CN103802357A - Upper die and die using same - Google Patents

Upper die and die using same Download PDF

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Publication number
CN103802357A
CN103802357A CN201410031508.8A CN201410031508A CN103802357A CN 103802357 A CN103802357 A CN 103802357A CN 201410031508 A CN201410031508 A CN 201410031508A CN 103802357 A CN103802357 A CN 103802357A
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CN
China
Prior art keywords
working
standing
axle
axis hole
die
Prior art date
Application number
CN201410031508.8A
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Chinese (zh)
Other versions
CN103802357B (en
Inventor
宋克兴
张学宾
邓猛
赵培峰
周严军
李红霞
张彦敏
国秀花
李宁宁
乔艳艳
何霞
赵亚永
张素霞
Original Assignee
河南科技大学
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Application filed by 河南科技大学 filed Critical 河南科技大学
Priority to CN201410031508.8A priority Critical patent/CN103802357B/en
Publication of CN103802357A publication Critical patent/CN103802357A/en
Application granted granted Critical
Publication of CN103802357B publication Critical patent/CN103802357B/en

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Abstract

The invention relates to an upper die and a die using the same. The die comprises the upper die and a lower die, wherein the upper die and the lower die are used cooperatively. The upper die comprises a fixing portion and a work portion, wherein the fixing portion and the work portion are split. The work portion is hung at the lower end of the fixing portion through a hanging structure. The hanging structure comprises a shaft hole and a shaft, wherein the axis of the shaft hole extends in the vertical direction, and the shaft is inserted in the shaft hole. The shaft and the shaft hole are provided with an internal key groove and an external key groove respectively, wherein the internal key groove and the external key groove are communicated with each other, and the opening of the internal key groove and the opening of the external key groove are opposite. Key blocks preventing the shaft from being separated from the shaft hole in the vertical direction are respectively inserted in the internal key groove and the external key groove. The invention provides the upper die low in manufacturing cost and the die using the same.

Description

A kind of patrix and use the mould of this patrix

Technical field

The present invention relates to for the patrix on forcing press and use the mould of this patrix.

Background technology

Patrix in use roughly can be divided into two parts, for the working portion coordinating with workpiece and the standing part for coordinating with die holder that is arranged at working portion upper end, standing part is mainly used in patrix to be fixed on die holder, and working portion is mainly used in pushing workpiece.Standing part and working portion are integrated in the prior art, so just there are a lot of problems, such as patrix is when for large pressing machine, because the tonnage of forcing press is larger, so the size of patrix and weight are also all very large, the weight of patrix often reaches several even tens tons, due to working portion and standing part one-body molded, so working portion and standing part must all adopt expensive die steel material, this makes the cost of manufacture of patrix very high; In addition, the moulding of some parts needs multiple tracks extrusion process, need on die holder, change the patrix of number of different types, and all need a large amount of labours because the large Heavy Weight of volume of each patrix just causes the replacing of each patrix, the efficiency that patrix is changed is simultaneously also very low.

Summary of the invention

The object of the present invention is to provide the patrix that a kind of cost of manufacture is low; The present invention also aims to provide a kind of mould that uses this patrix.

In order to address the above problem, in the present invention, the technical scheme of patrix is:

A kind of patrix, comprise standing part and working portion that split arranges, working portion is mounted on standing part lower end by hanging structure, hanging structure comprises the axis hole that axis extends along the vertical direction and is inserted into the axle in described axis hole, on described axle, axis hole, offer and be interconnected and inside and outside keyway that notch is relative, in inside and outside keyway, be fitted with prevent described axle on above-below direction by the key piece of deviating from described axis hole.

Described axle is arranged on described working portion upper end, described axle and described working portion form " protruding " character form structure, described axis hole is arranged on described standing part lower end, described axis hole and described standing part form " recessed " character form structure, the shoulder of described working portion contacts top and presses power transmission to coordinate with the shoulder of described standing part, at the bottom of the hole of described axis hole and between the upper surface of described axle, have gap, the height of described inside and outside keyway on above-below direction is all greater than the height of described key piece.

Described axle is arranged on described standing part lower end, described axle and described standing part form inverted "convex" shape structure, described axis hole is arranged on described working portion upper end, described axis hole and described working portion form " recessed " character form structure, the lower surface of described axle with at the bottom of the hole of described axis hole, contact top press power transmission coordinate, between the shoulder of described working portion and the shoulder of described standing part, have gap, the height of described inside and outside keyway on above-below direction is all greater than the height of described key piece.

