CN102284636B - Lifting mold seat of numerical control punching machine - Google Patents
Lifting mold seat of numerical control punching machine Download PDFInfo
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- CN102284636B CN102284636B CN 201110157487 CN201110157487A CN102284636B CN 102284636 B CN102284636 B CN 102284636B CN 201110157487 CN201110157487 CN 201110157487 CN 201110157487 A CN201110157487 A CN 201110157487A CN 102284636 B CN102284636 B CN 102284636B
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- rotating seat
- seat
- elevating bracket
- ring
- holder
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Abstract
The invention relates to a lifting mold seat of a numerical control punching machine. The lifting mold seat comprises a chassis, a fixed seat, a rotary seat and a lifting seat which are coaxial, wherein the fixed seat is arranged in the chassis; the rotary seat is embedded in the fixed seat; a rotary driving device is connected below the rotary seat; a cushion ring is fixedly arranged on the step of the inner hole wall of the rotary seat; lower wedge-shaped teeth are arranged at the periphery of the upper end surface of the cushion ring; a forming lower mold is arranged in the lifting seat; the lifting seat is positioned in the rotary seat and is in radial clearance fit with the rotary seat; the upper part of the lifting seat is provided with an outer flange; the lower end surface of the outer flange is provided with upper wedge-shaped teeth embedded with the lower wedge-shaped teeth of the cushion ring; the lifting seat is provided with a vertical guide key groove; guide keys are fixed on the periphery of the fixed seat; and the guide keys are inserted into the guide key groove and are in clearance fit with the guide key groove. The rotary seat rotates to enable the forming lower mold to move up and down along with the lifting seat; and the forming lower mold is level to other molds generally, and is higher than other molds in working so as to prevent plates from being scratched or collided.
Description
Technical field
The present invention relates to a kind of lifting die holder of numerical control press, belong to the numerical control machine tool technique field.
Background technology
Usually utilize moulding counterdie machining sheet in the prior art, the moulding counterdie is higher than other Standard Module counterdie, and sheet material is easy to bump with the moulding counterdie during feeding, and the problems such as plate face scuffing can occur.During punch forming, be lower than other counterdie surface such as stripper, plate surface can produce collapse-deformation when making progress moulding, has restricted maximum forming height; Can destroy existing forming hole during to compacted under, these problems do not have good solution for a long time, if the moulding counterdie is far above other mould during duty, the moulding counterdie is concordant with other mould during off working state, and the problems referred to above can be readily solved.
Summary of the invention
The object of the invention is to, overcome problems of the prior art, a kind of lifting die holder of numerical control press is provided, the moulding counterdie can raise during duty, makes its upper surface be higher than other moulds; The moulding counterdie can descend during off working state, makes its upper surface concordant with other moulds.
For solving above technical problem, the lifting die holder of a kind of numerical control press provided by the present invention, comprise the moulding counterdie, comprise the chassis, holder, rotating seat and the elevating bracket that have an axis, described holder is nested in the described chassis and both are fixedly connected with, described rotating seat is nested in the described holder and can rotates in holder, the below of described rotating seat is connected with rotating driving device, the inner hole wall of described rotating seat is provided with step, be installed with gasket ring on the described step, the upper surface periphery of described gasket ring is provided with lower wedge tooth; Described moulding counterdie is installed in the described elevating bracket, described elevating bracket is arranged in described rotating seat and both radial clearances cooperate, the top of described elevating bracket is provided with outward flange, the lower surface of described outward flange is provided with the upper wedge tooth suitable with the lower wedge tooth of described gasket ring upper surface, and described upper wedge tooth is entrenched in the described lower wedge tooth; The circumference of described elevating bracket is provided with vertical guide key groove, is fixed with feather key on the circumference of described holder, and the inner termination of described feather key is inserted in the guide key groove of described elevating bracket and both matched in clearance.
With respect to prior art, the present invention has obtained following beneficial effect: this lifting die holder is when off working state, the upper wedge tooth of elevating bracket is entrenched in the lower wedge tooth of gasket ring, and tooth top separately is positioned at the other side's bottom land, and the upper surface of moulding this moment counterdie is concordant with other moulds; When the moulding counterdie needed work, rotating driving device drove rotating seat and rotates, and the gasket ring that is fixed on the rotating seat endoporus step also rotates thereupon; Because feather key inserts in the vertical guide key groove of elevating bracket and both matched in clearance, feather key stops elevating bracket to rotate with rotating seat, forcing elevating bracket to overcome resistance climbs along wedge is domatic, the lower wedge tooth of the upper wedge tooth of elevating bracket and gasket ring breaks away from chimerism, when both tooth top end faces are in contact with one another, the moulding counterdie rises to peak with elevating bracket, enters duty; Otherwise when rotating driving device driving rotating seat backward rotation, the moulding counterdie will descend with elevating bracket.In a word, the rotatablely moving so that the moulding counterdie moves up and down along axis with elevating bracket of rotating seat so that the upper surface of moulding counterdie is not concordant with other moulds when not working, is higher than other moulds during work, avoids sheet material to hit material or scratches.
