CN209716223U - One kind is convenient for manufacture and the better drawing die of heat-conducting effect - Google Patents
One kind is convenient for manufacture and the better drawing die of heat-conducting effect Download PDFInfo
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- CN209716223U CN209716223U CN201920268442.2U CN201920268442U CN209716223U CN 209716223 U CN209716223 U CN 209716223U CN 201920268442 U CN201920268442 U CN 201920268442U CN 209716223 U CN209716223 U CN 209716223U
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Abstract
The utility model provides a kind of convenient for manufacture and the better drawing die of heat-conducting effect, maintenance is facilitated using split type forming punching head, heat-conducting block, punch support main body, reduce maintenance cost, the lateral wall that the heat-conducting block is arranged in open thermal trough is facilitated into processing and manufacturing, is convenient for industrial mass manufacture.Open thermal trough is using the disconnected design of head and the tail simultaneously, so that heat-conducting medium is one-way flow inside it when use, it is ensured that thermally conductive medium does not stop in a mold, guarantees that thermally conductive medium takes away energy to greatest extent.It is sealed isolation in each connecting portion setting sealing element, effectively prevents heat-conducting medium from infiltrating the product that pollution stretches.
Description
[technical field]
It is especially a kind of convenient for manufacture and thermally conductive the utility model relates to a kind of drawing die with cooling protection function
The better drawing die of effect.
[background technique]
Chinese utility model patent, application number 201820174287.3, Authorization Notice No. CN 207857652, Granted publication
Day 2018.09.14, a kind of cooling protection system of deep drawn mold, including punch body are specifically disclosed, and in formed punch master
Cooling water channel part and punching press discharge portion on body, the punch body include punch tip, punch support body and punching
Head connecting pin, and punch body all parts it is fixed-type be integrated, punch tip and cavity plate cooperate, formed punch connecting pin with
The link slot of upper mold connects, and the cooling water channel includes into Shui Lu, revolution water route and water outlet path, the revolution water route molding
It is connect in punch tip entity, and with water inlet road, water outlet path.It in the entity of punch tip by being arranged revolution water
Cooling is played the role of in road, cooling water channel part, reduces the deformation of mold, reduces the abrasion of mold, and that improves mold uses the longevity
Life, solving deep drawn mould, mold is easy expansion in the case where heated during processing, is deformed, increased wear,
The shortcomings that reducing die life.But there is also following disadvantages:
One, it turns round water route and is molded in punch tip entity, although structure design is very novel, specially in conjunction with this
The Figure of description 1 of benefit is it is found that because the revolution water route of the patent is only connected to water inlet road with water outlet path, in actual production process
In be difficult manufacture can not even manufacture to obtain the revolution water route so that the patent can only stop theoretically, it is also necessary into one
Step optimization.
Two, revolution water route is ring-shaped, head and the tail are connected to, after this structure makes cooling water enter revolution water route from water inlet road
Cooling water can be divided into two-way and flow to water outlet path, form two-way flow, all the way in the counterclockwise direction, another way along clockwise direction,
As shown in Figure 1, finally converging in water outlet path and the junction in revolution water route, there can be following phenomenon: the cooling water of two-way at this time
It liquidates to form intersectional region, then a part of cooling water is flowed out from water outlet path, but some cooling water can be trapped in this
Intersectional region, so that the heat in cooling water that this part is detained can not be discharged in time, so that cooling effect is reduced, because
The refrigerating function of this cooling system can also also advanced optimize.
[utility model content]
To overcome defect existing for existing equipment, the utility model lies in that providing, one kind being convenient for manufacture and heat-conducting effect is more preferable
Drawing die, using split type design, so that easily manufactured, one-way heat conduction medium channel, so that heat-conducting effect is more preferable.