In the present invention, the technical scheme of mould is:

Mould, comprise the upper die and lower die that are used in conjunction with, described patrix comprises standing part and the working portion that split arranges, working portion is mounted on standing part lower end by hanging structure, hanging structure comprises the axis hole that axis extends along the vertical direction and is inserted into the axle in described axis hole, on described axle, axis hole, offer and be interconnected and inside and outside keyway that notch is relative, in inside and outside keyway, be fitted with prevent described axle on above-below direction by the key piece of deviating from described axis hole.

Described axle is arranged on described working portion upper end, described axle and described working portion form " protruding " character form structure, described axis hole is arranged on described standing part lower end, described axis hole and described standing part form " recessed " character form structure, the shoulder of described working portion contacts top and presses power transmission to coordinate with the shoulder of described standing part, at the bottom of the hole of described axis hole and between the upper surface of described axle, have gap, the height of described inside and outside keyway on above-below direction is all greater than the height of described key piece.

Described axle is arranged on described standing part lower end, described axle and described standing part form inverted "convex" shape structure, described axis hole is arranged on described working portion upper end, described axis hole and described working portion form " recessed " character form structure, the lower surface of described axle with at the bottom of the hole of described axis hole, contact top press power transmission coordinate, between the shoulder of described working portion and the shoulder of described standing part, have gap, the height of described inside and outside keyway on above-below direction is all greater than the height of described key piece.

Beneficial effect of the present invention is: the patrix in the present invention comprises standing part and the working portion that two-piece unit arranges, by the key piece that installs in inside and outside keyway realize prevent axle on above-below direction by deviating from axis hole, realize working portion is mounted on standing part like this, the standing part of split setting and working portion can select different materials to make, standing part can be selected common material, as long as can guarantee the intensity in the patrix course of work, so just greatly reduce the cost of manufacture of patrix; In addition in the time that needs carry out other extrusion process, do not need whole patrix to replace completely, key piece is decorporated, deviate from just can realize separating of working portion and standing part in by axis hole at the effect lower shaft of deadweight, again next working portion is installed on this standing part, do not need to carry out the replacing completely of whole patrix, the volume and weight of working portion is compared with whole patrix and is reduced and working portion separates with standing part and all makes the dismounting and change of working portion more simple and convenient by deadweight.

Further, axle is arranged on described working portion upper end, axis hole is arranged on standing part lower end, because the height of inside and outside keyway on above-below direction is all greater than the height of key piece, so after working portion is mounted on standing part, under the Action of Gravity Field of working portion, key piece can contact cooperation with the upside cell wall of internal keyway, between the downside cell wall of key piece and internal keyway, has end play; Key piece can contact cooperation with the downside cell wall of outside keyway, between the upside cell wall of key piece and outside keyway, there is end play, and the shoulder of working portion and the shoulder of standing part contact top pressure power transmission cooperation, in the time that standing part applies downward direction active force to working portion, power directly passes to the shoulder of working portion and then passes to working portion through the shoulder of standing part, standing part can not given the unnecessary shearing force of key piece, key piece, only with the gravity of bearing working portion, has guaranteed the service life of key piece.

Further, axle is arranged on standing part lower end, axis hole is arranged on working portion upper end, because the height of inside and outside keyway on above-below direction is all greater than the height of key piece, so after working portion is mounted on standing part, under the Action of Gravity Field of working portion, key piece can contact cooperation with the upside cell wall of outside keyway, between the downside cell wall of key piece and outside keyway, has end play; Key piece can contact cooperation with the downside cell wall of internal keyway, between the upside cell wall of key piece and internal keyway, there is end play, between the shoulder of working portion and the shoulder of standing part, there is gap, in the time that standing part applies downward direction active force to working portion, at the bottom of the direct warp beam of power passes to the hole of axis hole and then transmit each working portion, standing part can not given the unnecessary shearing force of key piece, and key piece, only with the gravity of bearing working portion, has guaranteed the service life of key piece.

Accompanying drawing explanation

Fig. 1 is the structural representation of an embodiment of patrix in the present invention;

Fig. 2 is the A place enlarged drawing in Fig. 1.

