CN202659869U - Convenient-to-repair twin-screw speed reducer - Google Patents
Convenient-to-repair twin-screw speed reducer Download PDFInfo
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- CN202659869U CN202659869U CN 201220088433 CN201220088433U CN202659869U CN 202659869 U CN202659869 U CN 202659869U CN 201220088433 CN201220088433 CN 201220088433 CN 201220088433 U CN201220088433 U CN 201220088433U CN 202659869 U CN202659869 U CN 202659869U
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- speed reducer
- gear
- bearing
- screw
- shaft
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Abstract
The utility model relates to a convenient-to-repair twin-screw speed reducer which comprises a reduction box and a distribution box. The distribution box is formed in a manner that an upper distribution box body and a lower distribution box body are arranged along an intermediate axis dissection surface and a one-axis input and a two-axis output are arranged; and the distribution box comprises the upper distribution box body and the lower distribution box body. Thus, the problems of inconvenience in moving, inconvenience in dismounting and large floor space caused by the existing integral type box body design are solved, and the advantages of convenience in repair, compact structure and small floor space are achieved. A one-axis transmission structure is arranged between the reduction box and the distribution box, a reduction box part and a distribution box part are connected together by the one-axis transmission structure, and the effects of intermediate transition connecting link reduction and intermediate link connection failure reduction are achieved, so that the convenient-to-repair twin-screw speed reducer has the advantages that the transmission locating accuracy is improved, the transmission efficiency is increased, and the structure is compact.
Description
[technical field]
The utility model relates to a kind of machinery, specifically refers to a kind of Double-screw speed reducer of being convenient to keep in repair for multiple non-metallic material processing aspect.
[background technique]
Various plastics, wood are moulded the machinery that property-modifying additive, chemical assistant etc. mix plasticizing forming processing in the prior art, most of machinery all is to adopt speed reducer to realize actuation, however this speed reducer all by two independently the transmission speed reducer be combined into distributing speed reducer.Because the transmission speed reducer separates separately design with the distribution speed reducer, causes easily that its floor space is larger, the transmission Location accuracy is low and maintenance operation is extremely difficult.
[model utility content]
The utility model technical purpose be provide a kind of in order to solve the problem that above-mentioned prior art exists and improve the transmission Location accuracy, reduce floor space, the Double-screw speed reducer of being convenient to keep in repair of easy to maintenance and compact structure.
In order to realize above-mentioned technical purpose, the utility model provides a kind of Double-screw speed reducer of being convenient to keep in repair, comprise distributor case, speed reducer two large divisions, described distributor case is that the middle shaft axis in edge by distributor case upper box and distributor case lower box combines, rationally be provided with the needed coniskoid of axle input diaxon output function, the bearing arrangement that bears radial and axial power, spacer, Sealing etc. at box house; Existing like product distributor case all is integrated type.
According to above-mentioned technical characteristics, described speed reducer by the deceleration upper box, slow down in casing and deceleration lower box be combined into, make by appropriate design that stage-geared obtains ingenious layout in the speed reducer, solved the accessory problem that brings behind distributor case employing split type structure; The distributor case of these three sections speed reduceres and subdivision structure forms Double-screw speed reducer, convenient disassembly, and online detachable maintaining.
According to above-mentioned technical characteristics, the pioneering shaft type drive mechanism that designed between described speed reducer and the distributor case, namely for directly extended to the input shaft of distributor case by reduction gearbox output shaft, original diaxon is united two into one, removed required intermediate junction device between the two, cause two independently the transmission device of difference in functionality couple together its compact structure, transmission accuracy height and failure rate is low; These three key characters make the Double-screw speed reducer that newly designs create a kind of brand-new speed reducer operating structure, greatly facilitate the maintenance of product, have also improved the transmission efficiency of speed reducer, save the energy.
