CN210586676U - Riveting turn-ups stamping mechanism - Google Patents
Riveting turn-ups stamping mechanism Download PDFInfo
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- CN210586676U CN210586676U CN201920983989.0U CN201920983989U CN210586676U CN 210586676 U CN210586676 U CN 210586676U CN 201920983989 U CN201920983989 U CN 201920983989U CN 210586676 U CN210586676 U CN 210586676U
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- shaping
- riveting
- demolding
- punch
- component
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- 230000007246 mechanism Effects 0.000 title claims abstract description 22
- 238000007493 shaping process Methods 0.000 claims abstract description 93
- 238000010409 ironing Methods 0.000 claims abstract description 15
- 238000004080 punching Methods 0.000 claims abstract description 11
- 238000000926 separation method Methods 0.000 claims abstract description 11
- 238000003825 pressing Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000008439 repair process Effects 0.000 abstract description 5
- 230000002950 deficient Effects 0.000 description 5
- 235000000396 iron Nutrition 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 241000587161 Gomphocarpus Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
A riveting turn-ups punching press mechanism includes: the riveting component comprises a separating component, a shaping component and a stretching component, and the poor riveting component sequentially passes through the separating component, the shaping component and the stretching component. The separable set includes brace table and drawing of patterns drift, the clearance groove has been seted up to the brace table, the brace table is used for placing bad riveting piece, and the turn-ups boss of bad riveting piece is located the clearance inslot, the drawing of patterns drift sets up directly over the clearance groove, the plastic subassembly includes plastic die and plastic drift, the plastic groove has been seted up to the plastic die, the plastic groove is used for holding turn-ups boss, the plastic drift sets up directly over the plastic die, tensile subassembly includes the loading board, ironing thin drift and guide plug, the loading board is used for placing bad riveting piece, the guide plug inlays and arranges in the loading board, the guiding hole has been seted up to the guide plug, carry out the separation operation to the bad riveting piece that needs to carry out reworking, and repair the riveting position on the work piece, make it rivet once more, reduce the loss.
Description
Technical Field
The utility model relates to a machine tooling field especially relates to a riveting turn-ups punching press mechanism.
Background
The riveting is a common connection mode for plate assembly, the riveting is realized by changing the deformation of the rivet into a nail head so as to realize the connection among a plurality of parts, and the deformation of the rivet is plastic deformation and cannot be recovered due to the elasticity of the rivet.
Referring to fig. 1, a bad rivet joint 20 includes a first plate 21 and a second plate 22, for facilitating assembly, a rivet hole 21a is formed on the first plate 21, a flanging boss 22a, i.e. a rivet, is formed on the second plate 22, the flanging boss 22a of the latter is inserted into the riveting hole 21a of the former, and then the flanging boss 22a is pressed to drive the hole wall at the end of the flanging boss 22a to evert to form a rivet head, thereby fixing the former on the latter, and completing the assembly of the two.
However, in the above riveting operation, a phenomenon of poor assembly of similar products, that is, a defective product is generated due to assembly of a component which is picked up incorrectly on a target workpiece, may occur due to manual operation or mechanical misjudgment, and in order to reduce loss, it is generally necessary to cut off the end of the flanging boss 22a to separate two plates, and after cutting off the end of the flanging boss 22a, the plate having the flanging boss 22a may be lost due to cutting off the end of the flanging boss 22a to cause structural loss and cannot be reused, and how to rework the defective product generated by the riveting error to reduce loss may be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the weak point among the prior art, providing a riveting turn-ups punching press mechanism, separating the riveting defective products that need carry out reworking to repair the riveting position on the work piece, make it rivet once more, reduce the loss that causes when riveting processing is lost.
The purpose of the utility model is realized through the following technical scheme:
a riveting turn-ups punching press mechanism includes: the riveting component comprises a separating component, a shaping component and a stretching component, wherein a bad riveting component sequentially passes through the separating component, the shaping component and the stretching component;
the separation assembly comprises a supporting table and a demolding punch, the supporting table is provided with a clearance groove, the supporting table is used for placing a bad riveting piece, a flanging boss of the bad riveting piece is located in the clearance groove, the demolding punch is arranged right above the clearance groove, and the demolding punch is used for punching the inner wall of the flanging boss;
the shaping component comprises a shaping female die and a shaping punch, wherein the shaping female die is provided with a shaping groove, the shaping groove is used for accommodating a flanging boss, the shaping punch is arranged right above the shaping female die, and the shaping punch is arranged towards the shaping groove;
the stretching assembly comprises a bearing plate, a ironing punch and a guide plug, the bearing plate is used for placing bad riveting pieces, the guide plug is embedded in the bearing plate, a guide hole is formed in the guide plug, a flanging boss faces the guide hole, the ironing punch is arranged right above the guide plug, and the ironing punch is used for penetrating through the guide hole.
