CN209094311U - A kind of punching die - Google Patents

A kind of punching die Download PDF

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Publication number
CN209094311U
CN209094311U CN201821541118.5U CN201821541118U CN209094311U CN 209094311 U CN209094311 U CN 209094311U CN 201821541118 U CN201821541118 U CN 201821541118U CN 209094311 U CN209094311 U CN 209094311U
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CN
China
Prior art keywords
punch
die holder
die
punching
support column
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Active
Application number
CN201821541118.5U
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Chinese (zh)
Inventor
刘宁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Puxin Mould Co Ltd
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Shandong Puxin Mould Co Ltd
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Priority to CN201821541118.5U priority Critical patent/CN209094311U/en
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Publication of CN209094311U publication Critical patent/CN209094311U/en
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Abstract

The utility model discloses a kind of punching dies, it include: upper mold group, lower die holder, formed punch and spring, it is characterized in that, the upper mold group includes upper die holder, support column, fixing seat, and formed punch is fixedly connected with upper die holder, and spring is set on formed punch, upper end of support column is fixedly connected with fixing seat, upper die holder is flexibly connected with support column fulcrum, and the distance of fulcrum to formed punch is less than the half of upper die holder length, and lower die holder is equipped with the through-hole to match with formed punch.The utility model, which provides big punching die, has many advantages, such as that punching speed is fast, it is high to save production cost, punching precision.

Description

A kind of punching die
Technical field
The utility model relates to arrive automobile manufacturing field, and in particular to arrive a kind of punching die.
Background technique
Since weld car workshop power is mainly based on compressed air, air pressure exists usually in 0.3-0.5MPa Certain fluctuation, power caused by a biggish cylinder is typically less than 9800N, and normally wants the dynamics of the punching on plate Also to reach the power of newton up to ten thousand, so the punching die that design can be improved active force is particularly important.And it rushes in the prior art The control of hole precision is more single, cannot be directed to the punching demand of different depth.
Utility model content
In view of the deficiencies of the prior art, that the purpose of the utility model is to provide a kind of punching speed is fast, production cost is low, punching The high punching die of hole precision.
The utility model is to solve above-mentioned technical problem by the following technical programs:
A kind of punching die, comprising: upper mold group, lower die holder, formed punch and spring, upper mold group include upper die holder, support column again And fixing seat, formed punch are fixedly connected with upper die holder, spring is set on formed punch, and upper end of support column is fixedly connected with fixing seat, on Die holder is flexibly connected with support column fulcrum, and the distance of fulcrum to formed punch is less than the half of upper die holder length, and lower die holder is equipped with and punching The through-hole that head matches.
Further, the spring upper end connects upper die holder, and lower end connects lower die holder.
Further, the formed punch and upper die holder are integrally formed.
Further, the support column and fixing seat are integrally formed.
Further, the fulcrum of the support column is spherical shape, and upper die holder is equipped with the spherical groove to match with fulcrum spherical shape.
Further, the lower die holder side is additionally provided with limit hole, and the formed punch lower end is equipped with card slot, and locating part is logical Limit hole is crossed to arrive at the card slot of formed punch.
Further, the locating part matches with punching depth.
Further, the locating part thickness matches with punching depth.
Further, the locating part can change thickness by superposition or directly replace with the limit of different-thickness Part.
On the basis of meeting general knowledge known in this field, above-mentioned each optimum condition can any combination, both the utility model Embodiment.
The utility model has the following positive effects:
The punching die of the utility model utilizes lever principle, may be implemented in the case where applying equivalent effect power, right Formed punch applies bigger actual force;Formed punch is driven using the spring being arranged outside formed punch, makes formed punch that can return to original after punching Position, without artificial plug formed punch;Using limiting device, different needs can be directed to, ram impacts depth is precisely controlled;Support column Fulcrum be it is spherical and it is interior sink into upper die holder, the stability of fulcrum may be implemented.
Detailed description of the invention:
Fig. 1 is a kind of punching die;
Fig. 2 is a kind of punching die;
In figure, 1- lower die holder, 2- formed punch, 3- spring, 4- upper die holder, 5- fixing seat, 6- support column, 7- fulcrum, 8- through-hole, 9- card slot, 10- limit hole.
Specific embodiment
Embodiment
As shown in Figure 1, a kind of punching die of the utility model comprising there are upper mold group, lower die holder, formed punch and spring, Upper mold group includes upper die holder, support column and fixing seat again, and formed punch and upper die holder are integrally formed, and the lower end of formed punch is equipped with card slot;Bullet Spring is set on formed punch, and spring is undeformed in a non-operative state, and spring upper end connects upper die holder, and lower spring end connects lower die Seat;Upper end of support column and fixing seat are integrally formed, and upper die holder is flexibly connected with support column fulcrum, and fulcrum is spherical shape, and upper die holder is set There is the spherical groove to match with fulcrum spherical shape, sink into spherical groove in spherical fulcrum, the distance of fulcrum to formed punch is less than upper die holder The half of length;Lower die holder is equipped with the through-hole to match with formed punch, and lower die holder side is additionally provided with limit hole, and locating part passes through limit Hole arrives at the card slot of formed punch.
When the punching die of the utility model is punched out, the active force of cylinder is directly applied at the arrow in Fig. 1, should The distance of point to fulcrum is greater than formed punch to the distance of fulcrum, and formed punch moves down, and locating part is slided to by the bottom of formed punch card slot When the top of card slot, formed punch exposes the outer surface of lower die holder, is punched out to the workpiece below lower die holder, at this point, spring is squeezed Compressive strain.After the completion of punching press, formed punch is driven to spring back formed punch out of lower die holder by spring, the bottom of formed punch will be shunk simultaneously Into in the through-hole of lower die holder, that is, workpiece after can be taken off punching, without manually plugging and unplugging formed punch, to guarantee workpiece punching Precision.Meanwhile the time of punching is reduced, the speed of punching is improved, thus save the cost.
Wherein, the diameter of through-hole is slightly larger than the diameter of formed punch, and there are gaps between through-hole and formed punch, facilitate punching die Assembling, and avoid and stuck phenomenon occurs between formed punch and lower die holder;Upper die holder connects the partially larger than spring diameter of formed punch, makes It obtains spring upper end to be resisted against on upper die holder, so that upper die holder uniform force, further increases the machining accuracy of punching die.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (7)

