CN208686752U - A kind of pressing device of pressure roller assembly - Google Patents
A kind of pressing device of pressure roller assembly Download PDFInfo
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- CN208686752U CN208686752U CN201821192553.1U CN201821192553U CN208686752U CN 208686752 U CN208686752 U CN 208686752U CN 201821192553 U CN201821192553 U CN 201821192553U CN 208686752 U CN208686752 U CN 208686752U
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- pressure roller
- level
- swelling
- stop collar
- roller shaft
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Abstract
The utility model discloses a kind of pressing devices of pressure roller assembly, belong to the clamping field of workpiece, it is intended to provide a kind of pressing device of the pressure roller assembly of stable structure, its key points of the technical solution are that, including pressing plate, pressure roller shaft and swelling component, several are distributed with by symmetrical centre circumference array of pressing plate center in the pressure roller shaft, the swelling component includes the inner conical drogue being set in pressure roller shaft, the external conical sleeve being set on inner conical drogue and the stop collar for carrying out axial compression to inner conical drogue and external conical sleeve, the pressure roller shaft is divided into the hold-down segment abutted with pressing plate along axial direction, the level-one swelling section abutted with external conical sleeve and the second level swelling section abutted with stop collar, the hold-down segment, the diameter of axle of level-one swelling section and second level swelling section reduces step by step, the second level swelling section is threaded with the circle abutted with stop collar far from the side of level-one swelling section Compression plate.The utility model is installed suitable for axis body.
Description
Technical field
The utility model relates to extruder installation, in particular to a kind of pressing device of pressure roller assembly.
Background technique
In Feed Manufacturing, extruder is mainly used for squeezing treated feedstuff into strips or sheet, then after
Continuous technique forms granular feed product.Extruder generally uses roller, and pressure roller roll body is mounted in pressure roller shaft, pressure roller shaft
It is connect between pressure roller by bearing, several pressure roller shafts for being equipped with pressure roller roll body are fixedly mounted on pressure in a manner of centrosymmetric
On plate, pressing plate is driven by shaft rotates that several pressure roller shafts is driven to rotate around pressing plate center around center, and material is by pressure roller roll body
Between extruding and form specific shape.
In the prior art, generally by screw threads for fastening between pressure roller shaft and pressing plate, in the actual production process, due to manufacture
The objective reality of error, only relies on screw threads for fastening, and in extruder work, axial phase is easy to produce between pressure roller shaft and pressing plate
To movement, so that noise when extruder works increases, while the internal structure of extruder may also be because of between component
Damaged with respect to sliding, reduce the service life of machine.
Utility model content
The purpose of the utility model is to provide a kind of pressing devices of pressure roller assembly, have the advantages that stable structure.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of pressing device of pressure roller assembly, including pressing plate, pressure roller shaft and swelling component, the pressure roller shaft is with pressing plate center
Several are distributed with for symmetrical centre circumference array, the swelling component includes the inner conical drogue being set in pressure roller shaft and is set in
External conical sleeve on inner conical drogue.The stop collar for carrying out axial compression to inner conical drogue and external conical sleeve, institute are equipped on the outside of swelling component
Pressure roller shaft is stated along axial direction to be divided into the hold-down segment abutted with pressing plate, the level-one swelling section that abuts with inner conical drogue and support with stop collar
The second level swelling section connect, the diameter of axle of the hold-down segment, level-one swelling section and second level swelling section reduce step by step, the second level swelling section
Side far from level-one swelling section is threaded with the circular compression plate abutted with stop collar.
By using above-mentioned technical proposal, compression plate applies stop collar axial by being threadably mounted in pressure roller shaft
Pressure, stop collar to swelling component apply axial compressive force so that swelling component generated between pressing plate and pressure roller shaft respectively it is huge
Pressure and generate frictional force, realize being tightly linked between pressing plate and pressure roller shaft.Compared with traditional key connection, swelling component
Setting so that higher to the heart degree when installation, and uniformly transfer combined load on inner conical drogue and external conical sleeve surface, it is whole
Intensity is higher, is coupled more reliable and more stable.
Further, several threaded holes, the screw thread are shown by center Circle-Array of the compression plate center of circle on the compression plate
Flat head screw is threaded in hole, one side of the flat head screw with stop collar close to compression plate abuts.
