CN106956458A - The pre- pressure head component guide frame of baling press - Google Patents

The pre- pressure head component guide frame of baling press Download PDF

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Publication number
CN106956458A
CN106956458A CN201710070408.XA CN201710070408A CN106956458A CN 106956458 A CN106956458 A CN 106956458A CN 201710070408 A CN201710070408 A CN 201710070408A CN 106956458 A CN106956458 A CN 106956458A
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CN
China
Prior art keywords
fairlead
pressure head
head component
baling press
sleeve pipe
Prior art date
Application number
CN201710070408.XA
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Chinese (zh)
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CN106956458B (en
Inventor
林庆伟
袁莹
于海鑫
刘娟
李怀坤
Original Assignee
山东天鹅棉业机械股份有限公司
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Priority to CN201710070408.XA priority Critical patent/CN106956458B/en
Publication of CN106956458A publication Critical patent/CN106956458A/en
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Publication of CN106956458B publication Critical patent/CN106956458B/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B9/00Presses specially adapted for particular purposes
    • B30B9/30Presses specially adapted for particular purposes for baling; Compression boxes therefor
    • B30B9/3078Presses specially adapted for particular purposes for baling; Compression boxes therefor with precompression means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B9/00Presses specially adapted for particular purposes
    • B30B9/30Presses specially adapted for particular purposes for baling; Compression boxes therefor
    • B30B9/3003Details

Abstract

The invention discloses a kind of pre- pressure head component guide frame of baling press, including:Upper guidance set;Lower guidance set;Guide post, it is corresponding to be furnished with two, and it is guided on the guide member that fairlead is determined with corresponding lower fairlead;Wherein, upper fairlead and lower fairlead have following structure:Sleeve pipe;Axle envelope, is fitted to sleeve pipe upper and lower ends;It is bushing, it is set in sleeve pipe and there is provided the guiding face being oriented to corresponding guide post between axle envelope up and down.Guide frame according to the present invention has the pre- pressure head component guide frame of baling press of roller high speed guiding and the steady guidance feature of fairlead concurrently.

Description

The pre- pressure head component guide frame of baling press

Technical field

The present invention relates to a kind of pre- pressure head component guide frame of baling press.

Background technology

In existing domestic cotton processing equipment technical field, cotton press substantially carries out mechanization, packed by cotton Cotton is processed into regulation pouch-type by machine.In general, cotton press includes main pressure and precompressed two large divisions, pre- laminate section is by pre- Compressing cylinder drives pre- pressure head to step on cotton in the vertical direction, and the guide post component that pre- pressure head component is installed by both sides is oriented to, due to Stroke is long, and speed is fast, discontinuity and easily produce vibrations.

The guide frame of existing pre- pressure head component is configured to the structure that guide post component coordinates with guide roller component, typically For, it is that guide post configures two groups of guide rollers, every group of guide roller is furnished with two or three guide rollers, if two Roller, axisymmetrical of two rollers on guide post, if three rollers, three rollers are uniform in the surrounding of guide post.

The axis of roller is vertical with the trend of guide post, in some implementations, and roller uses cylinder roller, in this condition Under, contact of the roller with guide post contacts for point, and point contact is suitable to speed than faster guiding, but because contact point is smaller, it is right The restriction ability of guide post is poor, so as to cause its shock resistance poor.

In some implementations, roller is used with race, the cross-section face curvature of race and the cylindrical curvature phase of guide post Together, this kind of structure can improve the stability of guide post to a certain extent although height contact is linear contact lay, but at a high speed (Relative concept, is represented and the of a relatively high application of speed in speed positive correlation)In, guide post and roller thermal expansion Amount it is often inconsistent, roller can produce the embedding folder to guide post, and produce very big guiding resistance.

Comparatively, fairlead can be to the guide effect of guide post most because that can provide than larger contact area It is good, but in mechanical field, the guiding for high-speed component repels the use of fairlead, under the conditions of being high-speed motion, if Contact area is than larger, and frictional heat can be than more serious, when friction structure temperature is higher, and Wear vesistance can degradation.

