug-in connection and matched, the matching precision between the adjacent spiral blades 2 is improved, and dislocation between the adjacent spiral blades 2 is not easy to occur.

Specifically, spliced pole 3 and splice groove 4 clearance fit, this kind of cooperation mode can enough guarantee the axiality between the adjacent axis body unit 1, also is convenient for demolish spliced axis body unit 1.

Specifically, as shown in fig. 2, the side surface of the positioning block 6 away from the spiral blade 2 is an arc surface 8, i.e. the positioning block 6 is semicircular; the positioning groove 7 is semicircular with the same outline as the positioning block 6. Since the positioning block 6 is inserted into the positioning groove 7 in the process of rotating the shaft unit 1, the circular arc surface 8 enables the positioning block 6 to slide into the positioning groove 7 more easily.

Specifically, as shown in fig. 2 and 3, the splice plate 9 is welded on the end surface of the side, close to the positioning groove 7, of the spiral blade 2, the splice plate 9 is located on the side, away from the shaft tube 101, of the spiral blade 2, the splice gap 10 matched with the splice plate 9 is formed in the end surface of the side, close to the positioning block 6, of the spiral blade 2, the fastening assembly 5 is mounted at the splice position of the splice plate 9 and the splice gap 10, so that rigid connection between the adjacent spiral blades 2 is achieved, the connection strength between the adjacent spiral blades 2 is improved, and dislocation between the adjacent spiral blades 2 is not easy to occur.

Specifically, as shown in fig. 2, an elastic sealing pad 11 is adhered to an end surface of one side of the spiral blade 2, which is close to the positioning block 6, by glue, when the spiral blade 2 is spliced, the adjacent spiral blade 2 can squeeze the elastic sealing pad 11, so that a gap is not easy to form at the splicing position of the adjacent spiral blade 2, and the splicing precision between the adjacent spiral blades 2 can be improved.

Specifically, as shown in fig. 1 and 2, a plurality of adjusting holes 12 are formed in the circumferential side wall of the spliced pole 3, and the included angle of the axes of the adjacent adjusting holes 12 is any value ranging from 10 degrees to 20 degrees. The plurality of adjusting holes 12 are arranged on the spliced pole 3 in a circumferential array. Specifically, in the present embodiment, the number of the adjustment holes 12 is 36, that is, the angle between adjacent adjustment holes 12 is 10 °. Splice holes 13 matched with the adjusting holes 12 are formed in the groove walls of the splice grooves 4, the splice holes 13 are circumferentially arrayed on the groove walls of the splice grooves 4, and the number of the splice holes 13 is 4.

Because the included angle between the adjusting holes 12 is smaller, when dislocation occurs between the helical blades 2, fine adjustment of the angle of the shaft tube 101 can be realized, the possibility that dislocation occurs to the helical blades 2 on different shaft units 1 in the splicing process is reduced, and the flexibility is improved. After the matching angle of the shaft body units 1 is adjusted, the fastening assembly 5 is installed in the adjusting hole 12 and the splicing hole 13, so that the shaft body units 1 are fixedly connected.

Specifically, as shown in fig. 1 and 3, the fastening assembly 5 includes a first fastening bolt 51 and a second fastening bolt 52, wherein the first fastening bolt 51 is screwed into the adjustment hole 12 and the splice hole 13, and the second fastening bolt 52 penetrates from the side wall of the splice plate 9 away from the splice gap 10 into the side wall at the splice gap 10. The bolts are easy to obtain, and the staff can conveniently disassemble and assemble the shaft body unit 1.

Specifically, in the actual implementation process, when splicing the adjacent shaft body units 1, the splicing column 3 is inserted into the splicing groove 4, the shaft tube 101 is rotated, the positioning block 6 is inserted into the positioning groove 7, one of the shaft body units 1 is rotated, the positioning block 6 is inserted into the positioning groove 7, the splice plate 9 is attached to the splice gap 10, the worker installs the first fastening bolt 51 in the adjusting hole 12 and the splice hole 13, and then installs the second fastening bolt 52 at the joint of the splice plate 9 and the splice gap 10, so that the fixed connection of the adjacent shaft body units 1 is realized.

In summary, the spliced spiral conveying shaft body improves the matching precision of the spiral blades on different unit bodies.

In the description of this specification, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (8)

1. The utility model provides a concatenation formula screw conveying axis body, includes the axis body unit of a plurality of end-to-end splices, and axis body unit includes the central siphon, and the outer periphery of central siphon is provided with helical blade, its characterized in that: one end of the shaft tube is provided with a splicing column, and the other end of the shaft tube is provided with a splicing groove in splicing fit with the splicing column;

a fastening assembly for realizing the fixed connection of the two adjacent shaft body units is arranged between the two adjacent shaft body units;

a positioning block is arranged on one end face of the spiral blade, and a positioning groove which is in plug-in fit with the positioning block is formed in the other end face of the spiral blade.

2. The spliced screw conveyor shaft according to claim 1, wherein: a plurality of regulation holes have been seted up on the perisporium of spliced pole, set up on the cell wall of spliced groove a plurality of with regulation hole complex splice hole, a plurality of the regulation hole be circumference array arrange in on the perisporium of spliced pole, a plurality of splice hole be circumference array arrange in on the circumference cell wall of spliced groove, fastening assembly includes a plurality of first fastening bolt, first fastening bolt threaded connection in splice hole with in the regulation hole.

3. The spliced screw conveyor shaft according to claim 2, wherein: the included angle range of the axis included angles of the adjacent adjusting holes is any value of 10-20 degrees.

4. A spliced screw conveyor shaft according to claim 2 or 3, characterized in that: the number of the splicing holes is less than that of the adjusting holes, and the number of the splicing holes is at least 3.

5. The spliced screw conveyor shaft according to claim 1, wherein: one side of the positioning block, which is far away from the spiral blade, is an arc surface.

6. The spliced screw conveyor shaft according to claim 1, wherein: be provided with the splice plate on helical blade's the terminal surface, the splice plate is located helical blade keeps away from central siphon one side, be equipped with on helical blade's the other terminal surface with splice breach of splice plate looks adaptation, fastening assembly includes the second fastening bolt, the second fastening bolt wears to locate the splice plate with splice department of splice breach.

7. The spliced screw conveyor shaft according to claim 1, wherein: an elastic sealing gasket is arranged on one end face of the spiral blade.

8. The spliced screw conveyor shaft according to claim 1, wherein: the spliced pole with splice groove clearance fit.

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