CN106079545B - Two-point press Synchronous Transmission adjusting means and adjusting method - Google Patents
Two-point press Synchronous Transmission adjusting means and adjusting method Download PDFInfo
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- CN106079545B CN106079545B CN201610664533.9A CN201610664533A CN106079545B CN 106079545 B CN106079545 B CN 106079545B CN 201610664533 A CN201610664533 A CN 201610664533A CN 106079545 B CN106079545 B CN 106079545B
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- eccentric
- gear unit
- jointed gear
- crossbeam
- pin bushing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0029—Details of, or accessories for, presses; Auxiliary measures in connection with pressing means for adjusting the space between the press slide and the press table, i.e. the shut height
- B30B15/0035—Details of, or accessories for, presses; Auxiliary measures in connection with pressing means for adjusting the space between the press slide and the press table, i.e. the shut height using an adjustable connection between the press drive means and the press slide
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Abstract
The invention discloses a kind of two-point press Synchronous Transmission adjusting means and adjusting method, synchronous transmission device includes crossbeam and two groups of spaced jointed gear units in crossbeam, in two groups of jointed gear units side by side, eccentric hoop is provided with adjustable jointed gear unit, eccentric strap is between endoporus on the downside of the transmission mechanism guide pin bushing top and crossbeam.The adjusting method of the present invention includes：1）Crossbeam assembly is supported on mill floor by four contour posts, 2）Detect the distance of two groups of jointed gear unit guide pillar lower end surfaces and leveling ruler side by side, respectively A and B respectively with dial gauge；3）Rotating eccentric hoop makes A B≤± 0.10mm.The apparatus structure of the present invention is simple, and method is practical and convenient, substantially increases the Synchronous Transmission precision of two-point press and the retentivity of every precision, extends the mold use life-span, improve the quality of stamping products.
Description
Technical field
It is especially a kind of at two connecting rods the present invention relates to a kind of device for improving two-point press Synchronous Transmission precision
When lower dead point position, the adjusting means that corresponding two guide pillar bottoms can be made to be consistent away from working plate distance is further related to
The adjusting method of this adjusting means, belongs to metal forming machinery technical field.
Background technology
In two point or four point pressure machines, it cannot be guaranteed that corresponding in two or four jointed gear unit during due to processing
Eccentric gear-connecting rod-guide pillar driving-chain centre-to-centre spacing it is completely the same, can cause to be connected with two or four guide pillar lower end
Sliding block is asynchronous and tilt because of left and right or front and rear sides, forcing press precision is influenceed, so as to reduce stamping products qualification rate and shortening
Die life.In order to improve the synchronism of two or four jointed gear unit, it is necessary to adjust each jointed gear unit driving-chain
Distance of the guide pillar lower end surface away from working plate of end, makes the deviation between it reduce as far as possible, could improve sliding block operation
Synchronism.Prior art is：In the guide pin bushing left and right sides, one piece of block with horizontal screw thread through hole is respectively fixed on crossbeam
On downside, guide pin bushing is pushed up by being screwed into the screw of block, so that by changing position of the guide pin bushing on crossbeam longitudinal direction, to change
The angle of connecting rod axis and jointed gear unit axis, so as to improve the synchronism of sliding block operation.Because of the external screw thread and water of screw
There is axial gap between the internal thread of flat thread through hole, while the contact surface between screw end face and guide pin bushing is smaller, contact position
Face pressure between screw and guide pin bushing is very big, and being easily caused both of which has deformation；In addition, sliding block is frequent mobile and stamping forming
Vibrations so that screw not tight, cause guide pin bushing to move and make forcing press precision stability difference, it is necessary to often readjust, and influence
The service efficiency of forcing press.
The content of the invention
It is an object of the invention to provide a kind of simple in construction, performance stabilization, the good two-point press of precision stability is synchronous
Drive regulating and adjusting method.