In one embodiment, the demolding punch is provided with a demolding column and a demolding conical head, the demolding conical head is arranged at one end, close to the supporting table, of the demolding column, the demolding conical head is arranged towards the clearance groove, a pressing portion is arranged at the connecting position of the demolding column and the demolding conical head, and the pressing portion is used for extruding the inner wall of the flanging boss.
In one embodiment, the diameter of the stripping column is larger than the inner diameter of the flanging boss.
In one embodiment, the diameter of the demoulding column is 19.0 mm-19.5 mm.
In one embodiment, the shaping female die is provided with a shaping auxiliary shaft at the top end, and the shaping auxiliary shaft is positioned in the shaping groove.
In one embodiment, the distance between the outer wall of the shaping auxiliary shaft and the inner wall of the shaping groove is 2.0 mm-2.5 mm.
In one embodiment, the shaping groove is provided with an arc-shaped guide portion, and the arc-shaped guide portion is positioned on a side wall of the shaping groove far away from the shaping auxiliary shaft.
In one embodiment, the shaping punch is provided with a holding portion which is arranged towards the shaping groove.
In one embodiment, the ironing punch has a diameter smaller than the diameter of the pilot hole.
In one of the embodiments, the plug is provided with a guide.
Above-mentioned riveting turn-ups punching press mechanism is through setting up separable set spare, plastic subassembly and tensile component, and separation subassembly, plastic subassembly and tensile component are passed through to bad riveting piece order, carry out the separation operation to the bad riveting piece that needs carry out the rework to repair the riveting position on the work piece, make it rivet once more, reduce the loss that causes when riveting processing is lost.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of a defective rivet;
fig. 2 is a schematic structural view of the riveting flanging stamping mechanism in an embodiment of the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In one embodiment, a riveting turn-ups press machine constructs includes: the riveting component comprises a separating component, a shaping component and a stretching component, wherein a bad riveting component sequentially passes through the separating component, the shaping component and the stretching component; the separation assembly comprises a supporting table and a demolding punch, the supporting table is provided with a clearance groove, the supporting table is used for placing a bad riveting piece, a flanging boss of the bad riveting piece is located in the clearance groove, the demolding punch is arranged right above the clearance groove, and the demolding punch is used for punching the inner wall of the flanging boss; the shaping component comprises a shaping female die and a shaping punch, the shaping female die is provided with a shaping groove, the shaping groove is used for accommodating a flanging boss, the shaping punch is arranged right above the shaping female die, and the shaping punch is arranged towards the shaping groove; tensile subassembly includes the loading board, irones thin drift and draws the stopper, and the loading board is used for placing bad riveting spare, draws the stopper to inlay in the loading board, draws the stopper to have seted up the guiding hole, and the turn-ups boss sets up towards the guiding hole, irones thin drift and sets up directly over leading the stopper, irones thin drift and is used for wearing to establish the guiding hole.
In order to better explain the riveting flanging stamping mechanism, the conception of the riveting flanging stamping mechanism is better understood. Referring to fig. 2, a riveting flanging stamping mechanism 10 includes: the riveting device comprises a separating assembly 100, a shaping assembly 200 and a stretching assembly 300, wherein a bad riveting piece sequentially passes through the separating assembly 100, the shaping assembly 200 and the stretching assembly 300; the separating assembly 100 separates the first plate 21 and the second plate 22 of the defective riveting member 20 which needs to be reworked, and the flanging bosses 22a on the second plate 22 are repaired by the shaping assembly 200 and the stretching assembly 300, so that the second plate 22 can be riveted again, and the loss caused by the failure of riveting processing is reduced.
Referring to fig. 2, the separating assembly 100 includes a supporting base 110 and a demolding punch 120, the supporting base 110 is provided with an empty-avoiding groove 111, the supporting base 110 is used for placing the bad riveting member 20, a flanging boss 22a on a second plate 22 of the bad riveting member 20 is located in the empty-avoiding groove 111, the demolding punch 120 is disposed right above the empty-avoiding groove 111, and the demolding punch 120 is used for punching an inner wall of the flanging boss 22a, specifically, at this time, a first plate 21 is located right above the second plate 22, the first plate 21 is disposed toward the demolding punch 120, and the flanging boss 22a on the second plate 22 is located right below the demolding punch 120, so that the demolding punch 120 contacts the inner wall of the flanging boss 22a first and applies pressure to the inner wall of the flanging boss 22a to deform a portion where the flanging boss 22a contacts the demolding punch 120, and is pushed by the demolding punch 120 to move toward a body of the second plate 22, under the state, the flanging boss 22a is subjected to the pressure applied by the demolding punch 120 and far away from the first plate 21, the resistance for preventing the second plate 22 from leaving the first plate 21 is applied to the outer wall of the flanging boss 22a by the edge provided with the riveting hole 21a on the first plate 21, the direction of the resistance is opposite to the direction of the pressure, the flanging boss 22a deforms under the combined action of the resistance and the pressure, the deformation direction is close to the axial direction of the riveting hole 21a, namely, the edge of the flanging boss 22a shrinks inwards, the outer diameter of the flanging boss 22a continuously decreases until the outer diameter of the flanging boss is smaller than the diameter of the riveting hole 21a, and at the moment, the flanging boss 22a cannot continuously keep the first plate 21 and the second plate 22, namely, the first plate 21 is separated from the second plate 22.