By using above-mentioned technical proposal, when flat head screw is constantly tightened in threaded hole, the constantly external tapered sleeve of stop collar
Apply axial pressure, the inclined-plane of external conical sleeve applies the pressure perpendicular to inner conical drogue inclined-plane to the inclined-plane of inner conical drogue, inner conical drogue
The pressure that inclined-plane is subject to constantly compresses inner conical drogue to the first swelling section, the reaction force of the external tapered sleeve of inner conical drogue by external conical sleeve to
It is constantly compressed at pressing plate, so that huge enclasping force is generated between pressing plate and pressure roller shaft, with persistently tightening for flat head screw, pressure
Enclasping force between plate and pressure roller shaft constantly increases.
Further, it is equipped with the annular projection abutted with external conical sleeve bottom in the middle part of the stop collar, the annular projection
Width is less than or equal to the distance of pressing plate to level-one swelling section.
By using above-mentioned technical proposal, the setting of annular projection can further be compressed swelling component, thus
Further increase the enclasping force between pressing plate and pressure roller shaft.
Further, it is equipped with level-one between one side and compression plate of the stop collar far from swelling component and compresses gap.
By using above-mentioned technical proposal, level-one compresses gap and provides enough compression skies for flat head screw compression stop collar
Between, operator can according to need the depth by changing flat head screw screw-in compression plate to change the width that level-one compresses gap
Degree obtains suitable compression effect to change flat head screw to the pressing force size of stop collar.
Further, the stop collar is divided by boundary of annular projection close to pressure roller shaft close to the one side of swelling component
The junction of the outer end face of inner face and separate pressure roller shaft, the level-one swelling section and second level swelling section is equipped with interface, described
It is equipped with second level of same size between interface and inner face, between the pressing plate and outer end face and compresses gap.
By using above-mentioned technical proposal, second level compresses gap and provides enough compressions for annular projection compression swelling component
Space, operator can according to need, and the depth by changing flat head screw screw-in compression plate compresses gap to change second level
Width obtain and suitable compress effect to change stop collar to the pressing force of expansion sleeve.
Further, several are axially distributed with along pressure roller shaft in level-one swelling section in the swelling component, several described
It is mutually abutted between swelling component.
By using above-mentioned technical proposal, when the length of level-one swelling section is longer, effect is preferably compressed to obtain, it can
Continuous multiple swelling components are arranged, meet different installation requirements.
Further, the limit ring surface is equipped with auxiliary pickup hole, the auxiliary pickup hole close to the side of compression plate
Interior to be equipped with screw thread, the auxiliary pickup hole is mating to be provided with auxiliary pickup bar, and one end of the auxiliary pickup bar is equipped with and auxiliary
The external screw thread of pickup hole adaptation.
By using above-mentioned technical proposal, when being dismantled to stop collar, the protruding block and level-one swelling section of stop collar
There is friction between pressing plate, may will form and be difficult to the case where removing stop collar.Auxiliary pickup bar can be screwed in auxiliary at this time
In pickup hole, auxiliary pickup bar is pulled to pull out stop collar.
Further, the auxiliary pickup bar is equipped with rubber sleeve far from the one end in auxiliary pickup hole.
Rubber sleeve can increase operator's hand and assist the friction between pickup bar, facilitate pull-out pickup.
In conclusion the utility model has the following beneficial effects:
1. passing through the setting of swelling component, stop collar and compression plate, can play fixed between realization pressure roller shaft and pressing plate
Effect；
2. passing through the setting of flat head screw and annular projection, it can play and be continuously the pressing force that swelling component applies axial direction
To improve the effect of structural stability；
3. the effect for facilitating pressure roller shaft to dismantle can be played by the setting in auxiliary pickup hole and auxiliary pickup bar.
Detailed description of the invention
Fig. 1 is the overall structure diagram of pressure roller assembly in the present embodiment, for embodying pressure roller roll body, pressure roller shaft and pressing plate
Between connection relationship；
Fig. 2 is the diagrammatic cross-section of pressure roller assembly in the present embodiment, for embodying in pressure roller roll body, pressure roller shaft and pressing plate
Portion's structure；
Fig. 3 is the enlarged diagram in the portion A in Fig. 2, for embodying between pressure roller shaft, swelling component, stop collar and compression plate
Connection relationship；
Fig. 4 be in this implementation assist pickup bar partial schematic diagram, for embody auxiliary pickup hole and auxiliary pickup bar it
Between connection relationship.