The present invention is achieved by the following technical programs：
A kind of two-point press Synchronous Transmission adjusting means, synchronous transmission device include crossbeam and in crossbeam two
The spaced jointed gear unit of group, every group of jointed gear unit includes eccentric gear, heart axle, connecting rod, link pin, semicircle
Watt, guide pillars and bushes, be fixedly connected in the middle part of the eccentric gear and heart axle, the heart axle two ends are horizontal in the longitudinal both sides of crossbeam
On, small end is supported on by the connecting-rod bearing on the eccentric segment of the central axial extension of eccentric gear, and connecting rod lower end passes through connecting rod
Pin is hinged with guide pillar upper end, and connecting rod lower end termination is supported on by semicircle watt in the half slot of guide pillar upper end, between guide pillar and guide pin bushing
Gap coordinates；The eccentric gear of two groups of jointed gear units is longitudinally arranged side by side along crossbeam, main transmission deceleration device travelling gear position
Between two eccentric gears, engaged respectively with two eccentric gears, drive two eccentric gear rotating Vortexes；Guide pin bushing upper end footpath
To guide pin bushing flange is extended, the guide pin bushing flange is fixed on the lower side panel flange circle of crossbeam by several trip bolts, guide pin bushing
The axially extending circle on top is put in the endoporus of crossbeam lower side panel flange circle；In two groups of jointed gear units side by side, one group
For uncontrollable jointed gear unit, another group of adjustable jointed gear unit is interior to be provided with eccentric hoop, the eccentric strap
Between the axially extending circle on adjustable jointed gear unit guide pin bushing top and the endoporus of crossbeam lower side panel flange circle.
The purpose of the present invention can also further be realized by following technical measures.
Further, the cylindrical eccentric throw between endoporus of the eccentric hoop is 1mm~2mm so that eccentric hoop is close to partially
The ring body thickness of heart side is less than the ring body thickness away from the eccentric side of eccentric hoop.
Further, the cylindrical eccentric throw between endoporus of the eccentric hoop is 1.5mm.
Further, several handle screws are interval with the eccentric hoop outer peripheral face close to eccentric side.
Further, the eccentric hoop is made of medium carbon steel.
A kind of adjusting method of two-point press Synchronous Transmission adjusting means, comprises the following steps：
1）The crossbeam assembly assembled is supported on mill floor by the contour post under its corner, now two groups
The connecting rod of jointed gear unit has arrived lower dead point position；Adjust the height of contour post so that the guide pillar of each jointed gear unit
Lower end surface is in horizontality；
2）Leveling ruler is placed on mill floor, and mixes up level；With height vernier calliper preliminary surveying guide pillar lower end surface extremely
The distance of leveling ruler, according to the distance surveyed, places corresponding on the leveling ruler of the guide pillar lower end of uncontrollable jointed gear unit
The cushion block of height, places dial gauge on cushion block, dial gauge contact is resisted against the guide pillar of uncontrollable jointed gear unit
On lower end surface, and dial gauge is transferred on the upside of zero-bit, guide pillar lower end surface to the leveling ruler of uncontrollable jointed gear unit
Distance be designated as B；
3）Dial gauge and cushion block are moved on to the guide pillar lower end end of adjustable jointed gear unit along the upper side of leveling ruler
Under face, dial gauge contact is set to be resisted against the guide pillar lower end surface of adjustable jointed gear unit, adjustable link transmission machine
Distance on the upside of guide pillar lower end surface to the leveling ruler of structure is designated as A, reads the reading of dial gauge；
4）Several trip bolts on guide pin bushing flange are unclamped, the axially extending circle on guide pin bushing top is fallen with eccentric hoop,
Until exposing several handle screws on eccentric hoop outer peripheral face, the stud of handle one end is screwed into handle screw；
5）The regulation process of eccentric hoop is as follows：
If a, A ＞ B, eccentric hoop is rotated counterclockwise, promotes guide pin bushing and guide pillar to be moved to cross rail outer direction, connecting rod turns
It is dynamic, the axis formation+α angles of connecting rod axis and jointed gear unit；
If b, A ＜ B, eccentric hoop is rotated clockwise, promotes guide pin bushing and guide pillar to be moved to cross rail inner direction, connecting rod turns
It is dynamic, the axis shape angle of-alpha of connecting rod axis and jointed gear unit；
6）According to step 3）Method measure A sizes again, if A-B≤± 0.10mm, regulation terminate；Back out handle,
It is upper to derive set, the axially extending circle on guide pin bushing top is reentered with eccentric hoop in the endoporus of lower side panel flange circle of crossbeam,
Each trip bolt is tightened, the regulation of two-point press Synchronous Transmission is completed.
The present invention is provided with eccentric hoop between the endoporus of guide pin bushing top and crossbeam lower side panel flange circle, utilizes eccentric hoop ring
The thickness of body both sides is different, and guide pin bushing transverse shifting drivening rod minor rotation is promoted by rotating eccentric hoop so that adjustable
Jointed gear unit guide pillar bottom and uncontrollable jointed gear unit guide pillar bottom and working plate distance keep one
Cause, both differences are reduced within the 0.10mm of the present invention from 0.30mm~0.40mm of prior art, substantially increase double
The Synchronous Transmission precision of point pressure machine.Apparatus structure is simple, and method is practical and convenient, is effectively improved the every essence of two-point press
The retentivity of degree, extends the mold use life-span, improves the quality of stamping products.