In addition, for reduction coefficient of friction, the fit structure of fairlead and guide post usually requires lubricant and is lubricated, institute The lubricant used is generally all lubricating grease or lubricating oil.Generally require to avoid grease from polluting cotton in Cotton Production field. In addition, as it was previously stated, at a high speed in guiding application, heat amount is very big, causes friction engageable surface temperature higher, bad rubbing When, friction engageable surface temperature is even as high as 200 degrees Celsius, under the temperature conditionss, and oil film can be caused not formed, or lubricating oil Aging, fails in a short time.

To avoid grease from polluting cotton, inventor once attempts to use copper fairlead, but copper fairlead should in high speed The friction being subject in is very violent, and the failure of copper fairlead will be produced in a short time.

The content of the invention

In view of this, roller is had concurrently it is an object of the invention to provide one kind to be oriented at a high speed and the steady guidance feature of fairlead The pre- pressure head component guide frame of baling press.

According to embodiments of the invention there is provided a kind of pre- pressure head component guide frame of baling press, including:

Upper guidance set, including the upper base plate with pilot hole on a pair and each one on upper pilot hole upper guiding Set, the axis of two fairleads is parallel to each other and vertical with upper bracket plate;

Lower guidance set, with two lower guiding assemblages being separated from each other, each guiding assemblage is included with pilot hole once Lower seat board, the lower fairlead with accordingly upper fairlead contraposition is fitted with based on the lower pilot hole;Wherein, lower support plate, which is provided with, is used for There is adjustment gap, the horizontal position for adjusting lower seat board in the bolt hole that lower support plate is fixed, the bolt hole and the bolt matched somebody with somebody Put, and lower fairlead is reached given axiality with the corresponding upper inner room that is oriented to;

Guide post, it is corresponding to be furnished with two, and it is guided on the guide member that fairlead is determined with corresponding lower fairlead;

Wherein, upper fairlead and lower fairlead have following structure:

Sleeve pipe;

Axle envelope, is fitted to sleeve pipe upper and lower ends;

It is bushing, it is set in sleeve pipe and there is provided the guiding face being oriented to corresponding guide post between axle envelope up and down.

The above-mentioned pre- pressure head component guide frame of baling press, alternatively, it is described it is bushing be provided with joint-cutting, it is empty for providing heat expansion Between.

Alternatively, upper guidance set and lower guidance set are lived apart in beam assembly upper and lower sides in precompressed.

Alternatively, beam assembly is that the opposed matching of two channel members notches connects the cavity rectangular beam formed in precompressed, and empty The both ends open of chamber rectangular beam.

Alternatively, it is panel-like member to match the part connected for two channel members, and is set at two channel members bottom two ends There is reinforcement connecting portion.

Alternatively, the axle envelope is outside framework oil seal, and cannula tip is arranged on by end cap.

Alternatively, end cap fans ring end caps for the two and half of split.

Alternatively, end cap is arranged on sleeve pipe by the screw of sleeve pipe axial direction.

Alternatively, upper pilot hole and lower pilot hole are screwed hole, and upper fairlead or lower fairlead connect with corresponding pilot hole The part connect is described sleeve pipe, correspondingly, and the lower end for being contained in the sleeve pipe of fairlead is external screw thread tube head, is contained in lower guiding The upper end of the sleeve pipe of set is external screw thread tube head, is connected with adaptation with respective screw hole.

Alternatively, the bushing length is 1st/1 to two/3rds of casing length, and sleeve pipe remainder is with leading It is used to encapsulate lubricant to the gap of bar.

According in embodiments of the invention, guide post is led by the guidance set being separated from each other in the vertical direction To, can be oriented to composition surface area it is relatively small under conditions of, with the guiding stationarity for being equivalent to long fairlead.And due to It is oriented to composition surface area relatively small, is oriented to relative to fairlead, the guiding speed adapted to, which has, significantly to be improved.

Due to being separated from each other, the axiality of fairlead can influence the guiding of guide post up and down, when axiality can not ensure, lead Abrasion to bar and fairlead is uneven, and the ride comfort of guiding is relatively poor.Fairlead class guiding parts all at present exist Factory's stage completes the Installation And Calibration of guiding parts, and yet with Automatic manual transmission, such as bolt connection is easy in transportation Loosening is produced, causes guiding parts to shift.In the present invention, two fairleads of upper fairlead component are configured to by upper base plate One entirety, two fairleads of lower guidance set are then configured to two assemblies, so as in assembling, not produce each other dry Relate to, fairlead and the accurate contraposition of the fairlead accordingly aligned are included beneficial to adjustment.Meanwhile, the bolt hole of lower seat board is with being matched somebody with somebody Bolt exist adjustment gap, for above and below scene fairlead contraposition adjustment so that the fairlead up and down being separated from each other With the consistent guiding ride comfort with overall fairlead.

