CN205200362U - Rivet welding head of die and lower die on going up die, lower die and having this - Google Patents

Rivet welding head of die and lower die on going up die, lower die and having this Download PDF

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Publication number
CN205200362U
CN205200362U CN201521089986.0U CN201521089986U CN205200362U CN 205200362 U CN205200362 U CN 205200362U CN 201521089986 U CN201521089986 U CN 201521089986U CN 205200362 U CN205200362 U CN 205200362U
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China
Prior art keywords
die
projection
live splint
rivet welding
splint lobe
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CN201521089986.0U
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Chinese (zh)
Inventor
马栋辉
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马栋辉
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Priority to CN201521089986.0U priority Critical patent/CN205200362U/en
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Publication of CN205200362U publication Critical patent/CN205200362U/en

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Abstract

The utility model provides a go up the die, includes die body and last projection, it has the blank pressing sleeve to go up this external slide kit of die, is equipped with canceling release mechanical system between blank pressing sleeve and the last die body, goes up the projection and can stretch out from the telescopic lower extreme of blank pressing. A lower die, is including lower die body and projection down, and the outer equipartition of lower projection has the activity of the outside distending of a plurality of abilities to press from both sides the lamella, and the activity is pressed from both sides the lamella and is equipped with messenger's activity outward and presss from both sides the piece that restores to the throne that restores to the throne behind the lamella distending, and the activity is pressed from both sides the outer still cover of lamella and is equipped with the spacing sleeve who links to each other with die body down, encloses into flutedly between the inner wall that the upper portion of lamella was pressed from both sides in the activity and the up end of lower projection. A groove phase cooperation that the rivet welding head comprises with die down the foretell die of going up, go up last projection and the lower die on the die on. Beneficial effect lies in: 1, go up the blank pressing sleeve on the die, can prevent that the panel beating plate from removing, guarantees the rivet welding quality. 2, recess on the die comprises activity clamp lamella and lower projection down, and not only the drawing of patterns is easy, convenient operation, and long service life is with low costs moreover.

Description

A kind of upper die, lower die and there is the rivet welding head of die and lower die on this

Technical field

The utility model relates to a kind of upper die, lower die and has the rivet welding head of die and lower die on this.

Background technology

In prior art, two blocks of panel beating plates are linked together and can be connected by a kind of rivet welding connected mode without rivet, the connection of this rivet welding is realized by rivet welding head, rivet welding head is made up of upper die and lower die, upper die is generally mounted on the patrix of stamping machine, lower die is generally mounted on the counterdie of stamping machine, and the lower end of upper die is convexly equipped with drift, and the upper end of lower die is arranged with the groove matched with drift.In use, be placed between upper die and lower die by needing the two blocks of panel beating plates carrying out connecting, stamping machine is utilized to drive the upper upper and lower reciprocating motion of die, realize being separated and laminating of drift and groove, drift and groove fit thus carry out cold extrusion to panel beating plate, by the plastic deformation of panel beating plate own material, thus on two blocks of panel beating plates, form connection round dot, and then realize the rivet welding of two blocks of panel beating plates.Adopt this rivet welding head to enter shape rivet welding to connect, without the need to rivet, have that technique is simple, easy to operate, high, the low cost and other advantages of riveted joint efficiency, but the shortcoming that this rivet welding head also exists is: 1, cause because the thickness of the panel beating plate of same batch is not of uniform size, when adopting same drift and groove to carry out rivet welding, if the thickness of panel beating plate is too large, be easy to the sidewall of crowded bad groove, thus damage whole rivet welding head, service life is short.In addition, when designing the fit dimension of drift and groove, it is very accurate to need, otherwise can cause the problem of the not easily demoulding.2, because not carrying out the pre-structure clamped to panel beating plate between upper die and lower die, general employing manually compresses two blocks of panel beating plates, not only compare effort, and because of the impulse force of drift larger, two blocks of panel beating plates are easy to relative movement, rivet welding position offsets, thus affects the quality of product.