Advantages of the present invention and feature, will be illustrated and explained by the non-limitative illustration of preferred embodiment below,
These embodiments, are only provided as an example referring to the drawings.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the amplification plan view of eccentric hoop；
Fig. 3 is the schematic diagram for rotating eccentric hoop.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
As shown in FIG. 1 to 3, synchronous transmission device of the invention includes crossbeam 1 and two groups of intervals in crossbeam 1
The jointed gear unit 2 of setting, every group of jointed gear unit 2 includes eccentric gear 21, heart axle 22, connecting rod 23, link pin 24, half
Circle watt 25, guide pillar 26 and guide pin bushing 27, eccentric gear 21 are fixedly connected with the middle part of heart axle 22, and the two ends of heart axle 22 are horizontal vertical in crossbeam 1
To on both sides, the upper end of connecting rod 23 is supported on by the connecting-rod bearing 231 on the eccentric segment 211 of the central axial extension of eccentric gear 21,
The lower end of connecting rod 23 is hinged by link pin 25 with the upper end of guide pillar 26, and the lower end termination of connecting rod 23 is supported on guide pillar 26 by semicircle watt 25
In the half slot of upper end, guide pillar 26 coordinates with the gap of guide pin bushing 27.The eccentric gear 21 of two groups of jointed gear units 2 is vertical along crossbeam 1
To being arranged side by side, main transmission deceleration device travelling gear 3 is located between two eccentric gears 21, is nibbled respectively with two eccentric gears 21
Close, drive two rotating Vortexes of eccentric gear 21, by the translation of drivening rod 23 on eccentric segment 211, then pass through link pin 25
Guide pillar 26 is driven to move up and down, two timing belt movable sliders of guide pillar 26 are moved up and down, then complete punching press by mould.
The upper end of guide pin bushing 27 is fixed radially outward from guide pin bushing flange 271, the guide pin bushing flange 271 by several trip bolts 28
On the lower side panel flange circle 11 of crossbeam 1, the axially extending circle 272 on the top of guide pin bushing 27 puts in the lower side panel flange circle 11 of crossbeam 1
In endoporus.In two groups of jointed gear units 2 side by side, one group of left side is uncontrollable jointed gear unit 2a, and right side is another
One group is adjustable jointed gear unit 2b, and eccentric hoop 4, the eccentric hoop 4 are provided with adjustable jointed gear unit 2
Between the endoporus for being enclosed on the axially extending circle 272 on the top of guide pin bushing 27 and the lower side panel flange circle 11 of crossbeam 1.
The cylindrical eccentric throw between endoporus of eccentric hoop 4 of the present embodiment is 1.5mm so that eccentric hoop 4 is close to bias one
The ring body thickness of side is less than the ring body thickness away from the eccentric side of eccentric hoop 4, can make the transverse shifting of guide pin bushing 27, so that connecting rod
23 make minor rotation.Several handle screws 41 are interval with the outer peripheral face of eccentric hoop 4 close to eccentric side, for connecting hand
Handle.
The adjusting method of the present invention, comprises the following steps：
1）The crossbeam assembly assembled is supported on mill floor by the contour post 5 under its corner, now two
The connecting rod 23 of group jointed gear unit 2 has arrived lower dead point position；Adjust the height of contour post 5 so that each jointed gear unit 2
The lower end surface of guide pillar 26 be in horizontality.
2）Leveling ruler 6 is placed on mill floor, and mixes up level；With the lower end surface of height vernier calliper preliminary surveying guide pillar 26
To the distance of leveling ruler 6, according to the distance surveyed, the leveling ruler 6 of the lower end of guide pillar 26 of uncontrollable jointed gear unit 2 in left side
The upper cushion block 7 for placing corresponding height, dial gauge 8 is placed on cushion block 7, dial gauge contact 81 is resisted against uncontrollable connecting rod
On the lower end surface of guide pillar 26 of transmission mechanism 2, and dial gauge 8 is transferred to zero-bit, the guide pillar of uncontrollable jointed gear unit 2
26 lower end surfaces to the distance of the upside of leveling ruler 6 is designated as B.