Brief description of the drawings

Fig. 1 is concrete configuration structural representation of the pre- pressure head component guide frame of baling press on baling press in an embodiment Figure.

Fig. 2 is the present invention looks up structural representation of upper guidance set in an embodiment.

Fig. 3 is Fig. 2 A-A sectional views.

Fig. 4 is lower guidance set structural representation in an embodiment.

In figure:1. guide post component, 2. prefabricating oil cylinders, guidance set on 3., beam assembly, 5. times guiding groups in 4. precompressed Part, 6. pre- pressure head components.

31. upper base plate, 32. guide holes, 33. fixing holes, 34. vias, 35. end caps, 36. screw holes, 37. axle envelopes, 38. lead To block set, 39. fairleads.

51. lower seat board, 52. guide sleeve seats, 53. fairleads, 54. end caps.

Embodiment

Beam assembly 4 is fixedly installed in structure shown in Fig. 1, precompressed, and the lower end of prefabricating oil cylinder 2 connects pre- pressure head component 6, precompressed Oil cylinder 2 promotes pre- pressure head component 6 to move up and down, and cotton is stepped in the vertical direction so as to realize.

To ensure that prefabricating oil cylinder steps on the reliability of cotton, it is necessary to which the up and down motion to pre- pressure head component 6 is produced well about 2 It is oriented to.In general, being oriented to as shown in Figure 1 there is provided the motion of a pair of pre- pressure head components 6 of 1 pair of guide post component.

Guide post component 1 is furnished with a pair, and guide post of attaching troops to a unit is parallel to each other, and is rigidly connected with pre- pressure head component 6.

Guide post component 1 is attached troops to a unit, and to answer upper guidance set 3 to that indicated in the drawings and lower guidance set 5 to have good for guide post Axiality, the abrasion of guide post and corresponding fairlead otherwise can be caused uneven, accelerate fairlead failure.

In baling press technical field, precompressed belongs to rapid heavy-load application, although precompressed is expected to produce normal pressure, that is, schemes Shown in the axial direction of prefabricating oil cylinder 2 power, but the distribution of stepped on cotton is not preferably uniformly each place of pre- pressure head component 6 The reaction force being subject to is not consistent, and the pre- pressure head component that can make produces certain turning torque, therefore, on this condition, right The guiding reliability of guide post component 1 has the high technical requirements of comparison.

Routinely, as described in the background section, in baling press technical field, generally using such as a pair opposed rollers There is provided and the high speed of guide post is oriented to, and due to being rolling friction, without being oriented to composition surface filling lubricant, without Pollute cotton to be packed.However, being typically only capable to provide the cooperation that point is contacted between roller and guide post, to foregoing tilting force The adaptability of square is poor.

Although fairlead can provide more reliable guiding, it must be lubricated in high speed applications, and be oriented to Set needs to reach that given length can effectively overcome negative effect of the turning torque to guiding, and long fairlead will certainly Increase friction.

The performance of integrated guidance wheel and conventional fairlead, referring to the pre- pressure head component of baling press shown in Figure of description 1 ~ 4 Guide frame and the critical piece attached troops to a unit, it mainly includes upper guidance set 3, lower guidance set 5, and adapts to by upper A pair of guide post components 1 of guiding assemblage determined by lower guidance set.

On the relation between upper guidance set 3 and lower guidance set 5, as shown in figure 1, upper guidance set 3 and lower guiding Component 5 respectively has a pair of fairleads, and aligns two-by-two, ideally, and a pair of fairleads of contraposition should be completely coaxial, in other words Axis is identical, and a relatively long fairlead of length is analogous on the whole.

It should be appreciated that a pair of fairleads need to consider axiality problem up and down, single fairlead can consider fairlead and example Depth of parallelism problem such as the perpendicularity problem of upper base plate 31 or with the axis of prefabricating oil cylinder 2, completely preferable situation is simultaneously not present.