The utility model is realized in this way: one kind is convenient for manufacture and the better drawing die of heat-conducting effect, including fission
The forming punching head of formula, heat-conducting block, punch support main body；It is disconnected spacious that the lateral wall of the heat-conducting block offers entrance and exit
Mouth thermal trough, one end of the heat-conducting block offer the first intake channel and first outlet channel respectively, and first import is logical
Road is connected to the entrance of the open thermal trough, and the first outlet channel is connected to the outlet of the open thermal trough；The formed punch
One end of supportive body offers open holding tank, the other end of the punch support main body be also provided with the second intake channel and
Second outlet channel；The forming punching head is fixedly connected on the other end of the heat-conducting block, and one end of the heat-conducting block is embedded in institute
It states in open holding tank, and the inner sidewall of the open holding tank closes the open thermal trough, first intake channel
It is connected to the second intake channel, the first outlet channel is connected to second outlet channel.
Further, the two sides up and down of the open thermal trough are respectively arranged with first seal.
Further, the junction of first intake channel and the second intake channel is additionally provided with second seal.
Further, the junction in the first outlet channel and second outlet channel is additionally provided with third sealing element.
Further, fixation is bolted in the punch support main body and heat-conducting block.
Further, the forming punching head, heat-conducting block, punch support main body are respectively revolving body.
Further, the center of the forming punching head is also provided with stretchable holes, and the stretchable holes run through the heat-conducting block
With punch support main body.
Utility model has the advantages that one kind is convenient for manufacture and the better drawing die of heat-conducting effect, use are split type
Forming punching head, heat-conducting block, punch support main body facilitate maintenance, reduce maintenance cost, open thermal trough be arranged and is led described
The lateral wall of heat block facilitates processing and manufacturing, is convenient for industrial mass manufacture.Open thermal trough uses the disconnected design of head and the tail simultaneously,
So that heat-conducting medium is one-way flow inside it when use, it is ensured that thermally conductive medium does not stop in a mold, guarantees thermally conductive medium
Energy is taken away to greatest extent.It is sealed isolation in each connecting portion setting sealing element, effectively prevents heat-conducting medium
Infiltrate the product that pollution stretches.
[Detailed description of the invention]
The utility model is further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is circulation path schematic diagram of the cooling water in water inlet road, revolution water route, water outlet path in background technique.
Fig. 2 is the top view of drawing die described in the utility model.
Fig. 3 is the A-A cross-sectional view in Fig. 2.
Fig. 4 is the B-B cross-sectional view in Fig. 2.
Fig. 5 is distribution channel diameter schematic diagram of the heat-conducting medium inside drawing die described in the utility model.
In figure: 1, intake road, 2, revolution water route, 3, water outlet path, 4, forming punching head, 5, heat-conducting block, and the 51, first import is logical
Road, 52, first outlet channel, 53, open thermal trough, 6, punch support main body, the 61, second intake channel, 62, second outlet it is logical
Road, 63, open holding tank, 64, installation precise positioning side, 7, bolt, 8, first seal, 9, second seal, 10, stretching
Hole, 20, punch support main body mounting hole, 30, passage of heat divider wall, 40, one-way flow channel.
[specific embodiment]
Please refer to shown in Fig. 1 to 5, one kind convenient for manufacture and the better drawing die of heat-conducting effect, including it is split type at
Type formed punch 4, heat-conducting block 5, punch support main body 6；The lateral wall of the heat-conducting block 5 offers the disconnected opening of entrance and exit
Thermal trough 53, one end of the heat-conducting block 5 offer the first intake channel 51 and first outlet channel 52 respectively, described first into
Mouth channel 51 is connected to the entrance of the open thermal trough 53, and the first outlet channel 52 is connected to going out for the open thermal trough 53
Mouthful；One end of the punch support main body 6 offers open holding tank 63, and the other end of the punch support main body 6 also opens up
There are the second intake channel 61 and second outlet channel 62；The forming punching head 4 is fixedly connected on the other end of the heat-conducting block 5,
In one end insertion open holding tank 63 of the heat-conducting block 5, and the inner sidewall of the open holding tank 63 is by the opening
Thermal trough 53 is closed, to form the one-way flow channel 40 of heat-conducting medium circulation, it is ensured that and thermally conductive medium does not stop in a mold,
Guarantee that thermally conductive medium takes away energy to greatest extent, while this embedded design method will not also destroy the stretching die
Outer surface, inner surface and the operative end surface of tool, to not influence its formed precision.First intake channel 51 and the second import
Channel 61 is connected to, and the first outlet channel 52 is connected to second outlet channel 62.