The specific embodiment

The embodiment of mould is as shown in Figure 1 and 2: comprise the upper die and lower die (not shown) being used in conjunction with, patrix comprises standing part 3 and the working portion 6 that split arranges, working portion is mounted on standing part lower end by hanging structure, standing part is used for being assemblied in die holder, and working portion is for contact squeeze workpiece.Hanging structure comprises and is arranged at the axis hole 1 that the axis of standing part lower end extends along the vertical direction, hanging structure also comprises the axle 2 in axis hole that is inserted into that is arranged at working portion upper end, axis hole and standing part form " recessed " character form structure, and axle and working portion form " protruding " character form structure.On axle, axis hole, offer and be interconnected and internal keyway 8 and outside keyway 11 that notch is relative, in inside and outside keyway, be fitted with prevent axle on above-below direction by the key piece 5 of deviating from axis hole, the height of inside and outside keyway on above-below direction is all greater than the height of key piece, coordinate so key piece contacts power transmission with the upside cell wall of internal keyway, between the downside cell wall 9 of key piece and internal keyway, there is end play; Key piece contacts cooperation with the downside cell wall of outside keyway, between the upside cell wall 10 of key piece and outside keyway, has end play, and the shoulder 12 of working portion contacts top and presses power transmission to coordinate with the shoulder of standing part, at the bottom of the hole of axis hole and between the upper surface of axle, have gap.For convenience of the dismounting of working portion, on the outer peripheral face of working portion, be provided with fabrication hole 7, in the process of installation or removal, can insertion tool (as crowbar) in fabrication hole to adjust the centering of working portion and standing part; For avoiding interfering, the diameter d of standing part is less than the diameter D of working portion.

In the present invention, mould is particularly useful for using on large pressing machine, and the patrix using on large-scale backward extrusion forcing press often reaches several even tens tons, and the moulding of part also needs multiple working procedure.Take certain large-scale extrusion backward extrusion as example, patrix weight is 4 tons, adopts after the upper die structure in the present invention, and the weight of working portion is 1.5 tons, adopts mould steel; The weight of standing part is 2.5 tons, adopts 45 steel, only patrix cost savings 40% compared with traditional patrix.In actual use, by blank heating, put into counterdie and carry out backward extrusion, in the time of different operations, need to use different working portion patrixes, in the time that needs are changed working portion, along the grafting direction of key piece, key is unloaded soon, axle can be smoothly by deviating from axis hole, working portion can rely on deadweight just can realize and the separating of standing part, and the dismounting and change of working portion is very simple and convenient; The diameter d of standing part can also be more than or equal to the diameter D of working portion.

In other embodiment of this mould: the position of axle, axis hole can also exchange, such as axle is arranged on to standing part lower end, axis hole is arranged on to working portion upper end, now axle and standing part form inverted "convex" shape structure, axis hole and working portion form " recessed " character form structure, the lower surface of axle with at the bottom of the hole of axis hole, contact top press power transmission coordinate, between the shoulder of working portion and the shoulder of standing part, have gap, the height of inside and outside keyway on above-below direction is all greater than the height of described key piece.

The embodiment of patrix is as shown in Figure 1 and 2: the concrete structure of patrix is identical with the patrix described in above-mentioned each mould embodiment, is not described in detail in this.

Claims (6)