According to above-mentioned technical characteristics, a described shaft type drive mechanism comprise the initiative drive shaft mechanism that is arranged at distributor case inside and with the driven driving shaft mechanism of the mutual meshing transmission of initiative drive shaft mechanism; Described initiative drive shaft mechanism comprises tertiary gear, be installed on the rigid bearing of tertiary gear one end, be installed on the tertiary gear other end long splined shaft, be installed on long splined shaft periphery long spline thrust-bearing, be installed on the long splined shaft and be positioned at the left coniskoid of the long spline thrust-bearing the other end and the driving screw shaft that is installed on the left coniskoid the other end; Described driven driving shaft mechanism comprises the short splined shaft, the short spline thrust-bearing that is installed on short splined shaft periphery that are arranged at long splined shaft flush position place, be installed on the short splined shaft be positioned at the short spline thrust-bearing the other end with left coniskoid mutually meshing right coniskoid and the driven screw axis that is installed on right coniskoid one end.
According to above-mentioned technical characteristics, the bottom of described speed reduction lower case body is provided with the support foot pad that directly contacts with ground around the speed reducer bottom of being arranged at for fixation, and the upper end of described speed reduction lower case body offers respectively the screw mounting hole that makes things convenient for mounting screw when interconnecting with the speed reducer casing; Box house is provided be used to the lower tertiary gear accepting groove of accommodating tertiary gear lower half portion in the described speed reducer, and the two ends of this time tertiary gear accepting groove offer respectively be used to the lower semi-circle arc fluting of accommodating rigid bearing and long spline thrust-bearing lower half portion; Described speed reducer upper box inside is provided with the upper tertiary gear accepting groove for tertiary gear upper half part, and tertiary gear accepting groove two ends offer respectively the upper semi-circle arc fluting be used to the upper half part of accommodating rigid bearing and long spline thrust-bearing on this.
According to above-mentioned technical characteristics, described distributor case lower box is to be that hollow rectangular case consists of by the center, described rectangular case center of inside position is provided with the lower gear accepting groove be used to the lower half portion of accommodating left coniskoid and right coniskoid, one end of this lower gear accepting groove is provided with the lower bearing accepting groove be used to the lower half portion of accommodating long spline thrust-bearing and short spline thrust-bearing, the other end of this lower gear accepting groove be provided be used to accommodate driving screw shaft and driven screw axis the lower screw axis accepting groove of lower half portion; Described rectangular case outer wall one end offers the lower shrinkage pool for screw easy for installation.
According to above-mentioned technical characteristics, described distributor case upper box is to be that hollow rectangular case consists of by the center, described rectangular case center of inside position is provided with the accepting groove that cogs be used to the upper half part of accommodating left coniskoid and right coniskoid, one end of this accepting groove that cogs is provided with the lower bearing accepting groove be used to the upper half part of accommodating long spline thrust-bearing and short spline thrust-bearing, the other end of this accepting groove that cogs be provided be used to accommodate driving screw shaft and driven screw axis the lower screw axis accepting groove of upper half part; Described rectangular case outer wall one end offers the upper concave hole for screw easy for installation.
According to above-mentioned technical characteristics, described speed reducer inside is provided with the multi-stage gear mechanism mutual meshing with tertiary gear.
According to above-mentioned technical characteristics, multi-stage gear mechanism comprise the input shaft that directly is connected with motor, with input shaft mutually meshing one-level gear, be installed on secondary gear axle on the one-level gear, mutual meshing with the one-level gear time also with the mutual meshing tertiary gear axle of tertiary gear and be installed on secondary gear on the tertiary gear axle.
Useful technique effect of the present utility model: because described distributor case is to be made of with distributing lower box, mode that form along middle axle center split surface and that the output of axle input diaxon is set the distributor case upper box, described speed reducer is combined into by casing and deceleration lower box in deceleration upper box, the deceleration, has avoided occuring because existing all-in-one-piece cabinet design causes mobile speed reducer inconvenience, dismounting inconvenience and the large problem of floor space.During maintenance, do not need to move screw barrel and mobile speed reducer, only need dismounting speed reducer or distributor case appropriate section corresponding part is keeped in repair get final product, so reach easy to maintenance, compact structure and the little useful technique effect of floor space.Described distributor case inside also is provided with a shaft type drive mechanism that is connected with distributor case for multi-stage gear mechanism again, this shaft type drive mechanism comprise with the meshing initiative drive shaft mechanism that is connected of multi-stage gear mechanism and with the driven driving shaft mechanism of the mutual meshing transmission of initiative drive shaft mechanism; This initiative drive shaft mechanism one end directly is connected with multi-stage gear mechanism, rotate in machine barrel and the initiative drive shaft mechanism the other end directly is connected with driving screw shaft and drive driving screw shaft, drive also simultaneously that driven screw axis rotates at machine barrel, form a shaft type kind of drive, so that speed reducer part and distributor case are partly connected, reduce the middle transition connecting link and reduce medium tache and connect fault, the purpose that therefore reach raising transmission Location accuracy, improves transmission efficiency, compact structure and save the energy.