Why the utility model designs heat-conducting block 5 to connect forming punching head 4 and punch support main body 6, be because, if
Open thermal trough 53 is arranged in the lateral wall of forming punching head 4, heat-conducting block 5 can be omitted at this time, still, due to forming punching head 4
It is used as shaping work face, needs to guarantee precision, prevent product from a large amount of substandard products occur, therefore, forming punching head 4 generally cannot
There is groove, and forming punching head 4, in order to guarantee precision, the material generally used is that more preferable more expensive hardness is better, processing request
It is higher, and the material of punch support main body 6 and heat-conducting block 5 can use cheaper material, if directly by open thermal trough 53
It is arranged on the lateral wall of forming punching head 4, necessarily causes the axial dimension of forming punching head 4 to increase, consumptive material is more, it appears that is province
The material cost of heat-conducting block 5 has been omited, has actually increased the material cost of forming punching head 4 instead, totle drilling cost increases instead.Having
In one embodiment of body, heat-conducting block 5 can be DC53 material, and high rigidity, hardness and toughness are relatively good, suitable for ending wall thickness after slot
Than on relatively thin mold, the wolfram steel of forming punching head 4, punch support main body 6 is only fixed, installation is used, it is desirable that do not have to it is very high, can be with
With domestic Cr12MoV, price and performance have steps.
The two sides up and down of the opening thermal trough 53 are respectively arranged with first seal 8.First intake channel, 51 He
The junction of second intake channel 61 is additionally provided with second seal 9.The first outlet channel 52 and second outlet channel 62
Junction be additionally provided with third sealing element (not shown), the structure in the first outlet channel 52 and second outlet channel 62 and
First intake channel 51 and the second intake channel 61 are identical, so not repeating to provide without attached drawing.
The punch support main body 6 and heat-conducting block 5 are connected and fixed by bolt 7.
The forming punching head 4, heat-conducting block 5, punch support main body 6 are respectively revolving body.
The center of the forming punching head 4 is also provided with stretchable holes 10, and the stretchable holes 10 are through the heat-conducting block 5 and punching
Head supportive body 6, so that heat extraction can also be exhausted by stretchable holes 10, drawing described in the utility model at this time when molding
Mold is stretched to use as cavity plate.In another embodiment, it may not be necessary to the stretchable holes 10 are designed, in forming punching head 4
Outside convex block is arranged in the heart, and drawing die described in the utility model is used as punch-pin at this time.