In figure, 1, pressure roller roll body；2, transmission shaft；3, pressing plate；4, pressure roller shaft；41, hold-down segment；42, level-one swelling section；43,
Second level swelling section；44, interface；5, swelling component；51, inner conical drogue；52, external conical sleeve；6, stop collar；61, annular projection；62,
Inner face；63, outer end face；64, level-one compresses gap；65, second level compresses gap；66, pickup hole is assisted；7, compression plate；71, spiral shell
Pit；72, flat head screw；8, pickup bar is assisted；81, external screw thread；82, rubber sleeve.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Wherein identical components are presented with like reference characters.It should be noted that word used in the following description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and
"outside" refers respectively to the direction towards or away from geometric center of specific component.
A kind of pressing device of pressure roller assembly, as shown in Figure 1, referring to fig. 2 including pressure roller shaft 4(), pressure roller roll body 1, pressing plate 3
With transmission shaft 2, transmission shaft 2 is arranged at 3 center of pressing plate and can carry out fixed-axis rotation with dynamic pressure plate 3.Pressure roller shaft 4 is equipped with several
It is a, and circumference array is threaded through 3 weeks edges of pressing plate, in the present embodiment, the quantity of pressure roller shaft 4 is 3, between pressure roller shaft 4 and pressing plate 3
Relative position fix, pressure roller shaft 4 under the action of transmission shaft 2, with 2 axis of transmission shaft carry out fixed-axis rotation.Pressure roller roll body 1 exists
Position in 4 axial direction of pressure roller shaft is fixed and is rotatablely connected between pressure roller shaft 4, is equipped between several pressure roller roll bodies 1, material
Can between pressure roller roll body 1 extrusion forming.
As shown in figure 3, being embedded with swelling component 5 between pressure roller shaft 4 and pressing plate 3, swelling component 5 includes being set in pressure roller shaft
Inner conical drogue 51 on 4, the external conical sleeve 52 being set on inner conical drogue 51 and for carrying out axial pressure to inner conical drogue 51 and external conical sleeve 52
Tight stop collar 6.Pressure roller shaft 4 is divided into that the hold-down segment 41 abutted with pressing plate 3, the level-one abutted with external conical sleeve 52 is swollen along axial direction
Tight section 42 and the second level swelling section 43 abutted with stop collar 6, the hold-down segment 41, level-one swelling section 42 and second level swelling section 43
The diameter of axle reduces step by step.When level-one swelling 42 length of section are longer, effect is preferably compressed to obtain, can be set continuous multiple
The swelling component 5 mutually abutted, meets different installation requirements.Side screw thread of the second level swelling section 43 far from level-one swelling section 42
It is connected with the circular compression plate 7 abutted with stop collar 6.It shows on compression plate 7 using 7 center of circle of compression plate as center Circle-Array several
Threaded hole 71 is threaded with flat head screw 72 in threaded hole 71, and flat head screw 72 and stop collar 6 are close to the one of compression plate 7
Face abuts.
As shown in figure 3, being equipped with the annular projection 61 abutted with 52 bottom of external conical sleeve, the ring-type in the middle part of the stop collar 6
The width of protrusion 61 is less than or equal to the distance of pressing plate 3 to level-one swelling section 42.The setting of annular projection 61 can be further right
Swelling component 5 is compressed.It is equipped with level-one between the one side of the stop collar 6 far from swelling component 5 and compression plate 7 and compresses gap
64.The stop collar 6 with annular projection 61 is that boundary is divided into inner face 62 close to pressure roller shaft 4 close to the one side of swelling component 5
With the outer end face 63 far from pressure roller shaft 4, the junction of the level-one swelling section 42 and second level swelling section 43 is equipped with interface 44, institute
It states between interface 44 and inner face 62, be equipped with second level compression gap of same size between the pressing plate 3 and outer end face 63
65.It is that the compression stop collar 6 of flat head screw 72 provides enough compression spaces that level-one, which compresses gap 64, and it is ring that second level, which compresses gap 65,
Shape protrusion 61 compresses swelling component 5 and provides enough compression spaces, and operator can according to need by changing flat head screw
The depth of 72 screw-in compression plates 7 compresses the width in gap 65 to change level-one compression gap 64 and second level, so that acquirement is more suitable
Compression effect.