As improvement of the present invention, also be provided with locating snap ring in the endoporus on described chassis, described locating snap ring is connected by screw on the lower surface of described holder, and rotary sleeve and the brake hoop of with it radial clearance cooperation is installed in the endoporus of described locating snap ring; Described rotary sleeve and brake hoop all are sleeved on the lower end excircle of described rotating seat, the upper end interference fit of guide finger is fixed on the described rotating seat, insert in the pin-and-hole of described brake hoop and rotary sleeve the lower end of described guide finger, described brake hoop pin-and-hole and rotary sleeve pin-and-hole respectively with the lower end matched in clearance of described guide finger; The upper surface of described brake hoop and described rotating seat be provided with in opposite directions tripping spring between the end face, the spring eye that the lower end of described tripping spring is passed on the described rotary sleeve is supported in the spring groove of described brake hoop upper surface; The inner peripheral wall lower end of described locating snap ring is provided with the up big and down small inside brake conical surface, and the outer circle wall lower end of described brake hoop is provided with the outer braking conical surface that matches with the inside brake conical surface of described locating snap ring.When brake hoop was in lowering position, the outer braking conical surface of its underpart was fitted on the inside brake conical surface of locating snap ring, and the thrust that tripping spring provides makes the rotating seat braking; When rotating driving device drives, drive pin is inserted on the inner peripheral wall of rotating seat lower end in the corresponding groove, while jack-up brake hoop, make tension force that brake hoop overcomes tripping spring along the guide finger segment distance that moves up, the outer drag cone emaciated face of brake hoop bottom breaks away from on-position from the inside brake conical surface of locating snap ring at this moment; When the drive pin of rotating driving device broke away from rotating seat, brake hoop fell the again braking that contacts with the braking surface of locating snap ring.
As a further improvement on the present invention, be fixedly connected with restraining position ring block on the bottom end face of described elevating bracket, the external diameter of described spacing ring is supported with back-moving spring greater than the external diameter of described elevating bracket bottom between the upper surface of described spacing ring and the lower surface of described gasket ring.Back-moving spring can reset for the decline of elevating bracket provides power, adds that the self gravitation of elevating bracket can very promptly reset.
As another improvement of the present invention, described gasket ring is fixedly connected with described rotating seat by positioning key, and an end of described positioning key is fixed by screws in the keyway of described rotating seat, and the other end inserts in the keyway of described gasket ring; The circumference that pressure ring is pressed in described gasket ring is fixedly connected with described rotating seat outward and by screw.Gasket ring firmly can be fixed in the rotary sleeve by positioning key and pressure ring.
Description of drawings
Fig. 1 is the front view of the lifting die holder of numerical control press of the present invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is along the cutaway view of A-A among Fig. 1.
Fig. 4 is the three-dimensional exploded view of the lifting die holder of numerical control press of the present invention.
Fig. 5 is that elevating bracket is when being in low level and the mutual alignment schematic diagram of gasket ring.
Fig. 6 is that elevating bracket is when being in a high position and the mutual alignment schematic diagram of gasket ring.
Among the figure: 1 chassis, 2 locating snap rings, 3 brake hoops, 3a tripping spring, 4 holders, 5 rotating seats, 5a guide finger, 6 rotary sleeves, 7 gasket rings, 7a positioning key, 7b pressure ring, 8 elevating brackets, 8a back-moving spring, 8b spacing ring, 8c feather key, 9 moulding counterdies, 10 rotating driving devices.
The specific embodiment
Such as Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, the lifting die holder of numerical control press of the present invention comprises chassis 1, holder 4, rotating seat 5, elevating bracket 8 and the moulding counterdie 9 that has an axis, holder 4 is nested in the chassis 1 and both are fixedly connected with, rotating seat 5 is nested in the holder 4 and can rotates in holder, and the below of rotating seat 5 is connected with rotating driving device 10.Be respectively equipped with slot on relative two phase places of rotating seat 5 lower end inner peripheral walls, rotating driving device 10 is provided with the drive pin corresponding with two slots, when drive pin is corresponding when inserting in the slot of rotating seat 5, rotating driving device 10 can drive rotating seat 5 and rotate, when drive pin leaves the slot of rotating seat 5, namely stop to drive.