3）Dial gauge 8 and cushion block 7 are moved on into the right leading for adjustable jointed gear unit 2 along the upper side of leveling ruler 6
Under the lower end surface of post 26, dial gauge contact 81 is set to be resisted against on the lower end surface of guide pillar 26 of adjustable jointed gear unit 2, can
The lower end surface of guide pillar 26 of the jointed gear unit 2 of regulation to the distance of the upside of leveling ruler 6 is designated as A, reads the reading of dial gauge 8；
4）Several trip bolts 28 on guide pin bushing flange 271 are unclamped, make the axially extending circle 272 on the top of guide pin bushing 27 with inclined
Thimble 4 falls, until exposing several handle screws 41 on the outer peripheral face of eccentric hoop 4, the stud of the left end of handle 9 is screwed into handle spiral shell
In hole 41；
5）The regulation process of eccentric hoop 4 is as follows：
If a, A ＞ B, eccentric hoop 4 is rotated counterclockwise, promotes guide pin bushing 27 and guide pillar 26 to be moved to the lateral direction of crossbeam 1, even
Bar 23 is rotated, the axis formation+α angles of the axis of connecting rod 23 and jointed gear unit 2；
If b, A ＜ B, eccentric hoop 4 is rotated clockwise, promotes guide pin bushing 27 and guide pillar 26 to be moved to the inner side direction of crossbeam 1, even
Bar 23 is rotated, the axis shape angle of-alpha of the axis of connecting rod 23 and jointed gear unit 2；
6）According to step 2）With step 3）Method measure A sizes again, if A-B≤± 0.10mm, regulation terminate；Twist
Lower handle 9, it is upper to derive set 27, the axially extending circle 282 on the top of guide pin bushing 27 is reentered the downside of crossbeam 1 with eccentric hoop 4
In the endoporus of plate flange circle 11, each trip bolt 29 is tightened, the regulation of two-point press Synchronous Transmission is completed.
The present invention is except available for the regulation of two-point press Synchronous Transmission, it can also be used to which four point pressure machine Synchronous Transmissions are adjusted
Section.
In addition to the implementation, the present invention can also have other embodiment, all use equivalent substitution or equivalent transformation shape
Into technical scheme, all fall within the protection domain of application claims.
Claims (6)
1. a kind of two-point press Synchronous Transmission adjusting means, synchronous transmission device includes crossbeam and two groups in crossbeam
Spaced jointed gear unit, every group of jointed gear unit include eccentric gear, heart axle, connecting rod, link pin, semicircle watt,
Guide pillars and bushes, the eccentric gear in the middle part of heart axle with being fixedly connected, and the heart axle two ends are horizontal on the longitudinal both sides of crossbeam, even
Bar upper end is supported on by the connecting-rod bearing on the eccentric segment of the central axial extension of eccentric gear, and connecting rod lower end is by link pin with leading
Post upper end is hinged, and connecting rod lower end termination is supported on by semicircle watt in the half slot of guide pillar upper end, and guide pillar coordinates with guide pin bushing gap；
The eccentric gear of two groups of jointed gear units is longitudinally arranged side by side along crossbeam, and main transmission deceleration device travelling gear is located at two partially
Between heart gear, engaged respectively with two eccentric gears, drive two eccentric gear rotating Vortexes；It is characterized in that：On guide pin bushing
End is radially outward from guide pin bushing flange, and the guide pin bushing flange is fixed on the lower side panel flange circle of crossbeam by several trip bolts,
The axially extending circle on guide pin bushing top is put in the endoporus of crossbeam lower side panel flange circle；In two groups of jointed gear units side by side,
One group is to be provided with eccentric hoop, the bias in uncontrollable jointed gear unit, another group of adjustable jointed gear unit
Ring set is between the axially extending circle on adjustable jointed gear unit guide pin bushing top and the endoporus of crossbeam lower side panel flange circle.
2. the adjusting means of two-point press Synchronous Transmission as claimed in claim 1, it is characterised in that：The eccentric hoop is cylindrical
Eccentric throw between endoporus is 1mm~2mm so that ring body thickness of the eccentric hoop close to eccentric side is less than inclined away from eccentric hoop
The ring body thickness of heart side.
3. two-point press Synchronous Transmission adjusting means as claimed in claim 2, it is characterised in that：The eccentric hoop it is cylindrical and
Eccentric throw between endoporus is 1.5mm.
4. two-point press Synchronous Transmission adjusting means as claimed in claim 1 or 2, it is characterised in that：Close to bias one
Several handle screws are interval with the eccentric hoop outer peripheral face of side.
5. two-point press Synchronous Transmission adjusting means as claimed in claim 1, it is characterised in that：During the eccentric hoop is used
Carbon steel is made.