For the purpose of this utility model, structure characteristics and function thereof are had further understanding, hereby cooperate accompanying drawing to be described in detail as follows:
[description of drawings]
Fig. 1 be the Double-screw speed reducer being convenient to keep in repair in the utility model one of stereogram;
Fig. 2 be the Double-screw speed reducer being convenient to keep in repair in the utility model two stereograms;
Fig. 3 is the three-dimensional exploded view of the Double-screw speed reducer being convenient to keep in repair in the utility model;
[embodiment]
See also Fig. 1 to shown in Figure 3, illustrate that below in conjunction with embodiment the utility model provides a kind of Double-screw speed reducer of being convenient to keep in repair, the multi-stage gear mechanism that is positioned at a shaft type drive mechanism lower end that it comprises speed reducer, distributor case, is arranged at a shaft type drive mechanism of distributor case inside and is arranged at deceleration box inside.
Multi-stage gear mechanism comprise the input shaft 1 that directly is connected with motor, with input shaft 1 mutually meshing one-level gear 2, be installed on secondary gear axle 3 on the one-level gear 2, mutual meshing with one-level gear 2 time also with the mutual meshing tertiary gear axle 5 of tertiary gear 7 and be installed on secondary gear 6 on the tertiary gear axle 5.
A described shaft type drive mechanism comprise with the meshing initiative drive shaft mechanism that is connected of multi-stage gear mechanism and with the driven driving shaft mechanism of the mutual meshing transmission of initiative drive shaft mechanism.Described initiative drive shaft mechanism comprise with multi-stage gear mechanism mutually meshing tertiary gear 7, be installed on tertiary gear 7 one ends rigid bearing 8, be installed on tertiary gear 7 other ends long splined shaft 9, be installed on long splined shaft 9 peripheries long spline thrust-bearing 10, be installed on driving screw shaft 12 on the long splined shaft 9 and that be positioned at the left coniskoid 11 of long spline thrust-bearing 10 the other ends and be installed on left coniskoid 11 the other ends.Described driven driving shaft mechanism comprises the short splined shaft 13, the short spline thrust-bearing 14 that is installed on short splined shaft 13 peripheries that are arranged at long splined shaft 9 flush position places, be installed on the short splined shaft 13 be positioned at short spline thrust-bearing 14 the other ends with left coniskoid 11 mutually meshing right coniskoid 16 and the driven screw axis 17 that is installed on right coniskoid 16 1 ends.
Described speed reducer comprises speed reducer casing 19 and the speed reducer upper box 20 that tertiary gear 7 and tertiary gear axle 5 are accommodated in installation that be used for that installation is accommodated the speed reduction lower case body 18 of multi-stage gear mechanism, is installed on speed reduction lower case body 18 upper ends that be used for that directly contacts with ground.Described distributor case comprises distributor case lower box 21 and the distribution upper box 22 that cooperatively interacts with distributor case lower box 21.