First, on upper guidance set 3, as shown in Fig. 1 ~ 3, it includes a upper base plate 31, and the upper base plate 31 is a rectangle Plate, is provided with positioned at middle via 34, for passing through for prefabricating oil cylinder 2, and the center line including a pair on the centre in Fig. 2 The upper pilot hole of symmetrical two, position determined by guide hole 32 specially in figure.

In addition, be also provided with some fixing holes 33 on upper base plate 31, in upper base plate 31 in Fig. 1 shown precompressed The assembling of beam assembly 4.Around each guide hole 32, fixing hole 33 has four, for reliable assembling.

One upper bracket plate 31 is furnished with two upper pilot holes, in other words, the two upper fairleads determined with upper pilot hole, such as Fairlead 39 shown in Fig. 3, its position relationship is predefined, and can be used as an assembly, in-site installation.

The axis of fairlead 39 ideally should be vertical with upper base plate 31, and the axis of fairlead 39 should be with precompressed in other words Oil cylinder 2 is parallel, with provide prefabricating oil cylinder 2 the pre- pressure head component 6 of promotion guiding.

Guidance set 3 is different from, the fairlead 53 on lower guidance set 5 configured does not simultaneously reside at same lower seat On plate 51, but a lower seat board 51 each is equipped with, is closed consequently, it is possible to which two fairleads 53 can adjust mutual position System, so that advantageously in the adjustment that axiality in other words is aligned with fairlead 39.

Lower guidance set 5 is divided into two lower guiding assemblages, two lower guiding assemblages are separated from each other, so as to adjust The centre-to-centre spacing of two lower guiding assemblages, further, since the assembling of two lower guiding assemblages does not produce influence each other, so that two The assembling of person does not produce interference, thus both position relationship influence each other it is smaller.

Different from upper base plate 31, the bolt hole that lower seat board 51 is opened is relatively large, and herein larger is relative to routine For bolt hole, the size that should have as bolt hole, the bolt hole on lower seat board 51 is larger, to provide lower seat board 51 Adjustment nargin during installation.

The adjustment of lower seat board 51, is particularly used for the position adjustment of the fairlead 53 installed in lower pilot hole, so as to adjust Axiality between fairlead 53 and the fairlead 39 aligned.Be subject to it is corresponding, adjustment come between bolt and bolt hole Gap.

In addition, the guiding of the pre- pressure head component 6 on baling press, existing and old-fashioned is oriented to using roller, at present It is more the transformation to field apparatus in addition to design and manufacture that guidance set is carried out in factory's stage.

For example to the transformation of field apparatus, upper guidance set 3 first determines a benchmark, then true according to upper guidance set 3 Fixed benchmark, then carry out the installation of lower guidance set 5,

See again under suitability structure of the fairlead under the conditions of high-speed applications, normal condition, fairlead is not suitable for being oriented at a high speed, Easily failure, maintainable poor, especially its individual is relatively long, it has to be lubricated, to obtain good friction Environment, but in cotton manufacture field, pollution of such as lubricating oil to cotton should be reduced as far as possible.

Specifically, as shown in figure 1, fairlead 39 and fairlead 53 in figure, upper to having a certain distance on direction, so that Guiding assemblage has the stability consistent with overall fairlead determined by corresponding, and integrally shortens fairlead Length.

Each fairlead, such as the structure shown in Fig. 3, it has following structure:

Sleeve pipe, guide sleeve seat 38 as shown in Figure 3 is a sleeve structure, the axis of sleeve pipe and the guide post axle being oriented to Line is identical, and here identical is desired identical, and it is expressed as axiality in assembling, is for one of precision of guarantee.

Axle envelope 37, is fitted to sleeve pipe upper and lower ends, is used to fill lubrication in the space of guide sleeve seat 38 that axle envelope 37 is constrained Agent, such as lubricating grease, axle envelope 37 have bridging effect, for protecting lubrication composition surface, on the other hand, also avoid lubricating grease from letting out Dew.

And then there is provided bushing, fairlead 39, are set in guide sleeve seat 38 as illustrated in the drawing, and between upper and lower axle, There is provided the guiding face being oriented to corresponding guide post between 37.

Based on foregoing structure, it is oriented to using bushing part, further shorten the length of targeting part, in favor of Improve the suitability to being oriented to speed.