Summary of the invention

Above-mentioned deficiency is there is in order to overcome in prior art, the utility model provides a kind of simple and compact for structure, easy to operate rivet welding head, the upper die of this rivet welding head is arranged movable flanging sleeve, can prevent panel beating plate from moving when rivet welding, ensure rivet welding quality, the lower die of this rivet welding head arranges live splint lobe, during rivet welding, live splint lobe can distending, thus makes the size of groove variable, the easy demoulding, long service life.

The technical scheme in the invention for solving the technical problem is: the utility model provides a kind of upper die, comprise the upper projection on the lower end of die body and projection die body on this, described this external slip cap of upper die is equipped with flanging sleeve, be provided with resetting-mechanism between this flanging sleeve and described upper die body, described upper projection can stretch out from the lower end of described flanging sleeve.

Further, described resetting-mechanism is die springs, on described flanging sleeve, convex is provided with lower spring cup, on described upper die body, convex is provided with the upper spring seat of the top being positioned at described lower spring cup, described die springs is sleeved on described upper die, and this is external and be supported between described upper spring seat and lower spring cup, be set with the fixed muffle be fixed on described upper die body outside described die springs, the retainer ring being formed with the below being supported on described lower spring cup is inwardly shunk in the lower end of this fixed muffle.

Further, the outer wall of described upper spring seat is provided with a circle holddown groove, and the sidewall of described fixed muffle is radially evenly equipped with multiple screwed hole, and in this screwed hole, spiral shell is provided with screw, and the inner end of this screw is placed in described holddown groove.

Further, the lower end of described upper die body is provided with up big and down small guiding male cone (strobilus masculinus), is provided with the guiding inner conical surface matched with described guiding male cone (strobilus masculinus) in the lower end of described flanging sleeve.

The utility model also provides a kind of lower die, comprise lower die body and the lower projection of projection on the upper end of this lower die body, the live splint lobe of the outside distending of multiple energy is evenly equipped with outside this lower projection, the return unit resetted after making this live splint lobe distending is provided with outside this live splint lobe, this live splint lobe is also set with the spacing collar be connected with described lower die body outward, the upper end of this live splint lobe higher than the upper end of described lower projection, and is surrounded by groove between the upper surface of the inwall on the top of this live splint lobe and described lower projection.

Further, the outer wall of multiple described live splint lobe offers a circle stopper slot, the inwall of described spacing collar is convexly equipped with one and is placed in spacing ring in described stopper slot.

Further, described return unit is rubber ring, and this rubber ring sleeve is located in described stopper slot.

Further, the bottom of described spacing collar is threaded connection on described lower die body, the top of described spacing collar is upwards extended with the support ring of the top being positioned at described spacing ring, can be against on the inwall of described support ring after the outside distending in top of described live splint lobe.

The utility model also provides a kind of rivet welding head, comprises die and lower die, and described upper die is above-mentioned upper die, and described lower die is above-mentioned lower die, the fit depressions on the upper projection on described upper die and described lower die.

Further, the upper end of described upper die body is convex is provided with connecting portion, and the lower end of described lower die body is convexly equipped with lower connecting portion downwards, the outer wall of described upper connecting portion and lower connecting portion is equipped with a circle link slot.

The utility model in use, upper die and lower die with the use of, the groove match of the upper projection on upper die and lower die, upper die is generally mounted on the patrix of pressing equipment, lower die is generally mounted on the counterdie of pressing equipment, be placed between upper die and lower die by needing the two blocks of panel beating plates carrying out connecting, pressing equipment is utilized to drive on upper die, lower reciprocating motion, in realization, projection and groove is separated and laminating, upper projection and groove fit thus carry out cold extrusion to panel beating plate, by the plastic deformation of panel beating plate own material, thus on two blocks of panel beating plates, form connection round dot, and then realize the rivet welding of two blocks of panel beating plates.Because lower projection forms the diapire of groove, and live splint lobe forms the sidewall of groove, in Cold Extrusion Process, lower projection stops connection round dot to be out of shape downwards, connects round dot and can only radially be out of shape, because live splint lobe is movable, thus live splint lobe can expand outwardly under the extruding connecting round dot distortion, even if the partially thick sidewall that also can not squeeze bad groove of the thickness of panel beating plate like this, in guarantee, die can not be damaged, extends the service life of rivet welding head.In addition, because live splint lobe is movable, thus make the size of groove be variable, thus the demoulding is easy, and lower to the required precision of upper die and lower die, greatly reduce the cost of rivet welding head.At this external flanging sleeve that is slidably installed of upper die, when upper die moves down, flanging sleeve first contacts with panel beating plate and compresses panel beating plate, then the upper projection gone up on die could carry out cold extrusion to panel beating plate, effectively can prevent panel beating plate from moving when rivet welding like this, ensure rivet welding quality.