The bottom of described speed reduction lower case body 18 is provided with the support foot pad 181 that directly contacts with ground around the speed reducer bottom of being arranged at for fixation, and the upper end of described speed reduction lower case body 18 offers respectively the screw mounting hole 182 that makes things convenient for mounting screw when interconnecting with speed reducer casing 19; Casing 19 inside are provided with the lower tertiary gear accepting groove be used to the lower half portion of accommodating tertiary gear 7 in the described speed reducer, and the two ends of this time tertiary gear accepting groove offer respectively the lower semi-circle arc fluting be used to the lower half portion of accommodating rigid bearing 8 and long spline thrust-bearing 10.Described speed reducer upper box 20 inside are provided with the upper tertiary gear accepting groove for upper half part of tertiary gear 7, and tertiary gear accepting groove two ends offer respectively the upper semi-circle arc fluting be used to the upper half part of accommodating rigid bearing 8 and long spline thrust-bearing 10 on this.Described distributor case lower box 18 is to be that hollow rectangular case consists of by the center, described rectangular case center of inside position is provided with the lower gear accepting groove be used to the lower half portion of accommodating left coniskoid 11 and right coniskoid 16, one end of this lower gear accepting groove is provided with the lower bearing accepting groove be used to the lower half portion of accommodating long spline thrust-bearing 10 and short spline thrust-bearing 14, the other end of this lower gear accepting groove be provided be used to accommodate driving screw shaft 12 and driven screw axis 17 the lower screw axis accepting groove of lower half portion.Described rectangular case outer wall one end offers the lower shrinkage pool for screw easy for installation.Described distributor case upper box 22 is to be that hollow rectangular case consists of by the center, described rectangular case center of inside position is provided with the accepting groove that cogs be used to the upper half part of accommodating left coniskoid 11 and right coniskoid 16, one end of this accepting groove that cogs is provided with the lower bearing accepting groove be used to the upper half part of accommodating long spline thrust-bearing 10 and short spline thrust-bearing 14, the other end of this accepting groove that cogs be provided be used to accommodate driving screw shaft 12 and driven screw axis 17 the lower screw axis accepting groove of upper half part; Described rectangular case outer wall one end offers the upper concave hole for screw easy for installation.
Described speed reduction lower case body 18 lower ends directly contact with ground, casing 19 is installed on speed reduction lower case body 18 upper ends in the described speed reducer, described speed reducer upper box 20 is installed on casing 19 upper ends in the described speed reducer, and a total end of described distributor case upper box 22 and distributor case lower box 21 is installed on an end face of casing 19 in speed reducer upper box 22 speed reduceres.Multi-stage gear mechanism is installed on speed reduction lower case body 21 inside, and described initiative drive shaft mechanism one end is installed in the tertiary gear accepting groove that the upper tertiary gear accepting groove on the lower tertiary gear accepting groove on the casing 19 and speed reducer upper box 20 forms in the speed reducer.The described initiative drive shaft mechanism the other end is installed in the space that distributor case upper box 22 and distributor case lower box 21 form.
Described input shaft 1 one ends are connected with motor, and described input shaft 1 the other end and one-level gear 2 are mutually meshing.Secondary gear 6 is mutually meshing with the secondary gear axle 3 on the one-level gear 2, and tertiary gear axle 3 one end faces and one-level gear 2 on the secondary gear 6 are mutually meshing, and tertiary gear axle 5 other ends and tertiary gear 7 are mutually meshing.Tertiary gear 7 one end faces are equipped with rigid bearing 8, this rigid bearing 8 is fixed in above the distributor case lower box 21, tertiary gear 7 other ends are equipped with long splined shaft 9, these long splined shaft 9 peripheries are equipped with long spline thrust-bearing 10, be positioned on the long splined shaft 9 of long spline thrust-bearing 10 the other ends left coniskoid 11 is installed, these left coniskoid 11 the other ends are equipped with initiatively screw axis 12.A side that is positioned at long splined shaft 9 flush position places is equipped with short splined shaft 13, one end of this weak point splined shaft 13 is equipped with right coniskoid 16, this right coniskoid 16 and left coniskoid 11 are mutually meshing, and the other end of this right coniskoid 16 is equipped with driven screw axis 17.