The inner hole wall of rotating seat 5 is provided with step, is installed with gasket ring 7 on the step, and gasket ring 7 is fixedly connected with rotating seat 5 by positioning key 7a, and the end of positioning key 7a is fixed by screws in the keyway of rotating seat 5, and the other end inserts in the keyway of gasket ring 7; The circumference that pressure ring 7b is pressed in gasket ring 7 is fixedly connected with rotating seat 5 outward and by screw, and positioning key 7a and pressure ring 7b firmly are fixed on gasket ring 7 in the rotary sleeve 6 and stop its rotation.The upper surface periphery of gasket ring 7 is provided with lower wedge tooth.
Moulding counterdie 9 is installed in the elevating bracket 8, elevating bracket 8 is arranged in rotating seat 5 and both radial clearances cooperate, the top of elevating bracket 8 is provided with outward flange, and the lower surface of outward flange is provided with the upper wedge tooth suitable with the lower wedge tooth of gasket ring 7 upper surfaces, and upper wedge tooth is entrenched in the lower wedge tooth.The circumference of elevating bracket 8 is provided with vertical guide key groove, be fixed with feather key 8c on the circumference of holder 4, the inner termination of feather key 8c is inserted in the guide key groove of elevating bracket 8 and both matched in clearance, and feather key 8c stops elevating bracket 8 to rotate, and only allows elevating bracket 8 to do elevating movement.
Also be provided with locating snap ring 2 in the endoporus on chassis 1, locating snap ring 2 is connected by screw on the lower surface of holder 4, and rotary sleeve 6 and the brake hoop 3 of with it radial clearance cooperation is installed in the endoporus of locating snap ring 2; Rotary sleeve 6 and brake hoop 3 all are sleeved on the lower end excircle of rotating seat 5, the upper end interference fit of guide finger 5a is fixed on the rotating seat 5, insert in the pin-and-hole of brake hoop 3 and rotary sleeve 6 lower end of guide finger 5a, brake hoop pin-and-hole and rotary sleeve pin-and-hole respectively with the lower end matched in clearance of guide finger 5a; The upper surface of brake hoop 3 and rotating seat 5 be provided with in opposite directions tripping spring 3a between the end face, the spring eye that the lower end of tripping spring 3a is passed on the rotary sleeve 6 is supported in the spring groove of brake hoop 3 upper surfaces; The inner peripheral wall lower end of locating snap ring 2 is provided with the up big and down small inside brake conical surface, and the outer circle wall lower end of brake hoop 3 is provided with the outer braking conical surface that matches with the inside brake conical surface of locating snap ring 2.
Be fixedly connected with restraining position ring block 8b on the bottom end face of elevating bracket 8, the external diameter of spacing ring 8b is supported with back-moving spring 8a greater than the external diameter of elevating bracket 8 bottoms between the lower surface of the upper surface of spacing ring 8b and gasket ring 7.
As shown in Figure 5, the lifting die holder is when off working state, and the upper wedge tooth of elevating bracket 8 is entrenched in the lower wedge tooth of gasket ring 7, and tooth top separately is positioned at the other side's bottom land, and the upper surface of moulding this moment counterdie 9 is concordant with other moulds.At this moment, brake hoop 3 is in lowering position, and the outer braking conical surface of its underpart is fitted on the inside brake conical surface of locating snap ring 2, and the thrust that tripping spring 3a provides makes rotating seat 5 brakings.
When moulding counterdie 9 needs work, two drive pins on the rotating driving device 10 are corresponding to be inserted in two relative on the rotating seat 5 lower end inner peripheral walls grooves, while jack-up brake hoop 3, make tension force that brake hoop 3 overcomes tripping spring 3a along the guide finger 5a segment distance that moves up, the outer drag cone emaciated face of brake hoop 3 bottoms breaks away from on-position from the inside brake conical surface of locating snap ring 2 at this moment.Then rotating driving device 10 drives rotating seat 5 rotations, and the gasket ring 7 that is fixed on the rotating seat 5 endoporus steps also rotates thereupon; Because feather key 8c stops elevating bracket 8 with rotating seat 5 rotations, forces elevating bracket 8 to overcome resistance and climbs along wedge is domatic, the lower wedge tooth of the upper wedge tooth of elevating bracket 8 and gasket ring 7 breaks away from chimerism.As shown in Figure 6, when both tooth top end faces were in contact with one another, moulding counterdie 9 rose to peak with elevating bracket 8, enters duty.
Behind the end-of-job, rotating driving device 10 drives rotating seat 5 backward rotation, and under the effect of back-moving spring 8a and self gravitation, elevating bracket 8 falls after rise rapidly, and moulding counterdie 9 will descend with elevating bracket 8, so that the upper surface of moulding counterdie 9 is concordant with other moulds.When the drive pin of rotating driving device 10 broke away from rotating seat 5, brake hoop 3 fell the again braking that contacts with the braking surface of locating snap ring 2.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of requirement of the present invention.