As shown in figure 4, limit ring surface close to compression plate 7(referring to Fig. 3) side be equipped with auxiliary pickup hole 66, auxiliary takes
Be equipped with screw thread in part hole 66, auxiliary pickup hole 66 is mating to be provided with auxiliary pickup bar 8, one end of auxiliary pickup bar 8 be equipped with it is auxiliary
The external screw thread 81 for helping pickup hole 66 to be adapted to, auxiliary pickup bar 8 are equipped with rubber sleeve 82 far from the one end in auxiliary pickup hole 66.To limit
When position ring 6 is dismantled, there is friction between the protruding block and level-one swelling section 42 and pressing plate 3 of stop collar 6, difficulty may be will form
The case where to remove stop collar 6.Auxiliary pickup bar 8 can be screwed in auxiliary pickup hole 66 at this time, pull auxiliary pickup bar 8 that will limit
Position ring 6 pulls out, and rubber sleeve 82 can increase friction, facilitate pull-out pickup.
Specific implementation process: when installing to pressure roller shaft 4, being first inserted into the corresponding position on pressing plate 3 for pressure roller shaft 4, so that
Hold-down segment 41 is bonded with pressing plate 3, is built into inner conical drogue 51 in level-one swelling section 42, and external conical sleeve 52 is placed in outside inner conical drogue 51.It will
Stop collar 6 is set in pressure roller shaft 4 and is bonded with second level swelling section 43, and the annular projection 61 of stop collar 6 is abutted with external conical sleeve 52,
There are second levels to compress gap 65 between stop collar 6 and pressing plate 3.It will be threadedly coupled, rotatably compress between compression plate 7 and pressure roller shaft 4
Disk 7 moves axially compression plate 7 towards stop collar 6, and there are between level-one compression between 6 surface of compression plate 7 and stop collar
Gap 64.
Compression plate 7 is threadably mounted in pressure roller shaft 4, and compression plate 7 applies axial compressive force to stop collar 6, and stop collar 6 is to swelling
Component 5 applies axial compressive force, so that swelling component 5 generates huge pressure and friction between pressing plate 3 and pressure roller shaft 4 respectively
Power realizes being tightly linked between pressing plate 3 and pressure roller shaft 4.Compared with traditional key connection, the setting of swelling component 5 is so that peace
It is higher to the heart degree when dress, and combined load is uniformly transferred on 52 surface of inner conical drogue 51 and external conical sleeve, whole intensity is higher,
It is coupled more reliable and more stable.
Flat head screw 72 is screwed on compression plate 7 in corresponding threaded hole 71 again, until flat head screw 72 and 6 table of stop collar
Face abuts.When flat head screw 72 is constantly tightened in threaded hole 71, constantly externally tapered sleeve 52 applies towards pressing plate 3 stop collar 6
Pressure, the inclined-plane of external conical sleeve 52 apply the pressure on the inclined-plane perpendicular to inner conical drogue 51 to the inclined-plane of inner conical drogue 51, inner conical drogue 51
The pressure that inclined-plane is subject to constantly compresses inner conical drogue 51 to the first swelling section, and the reaction force of the external tapered sleeve 52 of inner conical drogue 51 will be outer
Tapered sleeve 52 is to constantly compressing at pressing plate 3, so that huge enclasping force is generated between pressing plate 3 and pressure roller shaft 4, with flat head screw 72
Persistently tighten, the enclasping force between pressing plate 3 and pressure roller shaft 4 constantly increases.The setting of annular projection 61 can be further to swollen
Tight component 5 is compressed, to further increase the enclasping force between pressing plate 3 and pressure roller shaft 4.