6. a kind of adjusting method using two-point press Synchronous Transmission adjusting means as claimed in claim 1, its feature exists
In：Comprise the following steps：
1）The crossbeam assembly assembled is supported on mill floor by the contour post under its corner, now two groups of connecting rods
The connecting rod of transmission mechanism has arrived lower dead point position；Adjust the height of contour post so that the guide pillar lower end of each jointed gear unit
End face is in horizontality；
2）Leveling ruler is placed on mill floor, and mixes up level；With height vernier calliper preliminary surveying guide pillar lower end surface to leveling ruler
Distance, according to the distance surveyed, corresponding height is placed on the leveling ruler of the guide pillar lower end of uncontrollable jointed gear unit
Cushion block, dial gauge is placed on cushion block, dial gauge contact is resisted against the guide pillar lower end of uncontrollable jointed gear unit
On end face, and by dial gauge be transferred on the upside of zero-bit, guide pillar lower end surface to the leveling ruler of uncontrollable jointed gear unit away from
From being designated as B；
3）Dial gauge and cushion block are moved on to along the upper side of leveling ruler under the guide pillar lower end surface of adjustable jointed gear unit,
Dial gauge contact is set to be resisted against on the guide pillar lower end surface of adjustable jointed gear unit, adjustable jointed gear unit
Distance on the upside of guide pillar lower end surface to leveling ruler is designated as A, reads the reading of dial gauge；
4）Several trip bolts on guide pin bushing flange are unclamped, the axially extending circle on guide pin bushing top is fallen with eccentric hoop, until
Expose several handle screws on eccentric hoop outer peripheral face, the stud of handle one end is screwed into handle screw；
5）The regulation process of eccentric hoop is as follows：
If a, A ＞ B, eccentric hoop is rotated counterclockwise, promotes guide pin bushing and guide pillar to be moved to cross rail outer direction, link rotatable, even
Axis formation+α the angles of rod axis and jointed gear unit；
If b, A ＜ B, eccentric hoop is rotated clockwise, promotes guide pin bushing and guide pillar to be moved to cross rail inner direction, link rotatable, even
The axis shape angle of-alpha of rod axis and jointed gear unit；
6）According to step 3）Method measure A sizes again, if A-B≤± 0.10mm, regulation terminate；Handle is backed out, is above pushed away
Guide pin bushing, makes the axially extending circle on guide pin bushing top be reentered with eccentric hoop in the endoporus of lower side panel flange circle of crossbeam, tightens
Each trip bolt, completes the regulation of two-point press Synchronous Transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610664533.9A CN106079545B (en) | 2016-08-15 | 2016-08-15 | Two-point press Synchronous Transmission adjusting means and adjusting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610664533.9A CN106079545B (en) | 2016-08-15 | 2016-08-15 | Two-point press Synchronous Transmission adjusting means and adjusting method |
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| Publication Number | Publication Date |
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| CN106079545A CN106079545A (en) | 2016-11-09 |
| CN106079545B true CN106079545B (en) | 2017-10-31 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108036030A (en) * | 2017-12-22 | 2018-05-15 | 于明 | Eccentric structure gear drive semicircle is turned back synchronous rotating mechanism |
| CN110039810B (en) * | 2019-05-14 | 2021-03-12 | 上汽通用五菱汽车股份有限公司 | Method and device for adjusting guide post of eight-connecting-rod press and storage medium |
| CN110126022B (en) * | 2019-06-04 | 2021-01-19 | 北京黎马敦太平洋包装有限公司 | Novel mechanical transmission type high-precision die cutting equipment |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2424783C3 (en) * | 1974-05-22 | 1980-09-18 | Maschinenfabrik Weingarten Ag, 7987 Weingarten | Device for changing the distance between table and ram on a press |
| JPS56158225A (en) * | 1980-05-10 | 1981-12-05 | Noritsu Kikai Kk | Adjusting and locking device for slide of press machine |
| JP4014461B2 (en) * | 2002-07-10 | 2007-11-28 | アイダエンジニアリング株式会社 | Mechanical press drive |
| CN102514224B (en) * | 2011-12-26 | 2014-10-08 | 江苏扬力集团有限公司 | Automatic travel adjusting structure for press |
| CN102581102B (en) * | 2012-02-24 | 2015-01-21 | 苏州大学 | Dual-elbow-rod punch |
| CN104290344B (en) * | 2014-10-16 | 2016-01-20 | 南京航空航天大学 | Dual-Servo Motor drives multi-link lever press and method of work |
| CN105346125A (en) * | 2015-12-03 | 2016-02-24 | 宁波博信机械制造有限公司 | Double-point eccentric gear type multi-linkage mechanism for punch press |
| CN205929548U (en) * | 2016-08-15 | 2017-02-08 | 沃得精机(中国)有限公司 | Two point press synchronous transmission adjusting device |
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2016
- 2016-08-15 CN CN201610664533.9A patent/CN106079545B/en active Active
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