1. a kind of punching die, comprising: upper mold group, lower die holder, formed punch and spring, which is characterized in that the upper mold group includes Upper die holder, support column, fixing seat, formed punch are fixedly connected with upper die holder, and spring is set on formed punch, upper end of support column and fixing seat It is fixedly connected, upper die holder is flexibly connected with support column fulcrum, and the distance of fulcrum to formed punch is less than the half of upper die holder length, lower die Seat is equipped with the through-hole to match with formed punch.
2. a kind of punching die according to claim 1, which is characterized in that the spring upper end connects upper die holder, lower end Connect lower die holder.
3. a kind of punching die according to claim 1, which is characterized in that the formed punch and upper die holder is integrally formed.
4. a kind of punching die according to claim 1, which is characterized in that the support column and fixing seat one at Type.
5. a kind of punching die according to claim 1, which is characterized in that the fulcrum of the support column is spherical shape, on Die holder is equipped with the spherical groove to match with fulcrum spherical shape.
6. a kind of punching die according to claim 1, which is characterized in that the lower die holder side is additionally provided with limit Hole, the formed punch lower end are equipped with card slot, and locating part is arrived at the card slot of formed punch by limit hole.
7. a kind of punching die according to claim 6, which is characterized in that the locating part thickness and punching depth phase Matching.
CN201821541118.5U 2018-09-20 2018-09-20 A kind of punching die Active CN209094311U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821541118.5U CN209094311U (en) 2018-09-20 2018-09-20 A kind of punching die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821541118.5U CN209094311U (en) 2018-09-20 2018-09-20 A kind of punching die

Publications (1)

Publication Number Publication Date
CN209094311U true CN209094311U (en) 2019-07-12

Family

ID=67153153

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821541118.5U Active CN209094311U (en) 2018-09-20 2018-09-20 A kind of punching die

Country Status (1)

Country Link
CN (1) CN209094311U (en)

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