The beneficial effects of the utility model are: 1, upper die is arranged movable flanging sleeve, can prevent panel beating plate from moving when rivet welding, ensure rivet welding quality.2, the groove on lower die is made up of live splint lobe and lower projection, makes the size of groove be variable, and not only the demoulding is easy, easy to operate, and also can not squeeze bad groove, long service life because of the variable thickness of panel beating plate, and cost is low.

Accompanying drawing explanation

Fig. 1 is the sectional view of upper die of the present utility model.

Fig. 2 is the sectional view of lower die of the present utility model.

Fig. 3 is the using state figure of rivet welding head of the present utility model.

Detailed description of the invention

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.

With reference to Fig. 1, die in one, comprise the upper projection 11 on the lower end of die body 10 and projection die body on this, described this external slip cap of upper die is equipped with flanging sleeve 12, resetting-mechanism 13 is provided with between this flanging sleeve and described upper die body, resetting-mechanism is when flanging sleeve contacts with panel beating plate, resetting-mechanism helps flanging sleeve to compress panel beating plate, and after completing rivet welding, resetting-mechanism orders about flanging sleeve and resets, and described upper projection 11 can stretch out from the lower end of described flanging sleeve 12.

Described resetting-mechanism 13 is die springs, the rigidity of die springs is large, enough pressure is provided when flanging sleeve compresses panel beating plate, on described flanging sleeve 12, convex is provided with lower spring cup 14, on described upper die body 10, convex is provided with the upper spring seat 15 of the top being positioned at described lower spring cup, described die springs is sleeved on described upper die, and this is external and be supported between described upper spring seat and lower spring cup, the fixed muffle 16 be fixed on described upper die body 10 is set with outside described die springs, the retainer ring 17 being formed with the below being supported on described lower spring cup is inwardly shunk in the lower end of this fixed muffle, fixed muffle 16 pairs of die springs shield, the stroke that moves down of the retainer ring 17 pairs of flanging sleeves 12 on fixed muffle limits.

The outer wall of described upper spring seat 15 is provided with a circle holddown groove 18, the sidewall of described fixed muffle 17 is radially evenly equipped with multiple screwed hole, in this screwed hole, spiral shell is provided with screw 19, the inner end of this screw is placed in described holddown groove 18, the outer end of screw is placed in the screwed hole of fixed muffle, inner end is placed in the holddown groove of the upper spring seat of die body, thus realizes fixing between fixed muffle 17 and upper die body 10.

The lower end of described upper die body 10 is provided with up big and down small guiding male cone (strobilus masculinus) 20, the guiding inner conical surface 21 matched with described guiding male cone (strobilus masculinus) is provided with in the lower end of described flanging sleeve 12, when upper projection 11 stretches out flanging sleeve 12, guiding male cone (strobilus masculinus) 20 matches with guiding inner conical surface 21, prevent projection from offseting relative to flanging sleeve, ensure that rivet welding is stablized.

With reference to Fig. 2, a kind of lower die, comprise lower die body 1, and the lower projection 2 of projection on the upper end of this lower die body, this lower projection is positioned at immediately below described upper projection 11, the live splint lobe 3 of the outside distending of multiple energy is evenly equipped with outside this lower projection 2, the return unit 4 resetted after making this live splint lobe distending is provided with outside this live splint lobe, this live splint lobe is also set with the spacing collar 5 be connected with described lower die body outward, the upper end of this live splint lobe is higher than the upper end of described lower projection, and between the inwall on the top of this live splint lobe 3 and the upper surface of described lower projection 2, be surrounded by the groove 6 matched with described upper projection 11.