Working principle: the second intake channel 61 of drawing die described in the utility model and second outlet channel 62 are led to
It crosses sealing element to be separately mounted on the export and import of constant temperature system, constant temperature system is existing equipment, for example, the type of constant temperature system
Number be MPG-50C, have the function of freeze and heat cycles, the heat-conducting medium of constant temperature system flowed into from the second intake channel 61,
Then it is flowed into open thermal trough 53, is passed through in the form of one-way in mould inside, with mold by the first intake channel 51
One is formed, and generates heat exchange, keeping the temperature of mold constant, (temperature range view is specific in some constant interval range
The condition of production is adjusted, and control is within the scope of 25 ± 10 DEG C in general production).Last heat-conducting medium is flowed into from first outlet channel 52
Second outlet channel 62 eventually passes back to be recycled in constant temperature system.In specifically used, spirit can be carried out according to demand
Living to use refrigeration or heating, for example, drawing process can generate a large amount of heat, the mold after heat expansion causes the gap of punch-die to become
Small, it is existing that drawing crack occurs in product；When temperature reaches a certain level can Tu layer to material telogenesis generate destruction, lead to product former material
Frictional force between material and mold increases, and product is by drawing crack, or corrugation, at this time using refrigeration cycle to drawing described in the utility model
Mold is stretched to cool down.Otherwise in winter, ambient temperature reach subzero or it is lower when, shut down a period of time open again
Since mold temperature is low when machine produces, mold materials are shunk, and the gap of mold convex-concave intermode increases, and will lead to product and drawing crack occur
Or therefore the unstable phenomenon such as corrugation can first pass through the heat cycles function of constant temperature system, to drawing described in the utility model
It stretches mold to be heated in advance, carries out drawing and forming work after so that its temperature is reached requirement again, and work in drawing and forming
When can generate a large amount of heat, constant temperature system is switched to refrigeration mode again at this time.
In order to guarantee that thermally conductive medium takes away energy to greatest extent, the passage of heat of the utility model is using unidirectional logical
Row, without disagreement mouth in mold work region, it is ensured that thermally conductive medium is not stopped in a mold so passage of heat isolation need to be designed
Wall 30 is that the entrance and exit of the open thermal trough 53 is not connected to, to guarantee the unidirectional fast speed flowing of fluid.Simultaneously because deep
Drawn products are not allow thermally conductive medium to infiltrate in food packaging, so the utility model is in each connection
Place is provided with first seal 8, second seal 9 or third sealing element (not shown), is sealed isolation.
It is usually cemented carbide material to improve the service life forming punch of mold, such as wolfram steel, this material hardness is very high,
But material is more crisp, and it is seamless right generally to be formed in the form of hot pressing or brazing when being not easy to be machined into conjunction with other materials
It connects.Heat-conducting block 5 will select good heat conductivity, and hardness is high, the material of good toughness；Punch support main body 6 is in order to which mold is safeguarded and is dismounted
It is convenient, the installation precise positioning side 64 of annular can be set in the end of punch support main body.
In a specific embodiment, the drawing die is two-piece can deep-drawing die, due to the amount of tension ratio to material
It is larger, friction is generated between material and mold and amount of heat is caused to generate, if this heat is not discharged timely and effectively, is stretched
The temperature of mold rises soon, the intrinsic performance of expanding with heat and contract with cold of mold materials, when temperature is raised shaping dies at morpheme
It sets size to deform, causes product unqualified, for example, the mold after heat expansion causes the gap of punch-die to become smaller, product occurs
Drawing crack is existing；When temperature reaches a certain level can Tu layer to material telogenesis generate destruction, cause between product raw material and mold
Frictional force increase, product is by drawing crack, or corrugation.Otherwise in winter, ambient temperature reach subzero or it is lower when, In
It shuts down and is switched on again since mold temperature is low when producing for a period of time, mold materials are shunk, and the gap of mold convex-concave intermode increases, meeting
Product is caused the unstable phenomenon such as drawing crack or corrugation occur.Therefore, drawing die described in the utility model uses heat-conducting medium
One-way flow channel improves a lot to product quality, while production efficiency and product qualification rate have after constant temperature system is added
Very big promotion, with traditional mould structure in order to which the heat speed of production for eliminating mold generation need to drop to most fast 40Pcs/Min,
And drawing die described in the utility model, speed of production can mention 120Pcs/Min.
In another embodiment, multiple tracks opening thermal trough 53 can also be set, be placed in inside shaping dies workspace and improve
The performance of heat exchange, while the stretch forming of mold work region is not influenced；Multiple tracks opening thermal trough 53 can be multilayer parallel and set
The lateral wall in heat-conducting block 5 is set, heat exchange effect is improved, takes full advantage of the space of mold；Thermally conductive medium inlet and outlet are adopted simultaneously
It is installed with sealing element form, it is good convenient for the folding and impermeable effect of mold.It is used between heat-conducting block 5 and punch support main body 6
Interference fit is pressed into and is connected and fixed by the bolt 7, improves the reliability of mold.