Further, referring to fig. 2, in order to prevent the flanging boss 22a from directly falling off when the demolding punch 120 applies an excessive impact force to the flanging boss 22a during the demolding process, the demolding punch 120 is provided with a demolding column 121 and a demolding conical head 122, the demolding conical head 122 is disposed on one end of the demolding column 121 close to the supporting table 110, the demolding conical head 122 is disposed toward the clearance groove 111, a pressing portion 123 is disposed at a position where the demolding column 121 is connected to the demolding conical head 122, and the pressing portion 123 is used for pressing an inner wall of the flanging boss. The diameter of the section of the stripping cone head 122 increases from the end far away from the stripping column 121 to the end close to the stripping column 121, so as to form a buffer zone to avoid overlarge instantaneous impact force.
In an embodiment, referring to fig. 2, the diameter of the demolding column 121 is larger than the inner diameter of the flanging boss, and the diameter of the demolding column 121 is smaller than the diameter of the riveting hole 21a, specifically, the diameter of the demolding column 121 is 19.0mm to 19.5 mm. The diameter of the demoulding column 121 is within the critical value of the deformation of the flanging boss 22a, so that the flanging boss 22a is prevented from being torn off in the separation process, the integrity of the flanging boss 22a is ensured, and the normal operation of subsequent processing is ensured.
Referring to fig. 2, the shaping assembly 200 includes a shaping female die 210 and a shaping punch 220, the shaping female die 210 is provided with a shaping groove 211, the shaping groove 211 is used for accommodating the flanging boss 22a, the shaping punch 220 is disposed right above the shaping female die 210, and the shaping punch 220 is disposed toward the shaping groove 211; the second plate 22 after separation is placed on the shaping female die 210, and the flanging boss 22a on the second plate 22 is arranged towards the shaping female die 210, so that the flanging boss 22a is located in the shaping groove 211, after the separation operation of the separation assembly 100, the flanging boss 22a deforms and cannot be directly used for riveting, in order to repair the flanging boss 22a, the flanging boss 22a needs to be repaired into a shape before riveting, the shaping groove 211 is of an annular structure, so that when the shaping punch 220 presses down, extrusion force is applied to the second plate 22, the flanging boss 22a is extruded in a close direction, the flanging boss 22a is completely pressed into the shaping groove 211, the shaping groove 211 drives the edge of the flanging boss 22a to continuously contract inwards in the extrusion process, and the flanging boss 22a is pressed into a short and thick circular ring structure, so that the primary shaping operation is completed.
In an embodiment, referring to fig. 2, the shaping auxiliary shaft 212 is disposed at the top end of the shaping concave die 210, the shaping auxiliary shaft 212 is located in the shaping groove 211, a distance between an outer wall of the shaping auxiliary shaft 212 and an inner wall of the shaping groove 211 is 2.0mm to 2.5mm, the shaping groove 211 is provided with an arc-shaped guide portion 211a, and the arc-shaped guide portion 211a is located on a side wall of the shaping groove 211 away from the shaping auxiliary shaft 212. The shaping punch 220 is provided with an abutting portion 221, and the abutting portion 221 is provided toward the shaping groove 211.
Referring to fig. 2, the stretching assembly 300 includes a bearing plate 310, an ironing punch 320 and a guiding plug 330, the bearing plate 310 is used for placing a bad rivet, the guiding plug 330 is embedded in the bearing plate 310, the guiding plug 330 is provided with a guiding hole 331, the aperture of the guiding hole 331 is equal to the outer diameter of the flanging boss 22a before riveting, and the diameter of the ironing punch 320 is smaller than the diameter of the guiding hole 331.
Referring to fig. 2, the flanging boss is disposed toward the guide hole 331, the ironing punch 320 is disposed right above the guide plug 330, and the ironing punch 320 is used for penetrating the guide hole 331. The flanging boss 22a is in a short and thick ring shape after the primary shaping operation is completed, the flanging boss is required to be stretched, the length of the flanging boss is increased, the outer diameter of the flanging boss is reduced to be the diameter of the riveting hole 21a, the second plate 22 is placed on the bearing plate 310, the flanging boss 22a is arranged towards the guide hole 331, the ironing punch 320 presses downwards in the direction close to the guide plug 330 and penetrates through the guide hole 331, the ironing punch 320 is in contact with the inner wall of the flanging boss 22a and is matched with the hole wall of the guide hole 331 to thin the flanging boss 22a in the pressing process, the flanging boss 22a is elongated and thinned to form a riveting state again, and the repairing operation is completed.