1. a patrix, it is characterized in that: comprise standing part and working portion that split arranges, working portion is mounted on standing part lower end by hanging structure, hanging structure comprises the axis hole that axis extends along the vertical direction and is inserted into the axle in described axis hole, on described axle, axis hole, offer and be interconnected and inside and outside keyway that notch is relative, in inside and outside keyway, be fitted with prevent described axle on above-below direction by the key piece of deviating from described axis hole.
2. patrix according to claim 1, it is characterized in that: described axle is arranged on described working portion upper end, described axle and described working portion form " protruding " character form structure, described axis hole is arranged on described standing part lower end, described axis hole and described standing part form " recessed " character form structure, the shoulder of described working portion contacts top and presses power transmission to coordinate with the shoulder of described standing part, at the bottom of the hole of described axis hole and between the upper surface of described axle, have gap, the height of described inside and outside keyway on above-below direction is all greater than the height of described key piece.
3. patrix according to claim 1, it is characterized in that: described axle is arranged on described standing part lower end, described axle and described standing part form inverted "convex" shape structure, described axis hole is arranged on described working portion upper end, described axis hole and described working portion form " recessed " character form structure, the lower surface of described axle with at the bottom of the hole of described axis hole, contact top press power transmission coordinate, between the shoulder of described working portion and the shoulder of described standing part, have gap, the height of described inside and outside keyway on above-below direction is all greater than the height of described key piece.
4. mould, comprise the upper die and lower die that are used in conjunction with, it is characterized in that: described patrix comprises standing part and the working portion that split arranges, working portion is mounted on standing part lower end by hanging structure, hanging structure comprises the axis hole that axis extends along the vertical direction and is inserted into the axle in described axis hole, on described axle, axis hole, offer and be interconnected and inside and outside keyway that notch is relative, in inside and outside keyway, be fitted with prevent described axle on above-below direction by the key piece of deviating from described axis hole.
5. mould according to claim 4, it is characterized in that: described axle is arranged on described working portion upper end, described axle and described working portion form " protruding " character form structure, described axis hole is arranged on described standing part lower end, described axis hole and described standing part form " recessed " character form structure, the shoulder of described working portion contacts top and presses power transmission to coordinate with the shoulder of described standing part, at the bottom of the hole of described axis hole and between the upper surface of described axle, have gap, the height of described inside and outside keyway on above-below direction is all greater than the height of described key piece.
6. mould according to claim 4, it is characterized in that: described axle is arranged on described standing part lower end, described axle and described standing part form inverted "convex" shape structure, described axis hole is arranged on described working portion upper end, described axis hole and described working portion form " recessed " character form structure, the lower surface of described axle with at the bottom of the hole of described axis hole, contact top press power transmission coordinate, between the shoulder of described working portion and the shoulder of described standing part, have gap, the height of described inside and outside keyway on above-below direction is all greater than the height of described key piece.
CN201410031508.8A 2014-01-23 2014-01-23 A kind of patrix and use the mould of this patrix CN103802357B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410031508.8A CN103802357B (en) 2014-01-23 2014-01-23 A kind of patrix and use the mould of this patrix

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410031508.8A CN103802357B (en) 2014-01-23 2014-01-23 A kind of patrix and use the mould of this patrix

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CN103802357A true CN103802357A (en) 2014-05-21
CN103802357B CN103802357B (en) 2016-04-27

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU772888A1 (en) * 1979-04-12 1980-10-23 Предприятие П/Я М-5481 Device for securing dies
CN201095199Y (en) * 2007-06-06 2008-08-06 沈建民 Concave-convex connection mechanism for rotating tablet press die
CN102029323A (en) * 2009-09-29 2011-04-27 中煤张家口煤矿机械有限责任公司 Ring forge piece punching and cutting composite type mould
CN201969750U (en) * 2010-12-13 2011-09-14 泰安华鲁锻压机床有限公司 Bending die for plate bending machine
CN202264420U (en) * 2011-09-20 2012-06-06 江苏中鹏新材料股份有限公司 Mold frame of rotary cake punching machine for producing epoxy molding compound
JP2013128971A (en) * 2011-12-22 2013-07-04 Sumitomo Heavy Industries Techno-Fort Co Ltd Bed for press machine
CN203766094U (en) * 2014-01-23 2014-08-13 河南科技大学 Upper die and die with same

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU772888A1 (en) * 1979-04-12 1980-10-23 Предприятие П/Я М-5481 Device for securing dies
CN201095199Y (en) * 2007-06-06 2008-08-06 沈建民 Concave-convex connection mechanism for rotating tablet press die
CN102029323A (en) * 2009-09-29 2011-04-27 中煤张家口煤矿机械有限责任公司 Ring forge piece punching and cutting composite type mould
CN201969750U (en) * 2010-12-13 2011-09-14 泰安华鲁锻压机床有限公司 Bending die for plate bending machine
CN202264420U (en) * 2011-09-20 2012-06-06 江苏中鹏新材料股份有限公司 Mold frame of rotary cake punching machine for producing epoxy molding compound
JP2013128971A (en) * 2011-12-22 2013-07-04 Sumitomo Heavy Industries Techno-Fort Co Ltd Bed for press machine
CN203766094U (en) * 2014-01-23 2014-08-13 河南科技大学 Upper die and die with same

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