Advantage and effect: thermally conductive medium plays thermostatic effect to the temperature of the drawing die, reduces the deformation of mold,
The abrasion of mold is reduced, die life is improved；Using circulation type circuit, stability of flow, thermal conductivity effect is sustainable, efficiency
Height, effect stability, mold attaching/detaching is convenient, and production efficiency and product quality greatly improve.
Although those familiar with the art answers the foregoing describe specific embodiment of the present utility model
Working as understanding, we are merely exemplary described specific embodiment, rather than for the limit to the scope of the utility model
Fixed, those skilled in the art modification and variation equivalent made by the spirit according to the utility model all should
Cover in the scope of the claimed protection of the utility model.
Claims (7)
1. one kind is convenient for manufacture and the better drawing die of heat-conducting effect, it is characterised in that: including split type forming punching head, lead
Heat block, punch support main body；The lateral wall of the heat-conducting block offers the disconnected open thermal trough of entrance and exit, described to lead
One end of heat block offers the first intake channel and first outlet channel respectively, and first intake channel is connected to the opening and leads
The entrance of heat channel, the first outlet channel are connected to the outlet of the open thermal trough；It opens one end of the punch support main body
Equipped with open holding tank, the other end of the punch support main body is also provided with the second intake channel and second outlet channel；Institute
The other end that forming punching head is fixedly connected on the heat-conducting block is stated, one end of the heat-conducting block is embedded in the open holding tank,
And the inner sidewall of the open holding tank closes the open thermal trough, first intake channel and the second intake channel connect
Logical, the first outlet channel is connected to second outlet channel.
2. as described in claim 1 a kind of convenient for manufacture and the better drawing die of heat-conducting effect, it is characterised in that: described spacious
The two sides up and down of mouth thermal trough are respectively arranged with first seal.
3. as described in claim 1 a kind of convenient for manufacture and the better drawing die of heat-conducting effect, it is characterised in that: described the
The junction of one intake channel and the second intake channel is additionally provided with second seal.
4. as described in claim 1 a kind of convenient for manufacture and the better drawing die of heat-conducting effect, it is characterised in that: described the
The junction in one exit passageway and second outlet channel is additionally provided with third sealing element.
5. as described in claim 1 a kind of convenient for manufacture and the better drawing die of heat-conducting effect, it is characterised in that: the punching
Fixation is bolted in head supportive body and heat-conducting block.
6. as described in claim 1 a kind of convenient for manufacture and the better drawing die of heat-conducting effect, it is characterised in that: it is described at
Type formed punch, heat-conducting block, punch support main body are respectively revolving body.
7. as described in claim 1 a kind of convenient for manufacture and the better drawing die of heat-conducting effect, it is characterised in that: it is described at
The center of type formed punch is also provided with stretchable holes, and the stretchable holes run through the heat-conducting block and punch support main body.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920268442.2U CN209716223U (en) | 2019-03-04 | 2019-03-04 | One kind is convenient for manufacture and the better drawing die of heat-conducting effect |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920268442.2U CN209716223U (en) | 2019-03-04 | 2019-03-04 | One kind is convenient for manufacture and the better drawing die of heat-conducting effect |
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| CN209716223U true CN209716223U (en) | 2019-12-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109746323A (en) * | 2019-03-04 | 2019-05-14 | 福建省欧麦鑫自动化科技有限公司 | One kind is convenient for manufacture and the better drawing die of heat-conducting effect |
-
2019
- 2019-03-04 CN CN201920268442.2U patent/CN209716223U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109746323A (en) * | 2019-03-04 | 2019-05-14 | 福建省欧麦鑫自动化科技有限公司 | One kind is convenient for manufacture and the better drawing die of heat-conducting effect |
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