The outer wall of multiple described live splint lobe 3 offers a circle stopper slot 7, the inwall of described spacing collar 5 is convexly equipped with one and is placed in spacing ring 8 in described stopper slot.Spacing ring 8 coordinates with stopper slot 7, thus realizes the installation of live splint lobe 3, also can play the restriction to live splint lobe distending or reset mode.

Described return unit 4 is rubber ring, and this rubber ring sleeve is located in described stopper slot 7, and because rubber ring has certain elasticity, be convenient to live splint lobe 3 distending and reset, structure is simple.

The bottom of described spacing collar 5 is threaded connection on described lower die body 1, easy for installation, painting one deck glue can also be added when spacing collar is screwed in after on upper die body, reinforce fixing between spacing collar and upper die body, the top of described spacing collar 5 is upwards extended with the support ring 9 of the top being positioned at described spacing ring, can be against after the outside distending in top of described live splint lobe 3 on the inwall of described support ring 9, support ring 9 plays limited support effect, prevents live splint lobe 3 excessively distending.

With reference to Fig. 3, a kind of rivet welding head, comprises die and lower die, and described upper die is above-mentioned upper die, and described lower die is above-mentioned lower die, and the upper projection 11 on described upper die matches with the groove 6 on described lower die.

The upper end of described upper die body 10 is convex is provided with connecting portion 22; the lower end of described lower die body 1 is convexly equipped with lower connecting portion 23 downwards; the outer wall of described upper connecting portion and lower connecting portion is equipped with a circle link slot 24, link slot is used for being connected with patrix or counterdie.

The utility model in use, upper die and lower die with the use of, upper projection 11 on upper die matches with the groove 6 of lower die, upper die is generally mounted on the patrix of pressing equipment, lower die is generally mounted on the counterdie of pressing equipment, be placed between upper die and lower die by needing the two blocks of panel beating plates 25 carrying out connecting, pressing equipment is utilized to drive on upper die, lower reciprocating motion, in realization, projection 11 and groove 6 is separated and laminating, upper projection and groove fit thus carry out cold extrusion to panel beating plate, by the plastic deformation of panel beating plate own material, thus on two blocks of panel beating plates, form connection round dot, and then realize the rivet welding of two blocks of panel beating plates.Because lower projection 2 forms the diapire of groove 6, and live splint lobe 3 forms the sidewall of groove 6, in Cold Extrusion Process, lower projection 2 stops connection round dot to be out of shape downwards, connects round dot and can only radially be out of shape, because live splint lobe 3 is movable, thus live splint lobe 3 can expand outwardly under the extruding connecting round dot distortion, even if the partially thick sidewall that also can not squeeze bad groove 6 of the thickness of panel beating plate like this, in guarantee, die can not be damaged, extends the service life of rivet welding head.In addition, because live splint lobe 3 is movable, thus make the size of groove 6 be variable, thus the demoulding is easy, and lower to the required precision of upper die and lower die, greatly reduce the cost of rivet welding head.Be slidably installed a flanging sleeve 12 outside upper die body 10, when upper die moves down, flanging sleeve 12 first contacts with panel beating plate 25 and compresses panel beating plate, then the upper projection 11 gone up on die could carry out cold extrusion to panel beating plate, effectively can prevent panel beating plate 25 from moving when rivet welding like this, ensure rivet welding quality.

Claims (10)