Bushing fairlead 39 as shown in Figure 3 in other words only occupies the part knot in the guide sleeve seat 38 of sleeve structure Structure, lubricating grease can be filled in the remainder of guide sleeve seat 38, composition surface is oriented to equivalent to dipping in oil lubrication, where cotton Direction in side, i.e. Fig. 1 where pre- pressure head component 6, the grease dipped in is largely directed to composition surface and retained, remaining for positioned at Following axle envelope is retained, and the guide post leant out from lower guidance set 5 does not allow easy-adhesion grease.

Preferably, the length of the fairlead 39 is 1st/1 to two/3rds of the length of guide sleeve seat 38, fairlead The gap of 38 remainders of seat and guide post is used to encapsulate lubricant.

Fairlead 39 is relatively short, the lubrication further lubricated by lubricant, improves and is oriented to speed.

And as it was previously stated, being set by fairlead 39 in the position of guide sleeve seat 38, for upper fairlead component 3, use Upwardly bias, for lower fairlead component 5, then using biased downward, the leakage of lubricant can be effectively reduced.

Generally speaking, it is preferable that fairlead 39 should be located at the port of export of guidance set, for upper guidance set 3, fairlead 39 are located at the middle and upper part of guide sleeve seat 38, for lower guidance set 5, under corresponding fairlead should be located in corresponding guide sleeve seat Portion, so as under conditions of grease lubrication has been used, still avoid the effect that grease pollutes with good.

Preferably, the fairlead 39 shown in Fig. 3 is provided with joint-cutting, rather than circumferential complete structure, so as to expand with heat and contract with cold Under the conditions of there is provided certain adaptivity, especially in high speed situation, guide frame heat is than more serious..

On the pre- pressure head component guide frame of baling press, its concrete configuration, it is seen that in accompanying drawing 1, it is with beam assembly in precompressed 4 For frame, beam assembly 4 is fixedly installed in precompressed in other words, and upper guidance set 4 and lower guidance set 5 are lived apart in beam assembly in precompressed 4 upper and lower sides, up and down fairlead(Refer to such as fairlead 39 in figure)The distance between in by precompressed the thickness up and down of beam assembly 4 and The set location of such as fairlead 39 is determined.

In the embodiment shown in fig. 1, beam assembly 4 is the sky that the opposed matching connection of two channel members notches is formed in precompressed Chamber rectangular beam, and the both ends open of cavity rectangular beam, under the conditions of integral rigidity influence is less, are conducive to dissipating for guide post Heat.

Further, it is panel-like member to match the part connected for two channel members, and at two channel members bottom two ends Provided with connecting portion is strengthened, to improve overall rigidity.

On the axle envelope 37, preferably outside framework oil seal, cannula tip is arranged on by end cap 35.

In addition, end cap 35, end cap 54 for split two and half fan ring end caps, two and half fan ring end caps between leave it is certain between Gap, expands with heat and contract with cold for balancing.

In Fig. 2, end cap 35 is arranged on sleeve pipe by the screw of sleeve pipe axial direction, if Fig. 2 is shown screw hole 36, is used for The assembling of the screw of adaptation.

On the installation of such as guide sleeve seat 38, guide sleeve seat 52, preferably screw thread is installed, correspondingly, upper pilot hole and Lower pilot hole is screwed hole, and the part that upper fairlead or lower fairlead are connected with corresponding pilot hole is described sleeve pipe, correspondingly, The lower end for being contained in the sleeve pipe of fairlead is external screw thread tube head, and the upper end for being contained in the sleeve pipe of lower fairlead is male-pipe Head, is connected with adaptation with respective screw hole.

Claims (10)