Referring to fig. 2, in order to prevent the flange boss 22a from being torn due to stress concentration, the plug 330 is provided with a guide portion 332. The guide portion 332 provides a deformation space for the burring boss 22a to deform, preventing the burring boss 22a from being torn off.
Above-mentioned riveting turn-ups punching press mechanism is through setting up separable set 100, plastic subassembly 200 and tensile subassembly 300, and bad riveting piece passes through separable set 100, plastic subassembly 200 and tensile subassembly 300 in proper order, carries out the separation operation to the bad riveting piece that needs carry out the reworking to repair the riveting position on the work piece, make it rivet once more, reduce the loss that causes when riveting processing is lost.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides a riveting turn-ups punching press mechanism which characterized in that includes: the riveting component comprises a separating component, a shaping component and a stretching component, wherein a bad riveting component sequentially passes through the separating component, the shaping component and the stretching component;
the separation assembly comprises a supporting table and a demolding punch, the supporting table is provided with a clearance groove, the supporting table is used for placing a bad riveting piece, a flanging boss of the bad riveting piece is located in the clearance groove, the demolding punch is arranged right above the clearance groove, and the demolding punch is used for punching the inner wall of the flanging boss;
the shaping component comprises a shaping female die and a shaping punch, wherein the shaping female die is provided with a shaping groove, the shaping groove is used for accommodating a flanging boss, the shaping punch is arranged right above the shaping female die, and the shaping punch is arranged towards the shaping groove;
the stretching assembly comprises a bearing plate, a ironing punch and a guide plug, the bearing plate is used for placing bad riveting pieces, the guide plug is embedded in the bearing plate, a guide hole is formed in the guide plug, a flanging boss faces the guide hole, the ironing punch is arranged right above the guide plug, and the ironing punch is used for penetrating through the guide hole.
2. The riveting flanging stamping mechanism according to claim 1, wherein the demolding punch is provided with a demolding column and a demolding conical head, the demolding conical head is arranged at one end, close to the supporting table, of the demolding column, the demolding conical head is arranged towards the clearance groove, a pressing portion is arranged at a connecting position of the demolding column and the demolding conical head, and the pressing portion is used for extruding the inner wall of the flanging boss.
3. The riveting flanging stamping mechanism according to claim 2, wherein the diameter of the demolding column is larger than the inner diameter of the flanging boss.
4. The riveting flanging stamping mechanism according to claim 3, wherein the diameter of the demoulding column is 19.0 mm-19.5 mm.
5. The riveting flanging stamping mechanism according to claim 1, wherein a shaping auxiliary shaft is arranged at the top end of the shaping female die, and the shaping auxiliary shaft is located in the shaping groove.
6. The riveting flanging stamping mechanism according to claim 5, wherein the distance between the outer wall of the shaping auxiliary shaft and the inner wall of the shaping groove is 2.0-2.5 mm.
7. The riveting flanging stamping mechanism according to claim 5, wherein the shaping groove is provided with an arc-shaped guide portion, and the arc-shaped guide portion is located on a side wall of the shaping groove, which is far away from the shaping auxiliary shaft.
8. The riveting flanging stamping mechanism according to claim 1, wherein the shaping punch is provided with a butting portion, and the butting portion is arranged towards the shaping groove.
9. The riveting flanging stamping mechanism according to claim 1, wherein the ironing punch has a diameter smaller than that of the guide hole.
10. The riveting flanging stamping mechanism according to claim 1, wherein the guide plug is provided with a guide portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920983989.0U CN210586676U (en) | 2019-06-27 | 2019-06-27 | Riveting turn-ups stamping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920983989.0U CN210586676U (en) | 2019-06-27 | 2019-06-27 | Riveting turn-ups stamping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210586676U true CN210586676U (en) | 2020-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920983989.0U Expired - Fee Related CN210586676U (en) | 2019-06-27 | 2019-06-27 | Riveting turn-ups stamping mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN210586676U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113798324A (en) * | 2020-06-13 | 2021-12-17 | 上海梅山钢铁股份有限公司 | Strip steel riveting trolley |
-
2019
- 2019-06-27 CN CN201920983989.0U patent/CN210586676U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113798324A (en) * | 2020-06-13 | 2021-12-17 | 上海梅山钢铁股份有限公司 | Strip steel riveting trolley |
| CN113798324B (en) * | 2020-06-13 | 2024-06-04 | 上海梅山钢铁股份有限公司 | Strip steel riveting trolley |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200522 |