1. a upper die, it is characterized in that: comprise the upper projection on the lower end of die body and projection die body on this, described this external slip cap of upper die is equipped with flanging sleeve, be provided with resetting-mechanism between this flanging sleeve and described upper die body, described upper projection can stretch out from the lower end of described flanging sleeve.
2. according to upper die according to claim 1, it is characterized in that: described resetting-mechanism is die springs, on described flanging sleeve, convex is provided with lower spring cup, on described upper die body, convex is provided with the upper spring seat of the top being positioned at described lower spring cup, described die springs is sleeved on described upper die, and this is external and be supported between described upper spring seat and lower spring cup, be set with the fixed muffle be fixed on described upper die body outside described die springs, the retainer ring being formed with the below being supported on described lower spring cup is inwardly shunk in the lower end of this fixed muffle.
3. according to upper die according to claim 2, it is characterized in that: the outer wall of described upper spring seat is provided with a circle holddown groove, the sidewall of described fixed muffle is radially evenly equipped with multiple screwed hole, and in this screwed hole, spiral shell is provided with screw, and the inner end of this screw is placed in described holddown groove.
4. according to the upper die one of claim 1 ~ 3 Suo Shu, it is characterized in that: the lower end of described upper die body is provided with up big and down small guiding male cone (strobilus masculinus), in the lower end of described flanging sleeve, be provided with the guiding inner conical surface matched with described guiding male cone (strobilus masculinus).
5. a lower die, it is characterized in that: comprise lower die body and the lower projection of projection on the upper end of this lower die body, the live splint lobe of the outside distending of multiple energy is evenly equipped with outside this lower projection, the return unit resetted after making this live splint lobe distending is provided with outside this live splint lobe, this live splint lobe is also set with the spacing collar be connected with described lower die body outward, the upper end of this live splint lobe higher than the upper end of described lower projection, and is surrounded by groove between the upper surface of the inwall on the top of this live splint lobe and described lower projection.
6. according to lower die according to claim 5, it is characterized in that: the outer wall of multiple described live splint lobe offers a circle stopper slot, the inwall of described spacing collar is convexly equipped with one and is placed in spacing ring in described stopper slot.
7. according to lower die according to claim 6, it is characterized in that: described return unit is rubber ring, and this rubber ring sleeve is located in described stopper slot.
8. according to the lower die one of claim 5 ~ 7 Suo Shu, it is characterized in that: the bottom of described spacing collar is threaded connection on described lower die body, the top of described spacing collar is upwards extended with the support ring of the top being positioned at described spacing ring, can be against on the inwall of described support ring after the outside distending in top of described live splint lobe.
9. a rivet welding head, comprise die and lower die, it is characterized in that: the upper die of described upper die according to any one of claim 1 ~ 4, the lower die of described lower die according to any one of claim 5 ~ 8, the fit depressions on the upper projection on described upper die and described lower die.
10. according to rivet welding head according to claim 9, it is characterized in that: the upper end of described upper die body is convex is provided with connecting portion, the lower end of described lower die body is convexly equipped with lower connecting portion downwards, the outer wall of described upper connecting portion and lower connecting portion is equipped with a circle link slot.
CN201521089986.0U 2015-12-24 2015-12-24 Rivet welding head of die and lower die on going up die, lower die and having this CN205200362U (en)

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CN201521089986.0U CN205200362U (en) 2015-12-24 2015-12-24 Rivet welding head of die and lower die on going up die, lower die and having this

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Application Number Priority Date Filing Date Title
CN201521089986.0U CN205200362U (en) 2015-12-24 2015-12-24 Rivet welding head of die and lower die on going up die, lower die and having this

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CN205200362U true CN205200362U (en) 2016-05-04

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106270348A (en) * 2016-09-18 2017-01-04 中国农业大学 A kind of battery riveting set with heating function and clinching method thereof
CN106955934A (en) * 2017-05-24 2017-07-18 海口全盛汽车配件有限公司 A kind of quick riveting die of Teflon bushing
CN107199285A (en) * 2017-07-14 2017-09-26 太仓优捷特机械有限公司 A kind of upper mould lower die structure without rivet interlacement
CN108273924A (en) * 2018-01-22 2018-07-13 西安石油大学 The two-sided flat no riveting joint forming technique of lightweight plank

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106270348A (en) * 2016-09-18 2017-01-04 中国农业大学 A kind of battery riveting set with heating function and clinching method thereof
CN106270348B (en) * 2016-09-18 2018-04-20 中国农业大学 A kind of battery riveting set and its clinching method with heating function
CN106955934A (en) * 2017-05-24 2017-07-18 海口全盛汽车配件有限公司 A kind of quick riveting die of Teflon bushing
CN107199285A (en) * 2017-07-14 2017-09-26 太仓优捷特机械有限公司 A kind of upper mould lower die structure without rivet interlacement
CN108273924A (en) * 2018-01-22 2018-07-13 西安石油大学 The two-sided flat no riveting joint forming technique of lightweight plank

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