1. a kind of pre- pressure head component guide frame of baling press, it is characterised in that including:
Upper guidance set, including the upper base plate with pilot hole on a pair and each one on upper pilot hole upper guiding Set, the axis of two fairleads is parallel to each other and vertical with upper bracket plate;
Lower guidance set, with two lower guiding assemblages being separated from each other, each guiding assemblage is included with pilot hole once Lower seat board, the lower fairlead with accordingly upper fairlead contraposition is fitted with based on the lower pilot hole;Wherein, lower support plate, which is provided with, is used for There is adjustment gap, the horizontal position for adjusting lower seat board in the bolt hole that lower support plate is fixed, the bolt hole and the bolt matched somebody with somebody Put, and lower fairlead is reached given axiality with the corresponding upper inner room that is oriented to;
Guide post, it is corresponding to be furnished with two, and it is guided on the guide member that fairlead is determined with corresponding lower fairlead;
Wherein, upper fairlead and lower fairlead have following structure:
Sleeve pipe;
Axle envelope, is fitted to sleeve pipe upper and lower ends;
It is bushing, it is set in sleeve pipe and there is provided the guiding face being oriented to corresponding guide post between axle envelope up and down.
2. the pre- pressure head component guide frame of baling press according to claim 1, it is characterised in that bushing be provided with is cut Seam, for providing heat expansion space.
3. the pre- pressure head component guide frame of baling press according to claim 1 or 2, it is characterised in that upper guidance set and Lower guidance set is lived apart in beam assembly upper and lower sides in precompressed.
4. the pre- pressure head component guide frame of baling press according to claim 3, it is characterised in that beam assembly is two in precompressed The cavity rectangular beam that the opposed matching connection of channel members notch is formed, and the both ends open of cavity rectangular beam.
5. the pre- pressure head component guide frame of baling press according to claim 4, it is characterised in that for two channel members Part with connection is panel-like member, and at two channel members bottom two ends provided with reinforcement connecting portion.
6. the pre- pressure head component guide frame of baling press according to claim 1 or 2, it is characterised in that the axle envelope is bone Frame oil sealing, cannula tip is arranged on by end cap.
7. the pre- pressure head component guide frame of baling press according to claim 6, it is characterised in that end cap is two of split Half fan ring end cap.
8. the pre- pressure head component guide frame of baling press according to claim 6, it is characterised in that end cap passes through sleeve pipe axial direction Screw be arranged on sleeve pipe on.
9. the pre- pressure head component guide frame of baling press according to claim 1 or 2, it is characterised in that upper pilot hole is with Pilot hole is screwed hole, and the part that upper fairlead or lower fairlead are connected with corresponding pilot hole is described sleeve pipe, correspondingly, bag The lower end for being contained in the sleeve pipe of fairlead is external screw thread tube head, and the upper end for being contained in the sleeve pipe of lower fairlead is external screw thread tube head, It is connected with adaptation with respective screw hole.
10. the pre- pressure head component guide frame of baling press according to claim 1 or 2, it is characterised in that the bushing length Spend for 1st/1 to two/3rds of casing length, the gap of sleeve pipe remainder and guide post is used to encapsulate lubricant.
CN201710070408.XA 2017-02-09 2017-02-09 The pre- pressure head component guide frame of baling press CN106956458B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2925857Y (en) * 2006-04-20 2007-07-25 寇志刚 Automatically positioned hydraulic baler
CN201068217Y (en) * 2007-08-14 2008-06-04 贵州风雷航空军械有限责任公司 Packing machine
CN201325190Y (en) * 2008-12-23 2009-10-14 孙立国 Metal particles briquetting machine of pushing material, pressing material and briquetting material by hydrocylinder
DE202010016166U1 (en) * 2010-12-03 2012-03-05 Jungheinrich Aktiengesellschaft Chain bolt for connection to a lift chain of a truck
CN103057153A (en) * 2012-12-30 2013-04-24 江苏省徐州锻压机床厂集团有限公司 Press precision cylindrical guide structure
CN103624165A (en) * 2013-11-08 2014-03-12 宁波宁创自动化设备有限公司 Split supporting structure of upper-and-lower shaft system of fin forming machine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2925857Y (en) * 2006-04-20 2007-07-25 寇志刚 Automatically positioned hydraulic baler
CN201068217Y (en) * 2007-08-14 2008-06-04 贵州风雷航空军械有限责任公司 Packing machine
CN201325190Y (en) * 2008-12-23 2009-10-14 孙立国 Metal particles briquetting machine of pushing material, pressing material and briquetting material by hydrocylinder
DE202010016166U1 (en) * 2010-12-03 2012-03-05 Jungheinrich Aktiengesellschaft Chain bolt for connection to a lift chain of a truck
CN103057153A (en) * 2012-12-30 2013-04-24 江苏省徐州锻压机床厂集团有限公司 Press precision cylindrical guide structure
CN103624165A (en) * 2013-11-08 2014-03-12 宁波宁创自动化设备有限公司 Split supporting structure of upper-and-lower shaft system of fin forming machine

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