During work, input shaft 1 is high speed rotating under motoring, drives one-level gear 2 and secondary gear 6 rotations, and secondary gear 6 drives tertiary gear 7 rotations, so that become the low-speed big transmission by high speed rotating, and rotate the driving mechanism in the transmission distributor case by tertiary gear 5.By one in the driving mechanism long splined shaft 9 the transfer motion power transmission of speed reducer inside is delivered on the driving screw shaft 12 again.Simultaneously, one of them and the mutual meshing short splined shaft 13 of long splined shaft 9 pass to the transfer motion power of speed reducer inside on the driven screw axis 17, from reaching the running work of equilibrium drive driving screw shaft 12 and driven screw axis 13.
During use, actuating motor, by input shaft 1 input power that is connected with motor, one-level gear 2, secondary gear 6 and tertiary gear 7 by speed reducer inside is transported in the driving mechanism again, be transferred on driving screw shaft 12 and the driven screw axis 13 with short splined shaft 13 by intersecting the meshing long splined shaft of angle 9 in the driving mechanism again, rotate in machine barrel by driving screw shaft 12 and driven screw axis 13 again, plastics or other polymer put together heat, plastify, stir and squeeze out in the machine barrel, reach last required molding product.
In sum, because described distributor case is to be made of with distributing lower box 21, mode that form along middle axle center split surface and that the output of axle input diaxon is set distributor case upper box 22, described speed reducer is combined into by casing 19 and deceleration lower box 20 in deceleration upper box 18, the deceleration, has avoided occuring because existing all-in-one-piece cabinet design causes mobile speed reducer inconvenience, dismounting inconvenience and the large problem of floor space.During maintenance, do not need to move screw barrel and mobile speed reducer, only need dismounting speed reducer or distributor case appropriate section corresponding part is keeped in repair get final product, so reach easy to maintenance, compact structure and the little useful technique effect of floor space.Described distributor case inside also is provided with a shaft type drive mechanism that is connected with distributor case for multi-stage gear mechanism again, this shaft type drive mechanism comprise with the meshing initiative drive shaft mechanism that is connected of multi-stage gear mechanism and with the driven driving shaft mechanism of the mutual meshing transmission of initiative drive shaft mechanism; This initiative drive shaft mechanism one end directly is connected with multi-stage gear mechanism, and the initiative drive shaft mechanism the other end is directly that be connected with driving screw shaft 12 and drive driving screw shaft 12 and rotate in machine barrel, drive also simultaneously that driven screw axis 13 rotates at machine barrel, form a shaft type kind of drive, so that speed reducer part and distributor case are partly connected, reduce the middle transition connecting link and reduce medium tache and connect fault, the purpose that therefore reach raising transmission Location accuracy, improves transmission efficiency, compact structure and save the energy.
Claims (9)
1. Double-screw speed reducer of being convenient to keep in repair, comprise distributor case, speed reducer two large divisions, it is characterized in that: described distributor case is to be combined along middle shaft axis by distributor case upper box and distributor case lower box, be provided with the needed coniskoid of axle input diaxon output function, the bearing arrangement that bears radial and axial power, spacer, Sealing at box house.
2. the Double-screw speed reducer of being convenient to keep in repair according to claim 1 is characterized in that: described speed reducer by the deceleration upper box, slow down in casing and deceleration lower box be combined into.
3. the Double-screw speed reducer of being convenient to keep in repair according to claim 1 is characterized in that: designed a shaft type drive mechanism between described speed reducer and the distributor case.
4. the Double-screw speed reducer of being convenient to keep in repair according to claim 3 is characterized in that: a described shaft type drive mechanism comprise the initiative drive shaft mechanism that is arranged at distributor case inside and with the driven driving shaft mechanism of the mutual meshing transmission of initiative drive shaft mechanism; Described initiative drive shaft mechanism comprises tertiary gear, be installed on the rigid bearing of tertiary gear one end, be installed on the tertiary gear other end long splined shaft, be installed on long splined shaft periphery long spline thrust-bearing, be installed on the long splined shaft and be positioned at the left coniskoid of the long spline thrust-bearing the other end and the driving screw shaft that is installed on the left coniskoid the other end; Described driven driving shaft mechanism comprises the short splined shaft, the short spline thrust-bearing that is installed on short splined shaft periphery that are arranged at long splined shaft flush position place, be installed on the short splined shaft be positioned at the short spline thrust-bearing the other end with left coniskoid mutually meshing right coniskoid and the driven screw axis that is installed on right coniskoid one end.