Claims (4)
1. the lifting die holder of a numerical control press, comprise the moulding counterdie, it is characterized in that: comprise the chassis, holder, rotating seat and the elevating bracket that have an axis, described holder is nested in the described chassis and both are fixedly connected with, described rotating seat is nested in the described holder and can rotates in holder, the below of described rotating seat is connected with rotating driving device, the inner hole wall of described rotating seat is provided with step, be installed with gasket ring on the described step, the upper surface periphery of described gasket ring is provided with lower wedge tooth; Described moulding counterdie is installed in the described elevating bracket, described elevating bracket is arranged in described rotating seat and both radial clearances cooperate, the top of described elevating bracket is provided with outward flange, the lower surface of described outward flange is provided with the upper wedge tooth suitable with the lower wedge tooth of described gasket ring upper surface, and described upper wedge tooth is entrenched in the described lower wedge tooth; The circumference of described elevating bracket is provided with vertical guide key groove, is fixed with feather key on the circumference of described holder, and the inner termination of described feather key is inserted in the guide key groove of described elevating bracket and both matched in clearance.
2. the lifting die holder of numerical control press according to claim 1, it is characterized in that: also be provided with locating snap ring in the endoporus on described chassis, described locating snap ring is connected by screw on the lower surface of described holder, and rotary sleeve and the brake hoop of with it radial clearance cooperation is installed in the endoporus of described locating snap ring; Described rotary sleeve and brake hoop all are sleeved on the lower end excircle of described rotating seat, the upper end interference fit of guide finger is fixed on the described rotating seat, insert in the pin-and-hole of described brake hoop and rotary sleeve the lower end of described guide finger, described brake hoop pin-and-hole and rotary sleeve pin-and-hole respectively with the lower end matched in clearance of described guide finger; The upper surface of described brake hoop and described rotating seat be provided with in opposite directions tripping spring between the end face, the spring eye that the lower end of described tripping spring is passed on the described rotary sleeve is supported in the spring groove of described brake hoop upper surface; The inner peripheral wall lower end of described locating snap ring is provided with the up big and down small inside brake conical surface, and the outer circle wall lower end of described brake hoop is provided with the outer braking conical surface that matches with the inside brake conical surface of described locating snap ring.
3. the lifting die holder of numerical control press according to claim 1 and 2, it is characterized in that: be fixedly connected with restraining position ring block on the bottom end face of described elevating bracket, the external diameter of described spacing ring is supported with back-moving spring greater than the external diameter of described elevating bracket bottom between the upper surface of described spacing ring and the lower surface of described gasket ring.
4. the lifting die holder of numerical control press according to claim 1 and 2, it is characterized in that: described gasket ring is fixedly connected with described rotating seat by positioning key, one end of described positioning key is fixed by screws in the keyway of described rotating seat, and the other end inserts in the keyway of described gasket ring; The circumference that pressure ring is pressed in described gasket ring is fixedly connected with described rotating seat outward and by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110157487 CN102284636B (en) | 2011-06-13 | 2011-06-13 | Lifting mold seat of numerical control punching machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110157487 CN102284636B (en) | 2011-06-13 | 2011-06-13 | Lifting mold seat of numerical control punching machine |
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| Publication Number | Publication Date |
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| CN102284636A CN102284636A (en) | 2011-12-21 |
| CN102284636B true CN102284636B (en) | 2013-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110157487 Active CN102284636B (en) | 2011-06-13 | 2011-06-13 | Lifting mold seat of numerical control punching machine |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102989850A (en) * | 2012-11-21 | 2013-03-27 | 张家港和升数控机床制造有限公司 | Die elevating device applied to tube bending machine |
| DE102014205249B4 (en) * | 2014-03-20 | 2017-11-16 | Trumpf Werkzeugmaschinen Gmbh + Co. Kg | Tool for a universal punching machine, universal punching machine with such a tool and method for operating a universal punching machine with such a tool |
| CN104550480B (en) * | 2015-01-08 | 2017-05-10 | 奇瑞汽车股份有限公司 | Terrace die core for vehicle ceiling and using method thereof |
| CN106799420A (en) * | 2015-11-26 | 2017-06-06 | 刘创 | A kind of new many die press |
| CN107866486A (en) * | 2016-09-27 | 2018-04-03 | 褚瑜 | Mould lift lug |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4213271B2 (en) * | 1998-11-04 | 2009-01-21 | 株式会社アマダ | Turret punch press |
| CN2618700Y (en) * | 2003-05-02 | 2004-06-02 | 江苏金方圆数控机床有限公司 | Movable mold seat of shadow stretching mold of digital control turret punching machine |
| JP5115158B2 (en) * | 2007-11-19 | 2013-01-09 | 村田機械株式会社 | Press machine |
| CN202129368U (en) * | 2011-06-13 | 2012-02-01 | 江苏金方圆数控机床有限公司 | Lifting die holder of punching machine |
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| CN102284636A (en) | 2011-12-21 |
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