When needing to dismantle pressure roller shaft 4, now the flat head screw 72 in compression plate 7 is screwed out, then by compression plate 7 from pressure
It is screwed off on roll shaft 4, then by assisting pickup bar 8 to remove stop collar 6, swelling component 5 is no longer influenced by stop collar 6 upper annular protrusion
61 pressuring action is mutually disengaged between inner conical drogue 51 and external conical sleeve 52, after removing pressure roller shaft 4 with can be convenient and continuing
Continuous demounting procedure.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of pressing device of pressure roller assembly, including pressing plate (3), pressure roller shaft (4) and swelling component (5), the pressure roller shaft (4)
Several are distributed with using pressing plate (3) center as symmetrical centre circumference array, the swelling component (5) includes being set in pressure roller shaft
(4) inner conical drogue (51) on and the external conical sleeve (52) being set on inner conical drogue (51) are equipped with for internal on the outside of swelling component (5)
Tapered sleeve (51) and external conical sleeve (52) carry out the stop collar (6) of axial compression, and the pressure roller shaft (4) is divided into along axial direction and pressing plate
(3) hold-down segment (41) abutted, the level-one swelling section (42) abutted with inner conical drogue (51) and the second level abutted with stop collar (6) are swollen
Tight section (43), the diameter of axle of the hold-down segment (41), level-one swelling section (42) and second level swelling section (43) reduce step by step, and feature exists
In: the second level swelling section (43) is threaded with the circle abutted with stop collar (6) far from the side of level-one swelling section (42)
Compression plate (7).
2. a kind of pressing device of pressure roller assembly according to claim 1, it is characterised in that: on the compression plate (7) with
Compression plate (7) center of circle is that center Circle-Array is shown several threaded holes (71), is threaded with tack in the threaded hole (71)
Screw (72), one side of the flat head screw (72) with stop collar (6) close to compression plate (7) abut.
3. a kind of pressing device of pressure roller assembly according to claim 2, it is characterised in that: in the middle part of the stop collar (6)
Equipped with the annular projection (61) abutted with external conical sleeve (52) bottom, the width of the annular projection (61) is less than or equal to pressing plate
(3) to the distance of level-one swelling section (42).
4. a kind of pressing device of pressure roller assembly according to claim 3, it is characterised in that: the stop collar (6) is separate
It is equipped with level-one between the one side of swelling component (5) and compression plate (7) and compresses gap (64).
5. a kind of pressing device of pressure roller assembly according to claim 4, it is characterised in that: the stop collar (6) is close
The one side of swelling component (5) is that boundary is divided into close to the inner face (62) of pressure roller shaft (4) and far from pressure roller with annular projection (61)
The junction of the outer end face (63) of axis (4), the level-one swelling section (42) and second level swelling section (43) is equipped with interface (44), institute
It states between interface (44) and inner face (62), be equipped with second level of same size between the pressing plate (3) and outer end face (63)
It compresses gap (65).
6. a kind of pressing device of pressure roller assembly according to claim 1, it is characterised in that: the swelling component (5) exists
Several axially are distributed with along pressure roller shaft (4) in level-one swelling section (42), is mutually abutted between several swelling components (5).
7. a kind of pressing device of pressure roller assembly according to claim 3, it is characterised in that: stop collar (6) surface
It is equipped with auxiliary pickup hole (66) close to the side of compression plate (7), is equipped with screw thread in the auxiliary pickup hole (66), the auxiliary takes
Part hole (66) is mating to be provided with auxiliary pickup bar (8), and one end of auxiliary pickup bar (8) is equipped with suitable with auxiliary pickup hole (66)
The external screw thread (81) matched.
8. a kind of pressing device of pressure roller assembly according to claim 7, it is characterised in that: the auxiliary pickup bar (8)
One end far from auxiliary pickup hole (66) is equipped with rubber sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821192553.1U CN208686752U (en) | 2018-07-25 | 2018-07-25 | A kind of pressing device of pressure roller assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821192553.1U CN208686752U (en) | 2018-07-25 | 2018-07-25 | A kind of pressing device of pressure roller assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208686752U true CN208686752U (en) | 2019-04-02 |
Family
ID=65882536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821192553.1U Active CN208686752U (en) | 2018-07-25 | 2018-07-25 | A kind of pressing device of pressure roller assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208686752U (en) |
-
2018
- 2018-07-25 CN CN201821192553.1U patent/CN208686752U/en active Active
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