5. the Double-screw speed reducer of being convenient to keep in repair according to claim 2, it is characterized in that: the bottom of described speed reduction lower case body is provided with the support foot pad that directly contacts with ground around the speed reducer bottom of being arranged at for fixation, and the upper end of described speed reduction lower case body offers respectively the screw mounting hole that makes things convenient for mounting screw when interconnecting with the speed reducer casing; Box house is provided be used to the lower tertiary gear accepting groove of accommodating tertiary gear lower half portion in the described speed reducer, and the two ends of this time tertiary gear accepting groove offer respectively be used to the lower semi-circle arc fluting of accommodating rigid bearing and long spline thrust-bearing lower half portion; Described speed reducer upper box inside is provided with the upper tertiary gear accepting groove for tertiary gear upper half part, and tertiary gear accepting groove two ends offer respectively the upper semi-circle arc fluting be used to the upper half part of accommodating rigid bearing and long spline thrust-bearing on this.
6. the Double-screw speed reducer of being convenient to keep in repair according to claim 1, it is characterized in that: described distributor case lower box is to be that hollow rectangular case consists of by the center, described rectangular case center of inside position is provided with the lower gear accepting groove be used to the lower half portion of accommodating left coniskoid and right coniskoid, one end of this lower gear accepting groove is provided with the lower bearing accepting groove be used to the lower half portion of accommodating long spline thrust-bearing and short spline thrust-bearing, the other end of this lower gear accepting groove be provided be used to accommodate driving screw shaft and driven screw axis the lower screw axis accepting groove of lower half portion; Described rectangular case outer wall one end offers the lower shrinkage pool for screw easy for installation.
7. the Double-screw speed reducer of being convenient to keep in repair according to claim 1, it is characterized in that: described distributor case upper box is to be that hollow rectangular case consists of by the center, described rectangular case center of inside position is provided with the accepting groove that cogs be used to the upper half part of accommodating left coniskoid and right coniskoid, one end of this accepting groove that cogs is provided with the lower bearing accepting groove be used to the upper half part of accommodating long spline thrust-bearing and short spline thrust-bearing, the other end of this accepting groove that cogs be provided be used to accommodate driving screw shaft and driven screw axis the lower screw axis accepting groove of upper half part; Described rectangular case outer wall one end offers the upper concave hole for screw easy for installation.
8. the Double-screw speed reducer of being convenient to keep in repair according to claim 1 is characterized in that: described speed reducer inside is provided with and the mutual meshing multi-stage gear mechanism of tertiary gear.
9. the Double-screw speed reducer of being convenient to keep in repair according to claim 8 is characterized in that: multi-stage gear mechanism comprise the input shaft that directly is connected with motor, with input shaft mutually meshing one-level gear, be installed on secondary gear axle on the one-level gear, mutual meshing with the one-level gear time also with the mutual meshing tertiary gear axle of tertiary gear and be installed on secondary gear on the tertiary gear axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220088433 CN202659869U (en) | 2012-03-09 | 2012-03-09 | Convenient-to-repair twin-screw speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220088433 CN202659869U (en) | 2012-03-09 | 2012-03-09 | Convenient-to-repair twin-screw speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202659869U true CN202659869U (en) | 2013-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220088433 Expired - Fee Related CN202659869U (en) | 2012-03-09 | 2012-03-09 | Convenient-to-repair twin-screw speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202659869U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562951A (en) * | 2011-12-13 | 2012-07-11 | 向修礼 | Double-screw speed reducer convenient for maintenance |
-
2012
- 2012-03-09 CN CN 201220088433 patent/CN202659869U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562951A (en) * | 2011-12-13 | 2012-07-11 | 向修礼 | Double-screw speed reducer convenient for maintenance |
| CN102562951B (en) * | 2011-12-13 | 2015-12-09 | 向修礼 | Be convenient to the Double-screw speed reducer keeped in repair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20130309 |